CN203104798U - A wireless ad hoc communication system - Google Patents
A wireless ad hoc communication system Download PDFInfo
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- CN203104798U CN203104798U CN201220737995.6U CN201220737995U CN203104798U CN 203104798 U CN203104798 U CN 203104798U CN 201220737995 U CN201220737995 U CN 201220737995U CN 203104798 U CN203104798 U CN 203104798U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model discloses a wireless self-organizing communication system, which consists of at least two communication terminals, wherein every adjacent communication terminals are connected with each other through a wireless network; the communication terminals comprise any one or a combination of a handheld voice terminal, a handheld data terminal and a vehicle-mounted terminal; the communication terminals can be taken as hosts as well routers; and the communication terminals are used for hosting received information, and grouping and forwarding information which does not belongs to own groups. The wireless self-organizing communication system has very high destroy resistance, and is low in costs on establishment, extension, maintenance and application; moreover, the wireless self-organizing communication system has high environmental adaptability, can access to a relay for expanding a network coverage range, and can be communicated with the Extranet to obtain plenty of data services; and data transmission of the system has characteristics of high rate, large bandwidth, small time delay, wide network coverage range and the like.
Description
Technical field
The utility model relates to a kind of wireless self-assembly system.
Background technology
Along with the develop rapidly of science and technology, the continuous propelling of information age, means of communication is also to diversified development.But still there are some drawbacks in the means of communication that generally adopts of people in fact, at present.Be the deficiency and the shortcoming of present several means of communication of generally using and their existence below:
(1) cellular mobile communication networks
1. rely on infrastructure: need between the portable terminal could realize communication by fixed base stations, the base station links to each other with key switching network by Wireline, has increased communications cost;
2. portable terminal does not possess routing function, and portable terminal can only carry out data transmit-receive by fixed base stations, uses constraint bigger;
3. star topology, certain bar link breaks down, and service on a large scale will be interrupted, and the network survivability is poor;
4. build, expansion, maintenance cost height;
Message transmission rate can reach 2Mbit/s when 5. portable terminal was static, but message transmission rate has only 144kbit/s during the portable terminal high-speed mobile.
(2) trunked communication system
1. similar with cellular mobile communication networks, belong to the network that connection is arranged, rely on infrastructure;
2. generally be dedicated network, based on speech business.
(3) WLAN (wireless local area network) WLAN
1. mobile node is equipped with wireless network card, is connected with fixed network by the AP access point, depends on the existing network infrastructure of similar base station or access point;
2. concerning network layer, be single-hop networks, can not transmit data;
3. can realize high-speed communication (802.11b:11M or 802.11a:54M) in the limited coverage (hundreds of rice), but coverage is comparatively limited.
(4) VSAT satellite communication system
1. coverage is the widest, but the cost height, transmission bandwidth is limited, transmission delay is big.
(5) communication in moving
1. rely on satellite, when rainy day or cloud layer are thick and heavy, or just lost efficacy easily, communication failure occurs in the place that particular surroundings and existence are blocked;
2. antenna is too heavy, uses and carries all very inconveniently, must be placed on the mobile devices such as automobile, steamer;
3. have the star process of seeking of one period long period, can't drop into application fast, the use of a lot of occasions all is restricted.
In sum, present existing communication network mostly is based on the reliable and stable communications infrastructure, in case these communications infrastructures are destroyed, conventional means of communication is all no longer feasible.And often be exactly in such, keeping reliably, communication seems particularly important.Trunked communication system also has considerable restraint on the network bandwidth except relying on infrastructure, use the arrowband technology more, and about bandwidth 30K, about message transmission rate 16Kbps, this just makes its data transmission capabilities limited greatly.Therefore, under some special occasions, existing means of communication can't satisfy the demand of communication, and maximum problem is exactly that survival ability is too poor, is destroyed fast easily.
The utility model content
The purpose of this utility model is to solve the deficiencies in the prior art, and a kind of basic communications facility, survivability is good, communications cost is low wireless self-assembly system based on the Mesh network of not relying on is provided.
