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Development of the master of hop spread spectrum software radio baseband signal processing module

Author: YiYi
Tutor: ZhouZhengZhong；ChaGuangMing
School: University of Electronic Science and Technology
Course: Signal and Information Processing
Keywords: Spread Spectrum communication software radio FPGA
CLC: TN924
Type: Master's thesis
Year: 2006
Downloads: 214
Quote: 0
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Abstract


With the rapid development of the modern telecommunication, software radio system becomes the indispensable part in the telecommunication system. It is widely applied to both civil and military fields. Especially in the field of the modern information battlefield, anti-jamming communication radio based on software radio structure attracts more and more attention and it is developed constantly now.This thesis discusses the basic theories of software radio and anti-jamming wireless communication briefly, and combines two real projects of anti-jamming soft radio to study on the analysis of the demands of the client in the software radio system, the design of the overall plan, the design of the hardware and software of the system, and the debugging and testing of the radio and so on.In the research of the project of multi-user vehicle software radio cooperating with a company in Guizhou, the thesis analyzes firstly the characteristics of wire transmission that the co-worker applied in the previous phase. Aiming at the vital weakness, the thesis proposes a substitute plan which adopts wireless time divided multiple use software radio communication system to meet the demands of multi-user accessing channel and high flexibility. In order to insure the real-time data, the thesis employs the plan using the high-speed FPGA circuit to mainly control and process the baseband signal. The thesis expounds the cell design and timing design of the FPGA circuit in main controlling and baseband signal processing module, and develops the hardware of it, and programs part of the software.In the research of the project of multi-band multi-mode software radio that cooperating with a company in Baoji, aiming at solving the shortcoming of the system design and the instability of the capability, the thesis, based on the system structure which is realized in the preliminary phase and the analysis of software flow of the main controlling and baseband signal processing module, improves the hardware and perfects the previous software timing design.The writer took part in the overall design in software radio system in the first project mentioned above, and finished the hardware design and part of the software

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