CN109460952B - Heterogeneous network convergence communication device and communication method for emergency logistics - Google Patents
Heterogeneous network convergence communication device and communication method for emergency logistics Download PDFInfo
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Abstract
本发明提供用于应急物流的异构网络融合通信装置及通信方法。该装置包括融合服务管理系统和异构网络通信模块；融合服务管理系统包括：多源信息接入系统，通过通信收发模块完成不同协议的通信网络接入，并将接收到的不同通信网络的数据按规定定义标识添加包头信息，组成新的数据帧格式发送；协议提取转换系统，根据接收的数据流的包头标识提取协议池中映射的通信协议，对数据流解析，并将解析后的数据转换成IP数据包进行交互传输；网络管理系统完成融合网络的资源分配、QoS服务、接入网络管理和告警；业务服务系统提供音视频、数据的一种或多种业务通信服务。能够在复杂网络环境最大程度利用通信资源，解决数据源单一、各通信网络相互独立的问题。
The present invention provides a heterogeneous network fusion communication device and a communication method for emergency logistics. The device includes a fusion service management system and a heterogeneous network communication module; the fusion service management system includes: a multi-source information access system, which completes the communication network access of different protocols through the communication transceiver module, and converts the received data of different communication networks. Add packet header information according to the specified definition identifier to form a new data frame format for transmission; the protocol extraction and conversion system extracts the communication protocol mapped in the protocol pool according to the packet header identifier of the received data stream, parses the data stream, and converts the parsed data The network management system completes the resource allocation, QoS service, access network management and alarming of the converged network; the business service system provides one or more business communication services of audio, video and data. It can maximize the use of communication resources in a complex network environment, and solve the problems of single data source and independent communication networks.
Description
Technical Field
The invention relates to the field of communication, in particular to a heterogeneous network convergence communication device for emergency logistics.
Background
Various large-scale extreme and sudden events, natural disasters and industrial accidents bring great challenges to logistics disaster relief of emergency systems.
Various information and data are basic constituent elements and important bases for the operation of the emergency logistics system, the current main emergency communication modes comprise wireless trunking communication, Beidou communication and satellite communication, the communication mode and the technology are relatively perfect, but various communication modes are applied in respective networking modes to form independent networks and systems. Therefore, the method has the defects of complex overall system construction, insufficient data acquisition, scattered information and incomplete material demand prediction.
Heterogeneous networks are one type of network, consisting of computers, network devices and systems produced by different manufacturers, capable of running on different protocols to support different functions or applications. In the prior art, existing heterogeneous network convergence technologies are mostly based on convergence of the internet and a 3G communication network, or convergence of application platform systems in the same network. However, such network convergence technology cannot be applied to communication systems to build complex environments, such as disaster sites; the technical problems of insufficient data acquisition of disaster sites, dispersed and diverse information and large difference of network resource allocation emergency degree cannot be solved.
Therefore, a heterogeneous network convergence technology integrating multiple heterogeneous networks into one, which can be used for emergency logistics, is needed to enable communication network signals of different types and different protocols to be communicated in a convergence processing and protocol conversion mode, so that communication barriers are broken through from a network layer, and multi-network convergence integrated communication is realized.
Disclosure of Invention
The invention is provided in view of the problems in the prior art, and aims to provide a heterogeneous network convergence communication device for emergency logistics, which integrates five networks of Beidou communication, 4G cluster, single armed force transmission, unmanned aerial vehicle data link and satellite communication, provides timely and effective data support for rapidly realizing material allocation and rescue treatment for an emergency logistics center, and solves the problems that the disaster site data source is single, the site communication networks are independent from each other, and the multi-network communication management means is lack in the emergency logistics process at the present stage.
Another object of the present invention is to provide a lightweight, portable, and convenient heterogeneous network convergence communication device for emergency logistics.
In order to achieve the above technical object, the present invention provides the following technical solutions.