The purpose of this utility model is achieved through the following technical solutions: a kind of wireless self-assembly system, it is made up of at least two communication terminals, connect by wireless network between each adjacent communication terminal, communication terminal comprises any one or multiple combination of hand-held voice terminal, hand-held data terminal and car-mounted terminal;
Hand-held voice terminal comprises that microcontroller, signal receive transtation mission circuit, conversation typing unit, Routing Protocol control unit and GPS positioning unit, conversation typing unit comprises voice acquisition module and analog to digital converter, signal receives transtation mission circuit, Routing Protocol control unit and GPS positioning unit and is connected with microcontroller respectively, the output of voice acquisition module is connected with the input of analog to digital converter, and the output of analog to digital converter is connected with microcontroller; Hand-held voice terminal is based on speech business, has certain its communication ability, itself can use the information mode Data transmission, and the message transmission rate of single-hop can reach 400KBPS, can as required the positional information of being obtained by the GPS positioning unit be beamed back command centre or same group membership simultaneously.
Hand-held data terminal comprises that microcontroller, signal receive transtation mission circuit, conversation typing unit, Routing Protocol control unit, GPS positioning unit, network card chip and USB interface, conversation typing unit comprises voice acquisition module and analog to digital converter, voice acquisition module is connected with microcontroller by analog to digital converter, and signal reception transtation mission circuit, Routing Protocol control unit, GPS positioning unit, network card chip are connected with microcontroller respectively with USB interface; Hand-held data terminal is on the basis of realizing speech business, stronger data service fulfillment capability is arranged, need not by PC, data terminal itself have speech pattern and two kinds of mode of operations of data pattern, can carry out a key between the voice-and-data pattern and switch, use very convenient.Be defaulted as data pattern under the normality, when receiving voice conversation, pop-up window is selected whether switch to speech pattern and is answered automatically; When needs are initiated caller, only need press the handoff functionality key and can switch to speech pattern from data pattern and dial.
Car-mounted terminal comprises that microcontroller, signal receive transtation mission circuit, Routing Protocol control unit, GPS positioning unit, network card chip, hand miaow, touch-screen and supply module, signal reception transtation mission circuit, Routing Protocol control unit, GPS positioning unit, network card chip, hand miaow are connected with microcontroller respectively with touch-screen, the input of supply module is connected with cigar lighter, and the output of supply module is connected with the power end of microcontroller.Car-mounted terminal can be realized all functions of hand-held data terminal, and adopts touch-screen and hand miaow, operates and uses more convenient.
The utility model comprises the gateway that connects wireless self-assembly system and outer net, described gateway comprises wireless self-assembly fidonetFido controller, central processing unit and outer net protocol controller, and the wireless self-assembly network interface is connected with outer network interface with the outer net protocol controller by wireless self-assembly fidonetFido controller, central processing unit successively.
The utility model comprises the repeater of being located between the communication terminal, and the output of communication terminal transmitter is connected by the input of repeater with the communication terminal receiver; Described repeater comprises processor, signal receiving unit, the signal data copied cells, the signal screening unit, signal adjustment unit, signal transmitting unit, anti-lightning strike surge unit, voltage regulation unit and temperature control unit, signal receiving unit, the signal data copied cells, the signal screening unit, signal adjustment unit, signal amplification unit, signal transmitting unit, anti-lightning strike surge unit, voltage regulation unit is connected with processor respectively with temperature control unit, and signal adjustment unit comprises filter circuit, the signal attenuation compensating circuit, signal error correction circuit and signal amplification circuit.
The utility model comprises the repeater of being located between the communication terminal, the output of communication terminal transmitter is connected by the input of cordless communication network with first repeater, the output of first repeater is connected with the input of terminal repeater by each intermediate repeater successively, and the output of terminal repeater is connected by the input of cordless communication network with the communication terminal receiver.
