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A GPS device access gateway device

A GPS device, access gateway technology, applied in the direction of network connection, electrical components, transmission systems, etc., can solve the problems of inefficient communication mode, poor communication stability, etc., to facilitate unified management, ensure stable operation, and facilitate addition and modification. Effect

Inactive Publication Date: 2014-10-15
ZHEJIANG UNIV OF TECH +1
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Problems solved by technology

[0004] The present invention aims at the disadvantages of simple and inefficient communication mode and poor communication stability of the existing GPS system, provides a communication mode to improve GPS, associates GPS equipment with the SIP system, and establishes an application layer protocol that can be used for different Unified management of different types of data, GPS equipment with good communication stability is connected to the gateway device

Method used

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  • A GPS device access gateway device
  • A GPS device access gateway device
  • A GPS device access gateway device

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with the accompanying drawings.

[0028] refer to Figure 1 to Figure 5 A GPS device access gateway device, the bottom layer of the access gateway device is a thread pool module for task scheduling, the module controls the TCP communication module, the SIP communication module and the protocol conversion module, and realizes the functions of the entire access gateway device. The communication between the server and the access gateway device is through the TCP communication module, and the GPRS network is used for interaction, and the SIP+TCP protocol is adopted; the TCP connection between the access gateway device and the GPS device is performed through the TCP communication module. The data communication between the access gateway device and the server adopts the SIP+XML protocol, the data communication between the access gateway device and the GPS device adopts ordinary binary data, encapsulated in t...

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Abstract

An access gateway device for a GPS device comprises a thread pool module, wherein the thread pool module is connected with a transmission control protocol (TCP) communication module, a session initiation protocol (SIP) communication module and a protocol conversion module; the TCP communication module is used for communicating with the GPS device through a TCP; the SIP module is used for data communication with a server through a SIP+XML protocol; and the protocol conversion module is used for completing interconversion of TCP data and SIP+XML protocol data. The access gateway device for the GPS device is capable of improving the communication mode of the GPS, associating the GPS device with the SIP system, establishing an application layer protocol to perform uniform management of different types of data, and maintaining good communication stability.

Description

technical field [0001] The invention relates to a protocol conversion device in the field of network technology, and is a GPS device access gateway device. Background technique [0002] The data transmission method of the existing GPS system is simple. Usually, the TCP protocol is used to upload the positioning data obtained by the GPS module to the server without processing the data or managing the communication mode. In large frameworks such as video recording, this is not conducive to integration with other data, causing inconvenience in managing multiple data. Audio and video data usually have their own applicable communication protocols, such as RTP, etc., which leads to the coexistence of data of multiple protocols within the same framework, which urgently requires an application layer protocol that can manage data indiscriminately. The SIP protocol is formulated by the IETF. It is an application layer control signaling protocol used to establish, modify, and terminat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/66H04L29/06
Inventor 孟利民华惊宇徐志江李净刘恺
Owner ZHEJIANG UNIV OF TECH
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