[go: up one dir, main page]

CN109525302A - A kind of satellite-based aerial-underwater communications system - Google Patents

A kind of satellite-based aerial-underwater communications system Download PDF

Info

Publication number
CN109525302A
CN109525302A CN201811317264.4A CN201811317264A CN109525302A CN 109525302 A CN109525302 A CN 109525302A CN 201811317264 A CN201811317264 A CN 201811317264A CN 109525302 A CN109525302 A CN 109525302A
Authority
CN
China
Prior art keywords
under water
aircraft
satellite
laser
communication link
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811317264.4A
Other languages
Chinese (zh)
Other versions
CN109525302B (en
Inventor
陈险峰
杨峰
任维佳
杜志贵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changsha Sky Space Science And Technology Research Institute Co Ltd
Changsha Tianyi Space Technology Research Institute Co Ltd
Original Assignee
Changsha Sky Space Science And Technology Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changsha Sky Space Science And Technology Research Institute Co Ltd filed Critical Changsha Sky Space Science And Technology Research Institute Co Ltd
Priority to CN201811317264.4A priority Critical patent/CN109525302B/en
Priority to CN202110226991.5A priority patent/CN112953620B/en
Priority to CN202110226417.XA priority patent/CN112865857B/en
Publication of CN109525302A publication Critical patent/CN109525302A/en
Application granted granted Critical
Publication of CN109525302B publication Critical patent/CN109525302B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18517—Transmission equipment in earth stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/118—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum specially adapted for satellite communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B13/00—Transmission systems characterised by the medium used for transmission, not provided for in groups H04B3/00 - H04B11/00
    • H04B13/02—Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0863—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving passwords or one-time passwords

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Optical Communication System (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention relates to a kind of satellite-based aerial-underwater communications systems, including several satellites, aircraft and the device that moves under water under water；Aircraft requests the first satellite that aircraft is assisted to communicate with device foundation of moving under water under water；First satellite moves under water device under water to request its feedback activity range until receive to carry the feedback information of its scope of activities within a preset time in response to what the laser-induced sound mode synchronous scanning of the laser mode and infrared band laser beam of the bluish-green wave band of laser beam of request of aircraft was located at uncertain region；Aircraft flies according to feedback information to after can directly establish the aerial region of laser communication link with the device that moves under water under water, aircraft is attempted and the device that moves under water under water in scope of activities establishes laser communication link, and the laser communication link by establishing between aircraft and the device that moves under water under water directly transmits data between aircraft and the underwater device that moves under water.The device that moves under water present invention greatly enhances aircraft and under water establishes the efficiency of laser communication link.

