Data distribution service (DDS) communication system

A communication system and subject technology, applied in the field of communication systems, can solve the problems of poor integration flexibility and scalability, poor integration flexibility and scalability of radar weapon system communication, and inability to separate software and hardware, and achieve strong real-time performance. , The effect of strong scalability and no service bottleneck

Inactive Publication Date: 2013-06-19
SHANGHAI SPACEFLIGHT INST OF TT&C & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this method is that the integration flexibility and scalability are poor, it is necessary to formulate an information interface protocol between communication devices, the separation of software and hardware cannot be realized, and the dynamic configuration and reorganization of system control functions are difficult
[0004]

Method used

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  • Data distribution service (DDS) communication system

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Experimental program
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Embodiment

[0026] Such as figure 1 As shown, the DDS communication system provided by the present invention adopts a publish / subscribe communication mode, including several publishers, some subscribers, some middleware, a registration data type module, a generation theme module, a release data module, a search theme module, Subscribe to topic modules and receive data modules;

[0027] A publisher first calls the registration data type module, and returns after success; then calls the generated topic module to generate a topic on the middleware; a subscriber finds a topic on the network by searching the topic module, and then calls the Subscribe to the topic module to subscribe to the topic; when the publisher receives the subscription topic word, it calls the publishing data module and sends the data to the middleware, and the subscriber passes the data receiving module in the middleware received the data.

[0028] The registration data type module: initialize and create a first domai...

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Abstract

The invention discloses a data distribution service (DDS) communication system. The system uses a publishing/subscribing communication mode and comprises a plurality of publishers, a plurality of subscribers, a plurality of middle pieces, a register data type module, a generation topic module, a publishing data module, a seeking topic module, a subscribing topic module and a receiving data module; one publisher firstly calls the register data type module, returns the module after succeeding in calling the module, and then calls the generation topic module to generate a topic on the middle pieces; one subscriber discovers the topic on a network by seeking the topic module, and then calls the subscribing topic module to subscribe the topic; and the publisher calls the publishing data module to send data to the middle pieces when receiving words of subscribing the topic, and the subscriber receives the data on the middle pieces through the receiving data module. The DDS communication system is high in real time performance and very applicable to various radar weapon systems which are high in requirement of real time performances and large in handling capacity.

Description

technical field [0001] The invention relates to a communication system, in particular to a DDS communication system applied in a radar weapon system. [0002] Background technique [0003] In the existing radar weapon system, the communication system mostly adopts the model of carrying on the information communication through the Ethernet through the Socket protocol stack. First create a Socket; then bind the IP address and specify the port number for sending and receiving; then set the socket according to the propagation mode; finally realize the sending and receiving of messages through the read and write operations on the specified address port. The disadvantage of this method is that the integration flexibility and scalability are poor, it is necessary to formulate an information interface protocol between communication devices, the separation of software and hardware cannot be realized, and the dynamic configuration and reorganization of system control functions are di...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/08
Inventor 辜鹏刘成芳高宇
Owner SHANGHAI SPACEFLIGHT INST OF TT&C & TELECOMM
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