(1) A heterogeneous network convergence communication device for emergency logistics comprises a convergence service management system and a heterogeneous network communication module; the fusion service management system comprises a multi-source information access system, a protocol extraction and conversion system, a network management system and a business service system;
the multi-source information access system completes communication network access functions of different protocol systems through matched communication transceiving modules, the communication networks comprise a Beidou network, an unmanned aerial vehicle communication network, an individual image transmission network and a 4G cluster network, and the multi-source information access system adds packet header information to received data from different communication networks according to specified definition marks to form a new data frame format and sends the new data frame format to the protocol extraction and conversion system;
the protocol extraction and conversion system extracts the communication protocol mapped in the protocol pool according to the packet head identification of the received data stream, realizes the information analysis of the data stream, converts the analyzed data into an IP data packet for interactive transmission, and realizes the interconnection of communication networks with completely different link layer and physical layer protocols at a network layer;
the network management system completes resource allocation management, QoS service management, access network management and alarm management of the converged network;
the business service system provides business communication services, and the business comprises one or more of voice business, video business and data business.
(2) In the heterogeneous network convergence communication device for emergency logistics according to (1), it is preferable that the device further includes a satellite communication module for transmitting and receiving data to and from a satellite;
the heterogeneous network communication module comprises a Beidou communication transceiver module, an unmanned aerial vehicle communication transceiver module, an individual soldier image transmission communication transceiver module and a 4G cluster transceiver module.
(3) In the above (2), the heterogeneous network convergence communication device for emergency logistics preferably further includes an input keyboard for manually inputting data files, a video capture module for obtaining local video images, a display screen for displaying images, videos and data information, and a built-in multi-frequency antenna for transceiving multi-network signals.
(4) In the heterogeneous network convergence communication device for emergency logistics recited in the above (3), preferably, the satellite communication module includes a satellite communication receiving port and a satellite communication transmitting port,
the Beidou communication transceiver module, the unmanned aerial vehicle communication transceiver module, the individual soldier image transmission communication transceiver module, the 4G cluster transceiver module, the video acquisition module and the built-in multi-frequency antenna are all arranged in a shell structure,
the satellite communication receiving port, the satellite communication transmitting port, the input keyboard and the display screen are arranged on the structural body of the shell structure and are exposed to the outside.
(5) In the heterogeneous network convergence communication device for emergency logistics recited in the above (1), preferably, the network management system includes a resource allocation management module, a QoS service management module, an access network management module, and an alarm management module,
the resource allocation management module is used for resource scheduling based on service flow, the scheduling process is used for identifying and classifying different accessed services, calculating resource requirements for different types of services by adopting different resource application algorithms, and performing comprehensive scheduling of macro resources and dynamic allocation of channel resources based on the result of service flow detection;
the QoS service management module stores the defined QoS service strategies in a strategy library of the network management system and automatically executes preset tasks according to the strategies.
The access network management module carries out configuration management on the identification of the access network, controls the network access authority and allows or forbids network access;
the alarm management module acquires information including the running state of an access network, the running conditions of the management module and the management system and the execution condition of device configuration parameters in real time, judges whether an abnormality exists or not, and sends an alarm prompt when the abnormality is judged.
(6) In the heterogeneous network convergence communication device for emergency logistics recited in (1) above, preferably, the QoS service policy is: communication based on 4G cluster network, communication based on big dipper network, communication based on individual soldier's picture passes communication, communication based on unmanned aerial vehicle communication network, the communication priority reduces step by step in proper order.
(7) In the heterogeneous network convergence communication device for emergency logistics recited in (2) above, preferably, the satellite communication module completes transmission and reception of data via a communication satellite link by externally connecting a satellite communication antenna.
(8) A heterogeneous network convergence communication method for emergency logistics, which is a method for performing heterogeneous network convergence by using the heterogeneous network convergence communication device for emergency logistics according to any one of (1) to (7), wherein the convergence service management system operates according to the following steps:
m 1: receiving multiple groups of heterogeneous network input signals concurrently, and judging the number of input sources in the network corresponding to each group of received signals;
m 2: judging the type of a communication network through a packet header identifier of a received data stream, calling a communication protocol corresponding to the judged communication network for data analysis, formulating an optimal transmission scheme according to a preset QoS service strategy, and acquiring a service transmission resource requirement according to the optimal transmission scheme;
m 3: and the resource allocation management module in the network management system allocates resources according to the transmission resource requirements and provides communication service transmission services comprising one or more of voice, video and data.