Car-mounted terminal supply module described in the utility model comprises cigar lighter, power supply switch circuit, charging chip and reserve battery, the output of cigar lighter is connected with the input of power supply switch circuit, one tunnel output of power supply switch circuit directly is connected with circuit load, another road output is connected with the input of charging chip, the output of charging chip is connected with the input of reserve battery, and the output of reserve battery is connected with circuit load.
The beneficial effects of the utility model are:
1) no center: the status of all nodes all is an equality in the MANET, it is a peer to peer network, node can add and deviated from network at any time, when arbitrary relay nodes disconnects, automatically communication terminal or the repeater of seeking minimum distance remedy, the fault of any node can not influence the normal operation of whole network, has very strong survivability.
2) self-organizing: the cloth of network is if launch to need not to rely on any default basic communications facility, just can form an independently network expansion communication work after the node start quickly and automatically, communication efficiency is high and cost construction, expansion, maintenance and use is low.
3) multi-hop route: when node will communicate with the node outside its coverage, can transmit and to realize by the multi-hop of intermediate node (communication terminal or repeater).
4) dynamic topology: the wireless self-assembly system allows the topological structure of dynamic change oneself, and topology of networks can constantly change along with the variation of handheld terminal to adapt to the conversation needs.
5) smart terminal: communication terminal is portable hand-held machine or vehicle-mounted machine, carries with easy to use; For conserve energy, each communication terminal can be selected best working method automatically, and it is only kept in touch to reduce the energy consumption of communicating by letter with nearest node.
6) communication quality: it is strong that MANET has adaptive capacity to environment, and can communicate by letter with outer net, obtains the rich data business; Characteristics such as its transfer of data has the speed height, bandwidth is wide, time-delay is little and network coverage is wide.
Description of drawings
Fig. 1 is the utility model wireless self-assembly system configuration schematic block diagram;
Fig. 2 forms the structural representation block diagram for the utility model gateway;
Fig. 3 forms the structural representation block diagram for the utility model repeater;
Fig. 4 forms the structural representation block diagram for the hand-held voice terminal of the utility model;
Fig. 5 forms the structural representation block diagram for the hand-held data terminal of the utility model;
Fig. 6 forms the structural representation block diagram for the utility model car-mounted terminal;
Fig. 7 is that the utility model car-mounted terminal supply module is formed the structural representation block diagram.
Embodiment
Further describe the technical solution of the utility model below in conjunction with accompanying drawing:
As shown in Figure 1, a kind of wireless self-assembly system, it is made up of at least two communication terminals, connects by wireless network between each adjacent communication terminal, and communication terminal comprises any one or multiple combination of hand-held voice terminal, hand-held data terminal and car-mounted terminal.
When needs link with existing mobile communications network, just need to settle gateway device, gateway plays the effect of bridge between two different communication systems, make them can set up unobstructed service channel.
As shown in Figure 2, the wireless self-assembly system is connected with outer net by gateway, described gateway comprises wireless self-assembly fidonetFido controller, central processing unit and outer net protocol controller, and the wireless self-assembly network interface is connected with outer network interface with the outer net protocol controller by wireless self-assembly fidonetFido controller, central processing unit successively.
Gateway is when work, at first the data that received by the external network interface of outer net protocol controller are decoded, and will be converted to from the serial data of outer net interface and line output after transfer to central processing unit, in decode procedure, the data that the also external network interface of outer net protocol controller transmits are carried out CRC, to guarantee the accuracy of data.After central processing unit receives the outer net data that the outer net protocol controller transmits, be converted into the data that meet the wireless self-networking agreement, be sent to wireless self-assembly fidonetFido controller, by wireless self-assembly fidonetFido controller data are encoded, and the data after will encoding are sent to the wireless self-assembly network interface; In decode procedure, wireless self-assembly fidonetFido controller also carries out CRC to the data that central processing unit transmits, to guarantee the accuracy of data.
In order to improve the reliability of gateway, to be convenient to the technical staff simultaneously and to keep in repair and debug, protocol controller can adopt the field programmable gate array circuit to realize.In the course of the work, whenever gateway powers on, central processing unit just carries out initialization operation: the messaging parameter that the technical staff is stored in advance sends to protocol controller, and messaging parameter mainly comprises port address, device address, refresh time and communication frequency etc.; The technical staff also can reset messaging parameter by the equipment that is connected with central processing unit.