Description

A kind of satellite-based aerial-underwater communications system
Technical field
The present invention relates to the communications fields, more particularly to a kind of satellite-based aerial-underwater communications system.
Background technique
Currently, latent communication mainly uses the transmission mode of very low frequency or ultralow frequency, when establishing communication link, for very low Frequently, aircraft sends bulk information and periodically floats to specified collection of letters depth, submarine or this kind of device that moves under water under water of underwater detectoscope It collects mail to specified collection of letters depth, the device that makes to move under water under water is easy to be found, and it realizes that scale is big, poor anti jamming capability；For Ultralow frequency, data transmission bauds is extremely low, is 1bit/min, and aircraft can not send specified depth of the bulk information into pool Degree, and in order to improve real-time and concealment, communication link is just established by the way of laser scanning.It is existing to use laser scanning Mode establish the method for laser communication link the following steps are included:
Aircraft is scanned in pool overhead, and Xiang Shuiqu gets bluish-green laser；
The device that moves under water under water receives the bluish-green laser issued by aircraft, determines flight according to the direction of bluish-green laser transmission The location information of device；
Since aircraft does not know the position for the device that moves under water under water, need to be scanned back and forth in a big way, so that The bluish-green laser of sending hits the device that moves under water under water, and during the scanning process, aircraft is flown first to corresponding sea area, then exists Corresponding sea area overhead shuttle flight, enables the inswept entire predetermined maritime area of the bluish-green laser hot spot got, round-trip hot spot has centainly Overlapping；
The underwater device that moves under water sends bluish-green laser to aircraft according to the location information of acquisition；
The direction that aircraft is transmitted according to light wave determines the location information for the device that moves under water under water；With
Aircraft sends bluish-green laser to the device that moves under water under water according to the location information determined, establishes and the dress that moves under water under water Laser communication link between setting.Later, aircraft and the device that moves under water under water can carry out information by the communication link of foundation Interaction.
Using this laser scanning methods, since the device aircraft when deep-sea is hidden that moves under water under water is difficult to obtain underwater dive The Position Approximate that luggage is set increases scanning area, and aircraft needs are scanned back and forth, lead to communication link settling time It is long.Just it is forced to make a return voyage because of power source deficiency it could even be possible to aircraft does not scan the device that moves under water under water also.
Therefore, occur sending the position of aircraft to the device that moves under water under water by acoustical signal at present to reduce to establish and lead to Believe the time technology of link.It is built in latent communication for example, the Chinese patent literature that Authorization Notice No. is CN102624463B discloses The method and system of vertical communication link, wherein this method comprises: subsurface communication end receives the deep water sound issued by air communication end Sound signal obtains the location information at air communication end；Subsurface communication end is sent according to the location information of acquisition to air communication end Light wave；Air communication end determines the location information at subsurface communication end according to the direction that light wave transmits, and is believed according to the position determined It ceases to subsurface communication end and sends light wave, establish the communication link between subsurface communication end.The present invention program can be established quickly Communication link.But in the case where moving under water the recent position feedback of device under water, investigative range is still very there is no Width, the efficiency for establishing laser communication link is not still high.Therefore, it is necessary to the prior art is improved with improve aircraft and The device that moves under water under water establishes the efficiency of laser communication link.
Summary of the invention
For the deficiencies of the prior art, the present invention provides a kind of satellite-based aerial-underwater communications system, the present invention By first passing through satellite scanning underwater move under water device and underwater feedback of the device about its scope of activities of moving under water of acquisition, then again will Feedback notification aircraft, aircraft goes to corresponding region and the device that moves under water under water establishes laser communication link, greatly improves winged Row device and the device that moves under water under water establish the efficiency of laser communication link.
According to a preferred embodiment, a kind of satellite-based aerial-underwater communications system, comprising: several satellite groups At satellite communication network, aircraft and under water move under water device；Aircraft requests the first satellite in several satellites to assist flight Device is communicated with the device foundation of moving under water under water in undefined position；Request bluish-green wave band of first satellite in response to aircraft The laser-induced sound mode synchronous scanning of the laser mode and infrared band laser beam of laser beam is located at the underwater latent of uncertain region Luggage set to request its feedback activity range until receive move under water device under water carry its movable model within a preset time The feedback information enclosed；Aircraft flies according to the feedback information to can directly establish laser communication link with the device that moves under water under water Aerial region after, aircraft is attempted to establish laser communication link with the device that moves under water under water in the scope of activities, and passes through The laser communication link established between aircraft and the device that moves under water under water directly transmits between aircraft and the underwater device that moves under water Data.
According to a preferred embodiment, aircraft includes the first ATP device, and the device that moves under water under water is filled including the 2nd ATP It sets；When aircraft is attempted to establish laser communication link with the device that moves under water under water in scope of activities, vehicle launch swashs Light beam, which is directed toward, has the first satellite of known location to request the laser communication link established between aircraft and the first satellite, flies Laser communication link is established between row device and the first satellite is based at least partially on the appearance that the first ATP device determines aircraft later State and position；To after can directly establish the aerial region of laser communication link with the device that moves under water under water, first defends aircraft flight Star is located at the laser-induced sound mode synchronous scanning of the laser mode of bluish-green wave band of laser beam and infrared band laser beam again lives Dynamic range moves under water device under water to establish laser communication link between device of requesting to move under water in the first satellite and under water；First Satellite and move under water under water laser communication link is established between device after be based at least partially on the 2nd ATP device determine it is underwater latent The posture and position that luggage is set；According to the posture of determining aircraft and position and/or under water move under water device posture and position, Laser communication link is established between aircraft and the underwater device that moves under water, and by establishing between aircraft and the underwater device that moves under water Laser communication link move under water in aircraft and under water and directly transmit data between device.
According to a preferred embodiment, before establishing laser communication link between aircraft and the underwater device that moves under water, In the case that the previously determined posture for the device that moves under water under water and the posture and position of position but aircraft have not determined, do not determine The aircraft of posture and position is flown towards the device transmitting laser beam flying of moving under water under water for having determined that posture and position with attempting to establish Laser communication link between row device and the device that moves under water under water.
According to a preferred embodiment, in the water for not determining that the aircraft court of posture and position has determined that posture and position During dive luggage sets transmitting laser beam to attempt the laser communication link for establishing aircraft between the device that moves under water under water, Do not determine that the posture of aircraft and the determination process of position of posture and position do not terminate until attempting to establish aircraft and underwater It moves under water the laser communication link success between device or the system determines the postures for the aircraft for not determining posture and position The position and.
According to a preferred embodiment, it is based at least partially on posture and position that the first ATP device determines aircraft Processing include: the position that the first satellite is obtained from almanac data and/or registration table, speed and the geography for obtaining aircraft are fixed Position obtains the position of the first satellite of the first ATP device observation, based on first obtained from almanac data and/or registration table The first satellite that the position of satellite, the speed of the aircraft of acquisition and geo-location and the first ATP device of acquisition are observed The posture of position calculating aircraft and position: and/or it is based at least partially on the appearance that the 2nd ATP device determines the device that moves under water under water The processing of state and position includes: the position that the first satellite is obtained from almanac data and/or registration table, obtains the device that moves under water under water Speed and geo-location, the position of the first satellite of the 2nd ATP device observation is obtained, based on from almanac data and/or registration The position of the first satellite obtained in table, the speed of the device that moves under water under water obtained and geo-location and the 2nd ATP of acquisition The position of first satellite of device observation calculates posture and the position for the device that moves under water under water.
According to a preferred embodiment, be successfully established between the device that moves under water in aircraft and under water laser communication link it Before, the absolute pose of aircraft is established by using the first ATP device and the 3rd ATP device and towards the exhausted of the device that moves under water under water The beam drift of the laser beam of vehicle launch is compensated being directed toward；And/or the success between aircraft and the underwater device that moves under water It establishes before laser communication link, the absolute appearance for the device that moves under water under water is established by using the 2nd ATP device and the 4th ATP device State and absolute be directed toward towards aircraft set the beam drift of the laser beam of transmitting with compensation water dive luggage.
According to a preferred embodiment, in the laser acquisition mode and infrared waves of the bluish-green wave band of laser beam of the first satellite The laser acoustic detection mode synchronous scanning of section laser beam be located at uncertain region or scope of activities it is underwater move under water device when, the One satellite can also call the laser acquisition mode of the bluish-green wave band of laser beam of at least one satellite in several satellites and infrared The laser acoustic detection mode synchronous scanning of wave band of laser beam is located at the device that moves under water under water of uncertain region or scope of activities, and And at least one satellite in several satellites receive under water move under water device feedback information when notify the first satellite.
According to a preferred embodiment, after establishing laser communication link between aircraft and the underwater device that moves under water, First satellite keeps the laser communication link established between aircraft and/or the underwater device that moves under water up to aircraft and latent under water Luggage set between data be transmitted, and the first satellite identification aircraft and the laser established between device that moves under water under water are logical Believe the link state of link and transmit the transmission state of data by the laser communication link, is not complete shape in transmission state In the case that state and link state are down state, the first satellite sends to aircraft and the underwater device that moves under water and assists transmission number According to request fly after the device that moves under water in aircraft and under water receives the request of assistance transmission data of the first satellite transmission The laser communication link and the first satellite and dive under water that row device and the device that moves under water under water are established by aircraft and the first satellite Luggage sets up vertical laser communication link indirect communication data.
According to a preferred embodiment, the device that moves under water in aircraft and under water move under water by aircraft and under water device it Between when the laser communication link established directly transmits data, data are transmitted using plain code or are encrypted using the first Encryption Algorithm Transmit data；And/or move under water in aircraft and under water device by laser communication link that aircraft and the first satellite are established with And first when the laser communication link indirect communication data established of satellite and the device that moves under water under water, using being different from the first encryption Second Encryption Algorithm encrypted transmission data of algorithm；Wherein, the first Encryption Algorithm of encryption data and/or the second Encryption Algorithm are used for Code key be straight when the link state of aircraft and the laser communication link established between device that moves under water under water is available mode Connected what the laser communication link established between aircraft and the underwater device that moves under water directly transmitted.