(9) In the method for heterogeneous network convergence communication for emergency logistics according to (8) above, preferably, the step of formulating the optimal transmission scheme according to the preset QoS service policy includes:
identifying and classifying different accessed services, and calculating resource requirements for different types of services by adopting preset different resource application algorithms;
and sequencing the calculated resource requirements according to a preset QoS service strategy.
(10) In the method for heterogeneous network convergence communication for emergency logistics according to (9) above, preferably, the step of allocating resources according to the transmission resource requirement includes: and performing comprehensive scheduling of macro resources and dynamic allocation of channel resources based on the result of the service flow detection.
Effects of the invention
Compared with the prior art, the invention has the advantages and characteristics that:
1. the device provides communication interconnection services of a plurality of independent networks, realizes interconnection and intercommunication of communication networks with completely different link layer and physical layer protocols in a network layer, utilizes network communication resources to the maximum extent, realizes skip transmission of information in various networks, and avoids limitation of a single network data source in an emergency scene and data loss of a single network under complex conditions;
2. the device realizes unified scheduling and management of the heterogeneous network through the fusion service management system, effectively avoids the problems of resource competition and conflict during multi-network communication, and ensures the stability and the fluency of data transmission;
3. the device adopts a standard communication interface to the outside, has rich service functions, is downward compatible, can be expanded to the outside, and has strong applicability and universality;
4. the device adopts portable structural design, is applicable to communication link under the emergency condition and builds temporarily, can regard as a standing and standby emergency communication mode, makes things convenient for the communication of emergent scene to be laid out and controlled.
Drawings
Fig. 1 is an external structural diagram of a heterogeneous network convergence communication device according to the present invention;
FIG. 2 is a schematic diagram of the converged service management system of the present invention;
FIG. 3 is a schematic diagram of the working process of the present invention.
Description of the reference numerals
1.1-multisource information access system; 1.2-protocol extraction conversion system; 1.3-network management system; 1.4-a business service system; 1.5-resource allocation management module; 1.6-QoS service management module; 1.7-access network management module; 1.8-alarm management module; 2.1-Beidou communication transceiver module; 2.2-unmanned aerial vehicle communication transceiver module; 2.3-individual soldier picture transmission communication transceiver module; 2.4-4G cluster transceiver module; 2.5-satellite communication receiving port; 2.6-satellite communication transmitting port; 2.7-input keyboard; 2.8-video acquisition module; 2.9-display screen; 2.10-built-in multifrequency antenna; 2.11-satellite signal modem.
Detailed Description
Embodiments of this patent are described further below with reference to fig. 1-3 in conjunction with the detailed description.
The heterogeneous network convergence communication device for emergency logistics mainly comprises a convergence service management system and hardware equipment, wherein the convergence service management system and the hardware equipment are matched to complete convergence communication of heterogeneous networks.
As shown in fig. 1, the heterogeneous network convergence communication device for emergency logistics comprises a shell structure, wherein hardware devices mainly comprise a Beidou communication transceiver module (2.1), an unmanned aerial vehicle communication transceiver module (2.2), an individual soldier image transmission communication transceiver module (2.3), a 4G cluster transceiver module (2.4), a satellite communication receiving port (2.5), a satellite communication transmitting port (2.6), an input keyboard (2.7) for manually inputting data files, a video acquisition module (2.8) for acquiring local video images, a flip type display screen (2.9) for displaying images, videos and data information and a built-in multi-frequency antenna (2.10) for transmitting and receiving multi-network signals. Wherein, big dipper communication transceiver module (2.1), unmanned aerial vehicle communication transceiver module (2.2), individual soldier's picture passes communication transceiver module (2.3), 4G cluster transceiver module (2.4), video acquisition module (2.8) and built-in multifrequency antenna (2.10) all locate foretell shell structure's inside, satellite communication receiving port (2.5), satellite communication transmission port (2.6), input keyboard (2.7) and display screen (2.9) are located on this shell structure's the structure and are exposed outside.
A Beidou communication transceiver module (2.1), an unmanned aerial vehicle communication transceiver module (2.2), an individual soldier image transmission communication transceiver module (2.3) and a 4G cluster transceiver module (2.4) in the shell structure form a heterogeneous network communication module; the satellite communication receiving port (2.5) and the satellite communication transmitting port (2.6) form a satellite communication module.
The Beidou communication transceiver module (2.1) is used for receiving information of a Beidou communication network and finishing the external sending of Beidou service data; the unmanned aerial vehicle communication transceiver module (2.2) is used for receiving information of an unmanned aerial vehicle communication network and finishing external transmission of unmanned aerial vehicle communication services; the individual soldier image transmission communication transceiving module (2.3) is used for receiving information of the individual soldier image transmission communication network and finishing external transmission of individual soldier image transmission service data; and the 4G cluster transceiver module (2.4) is used for receiving the information of the 4G cluster network and finishing the external sending of the 4G cluster service data.
The satellite communication receiving port (2.5) is used for receiving the comprehensive service data stream sent by the satellite link and sending the comprehensive service data stream to the satellite modulation and demodulation module for information demodulation; and the satellite communication transmitting port (2.6) is used for transmitting the integrated service data information modulated by the satellite modulation and demodulation module.
The input keyboard (2.7) is used for manually inputting data files; the video acquisition module (2.8) is used for acquiring local images and videos and supporting remote cooperative consultation; the display screen (2.9) can adopt a flip structure design for visual display of images, videos and data information; the built-in multi-frequency antenna (2.10) is used for receiving and transmitting various network signals.
By integrating the hardware on a shell structure, the communication device is convenient to carry; in addition, the input and output device is arranged on the surface of the device shell, so that the device is convenient to operate at any time and any place, and is very suitable for emergency situations such as disaster sites.
Satellite communication standard in this patent: the DVB-S2/DVB-RCS protocol standard is adopted, the outbound link carries out system message broadcasting and service distribution in a TDM mode, the inbound link uses an MF-TDMA mode, satellite frequency resources are flexibly and fully utilized, and in addition, the inbound link can expand a D-SCPC mode to meet the use requirement of an emergency communication scene.
The convergence service management system of the heterogeneous network convergence communication device for emergency logistics according to the present invention is described with reference to fig. 2. The fusion service management system comprises a multi-source information access system (1.1), a protocol extraction and conversion system (1.2), a network management system (1.3) and a business service system (1.4). The converged service management system may be implemented in software.
The multi-source information access system (1.1) completes the access function of communication networks of different protocol systems through matched communication transceiving modules, the communication networks comprise a Beidou network, an unmanned aerial vehicle communication network, a single soldier image transmission network and a 4G cluster network, and the multi-source information access system (1.1) adds packet header information to received data from different communication networks according to specified definition marks to form a new data frame format and sends the new data frame format to the protocol extraction and conversion system. As an example of the added packet header information, a mark number may be added, for example, 00 is added to a data frame based on the beidou communication, 01 is added to a data frame based on the drone communication, 10 is added to a data frame based on the individual image transfer, and 11 is added to a data frame based on the 4G cluster.
The protocol extraction and conversion system (1.2) realizes the interconnection of communication networks with completely different link layer and physical layer protocols at a network layer, extracts the communication protocol mapped in a protocol pool according to the packet header identification of the received data stream, realizes the information analysis of the data stream, and converts the analyzed data into an IP data packet for interactive transmission.
The network management system (1.3) is a core management unit of the device, realizes monitoring and management of the state of an access network, plans the resources of the whole network integrally, provides a QoS service guarantee strategy, and guarantees smooth and stable information transmission, and comprises a resource distribution management module (1.5), a QoS service management module (1.6), an access network management module (1.7) and an alarm management module (1.8).
The resource allocation management module (1.5) is based on the resource scheduling of the service flow, the scheduling process is to identify and classify the different accessed services, calculate the resource requirements for the different types of services by adopting different resource application algorithms, and perform the comprehensive scheduling of the macroscopic resources and the dynamic allocation of the channel resources based on the result of the service flow detection.