Many when terminal, disperse extensively, when needing the zone of communication big, just need install repeater additional in the communication system, repeater is a powerful relay transmitting device, can enlarge the communication distance of MANET significantly.
As shown in Figure 3, the wireless self-assembly system also comprises the repeater of being located between the communication terminal, and the output of communication terminal transmitter is connected by the input of repeater with the communication terminal receiver; Described repeater comprises processor, signal receiving unit, the signal data copied cells, the signal screening unit, signal adjustment unit, signal transmitting unit, anti-lightning strike surge unit, voltage regulation unit and temperature control unit, signal receiving unit, the signal data copied cells, the signal screening unit, signal adjustment unit, signal amplification unit, signal transmitting unit, anti-lightning strike surge unit, voltage regulation unit is connected with processor respectively with temperature control unit, and signal adjustment unit comprises filter circuit, the signal attenuation compensating circuit, signal error correction circuit and signal amplification circuit.
Wherein, processor is the core of repeater, finishes the processing capacity that data owner is wanted; Signal receiving unit is used for the received signal data, and it is carried out being forwarded to processor after the AD conversion; The signal data copied cells is finished the duplicating of received data, and the storage after duplicating is in memory; Repeater screens by the signal data of signal screening unit to the band numbering as required, and optionally the data that terminal is needed are transmitted; Because repeater often need expose to the open air in outdoor application for a long time, often be struck by lightning at thunderstorm weather and caused the situations such as overvoltage short circuit of repeater internal circuit, repeater is easy to impaired, repeater safe in utilization under thunderstorm weather can effectively be protected in anti-lightning strike surge unit, over-and under-voltage protection of circuit internally of voltage regulation unit and temperature control unit and the internal circuit that temperature controlled angle has been protected repeater have prolonged useful life of repeater; Filter circuit in the signal adjustment unit, signal attenuation compensating circuit, signal error correction circuit and signal amplification circuit have been finished functions such as error correcting in signal noise filtering, attenuation compensation, the transmission and signal gain amplifier respectively, guaranteed the quality of signal, improved communication quality by the repeater transmission.
When carrying out transition and transmit by a plurality of repeaters between the communication terminal, the wireless self-assembly system comprises the repeater of being located between the communication terminal, the output of communication terminal transmitter is connected by the input of cordless communication network with first repeater, the output of first repeater is connected with the input of terminal repeater by each intermediate repeater successively, and the output of terminal repeater is connected by the input of cordless communication network with the communication terminal receiver.
In actual networking was used, not all equipment all can be used, and according to network size size and practical application request, the selection of equipment and network configuration have very big flexibility.
As shown in Figure 4, described hand-held voice terminal comprises that microcontroller, signal receive transtation mission circuit, conversation typing unit, Routing Protocol control unit and GPS positioning unit, conversation typing unit comprises voice acquisition module and analog to digital converter, signal receives transtation mission circuit, Routing Protocol control unit and GPS positioning unit and is connected with microcontroller respectively, the output of voice acquisition module is connected with the input of analog to digital converter, and the output of analog to digital converter is connected with microcontroller.Hand-held voice terminal has certain its communication ability based on speech business.Hand-held voice terminal itself can be used the information mode Data transmission, and the message transmission rate of single-hop also can be beamed back command centre or member on the same group with the GPS positioning position information of oneself simultaneously as requested at 400Kbps.
As shown in Figure 5, described hand-held data terminal comprises that microcontroller, signal receive transtation mission circuit, conversation typing unit, Routing Protocol control unit, GPS positioning unit, network card chip and USB interface, conversation typing unit comprises voice acquisition module and analog to digital converter, voice acquisition module is connected with microcontroller by analog to digital converter, and signal reception transtation mission circuit, Routing Protocol control unit, GPS positioning unit, network card chip are connected with microcontroller respectively with USB interface.Hand-held data terminal is on the basis of realizing speech business, and is more powerful to the realization function of data business, need not the machine by PC, and terminal itself is operated in two kinds of patterns, can carry out a key and switch between speech pattern and data pattern.Normality is defaulted as data pattern, and if any the voice calling, the automatic pop-up window of meeting is selected whether switch to speech pattern and answered.If the initiation caller also only needs can switch to speech pattern from data pattern and dial by a function key.Handheld terminal all has special energy conservation software, and saves energy to greatest extent increases useful life of battery.