According to a preferred embodiment, after establishing laser communication link between the device that moves under water in aircraft and under water and Before transmitting data to be encrypted, aircraft and the device that moves under water under water need to carry out code key generating process and code key transmission process； Wherein, code key generating process includes: aircraft or the device that moves under water under water generates the symmetrical code key for being used for the first Encryption Algorithm, flies Row device generates the first asymmetric code key for being used for the second Encryption Algorithm, and the device that moves under water under water generates for the second Encryption Algorithm Two asymmetric code keys, the first asymmetric code key include the first public key and the first private key, and the second asymmetric code key includes the second public key With the second private key；Code key transmission process includes: aircraft or the symmetrical code key of generation is passed through aircraft by the device that moves under water under water Laser communication link is established between device being transferred to move under water under water device or aircraft, aircraft is by generation moving under water under water First public key is transferred to the device that moves under water under water by establishing laser communication link between aircraft and the underwater device that moves under water, underwater latent Luggage, which is set, is transferred to flight by establishing laser communication link between aircraft and the underwater device that moves under water for the second public key of generation Device.
Detailed description of the invention
Fig. 1 is the rough schematic view of a preferred embodiment of the present invention.
Reference signs list
100: 110: the one ATP device of aircraft
120: the three ATP devices 200: move under water device under water
210: the two ATP device, 220: the four ATP device
300: 310: the first satellite of satellite
320: the second satellites 400: earth station
410: microwave station 420: optics station
Specific embodiment
It 1 is described in detail with reference to the accompanying drawing.
In the description of the present invention, it is to be understood that, it if there are the terms such as " first ", " second ", is only used for describing Purpose is not understood to indicate or imply relative importance or implicitly indicates the quantity of indicated technical characteristic.As a result, Define " first ", the feature of " second " can explicitly or implicitly include one or more of the features.In the present invention Description in, if there are term " multiple ", be meant that two or more, unless otherwise specifically defined.
Embodiment 1
Present embodiment discloses a kind of communication means, are also possible to a kind of laser communication method, are also possible to one kind and are based on The laser communication method of satellite can also be a kind of satellite-based aerial-underwater communications system, and this method can be by of the invention System and/or other alternative components are realized.For example, realizing this by using each components in system of the invention The method of invention.
According to a preferred embodiment, this method can be used in system of the invention.This method may include: flight Device 100 requests the first satellite 310 in several satellites 300 to assist aircraft 100 and the dress that moves under water under water in undefined position Set 200 foundation communication.This method may include: request bluish-green wave band of laser beam of first satellite 310 in response to aircraft 100 The laser-induced sound mode synchronous scanning of laser mode and infrared band laser beam be located at moving under water device under water for uncertain region 200 to request its feedback activity range until receive move under water device 200 under water carry its movable model within a preset time The feedback information enclosed.This method may include: aircraft 100 according to feedback information flight to can be straight with the device 200 that move under water under water After connecing the aerial region for establishing laser communication link, aircraft 100 is attempted and the device 200 that moves under water under water in scope of activities Laser communication link is established, and the laser communication link by establishing between aircraft 100 and the underwater device 200 that moves under water is flying Data are directly transmitted between device 100 and the device 200 that moves under water under water.Preferably, aircraft 100 includes the first ATP device 110, water It includes the 2nd ATP device 210 that dive luggage, which sets 200,.Preferably, this method may include: to attempt in aircraft 100 and be in work When the device 200 that moves under water under water in dynamic range establishes laser communication link, aircraft 100 emits laser beam and is directed toward with known bits The first satellite 310 set to request to establish laser communication link between aircraft 100 and the first satellite 310, aircraft 100 with Laser communication link is established between first satellite 310 is based at least partially on the determining aircraft 100 of the first ATP device 110 later Posture and position.Preferably, the flight of aircraft 100 is to can directly establish laser communication link with the device 200 that moves under water under water Behind aerial region, the first satellite 310 is again with the laser mode of bluish-green wave band of laser beam and the laser-induced of infrared band laser beam Sound mode synchronous scanning is located at the underwater of scope of activities and moves under water device 200 to request in the first satellite 310 and the device that moves under water under water Laser communication link is established between 200.Preferably, laser communication is established between the first satellite 310 and the underwater device 200 that moves under water Posture and position that the 2nd ATP device 210 determines the device 200 that moves under water under water are based at least partially on after link.Preferably, root According to the posture and position of the posture of determining aircraft 100 and position and/or the underwater device 200 that moves under water, in aircraft 100 and water Dive luggage is set and establishes laser communication link between 200, and established between device 200 by aircraft 100 and moving under water under water Laser communication link directly transmits data between aircraft 100 and the underwater device 200 that moves under water.Preferably, in the present invention, because The point-to-point laser communication link of establishing of laser space communication has high success rate unlike fiber optic communication, so attempting Foundation seeks the mode that laser communication is established with other side in the case where can be adjustment laser beam flying direction.Preferably, several Satellite 300 may include the microwave star with microwave communication, the visual star with laser communication and/or can use laser or microwave communication Microwave Optics shares star.Preferably, the device 200 that moves under water under water determines the size of the scope of activities of transmission according to its concealment. For example, scope of activities can be a round ring of encirclement, diameter can be decided in its sole discretion by the device 200 that moves under water under water.Flight Device 100 can be flown within a preset time to the aerial region that can directly establish laser communication link with the device 200 that moves under water under water And complete the process that aircraft 100 directly establishes laser communication link with the device 200 that moves under water under water.Preferably, move under water dress under water Setting 200 for example can be at least one of submarine, underwater detectoscope and hydrophone.The present invention at least can be real using this mode Existing following advantageous effects: first, the present invention is moved under water under water by first passing through satellite scanning and device and obtains the dress that moves under water under water The feedback about its scope of activities is set, then again by feedback notification aircraft, aircraft goes to corresponding region and the device that moves under water under water Laser communication link is established, scanning range is greatly reduced, aircraft is improved and the device that moves under water under water establishes laser communication chain The efficiency on road, second, satellite is farther apart from the water surface compared to aircraft, and it is capable of forming bigger hot spot and is scanned, scanning effect Rate is higher；Third, satellite scans in orbit does not expend fuel, it is only necessary to use electric power, and electric power can be mended by solar battery It fills.
According to a preferred embodiment, aircraft 100 except preset time just flight to can be with the underwater dress that moves under water When setting the aerial region that 200 directly establish laser communication link, the first satellite 310 can again with bluish-green wave band of laser beam swash The laser-induced sound mode synchronous scanning of light mode and infrared band laser beam be located at uncertain region under water move under water device 200 with Request its feedback activity range until receive move under water device 200 under water carry its scope of activities in next preset time Update feedback information.Aircraft 100 can be flown in next preset time to can directly build with the device 200 that moves under water under water It stands next aerial region of laser communication link and completes aircraft 100 and directly establish laser communication with the device 200 that moves under water under water The process of link.
Preferably, this method may include: to attempt and the device that moves under water under water in undefined position in aircraft 100 When 200 foundation communication, aircraft 100 can emit laser beam and be directed toward the first satellite 310 with known location to request to establish Laser communication link between aircraft 100 and the first satellite 310.It is logical that laser is established between aircraft 100 and the first satellite 310 Posture and position that the first ATP device 110 determines aircraft 100 can be based at least partially on after letter link.First satellite 310 can be located at the device 200 that moves under water under water of uncertain region until laser beam irradiation is moved under water under water with bluish-green laser beam scanning Device 200.First satellite 310 and move under water under water laser communication link is established between device 200 after can at least partly ground Posture and the position of the device 200 that moves under water under water are determined in the 2nd ATP device 210.Preferably, according to determining aircraft 100 The posture and position of posture and position and the device 200 that moves under water under water are built between aircraft 100 and the underwater device 200 that moves under water Vertical laser communication link, and the laser communication link established between the device 200 that can move under water by aircraft 100 and under water is flying Data are transmitted between row device 100 and the device 200 that moves under water under water.Preferably, one in aircraft 100 and the device 200 that moves under water under water The carrier of side or a side can land face perhaps water surface movable aircraft 100 and under water move under water another party in device 200 or The carrier of another party can move in the sky.Such as can the side in aircraft 100 and the device 200 that moves under water under water can be Vehicle , at least one of ship and portable unit.Another party or another party in aircraft 100 and the device 200 that moves under water under water Carrier for example can be at least one of aircraft, rocket, helicopter and unmanned plane.
According to a preferred embodiment, in the laser acquisition mode of the bluish-green wave band of laser beam of the first satellite 310 and red The laser acoustic detection mode synchronous scanning of wave section laser beam is located at the device that moves under water under water of uncertain region or scope of activities When 200, the first satellite 310 may call upon the laser of the bluish-green wave band of laser beam of at least one satellite in several satellites 300 The laser acoustic detection mode synchronous scanning of detection mode and infrared band laser beam is located at uncertain region or scope of activities Move under water device 200 under water.At least one satellite in several satellites 300 receive under water move under water device 200 feedback information it When can notify the first satellite 310.For example, at least one satellite can be the second satellite 320.The present invention uses this mode at least It can be realized following advantageous effects: can further shorten the time for obtaining device feedback of moving under water under water.
Preferably, ATP can refer to Acquisition, Tracking and Pointing, i.e. acquisition and tracking and aiming. Preferably, ATP device can also be known as APT device, capture aims at tracker, acquisition and tracking and sighting system, aim at capture with Track device and/or acquisition and tracking and sighting device.For example, by taking earth station and satellite as an example, in order in satellite 300 and satellite Reliable communication is realized between 300 or between satellite 300 and other communication equipments.Require a satellite 300 that can capture separately first The light beam that one satellite 300 or earth station 400 send, referred to as beacon beam, and the light beam is converged in detector or antenna The heart, this process, which is referred to as, captures or captures body.After the completion of capture, the satellite 300 as recipient will also issue a light beam, Ask the light beam can accurately be directed toward issue beacon beam another satellite 300 or earth station 400, this process be referred to as be directed toward or It aims at.After the satellite 300 of sending beacon beam receives this light beam, acquisition procedure is also correspondingly completed, two satellites can be just made 300 or satellite 300 and earth station 400 be finally reached communication connection status.To guarantee this two satellites 300 or satellite 300 and ground Face station 400 is constantly in communications status, it is necessary to be always maintained at this accurate connection status, this process, which is referred to as, to be tracked or track Mouthful.