QoS service management module (1.6). The method is characterized in that defined QoS service strategies are stored in a strategy library of a network management system, and a network entity automatically executes preset tasks according to the strategies, so that the method is better suitable for dynamic changes of heterogeneous networks and improves the utilization rate of network resources, one example of the QoS service strategies preset by the device is that 4G cluster communication is prior to Beidou communication, prior to individual soldier map-borne communication and prior to unmanned aerial vehicle communication, namely: communication based on 4G cluster network, communication based on big dipper network, communication based on individual soldier's picture passes communication, communication based on unmanned aerial vehicle communication network, the communication priority reduces step by step in proper order.
The access network management module (1.7) is responsible for configuring and managing the identification of the access network and controlling the access authority of the network, and can allow the network access and also can directly forbid the network access.
The alarm management module (1.8) acquires information such as the running state of an access network, the running conditions of key modules and systems, the execution condition of device configuration parameters and the like in real time, judges and analyzes whether abnormal data exist or not, and gives an alarm prompt when the abnormal data are judged to exist.
The service system (1.4) provides service communication services including voice services, video services, data services.
The definition mark is used for distinguishing different types of communication networks, a definition mark packet head is added to a data stream through the multi-source information access system, the protocol extraction and conversion system can extract a corresponding communication protocol in the protocol pool to finish analysis processing of the data packet, and the configuration of the definition mark can be modified in the access network management module.
In the embodiment, the Beidou communication protocol, the unmanned aerial vehicle data link communication protocol, the 4G communication protocol and the individual soldier graph transmission communication protocol are stored, and the protocol pool can be expanded, deleted and modified according to needs.
Next, a process of performing heterogeneous network convergence communication by the heterogeneous network convergence communication apparatus for emergency logistics according to the present invention will be described with reference to fig. 3.
Firstly, after the heterogeneous network convergence communication device of the emergency logistics is started, the system can carry out self-checking so as to confirm that the system can work normally.
Then, heterogeneous network convergence communication and communication service based on communication result are carried out, and the convergence service management system mainly operates according to the following steps:
m 1: receiving multiple groups of heterogeneous network input signals concurrently, and judging the number of input sources in the network corresponding to each group of received signals;
m 2: if the number of signal sources is 1, namely if the signal sources are input in a single path, directly entering a protocol extraction and conversion step, judging the type of a communication network through a packet header definition identifier, calling a corresponding protocol to perform data analysis, and acquiring service transmission resource requirements; if the number of the signal sources is more than or equal to 2, respectively carrying out protocol extraction conversion through packet header definition marks, triggering a preset QoS service mechanism, formulating an optimal transmission scheme, and acquiring transmission resource requirements according to the optimal scheme; if the definition identification acquired by the protocol extraction and conversion system exceeds the preset range, the output system judges the data corresponding to the non-preset definition identification as non-heterogeneous network data and discards the non-heterogeneous network data, namely, available communication service is not provided;
m 3: the resource allocation management module allocates resources according to the transmission resource requirements and provides voice, video and data communication service transmission services through satellite communication. At this time, the user may obtain the service transmission services through the video capture module, the display device, the keyboard, and the audio capture playing device, for example, perform interaction of information, audio, and video.
The invention adopts the QoS service communication strategy to ensure that under various complex and changeable emergency field environments, resources can be reasonably distributed and used according to business communication requirements and system load conditions, and the stable and smooth communication of the system is ensured.
The working principle of the heterogeneous network convergence communication device for emergency logistics is as follows: when a disaster occurs and emergency materials need to be emergently rescued, the device is utilized to quickly acquire disaster situation information of a disaster site and guide the decision making of rescue, the device is placed in the disaster site, the disaster situation information transmitted by a Beidou network, an unmanned aerial vehicle network, a 4G network and an individual communication network is received through a multi-frequency antenna in the device, the information flows through a multi-source data access system for encapsulation, preset definition identification information is added to a packet header, a protocol extraction and conversion system realizes the interconnection of communication networks with completely different protocols of a link layer and a physical layer on a network layer, the network type of an access data flow is judged according to the definition identification, a corresponding communication protocol in a protocol pool is called to analyze the data, for the input of the multi-source data, a preset QoS service mechanism is triggered, an optimal transmission scheme is made, the transmission resource requirement is acquired, if the definition identification acquired by the protocol extraction and conversion system exceeds a preset range, the output system can not provide available communication service, the network management system carries out comprehensive analysis according to service transmission requirements, a QoS guarantee scheme and network communication load conditions, network resources are reasonably distributed, smoothness and stability of system communication are guaranteed, the service system generates service data streams according to a finally formulated transmission scheme, sends the service data streams to the satellite modulation and demodulation module for information modulation, and sends the field conditions to a rear decision-making and research and judgment center for formulating an emergency logistics rescue scheme through a satellite link; the goods and materials rescue scheme is sent to the device of the invention through a satellite reverse link, data demodulation is carried out by a satellite modulation-demodulation module to obtain a corresponding goods and materials rescue instruction, a service system splits a comprehensive service data stream to obtain service instruction information of different communication networks, a protocol extraction and conversion system extracts a mapping protocol to package and process service data, the service data is sent to a corresponding network terminal through a multi-frequency antenna to be received and processed, so that the whole flow and closed-loop communication process of field information acquisition, disaster condition reporting, research and judgment instruction issuing and field response processing is completed, and an alarm management module always carries out operation state monitoring, key module and system operation condition analysis, device configuration execution condition detection, abnormal data judgment and analysis on the communication network and gives an alarm prompt.
The mobile portable heterogeneous network fusion communication device for emergency logistics integrating multiple communication network modes is used for realizing real-time acquisition, processing, transmission and unified management of disaster site multi-source data by fusing five networks of Beidou communication, 4G clusters, single weapon drawing transmission, unmanned aerial vehicle data chains and satellite communication through single equipment, providing timely and effective data support for quickly realizing material allocation and rescue disposal for an emergency logistics center, supporting the maximum utilization of communication resources in a complex network environment, and solving the problems of single disaster site data source, mutual independence of site communication networks and lack of multi-network communication management means in the emergency logistics process at the present stage.
Compared with the prior art, the invention has the advantages and characteristics that:
1. the device provides communication interconnection services of a plurality of independent networks, realizes interconnection and intercommunication of communication networks with completely different link layer and physical layer protocols in a network layer, utilizes network communication resources to the maximum extent, realizes skip transmission of information in various networks, and avoids limitation of a single network data source in an emergency scene and data loss of a single network under complex conditions;
2. the device realizes unified scheduling and management of the heterogeneous network through the fusion service management system, effectively avoids the problems of resource competition and conflict during multi-network communication, and ensures the stability and the fluency of data transmission;
3. the device adopts a standard communication interface to the outside, has rich service functions, is downward compatible, can be expanded to the outside, and has strong applicability and universality;
4. the device adopts portable structural design, is applicable to communication link under the emergency condition and builds temporarily, can regard as a standing and standby emergency communication mode, makes things convenient for the communication of emergent scene to be laid out and controlled.
Claims (7)
1. A heterogeneous network convergence communication device for emergency logistics is characterized by comprising a convergence service management system and a heterogeneous network communication module; the fusion service management system comprises a multi-source information access system (1.1), a protocol extraction and conversion system (1.2), a network management system (1.3) and a business service system (1.4);
the multi-source information access system (1.1) completes communication network access functions of different protocol systems through matched communication transceiving modules, the communication networks comprise a Beidou network, an unmanned aerial vehicle communication network, a single-soldier image transmission network and a 4G cluster network, and the multi-source information access system adds packet header information to received data from different communication networks according to specified definition marks to form a new data frame format and sends the new data frame format to the protocol extraction and conversion system;
the protocol extraction and conversion system (1.2) extracts the communication protocol mapped in the protocol pool according to the packet header identification of the received data stream, realizes the information analysis of the data stream, converts the analyzed data into an IP data packet for interactive transmission, and realizes the interconnection of communication networks with completely different link layer and physical layer protocols at a network layer;
the network management system (1.3) completes resource allocation management, QoS service management, access network management and alarm management of the converged network; the network management system (1.3) comprises a resource allocation management module (1.5), a QoS service management module (1.6), an access network management module (1.7) and an alarm management module (1.8), wherein the resource allocation management module (1.5) is used for resource scheduling based on service flow, the scheduling process is used for identifying and classifying different accessed services, calculating resource requirements for different types of services by adopting different resource application algorithms, and performing comprehensive scheduling of macro resources and dynamic allocation of channel resources based on the result of service flow detection; the QoS service management module (1.6) stores the defined QoS service strategies in a strategy library of the network management system and automatically executes preset tasks according to the strategies; the access network management module (1.7) performs configuration management on the identification of the access network, controls the network access authority and allows or forbids network access; the alarm management module (1.8) acquires information including the running state of an access network, the running conditions of the management module and a management system and the execution condition of device configuration parameters in real time, judges whether an abnormality exists or not, and sends an alarm prompt when the abnormality is judged;
the business service system (1.4) provides business communication services, and the business comprises one or more of voice business, video business and data business.
2. The heterogeneous network convergence communication device for emergency logistics according to claim 1, further comprising a satellite communication module for data transmission and reception with a satellite;
the heterogeneous network communication module comprises a Beidou communication transceiver module (2.1), an unmanned aerial vehicle communication transceiver module (2.2), an individual soldier image transmission communication transceiver module (2.3) and a 4G cluster transceiver module (2.4).
3. The heterogeneous network convergence communication device for emergency logistics according to claim 2, further comprising an input keyboard (2.7) for manually inputting data files, a video acquisition module (2.8) for acquiring local video images, a display screen (2.9) for displaying images, videos and data information, and a built-in multi-frequency antenna (2.10) for transceiving multi-network signals.
4. The heterogeneous network convergence communication device for emergency logistics according to claim 3, wherein the satellite communication module comprises a satellite communication receiving port (2.5) and a satellite communication transmitting port (2.6),
the Beidou communication transceiver module (2.1), the unmanned aerial vehicle communication transceiver module (2.2), the individual soldier figure transmission communication transceiver module (2.3), the 4G cluster transceiver module (2.4), the video acquisition module (2.8) and the built-in multi-frequency antenna (2.10) are all arranged in a shell structure,
the satellite communication receiving port (2.5), the satellite communication transmitting port (2.6), the input keyboard (2.7) and the display screen (2.9) are arranged on a structural body of the shell structure and are exposed to the outside.
5. The heterogeneous network convergence communication device for emergency logistics according to claim 1, wherein the QoS service policy is: communication based on 4G cluster network, communication based on big dipper network, communication based on individual soldier's picture passes communication, communication based on unmanned aerial vehicle communication network, the communication priority reduces step by step in proper order.
6. The heterogeneous network convergence communication device for emergency logistics according to claim 2, wherein the satellite communication module completes transmission and reception of data through a communication satellite link by externally connecting a satellite communication antenna.
7. A heterogeneous network convergence communication method for emergency logistics, which is the method for performing heterogeneous network convergence by the heterogeneous network convergence communication device for emergency logistics according to any one of claims 1 to 6, wherein the convergence service management system is operated according to the following steps:
m 1: receiving multiple groups of heterogeneous network input signals concurrently, and judging the number of input sources in the network corresponding to each group of received signals;
m 2: judging the type of a communication network through a packet header identifier of a received data stream, calling a communication protocol corresponding to the judged communication network for data analysis, formulating an optimal transmission scheme according to a preset QoS service strategy, and acquiring a transmission resource requirement according to the optimal transmission scheme; the method specifically comprises the following steps: identifying and classifying different accessed services, and calculating resource requirements for different types of services by adopting preset different resource application algorithms; sequencing the calculated resource requirements according to a preset QoS service strategy;
m 3: a resource allocation management module in the network management system allocates resources according to the transmission resource requirements and provides communication service transmission services comprising one or more of voice, video and data; wherein the step of allocating resources according to the transmission resource requirements comprises: and performing comprehensive scheduling of macro resources and dynamic allocation of channel resources based on the result of the service flow detection.
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