As shown in Figure 6, described car-mounted terminal comprises that microcontroller, signal receive transtation mission circuit, Routing Protocol control unit, GPS positioning unit, network card chip, hand miaow, touch-screen and supply module, signal reception transtation mission circuit, Routing Protocol control unit, GPS positioning unit, network card chip, hand miaow are connected with microcontroller respectively with touch-screen, the input of supply module is connected with cigar lighter, and the output of supply module is connected with the power end of microcontroller.
As shown in Figure 7, the car-mounted terminal supply module comprises cigar lighter, power supply switch circuit, charging chip and reserve battery, the output of cigar lighter is connected with the input of power supply switch circuit, one tunnel output of power supply switch circuit directly is connected with circuit load, another road output is connected with the input of charging chip, the output of charging chip is connected with the input of reserve battery, and the output of reserve battery is connected with circuit load.When vehicle launch, the terminal Auto Power On; When vehicle was flame-out, whether terminal notifying " whether externally fed interrupts, and is in the internal cell power supply state at present, shut down " was selected to shut down by operating personnel, and unattended as a period of time, system is shutdown automatically.In addition, have dissimilar ferry buses, so car-mounted terminal disposes 24V and changes the power supply adaptor that 5V and 12V change two types of 5V according to level ground, station, present airport.
The provisional autonomous system of the multi-hop that this MANET is made up of one group of mobile node that has a wireless transmitter.At any one time, be connected to form any fully connected topology by wireless channel between node, node can move arbitrarily, can cause topological structure also to change thereupon.MANET can independently move under the environment, also can be connected on the existing network infrastructure by gateway.In MANET, communication terminal has main frame and two kinds of roles of router concurrently: on the one hand, communication terminal is as the relevant application program of main frame operation; On the other hand, communication terminal need move relevant Routing Protocol as router, and then common routing operations such as route discovery, route maintenance.To the information host who receives, the message of to one's name not dividing into groups is carried out packet forward.Because MANET is the mobile radio network of a multi-hop, so want the main frame of exchange message in communication zone, just can not directly not communicate for two, but they can pass through other main frame in communication zone, adopt the mode of refile (multi-hop technology) also can finish communication task smoothly.
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| CN201220737995.6U CN203104798U (en) | 2012-12-28 | 2012-12-28 | A wireless ad hoc communication system |
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| CN201220737995.6U CN203104798U (en) | 2012-12-28 | 2012-12-28 | A wireless ad hoc communication system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103052174A (en) * | 2012-12-28 | 2013-04-17 | 成都泰格微波技术股份有限公司 | Wireless self-organizing communication system |
| CN103052051A (en) * | 2012-12-28 | 2013-04-17 | 成都泰格微电子研究所有限责任公司 | Wireless self-organizing communication system and communication method thereof |
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2012
- 2012-12-28 CN CN201220737995.6U patent/CN203104798U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103052174A (en) * | 2012-12-28 | 2013-04-17 | 成都泰格微波技术股份有限公司 | Wireless self-organizing communication system |
| CN103052051A (en) * | 2012-12-28 | 2013-04-17 | 成都泰格微电子研究所有限责任公司 | Wireless self-organizing communication system and communication method thereof |
| CN103052174B (en) * | 2012-12-28 | 2015-12-23 | 成都泰格微波技术股份有限公司 | A kind of wireless self-assembly system |
| CN103052051B (en) * | 2012-12-28 | 2016-04-13 | 成都泰格微电子研究所有限责任公司 | A kind of communication means of wireless self-assembly system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20211228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |