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The Researching and Realizing for a SDR Receiver

Author: YangHuiBao
Tutor: ZhuCanYan
School: Suzhou University
Course: Communication and Information System
Keywords: Software Defined Radio FPGA Polyphase filter Distributed Algorithms USB2.0
CLC: TN851
Type: Master's thesis
Year: 2005
Downloads: 462
Quote: 2
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Abstract


The core idea of software radio communication on a common hardware platform , software reconfigurability and flexibility characteristics , which necessarily requires the digitized RF end , the AD conversion devices and signal processing devices can not meet the requirements of the ideal software radio . In this paper, the basic theory of the Software Defined Radio , draw a polyphase filter digital IF orthogonal transformation software radio structure AD sampling frequency is only half the sampling frequency of the original , so that , to reduce the sampling devices . Demand pressures in order to reduce the subsequent DSP processing speed , using the FPGA implementation of a polyphase filter structure of digital quadrature transformation delay filtering , prove the correctness and feasibility of such a structure . Meanwhile , the paper specifically given the polyphase filter design , and the use of distributed algorithms (DA) to implement filtering , to take full advantage of the parallel computing capabilities of the FPGA to improve computing speed . USB2.0 high - speed data transmission specifications and corresponding devices made ??introductory discussion of the relationship and the development of USB2.0 applications , drivers and firmware , USB2.0 interface data transfer , and to meet the data transmission real-time requirements .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Radio equipment,telecommunications equipment > Receiver equipment, radio Radio > Receiver: the form of points
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