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Design of Virtual Radio Receiver and Simulation of the Key Algorithm

Author: ZhangWei
Tutor: FuFengLin
School: Xi'an University of Electronic Science and Technology
Course: Communication and Information System
Keywords: Virtual Radio PCI Bus DMA QAM Modulation Identification
CLC: TN851
Type: Master's thesis
Year: 2006
Downloads: 18
Quote: 1
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Abstract


Software radio is becoming the best way to solve the problems of co-operation among different modes and develop more service. In this article, Virtual Radio, which was propounded by Vaun.Bose in Massachusetts Institute of Technology, was discussed. Virtual Radio technology is a branch of Software Radio technology; it is based on computerizing of software defined radios to realize the mobile communication system in the future. Virtual Radio, which is different from normal software radio, uses rapidly improving workstations system instead of the PLD and the DSP device. So all the digital signal process works on the computers, which is more flexible.In this paper, the system of Virtual radio receiver and the key arithmetic of digital signal modulation identification were discussed. The design is full use of computer to realize the down frequency conversion and the MQAM modulation identification on base band. The analog/digital device and PCI bus interface use in data acquisition system to transfer data, which can implement high-speed data channel in current computer using DMA mode and double side address map. Also the driver in Windows 2000 was given.

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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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