Preferably, there are many mathematical expression methods for the posture for determining object and position, such as can be with Eulerian angles, Euler-sieve At least one of Delhi lattice parameter, Rodrigo-jeep this vector, quaternary number and dual quaterion.
Preferably, optical frequency comb and pump signal are generated at 300 transmitter of satellite；Modulating light frequency is combed at transmitter Idle signal to generate data-signal and the phase conjugation as data-signal；Decay pump signal at transmitter；From defending Star 300 sends the signal of communication with data-signal, idle signal and pump signal by free space；From defending at receiver Star 300 receives transmitted signal of communication, which has data-signal, idle signal and the pump signal of decaying；? Amplification data signal and idle signal at phase-sensitive amplifier in receiver；Demodulated data signal and idle signal at receiver To extract data.
According to a preferred embodiment, laser communication link is established between aircraft 100 and the underwater device 200 that moves under water Before, the feelings that the previously determined posture for the device 200 that moves under water under water and the posture and position of position but aircraft 100 have not determined Under condition, do not determine that the aircraft 100 of posture and position can swash towards the transmitting of device 200 of moving under water under water of posture and position is had determined that Light beam scanning is to attempt to establish the laser communication link between aircraft 100 and the underwater device 200 that moves under water.Preferably, not true The aircraft 100 for determining posture and position emits laser beam towards the device 200 that moves under water under water for having determined that posture and position to attempt to build During laser communication link between vertical aircraft 100 and the device 200 that moves under water under water, the flight of posture and position is not determined The posture of device 100 and the determination process of position can not terminate until attempt establish aircraft 100 and under water move under water device 200 it Between laser communication link success or the system determines the posture for the aircraft 100 for not determining posture and position and positions. The present invention at least can be realized following advantageous effects using this mode: first, although not determining that the aircraft 100 of position does not have Have and posture and position are determined by ATP device, but it can determine that one determines than ATP device by airborne locating module Thus posture and a little posture and location information of position rather rough are attempted to establish communication, therefore the present invention can take volume External square type is attempted to shorten the settling time of the laser communication link between two moveable communications platforms, because the present invention is being built When vertical laser communication link, had determined that and the undetermined feelings in position of aircraft 100 in the position for the device 200 that wherein moves under water under water Under condition, the aircraft 100 of position is not determined using the free time for determining its posture and position, to having determined that posture and position The device 200 that moves under water under water sends laser beam flying to attempt to establish laser communication link, and communication is then quickly established in trial and success；The Two, even with attempt to failure, after the posture of aircraft 100 and position are determined, it also can use fixed two between the two The posture of person and position communicate to establish.
It preferably, can after being based at least partially on the first ATP device 110 and determining posture and the position of aircraft 100 To be searched for by the starting of aircraft 100 to the open loop for the device 200 that moves under water under water.Preferably, opening in the second initial preset duration Can not have the step of staring search during loops detection.
According to a preferred embodiment, aircraft 100 may include the 3rd ATP device 120, and move under water device 200 under water It may include the 4th ATP device 220.After establishing laser communication link between aircraft 100 and the underwater device 200 that moves under water, It is logical to disconnect to first satellite, 310 property of can choose the laser established between its device 200 that moves under water with aircraft 100 and/or under water Believe link.At least one of the device 200 that moves under water in aircraft 100 and under water disconnects its laser established with the first satellite 310 It, can be at least partially through 120 He of the 3rd ATP device between aircraft 100 and the device 200 that moves under water under water after communication link 4th ATP device 220 determines mutual posture and position.The present invention at least can be realized following Advantageous using this mode Effect: first, after directly establishing laser communication link between aircraft 100 and the underwater device 200 that moves under water, the two can evidence This determines posture and position each other and does not have to realize by establishing laser communication link with the first satellite 310 again, therefore, this The computing cost and energy consumption in later period can be greatly reduced using this mode for invention；Second, since the resource that satellite 300 carries is that have Limit and preciousness, a part of equipment can be discharged after disconnecting and is occupied, thus more efficiently using system resource and be more Ground equipment provides service.
Preferably, the aircraft 100 in the present invention, move under water under water device 200 or the first satellite 310 can be swashed using green At least one of light, Lan Jiguang, bluish-green laser and red laser laser establishes laser communication link.For example, aircraft and first The laser communication link that low orbit satellite is established, the uplink for the data that aircraft is sent to the first low orbit satellite can use green Laser, the first low orbit satellite can use red laser to the downlink that aircraft sends data.
According to a preferred embodiment, it is with aircraft 100 and/or latent under water that the first satellite 310 selectively disconnects it Luggage set the laser communication link established between 200 processing may include: aircraft 100 and under water move under water device 200 it Between establish laser communication link after, the first satellite 310 can analyze aircraft 100 and the mobility for the device 200 that moves under water under water； Can move under water according to the aircraft 100 and under water mobility of device 200 of first satellite 310 selects a kind of mode from following manner And execute: the first satellite 310 keeps the laser communication link established with aircraft 100 and the device 200 that moves under water under water；First satellite 310 disconnect the laser communication link of its foundation of device 200 of moving under water with aircraft 100 or under water；And/or first satellite 310 it is disconnected Open the laser communication link of its foundation of device 200 of moving under water with aircraft 100 and under water.
Preferably, when relatively ball is in moving condition for aircraft 100 and the underwater device 200 that moves under water, first is defended Star 310 can keep moving under water with aircraft 100 and under water the laser communication link of the foundation of device 200.In aircraft 100 and under water When one in the device 200 opposite earth that moves under water remains static, the first satellite 310 can disconnect it and in static shape The aircraft 100 of state or the laser communication link for the foundation of device 200 of moving under water under water.In aircraft 100 and the underwater device that moves under water 200 when relatively ball remains static, and the first satellite 310 can disconnect itself and aircraft 100 and the device that moves under water under water 200 laser communication links established.
Preferably, its device that moves under water with the aircraft 100 to remain static or under water is disconnected in the first satellite 310 Before 200 laser communication links established, the device 200 that can move under water to the aircraft 100 to remain static or under water is sent out Send the request for disconnecting laser communication link.In response to disconnecting the request of laser communication link, aircraft 100 and the device that moves under water under water At least one of 200 can be based on winged in the first preset duration of geography information model and trajectory predictions anticipation after it has been broken The disconnection for the laser communication link established between row device 100 and the device 200 that moves under water under water.It is when aircraft 100 and latent under water Luggage is set in the first preset duration that at least one of 200 are prejudged after it has been broken based on geography information model and trajectory predictions The disconnection times for the laser communication link established between aircraft 100 and the device 200 that moves under water under water are more than or equal to preset times threshold When value, the aircraft 100 or the underwater device 200 that moves under water that remain static can refuse the request of the first satellite 310.When Aircraft 100 and at least one of the device 200 that moves under water under water are based on geography information model and trajectory predictions anticipation in disconnection The disconnection times for the laser communication link established between aircraft 100 and the device 200 that moves under water under water in the first preset duration afterwards When less than preset times threshold value, the aircraft 100 to remain static or the device 200 that moves under water under water can receive first and defend The request of star 310.Preferably, geography information model, that is, GIS model.The system can be according at least portion in several satellites 300 The geography information of the acquisition of satellite 300 is divided to draw and/or update geography information model.The system can also be according to several satellites The cloud layer information that at least partly satellite 300 in 300 acquires that cloud layer model is drawn and/or updated on geography information model. Preferably, cloud layer model can be used for anticipation disconnection.
Preferably, the first satellite 310 can be based on the communication reliability between aircraft 100 and the underwater device 200 that move under water And/or the bit error rate selectively disconnects the laser communication chain established between its device 200 that moves under water with aircraft 100 and/or under water Road.Preferably, what the first satellite 310 can be detected by geographical conditions, meteorological condition, the 3rd ATP device 120 moves under water under water The laser that the aircraft 100 that the beam drift degree for the laser beam that device 200 emits and the 4th ATP device 220 detect emits The beam drift degree of beam analyzes communication reliability.
Preferably, it is based at least partially on the first ATP device 110 and determines the posture of aircraft 100 and the processing packet of position It includes: obtaining the position of the first satellite 310 from almanac data and/or registration table, speed and the geography for obtaining aircraft 100 are fixed Position obtains the position of the first satellite 310 of the first ATP device 110 observation.Based on being obtained from almanac data and/or registration table The position of the first satellite 310, acquisition aircraft 100 speed and geo-location and the first ATP device 110 of acquisition see The posture of the position calculating aircraft 100 for the first satellite 310 examined and position.
Preferably, posture and position that the 2nd ATP device 210 determines the device 200 that moves under water under water are based at least partially on Processing may include: the position that the first satellite 310 is obtained from almanac data and/or registration table, obtain the device 200 that moves under water under water Speed and geo-location, obtain the position of the first satellite 310 of the 2nd ATP device 210 observation, and/or based on from ephemeris number According to and/or registration table in the position of the first satellite 310 obtained, move under water the under water speed and geo-location of device 200 that obtain And the position of the first satellite 310 of the 2nd ATP device 210 observation obtained calculates posture and the position for the device 200 that moves under water under water It sets.
According to a preferred embodiment, in the appearance for being based at least partially on the determining aircraft 100 of the first ATP device 110 State and position and be based at least partially on the 2nd ATP device 210 determine under water move under water device 200 posture and position after, Aircraft 100 and the device 200 that moves under water under water can send laser beam opposite to each other to establish aircraft 100 and the underwater device that moves under water Laser communication link between 200.Preferably, aircraft 100 and the device 200 that moves under water under water are sent opposite to each other by open loop approach Laser beam is in the laser communication link for establishing aircraft 100 in 9 seconds between the device 200 that moves under water under water.
According to a preferred embodiment, emits laser beam in aircraft 100 and be directed toward first satellite with known location Before 310 establish the laser communication link between aircraft 100 and the first satellite 310 with request, aircraft 100 can be from ephemeris The first satellite 310 is selected in data or registration table.Preferably, the first satellite 310 of selection may be at flying when selection In the 10mrad visual field of first ATP device 110 of row device 100, in particularly preferred 4mrad visual field.Preferably, aircraft 100 from When selecting the first satellite 310 in almanac data or registration table, it is logical that the satellite in assessment and 4 or 10mrad visual field establishes laser The settling time for believing link selects the satellite of corresponding shortest settling time as the first satellite 310.Preferably, first Satellite 310 can be synchronous satellite, be also possible to asynchronous satellite.Preferably, preferential to select in settling time identical situation Asynchronous satellite is selected as the first satellite 310, the second choice of opimization synchronous satellite is as the first satellite.
According to a preferred embodiment, laser communication is successfully established between aircraft 100 and the underwater device 200 that moves under water Before link, can be established by using the first ATP device 110 and the 3rd ATP device 120 aircraft 100 absolute pose and Absolute towards the device 200 that moves under water under water is directed toward to compensate the beam drift of the laser beam of the transmitting of aircraft 100.Preferably, exist It is successfully established before laser communication link between aircraft 100 and the device 200 that moves under water under water, by using the 2nd ATP device 210 The absolute pose for the device 200 that moves under water under water is established with the 4th ATP device 220 and is directed toward towards the absolute of aircraft 100 to compensate The beam drift of the laser beam of the underwater transmitting of device 100 of moving under water.Preferably due to thermal deformation of the laser by itself, environment The influence of the factors such as vibration, air agitation or turbulent water, the laser beam of outgoing can often generate drift in communication process, limit Further increasing for laser alignment precision is made, this drift is just called beam drift.
Embodiment 2
The present embodiment can be the further improvement and/or supplement to embodiment 1, and duplicate content repeats no more.Not It causes in conflict or contradictory situation, the entirety and/or partial content of the preferred embodiment of other embodiments can be used as The supplement of the present embodiment.
According to another preferred embodiment, laser communication chain is established between aircraft 100 and the underwater device 200 that moves under water After road, the first satellite 310 can keep the laser communication chain established between aircraft 100 and/or the device 200 that moves under water under water Road is until the data between aircraft 100 and the device 200 that moves under water under water are transmitted.First satellite 310 can identify aircraft 100 and the laser communication link established between device 200 that moves under water under water link state and passed by the laser communication link The transmission state of transmission of data, in the case where transmission state is unfinished state and link state is down state, first is defended The device 200 that can move under water to aircraft 100 and under water of star 310 sends the request for assisting transmission data, in aircraft 100 and underwater After the device 200 that moves under water receives the request of assistance transmission data of the first satellite 310 transmission, aircraft 100 and move under water under water Device 200 can be by laser communication link and the first satellite 310 that aircraft 100 and the first satellite 310 are established and underwater The laser communication link that the device 200 that moves under water is established transmits data.Preferably, in aircraft 100 and the device 200 that moves under water under water extremely Few one sends the link for the laser communication link established between aircraft 100 and the underwater device 200 that moves under water to the first satellite 310 State and the transmission state that data are transmitted by the laser communication link.
Preferably, the laser communication link established between aircraft 100 and the underwater device 200 that moves under water is in unavailable shape It, can be mutual at least partially through the determination of the first satellite 310 between aircraft 100 and the device 200 that moves under water under water after state Posture and position, and the laser communication chain for re-establishing aircraft 100 between the device 200 that moves under water under water can be attempted accordingly Road.
According to a preferred embodiment, aircraft 100 and the device 200 that moves under water under water are by aircraft 100 and latent under water It, can be using plain code transmission data or cipher mode when luggage sets the laser communication link transmission data established between 200 Transmit data.The laser communication chain that aircraft 100 and the device 200 that moves under water under water are established by aircraft 100 and the first satellite 310 When the laser communication link transmission data that road and the first satellite 310 and the device 200 that moves under water under water are established, using cipher mode Transmit data.Preferably, aircraft 100 and the device 200 that moves under water under water can not transmit winged for decrypting to the first satellite 310 The code key of data is transmitted between row device 100 and the device 200 that moves under water under water.
According to a preferred embodiment, in aircraft 100 and the underwater device 200 that moves under water by aircraft 100 and under water It moves under water when the laser communication link transmission data established between device 200, the first Encryption Algorithm encrypted transmission number can be used According to.Move under water in aircraft 100 and under water device 200 by laser communication link that aircraft 100 and the first satellite 310 are established with And first when the laser communication link transmission data established of satellite 310 and the device 200 that moves under water under water, it can be using being different from the Second Encryption Algorithm encrypted transmission data of one Encryption Algorithm.Preferably, the first calculation amount of the first Encryption Algorithm is less than second Second calculation amount of Encryption Algorithm.It is highly preferred that the first Encryption Algorithm is symmetric encipherment algorithm, the second Encryption Algorithm is asymmetric Encryption Algorithm.
According to a preferred embodiment, laser communication link is established between aircraft 100 and the underwater device 200 that moves under water Later and before transmission data to be encrypted, aircraft 100 and the device 200 that moves under water under water can carry out code key generating process and secret Key transmission process.
Preferably, code key generating process may include: aircraft 100 or the device 200 that moves under water under water is generated for first The symmetrical code key of Encryption Algorithm, aircraft 100 generate the first asymmetric code key for being used for the second Encryption Algorithm, and move under water device under water 200 generate the second asymmetric code key for being used for the second Encryption Algorithm, and the first asymmetric code key includes the first public key and the first private key, Second asymmetric code key includes the second public key and the second private key.
Preferably, code key transmission process may include: aircraft 100 or move under water device 200 for the symmetrical of generation under water Code key move under water by aircraft 100 and under water establish between device 200 laser communication link be transferred to move under water under water device 200 or Person's aircraft 100, aircraft 100 swash the first public key of generation by establishing between aircraft 100 and the underwater device 200 that moves under water Optical communication link is transferred to the device 200 that moves under water under water, and the second public key of generation is passed through aircraft 100 by the device 200 that moves under water under water Laser communication link, which is established, between the device 200 that moves under water under water is transferred to aircraft 100.Preferably, in aircraft 100 and under water When the device 200 that moves under water transmits data by the laser communication link established between aircraft 100 and the underwater device 200 that moves under water, Aircraft 100 and the device 200 that moves under water under water pass through symmetrical code key encrypted transmission data.Preferably, latent in aircraft 100 and under water Luggage sets the laser communication link that 200 are established by aircraft 100 and the first satellite 310 and the first satellite 310 and dives under water When luggage sets the laser communication link transmission data of 200 foundation, the data that aircraft 100 is sent pass through the first private key and second Public key just sets 200 by 310 indirect communication water supply dive luggage of the first satellite after being encrypted, and the device 200 that moves under water under water passes through The data that the aircraft 100 that first public key and the unlock of the second private key receive is sent.In aircraft 100 and the underwater device that moves under water 200 laser communication links established by aircraft 100 and the first satellite 310 and the first satellite 310 and the device that moves under water under water When the 200 laser communication link transmission data established, the data that the device 200 that moves under water under water is sent pass through the second private key and first Public key encrypted after just by 310 indirect communication of the first satellite to aircraft 100, aircraft 100 passes through the second public key and the The data for the underwater transmission of device 200 of moving under water that the unlock of one private key receives.
Embodiment 3
The present embodiment can be to embodiment 1,2 or its further improvement and/or supplement for combining, and duplicate content is not It repeats again.
According to a preferred embodiment, laser communication link is established between aircraft 100 and the underwater device 200 that moves under water Later, the first satellite 310 can keep the laser communication link established between aircraft 100 and/or the device 200 that moves under water under water Until the data between aircraft 100 and the device 200 that moves under water under water are transmitted.Preferably, the first satellite 310 can identify winged The link state of row device 100 and the laser communication link established between device 200 that moves under water under water and by the laser communication chain The transmission state of data is transmitted on road, in the case where transmission state is unfinished state and link state is down state, the One satellite 310 can move under water to aircraft 100 and under water device 200 send assist transmission data request, in 100 He of aircraft After the device 200 that moves under water under water receives the request of assistance transmission data of the first satellite 310 transmission, aircraft 100 and underwater 310 He of laser communication link and the first satellite that the device 200 that moves under water can be established by aircraft 100 and the first satellite 310 The laser communication link indirect communication data that the device 200 that moves under water under water is established.The present invention use this mode at least and can be realized with Lower advantageous effects: when the laser communication link between aircraft 100 and the underwater device 200 that moves under water is unstable, Ke Yitong It crosses the first satellite 310 and carrys out indirect communication data.
According to a preferred embodiment, in aircraft 100 and the underwater device 200 that moves under water by aircraft 100 and under water When the laser communication link established between device 200 that moves under water directly transmits data, using plain code transmission data or it can adopt With the first Encryption Algorithm encrypted transmission data；And/or the device 200 that moves under water in aircraft 100 and under water passes through aircraft 100 and the The laser communication link that laser communication link and the first satellite 310 that one satellite 310 is established and the device 200 that moves under water under water are established It, can be using the second Encryption Algorithm encrypted transmission data different from the first Encryption Algorithm when transmitting data；Wherein, for adding The code key of the first Encryption Algorithm of ciphertext data and/or the second Encryption Algorithm is built between aircraft 100 and the underwater device 200 that moves under water The link state of vertical laser communication link directly passes through aircraft 100 between the device 200 that moves under water under water when being available mode What the laser communication link of foundation directly transmitted.The present invention at least can be realized following advantageous effects using this mode: the One, the code key for the first Encryption Algorithm of encryption data and/or the second Encryption Algorithm is in aircraft 100 and the first low orbit satellite The link state for the laser communication link established between the 210 underwater devices 200 that move under water directly passes through aircraft when being available mode The laser communication link transmission established between 100 and the device 200 that moves under water under water, not via any intermediate equipment, safety pole It is high；Second, data are transmitted by cipher mode, can prevent from being eavesdropped by other satellites；Third, when directly transmitting between the two, When being transmitted using the relatively lower first Encryption Algorithm encryption of decryption difficulty or plain code, and being transmitted by the first satellite, then adopt With relatively higher the second Encryption Algorithm encryption of decryption difficulty, there is higher safety.
According to a preferred embodiment, laser communication link is established between aircraft 100 and the underwater device 200 that moves under water Later and before transmission data to be encrypted, aircraft 100 and the device 200 that moves under water under water can carry out code key generating process and secret Key transmission process.Code key generating process may include: aircraft 100 or the device 200 that moves under water under water is generated for the first encryption The symmetrical code key of algorithm, aircraft 100 generate the first asymmetric code key for being used for the second Encryption Algorithm, and move under water device 200 under water The the second asymmetric code key for being used for the second Encryption Algorithm is generated, the first asymmetric code key includes the first public key and the first private key, the Two asymmetric code keys include the second public key and the second private key.Code key transmission process may include: aircraft 100 or move under water under water Device 200 is by the symmetrical code key of generation by establishing laser communication link transmission between aircraft 100 and the underwater device 200 that moves under water Water supply dive luggage sets 200 or aircraft 100, and aircraft 100 is by aircraft 100 and latent under water by the first public key of generation Luggage is set to establish laser communication link between 200 and be transferred to and move under water device 200 under water, and the device 200 that moves under water under water is by the of generation Two public keys are transferred to aircraft 100 by establishing laser communication link between aircraft 100 and the underwater device 200 that moves under water.This hair Bright at least to can be realized following advantageous effects using this mode: in traditional asymmetric code key, public key is in needing to pass through Between device forwards to special object, a possibility that being also stolen, although communication file directly cannot be cracked with public key, One layer of difficulty can be reduced, and the first public key and the second public key of the invention is all point-to-point transmission, safety is high.
According to a preferred embodiment, aircraft 100 be can be configured as: generate corresponding at least two security levels The asymmetric code key of at least two groups first of at least two symmetrical code keys, at least two security level corresponding with generation.Security level is got over High symmetrical code key or the first asymmetric code key can distribute longer code key length.Pass through 100 He of aircraft in aircraft 100 Before the laser communication link established between the underwater device 200 that moves under water transmits data to the device 200 that moves under water under water, aircraft 100 It can determine to security level needed for the transmission data of device 200 of moving under water under water, and/or can be determined according to aircraft 100 Code key needed for security level selection encryption data needed for transmitting data to the device 200 that moves under water under water.Preferably, it moves under water under water Device 200 can be configured as: generate the asymmetric code key of at least two groups second of corresponding at least two security levels.Security level The asymmetric code key of higher second can distribute longer code key length.The device 200 that moves under water under water passes through aircraft 100 and water Dive luggage is set before the laser communication link established between 200 transmits data to aircraft 100, and moving under water device 200 under water can With true directional aircraft 100 transmit data needed for security level, and/or can according to move under water under water device 200 determine to Code key needed for the selection encryption data of security level needed for aircraft 100 transmits data.The present invention at least can using this mode Enough realize following advantageous effects: more the data of high safety grade are encrypted using longer code key, further increase peace Quan Xing.
According to a preferred embodiment, aircraft 100 be can be configured as: according to determining to moving under water device under water It is sent after code key needed for security level selection encryption data needed for 200 transmission data and to the device 200 that moves under water under water Before encryption data, data institute is transmitted to the device 200 that moves under water under water to what the transmission aircraft 100 of device 200 that moves under water under water determined The security level needed is to allow the underwater device 200 that moves under water to enable the decryption code key being adapted to therewith；And/or move under water device 200 under water can To be configured as: secret needed for the security level selection encryption data according to needed for the determining transmission data to aircraft 100 After key and before sending encryption data to aircraft 100, send that the device 200 that moves under water under water determines to aircraft 100 to The decryption code key that security level needed for aircraft 100 transmits data is adapted to therewith with allowing aircraft 100 to enable.
According to a preferred embodiment, aircraft 100 be can be configured as: in aircraft 100 to moving under water device under water 200 send it is determining transmit data to the device 200 that moves under water under water needed for before security level, pair that is generated with aircraft 100 It answers the first private key of highest security level and the second public key of the correspondence highest security level for the generation of device 200 of moving under water under water is to winged Security level needed for what row device 100 determined transmit data to the device 200 that moves under water under water is just sent to underwater latent after being encrypted Luggage sets 200；And/or the device 200 that moves under water under water can be configured as: the device 200 that moves under water under water is sent really to aircraft 100 It is fixed transmit data to aircraft 100 needed for before security level, with the correspondence highest safety for the generation of device 200 of moving under water under water First public key of the correspondence highest security level that the second private key and aircraft 100 of grade generate is true to the device 200 that moves under water under water It is fixed transmit data to aircraft 100 needed for security level encrypted after be just sent to aircraft 100.The present invention uses this Mode at least can be realized following advantageous effects: with the asymmetric code key of highest security level come encryption safe grade, into One step improves decryption difficulty, but for the both sides of communication, it but can be according to the public key that both sides had previously exchanged and the private key of oneself Quickly enable the decryption code key being adapted to therewith.
According to a preferred embodiment, aircraft 100 be can be additionally configured to: with aircraft 100 generate correspondence most Second public key of the correspondence highest security level that the first private key of high safety grade and the device 200 that moves under water under water generate is to receiving Under water move under water device 200 determine to aircraft 100 transmit data needed for security level be decrypted and accordingly enable and Adaptation decryption code key decryption under water move under water device 200 transmission corresponding data；And/or the device 200 that moves under water under water can be by It is configured that the correspondence generated with the second private key of the correspondence highest security level for the generation of device 200 of moving under water under water and aircraft 100 First public key of highest security level transmits needed for data to what the aircraft 100 received determined to the device 200 that moves under water under water Security level be decrypted and enable accordingly be adapted to therewith decryption code key decryption aircraft 100 send corresponding data.
Embodiment 4
The present embodiment can be to embodiment 1,2,3 or its further improvement and/or supplement for combining, duplicate content It repeats no more.Present embodiment discloses a kind of communication systems, are also possible to a kind of laser communication system, are also possible to one kind and are based on The laser communication system of satellite is also possible to a kind of satellite-based aerial-underwater communications system.The system is adapted for carrying out this hair Each method and step of bright record, to reach expected technical effect.In the case where not causing conflict or contradictory situation, other realities The entirety and/or partial content of applying the preferred embodiment of example can be used as the supplement of the present embodiment.
According to a preferred embodiment, which may include: the satellite communication network of several compositions of satellites 300, flies Row device 100 and the device 200 that moves under water under water.Aircraft 100 may include the first ATP device 110, and the device 200 that moves under water under water can be with Including the 2nd ATP device 210.
Preferably, the laser beam that system of the invention generates is very narrow, and the angle of divergence of laser beam can be 12~95 μ rad.Especially Its preferably 15~20 μ rad.The angle of divergence for the laser transmitting antenna that the present invention uses adjustably is arranged, and adjustable range is 15~20 μ Rad or 12~95 μ rad.Narrow laser beam is advantageous, because this can be by providing higher every square metre watt at target Spy provides high directivity and can obtain high data rate over long distances.But since laser beam is very narrow, it must It must accurately refer to very much aiming to establish reliable and stable communication.
Preferably, system of the invention is giving laser beam bring using nonlinear optics phase conjugated manner compensation atmosphere Tracking aiming is carried out to moving target under conditions of wavefront distortion.Thus, it is possible to will take aim at light energy preferably to concentrate on a very little Region provides and more precisely aims at.
Preferably, system of the invention can by the way of discontinuous transmission laser intermittently communicating.It is established in the system Between any two equipment of laser communication link, during the intermittently communicating by the way of discontinuous transmission laser, together The one moment system only assigns one of equipment and is in the state for not emitting laser.
According to a preferred embodiment, which may include several earth stations 400.Earth station 400 can and fly 100 microwave communication of device or optical communication.Preferably, several earth stations 400 may include several microwave stations 410 and/or several Optics station 420.Preferably, the first satellite 310 can request optics station 420 and aircraft 100 to establish laser communication link assistance First satellite 310 determines posture and the position of aircraft 100.Preferably, uncertain region, which can be, first passes through non-optical manner Bigger region for the accurate location that determining opposing optical mode determines, for example, being moved under water under water device 200 and outer based on last time The uncertain region that position, time interval and the maximum speed that sulcus terminalis is in when logical calculate.For another example, it is based on its history One uncertain region of zone of action estimation.It is then underwater with laser beam further scanning search in this uncertain region Move under water device 200.
Embodiment 5
The present embodiment can be to embodiment 1,2,3,4 or its further improvement and/or supplement for combining, duplicate interior Appearance repeats no more.
According to a preferred embodiment, which may include: the satellite communication network of several compositions of satellites 300, flies Row device 100 and/or the device 200 that moves under water under water.Aircraft 100 may include the first ATP device 110.Moving under water device 200 under water can To include the 2nd ATP device 210.It attempts to communicate with the foundation of device 200 of moving under water under water in undefined position in aircraft 100 When, aircraft 100 can emit laser beam be directed toward have known location the first satellite 310 with request establish aircraft 100 with Laser communication link between first satellite 310.It is established after laser communication link between aircraft 100 and the first satellite 310 Posture and position that the first ATP device 110 determines aircraft 100 can be based at least partially on.First satellite 310 can use indigo plant Green wave band of laser beam scanning is located at the device 200 and in the first satellite 310 and the device that moves under water under water of moving under water under water of uncertain region Laser communication link is established between 200.It is established after laser communication link between first satellite 310 and the device 200 that moves under water under water Posture and position that the 2nd ATP device 210 determines the device 200 that moves under water under water can be based at least partially on.Preferably, according to true The posture and position of the posture of fixed aircraft 100 and position and/or the device 200 that moves under water under water, it is in aircraft 100 and latent under water Luggage is set and establishes laser communication link between 200, and the laser by establishing between aircraft 100 and the underwater device 200 that moves under water Communication link directly transmits data between aircraft 100 and the underwater device 200 that moves under water.
According to a preferred embodiment, attempted and the device 200 that moves under water under water in undefined position in aircraft 100 It establishes before communication, aircraft 100 can request the first satellite 310 in several satellites 300 to assist aircraft 100 and be in not Determine that the device 200 that moves under water under water of position establishes communication.First satellite 310 can in response to aircraft 100 request with bluish-green The laser acquisition mode of wave band of laser beam and the laser acoustic detection mode of infrared band laser beam detect be located at uncertain region simultaneously The device 200 that moves under water under water in domain is until receive the feedback information for carrying its scope of activities for the device 200 that moves under water under water.It is preferred that Ground, aircraft 200 can fly according to feedback information to the sky that can directly establish laser communication link with the device 200 that moves under water under water After middle region, aircraft 100 just emits laser beam and is directed toward the first satellite 310 with known location to request to establish aircraft 100 and the first laser communication link between satellite 310.
Word " module " as used herein describes any hardware, software or combination thereof, is able to carry out and " mould The associated function of block ".
It should be noted that above-mentioned specific embodiment is exemplary, those skilled in the art can disclose in the present invention Various solutions are found out under the inspiration of content, and these solutions also belong to disclosure of the invention range and fall into this hair Within bright protection scope.It will be understood by those skilled in the art that description of the invention and its attached drawing are illustrative and are not Constitute limitations on claims.Protection scope of the present invention is defined by the claims and their equivalents.

Claims (10)

1. a kind of satellite-based aerial-underwater communications system characterized by comprising the satellite of several satellite (300) compositions Communication network, aircraft (100) and move under water device (200) under water；
Aircraft (100) requests the first satellite (310) in several satellites (300) to assist aircraft (100) and be in uncertain Communication is established in move under water under water device (200) of position；
Laser mode and infrared band of first satellite (310) in response to the bluish-green wave band of laser beam of request of aircraft (100) The laser-induced sound mode synchronous scanning of laser beam is located at the underwater of uncertain region and moves under water device (200) to request its feedback activity Range is until receive the feedback information for carrying its scope of activities within a preset time for the device (200) that moves under water under water；
Aircraft (100) flies according to the feedback information to can directly establish laser communication chain with the device (200) that moves under water under water Behind the aerial region on road, aircraft (100) is attempted to establish laser communication with the device (200) that moves under water under water in scope of activities Link, and by aircraft (100) and the underwater laser communication link established between device (200) that moves under water in aircraft (100) And it is moved under water between device (200) under water and directly transmits data.
2. the system as claimed in claim 1, which is characterized in that aircraft (100) includes the first ATP device (110), underwater latent It includes the 2nd ATP device (210) that luggage, which sets (200),；
When aircraft (100) attempt to establish laser communication link with the device (200) that moves under water under water in scope of activities, fly Row device (100) transmitting laser beam, which is directed toward, has the first satellite (310) of known location to request to establish aircraft (100) and first Laser communication link between satellite (310), established between aircraft (100) and the first satellite (310) laser communication link it It is based at least partially on posture and position that the first ATP device (110) determines aircraft (100) afterwards；
Aircraft (100) flies to after can directly establish the aerial region of laser communication link with the device (200) that moves under water under water, the One satellite (310) again with the laser mode of bluish-green wave band of laser beam and the laser-induced sound mode of infrared band laser beam synchronize sweep It retouches and moves under water device (200) under water positioned at scope of activities to request to move under water between device (200) in the first satellite (310) with underwater Establish laser communication link；
It moves under water and is based at least partially on after establishing laser communication link between device (200) in the first satellite (310) and under water 2nd ATP device (210) determines posture and the position for the device (200) that moves under water under water；
According to the posture of determining aircraft (100) and position
And/or
Move under water under water device (200) posture and position, moving under water in aircraft (100) and under water, it is sharp to establish between device (200) Optical communication link, and by aircraft (100) and the underwater laser communication link established between device (200) that moves under water in aircraft (100) it and moves under water under water and directly transmits data between device (200).
3. the system as described in one of preceding claims, which is characterized in that in aircraft (100) and the underwater device that moves under water (200) it is established before laser communication link between, the posture of previously determined device that moves under water under water (200) and position but aircraft (100) in the case that posture and position has not determined, do not determine the aircraft (100) of posture and position towards have determined that posture and Device (200) transmitting laser beam flying of moving under water under water of position is to attempt to establish aircraft (100) and move under water device (200) under water Between laser communication link.
4. the system as described in one of preceding claims, which is characterized in that in the aircraft (100) for not determining posture and position Court has determined that move under water under water device (200) of posture and position emit laser beam to attempt to establish aircraft (100) and dive under water During luggage sets the laser communication link between (200), posture and the position of the aircraft (100) of posture and position are not determined The determination process set does not terminate until attempting to establish aircraft (100) and the underwater laser communication chain to move under water between device (200) Road is successful or the system determines the posture for the aircraft (100) for not determining posture and position and positions.
5. the system as described in one of preceding claims, which is characterized in that be based at least partially on the first ATP device (110) The processing of the posture and position that determine aircraft (100) includes: that the first satellite is obtained from almanac data and/or registration table (310) position obtains the speed and geo-location of aircraft (100), and obtain the observation of the first ATP device (110) first is defended The position of star (310), the flight of position, acquisition based on the first satellite (310) obtained from almanac data and/or registration table The position meter of the first satellite (310) of the first ATP device (110) observation of the speed and geo-location and acquisition of device (100) Calculate posture and the position of aircraft (100): and/or
It is based at least partially on the 2nd ATP device (210) and determines move under water the under water posture of device (200) and the processing packet of position It includes: obtaining the position of the first satellite (310) from almanac data and/or registration table, obtain the speed for device (200) of moving under water under water And geo-location, obtain the position of the first satellite (310) of the 2nd ATP device (210) observation, based on from almanac data and/or The position of the first satellite (310) obtained in registration table, the speed of the device (200) that moves under water under water obtained and geo-location and Obtain the 2nd ATP device (210) observation the first satellite (310) position calculate under water move under water device (200) posture and Position.
6. the system as described in one of preceding claims, which is characterized in that in aircraft (100) and the underwater device that moves under water (200) it is successfully established before laser communication link between, by using the first ATP device (110) and the 3rd ATP device (120) Establish the absolute pose of aircraft (100) and towards the absolute direction for the device (200) that moves under water under water to compensate aircraft (100) hair The beam drift for the laser beam penetrated；And/or
It is moved under water before being successfully established laser communication link between device (200) in aircraft (100) and under water, by using second ATP device (210) and the 4th ATP device (220) establish the absolute pose for the device (200) that moves under water under water and towards aircraft (100) absolute direction sets the beam drift of the laser beam of (100) transmitting with compensation water dive luggage.
7. the system as described in one of preceding claims, which is characterized in that in the bluish-green wave band of laser beam of the first satellite (310) The laser acoustic detection mode synchronous scanning of laser acquisition mode and infrared band laser beam be located at uncertain region or activity Range under water move under water device (200) when, the first satellite (310) can also call at least one of several satellites (300) to defend The laser acoustic detection mode synchronous scanning of the star laser acquisition mode of bluish-green wave band of laser beam and infrared band laser beam is located at Move under water under water device (200), and at least one satellite in several satellites (300) of uncertain region or scope of activities The first satellite (310) are notified when the feedback information for receiving device (200) of moving under water under water.
8. the system as described in one of preceding claims, which is characterized in that in aircraft (100) and the underwater device that moves under water (200) it is established after laser communication link between, the first satellite (310) is kept and aircraft (100) and/or the device that moves under water under water (200) laser communication link established between is until aircraft (100) and the underwater data moved under water between device (200) transfer At, and the first satellite (310) identification aircraft (100) and the underwater laser communication link established between device (200) that moves under water Link state and by the laser communication link transmit data transmission state, transmission state be unfinished state and chain In the case that line state is down state, the first satellite (310) is sent to aircraft (100) and underwater move under water device (200) The request for assisting transmission data receives the first satellite (310) transmission in aircraft (100) and the underwater device (200) that moves under water After the request for assisting transmission data, aircraft (100) and underwater move under water device (200) are defended by aircraft (100) and first The laser communication chain of laser communication link and the first satellite (310) and device (200) foundation of moving under water under water that star (310) is established Road indirect communication data.
9. the system as described in one of preceding claims, which is characterized in that in aircraft (100) and the underwater device that moves under water (200) by aircraft (100) and the underwater laser communication link established between device (200) that moves under water directly transmit data it When, data are transmitted using plain code or use the first Encryption Algorithm encrypted transmission data；And/or
In aircraft (100) and the underwater laser of device (200) by aircraft (100) and the first satellite (310) foundation that moves under water Communication link and the first satellite (310) and under water move under water device (200) foundation laser communication link indirect communication data it When, using the second Encryption Algorithm encrypted transmission data for being different from the first Encryption Algorithm；
Wherein, the code key for the first Encryption Algorithm of encryption data and/or the second Encryption Algorithm is in aircraft (100) and underwater It moves under water when the link state of the laser communication link established between device (200) is available mode and directly passes through aircraft (100) And move under water what the laser communication link established between device (200) directly transmitted under water.
10. the system as described in one of preceding claims, which is characterized in that in aircraft (100) and the underwater device that moves under water (200) it is established between after laser communication link and before the data that transmission is to be encrypted, aircraft (100) and the device that moves under water under water (200) it needs to carry out code key generating process and code key transmission process；
Wherein, code key generating process includes: that aircraft (100) or the device that moves under water under water (200) are generated and calculated for the first encryption The symmetrical code key of method, aircraft (100) generate the first asymmetric code key for being used for the second Encryption Algorithm, and move under water device under water (200) the second asymmetric code key for being used for the second Encryption Algorithm is generated, the first asymmetric code key includes that the first public key and first are private Key, the second asymmetric code key include the second public key and the second private key；
Code key transmission process includes: that the symmetrical code key of generation is passed through flight by aircraft (100) or the device that moves under water under water (200) It device (100) and moves under water under water and establishes laser communication link between device (200) and be transferred to move under water under water device (200) or flight Device (100), aircraft (100) establish the first public key of generation between device (200) by aircraft (100) and underwater move under water Laser communication link is transferred to move under water device (200) under water, and the second public key of generation is passed through flight by the device (200) that moves under water under water It device (100) and moves under water under water and establishes laser communication link between device (200) and be transferred to aircraft (100).
CN201811317264.4A 2018-11-07 2018-11-07 Aerial-underwater communication system based on satellite Active CN109525302B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201811317264.4A CN109525302B (en) 2018-11-07 2018-11-07 Aerial-underwater communication system based on satellite
CN202110226991.5A CN112953620B (en) 2018-11-07 2018-11-07 Laser communication system based on satellite
CN202110226417.XA CN112865857B (en) 2018-11-07 2018-11-07 Laser communication system based on air-underwater scene

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811317264.4A CN109525302B (en) 2018-11-07 2018-11-07 Aerial-underwater communication system based on satellite

Related Child Applications (2)

Application Number Title Priority Date Filing Date
CN202110226417.XA Division CN112865857B (en) 2018-11-07 2018-11-07 Laser communication system based on air-underwater scene
CN202110226991.5A Division CN112953620B (en) 2018-11-07 2018-11-07 Laser communication system based on satellite

Publications (2)

Publication Number Publication Date
CN109525302A true CN109525302A (en) 2019-03-26
CN109525302B CN109525302B (en) 2021-04-13

Family

ID=65773560

Family Applications (3)

Application Number Title Priority Date Filing Date
CN201811317264.4A Active CN109525302B (en) 2018-11-07 2018-11-07 Aerial-underwater communication system based on satellite
CN202110226991.5A Active CN112953620B (en) 2018-11-07 2018-11-07 Laser communication system based on satellite
CN202110226417.XA Active CN112865857B (en) 2018-11-07 2018-11-07 Laser communication system based on air-underwater scene

Family Applications After (2)

Application Number Title Priority Date Filing Date
CN202110226991.5A Active CN112953620B (en) 2018-11-07 2018-11-07 Laser communication system based on satellite
CN202110226417.XA Active CN112865857B (en) 2018-11-07 2018-11-07 Laser communication system based on air-underwater scene

Country Status (1)

Country Link
CN (3) CN109525302B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111092662A (en) * 2019-11-28 2020-05-01 天津津航技术物理研究所 Cross-medium high-speed laser communication instrument
CN111273326A (en) * 2020-02-28 2020-06-12 南京航空航天大学 A low-orbit sparse constellation-based blue-green laser high-precision positioning method for submarines
CN113840263A (en) * 2020-06-24 2021-12-24 上海诺基亚贝尔股份有限公司 Communication method and device for diving equipment assisted by base station and flying equipment
CN114614896A (en) * 2020-12-08 2022-06-10 军事科学院系统工程研究院网络信息研究所 Underwater machine fixed platform photoacoustic efficiency enhanced bidirectional communication method
CN114629565A (en) * 2020-12-08 2022-06-14 军事科学院系统工程研究院网络信息研究所 Underwater maneuvering platform photoacoustic interconnection efficiency enhanced bidirectional communication method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113992270B (en) * 2021-09-28 2023-03-10 北京极光星通科技有限公司 Sea-air-sky integrated laser communication method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1830723A (en) * 2005-03-07 2006-09-13 甘勃 Lift-out observation device observing water state by underwater submarine
CN1988432A (en) * 2006-12-27 2007-06-27 中国科学院上海光学精密机械研究所 Full-digital space optical communication array signal diversity receiving system
GB2466838A (en) * 2008-01-14 2010-07-14 Wireless Fibre Systems Ltd Communication between submerged station and airborne vehicle.
CN104283935A (en) * 2013-07-09 2015-01-14 上海海事大学 A marine internet system and method thereof
CN107508649A (en) * 2017-07-06 2017-12-22 桂林电子科技大学 A kind of underwater laser time dissemination system and method based on the Big Dipper
CN107719673A (en) * 2013-07-31 2018-02-23 深圳市大疆创新科技有限公司 Long-range control method and terminal
CN108216492A (en) * 2017-12-22 2018-06-29 国家海洋局第海洋研究所 A kind of high-precision subsurface buoy array 1 system for realizing oceanographic data area monitoring

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6437890B1 (en) * 1999-03-29 2002-08-20 The United States Of America As Represented By The Secretary Of The Navy Laser communications link
US7023996B2 (en) * 2001-05-04 2006-04-04 The Boeing Company Encryption for asymmetric data links
CN102624463B (en) * 2011-01-26 2016-05-11 北京国科环宇空间技术有限公司 In latent communication, set up the method and system of communication link
CN202563095U (en) * 2012-03-14 2012-11-28 桂林电子科技大学 Underwater vehicle positioning system based on GNSS satellite
CN102932150B (en) * 2012-10-25 2015-06-17 内蒙古大学 DTN (Delay Tolerant Network)-based security mechanism management method for interactive satellite remote education system
CN103117796B (en) * 2013-01-25 2015-07-22 西安空间无线电技术研究所 Relay retransmission device and relay retransmission method for satellite radio frequency and optical fiber signal transmission data
WO2018172776A1 (en) * 2017-03-23 2018-09-27 Taberner Neil Secure transfer of data between internet of things devices
CN107576328B (en) * 2017-08-22 2020-05-01 西北工业大学 A water surface automatic tracking monitoring system for underwater vehicle
CN107707297A (en) * 2017-11-03 2018-02-16 潘运滨 A kind of airborne laser communication system and its communication means

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1830723A (en) * 2005-03-07 2006-09-13 甘勃 Lift-out observation device observing water state by underwater submarine
CN1988432A (en) * 2006-12-27 2007-06-27 中国科学院上海光学精密机械研究所 Full-digital space optical communication array signal diversity receiving system
GB2466838A (en) * 2008-01-14 2010-07-14 Wireless Fibre Systems Ltd Communication between submerged station and airborne vehicle.
CN104283935A (en) * 2013-07-09 2015-01-14 上海海事大学 A marine internet system and method thereof
CN107719673A (en) * 2013-07-31 2018-02-23 深圳市大疆创新科技有限公司 Long-range control method and terminal
CN107508649A (en) * 2017-07-06 2017-12-22 桂林电子科技大学 A kind of underwater laser time dissemination system and method based on the Big Dipper
CN108216492A (en) * 2017-12-22 2018-06-29 国家海洋局第海洋研究所 A kind of high-precision subsurface buoy array 1 system for realizing oceanographic data area monitoring

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111092662A (en) * 2019-11-28 2020-05-01 天津津航技术物理研究所 Cross-medium high-speed laser communication instrument
CN111273326A (en) * 2020-02-28 2020-06-12 南京航空航天大学 A low-orbit sparse constellation-based blue-green laser high-precision positioning method for submarines
CN111273326B (en) * 2020-02-28 2023-05-23 南京航空航天大学 High-precision positioning method of blue-green laser on submarine based on low-orbit sparse constellation
CN113840263A (en) * 2020-06-24 2021-12-24 上海诺基亚贝尔股份有限公司 Communication method and device for diving equipment assisted by base station and flying equipment
CN113840263B (en) * 2020-06-24 2023-10-13 上海诺基亚贝尔股份有限公司 Communication method and device for diving equipment assisted by base station and flying equipment
CN114614896A (en) * 2020-12-08 2022-06-10 军事科学院系统工程研究院网络信息研究所 Underwater machine fixed platform photoacoustic efficiency enhanced bidirectional communication method
CN114629565A (en) * 2020-12-08 2022-06-14 军事科学院系统工程研究院网络信息研究所 Underwater maneuvering platform photoacoustic interconnection efficiency enhanced bidirectional communication method

Also Published As

Publication number Publication date
CN109525302B (en) 2021-04-13
CN112953620B (en) 2022-04-15
CN112865857A (en) 2021-05-28
CN112953620A (en) 2021-06-11
CN112865857B (en) 2022-07-29

Similar Documents

Publication Publication Date Title
CN109525302A (en) A kind of satellite-based aerial-underwater communications system
CN109698721A (en) A kind of satellite laser communications system
Kaushal et al. Applications of lasers for tactical military operations
US4764982A (en) Secure communication system
EP2641355B1 (en) Spot beam based authentication of a satellite receiver
CN111162903B (en) Free space quantum key distribution system and method for aircraft
CN110308464A (en) A GPS spoofing detection method for drones
Abdrabou et al. Authentication for satellite communication systems using physical characteristics
CN104160673A (en) Secure routing based on degree of trust
CN109581424A (en) The low slow Small object navigation deception device of one kind and method
Huang et al. Monte Carlo based channel characteristics for underwater optical wireless communications
Huang et al. Navigation of a UAV team for collaborative eavesdropping on multiple ground transmitters
Zhang et al. Passive maritime surveillance based on low earth orbit satellite constellations
US4664518A (en) Secure communication system
WO2022084678A1 (en) Aerial platforms based quantum communication
CN109495175A (en) A kind of satellite-based laser communication system
Enhos et al. Breaking through the air-water interface with software-defined visible light networking
Fan et al. A secure localization scheme for uwsns based on auv formation cooperative beamforming
CN109787687A (en) A kind of portable receiver based on Intersatellite Optical Communication System
JP2019220762A (en) Secret key sharing system and secret key sharing method
Khanna et al. Laser technology improving wireless communication: a comprehensive study on laser communicator
Jedermann et al. {RECORD}: A {RECeption-Only} Region Determination Attack on {LEO} Satellite Users
RU2554090C1 (en) Method of protection of spacecraft command-and-measurement system
Guan et al. Localization deception approach using frequency diverse array against bi-satellite positioning reconnaissance
Baker et al. Cyber Security Advantages of Optical Communications in SATCOM Networks

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant