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The Research and Implementation for A-GPS Module and Fixing Control Module in A-GPS Hybrid Fixing System

Author: ZhaoBin
Tutor: WuMuQing
School: Beijing University of Posts and Telecommunications
Course: Communication and Information System
Keywords: GPS A-GPS Firewall Network Processor IXP2400 Packet transceiver Agent
CLC: P228.4
Type: Master's thesis
Year: 2007
Downloads: 209
Quote: 1
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Abstract


A-GPS positioning technology is used in mobile location services launched by mobile operators the most accurate positioning , which combines the advantages of GPS technology and mobile communication network in one . Network processors in order to cope with the increasing expansion of the data traffic in the network today , the traditional processor specifically optimized and a processor . It is application-specific instruction -oriented network applications processor , is designed specifically for large-scale data packet processing , hardware architecture and software programming , through a flexible software system to provide hardware -level processing performance network processing the key characteristics of the device . This thesis is a summary of the the author during graduate study at the Beijing University of Posts and Telecommunications, broadband communications network laboratories engaged in the R \u0026 D work . The paper is divided into two parts , the first part of Chapter 1 to Chapter 5 of the introduction of the R \u0026 D work in the A-GPS hybrid positioning system ; second part of Chapter 6 to Chapter 9 , of the introduction of the R \u0026 D work in the Intel IXP2400 network processor - based Gigabit Firewall . A-GPS hybrid positioning system in the R \u0026 D work , the author 's research direction is mainly concentrated in the A-GPS positioning technology principle and implementation and system control of the positioning process . In fact , these two parts are closely linked , A - GPS positioning principle decided the way to achieve this way reflected in specific projects for the positioning process . Of the research work is common in large and medium-sized communications software system management plane and control plane communication problems between R \u0026 D work in Intel network processor - based firewall , in this project , this communication process specific software architecture with the Intel IXA ( Internet Exchange Architecture ) to complete . In this paper , the authors Intel solution , for example , shows in detail the type of solution to the problem with the process .

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CLC: > Astronomy,Earth Sciences > Surveying and Mapping > Geodesy > Satellite geodesy and space geodesy > Global Positioning System (GPS)
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