Building Software-Defined Radios in MATLAB Simulink - A Step Towards Cognitive Radios

2011 UkSim 13th International Conference on Computer Modelling and Simulation Pub Date : 2011-03-30 DOI:10.1109/UKSIM.2011.100

A. A. Tabassam, F. Ali, Sumit Kalsait, M. Suleman

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引用次数: 36

Abstract

Software Defined Radio (SDR) is a flexible architecture which can be configured to adapt various wireless standards, waveforms, frequency bands, bandwidths, and modes of operations. This paper presents a detailed survey of the existing hardware and software platform for SDRs. It also presents prototype system for designing and testing of software defined radios in MATLAB/Simulink and briefly discusses the salient functions of the prototype system for Cognitive Radio (CR). A prototype system for wireless personal area network is built and interfaced with a Universal Software Radio Peripheral-2 (USRP2) main-board and RFX2400 daughter board from Ettus Research LLC. The philosophy behind the prototype is to do all waveform-specific processing such as channel coding, modulation, filtering etc. on a host (PC) and general purpose high-speed operations like digital up and down conversion, decimation and interpolation etc. inside FPGA on an USRP2. MATLAB has a rich family of toolboxes that allows building software-defined and cognitive radio to explore various spectrum sensing, prediction and management techniques.

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在MATLAB Simulink中构建软件定义无线电-迈向认知无线电的一步

软件定义无线电(SDR)是一种灵活的架构，可以配置以适应各种无线标准、波形、频带、带宽和操作模式。本文详细介绍了现有的sdr硬件和软件平台。在MATLAB/Simulink中给出了软件无线电设计与测试的原型系统，并简要讨论了认知无线电(CR)原型系统的主要功能。建立了无线个人局域网的原型系统，并与Ettus Research LLC的通用软件无线电外设-2 (USRP2)主板和RFX2400子板进行接口。原型背后的理念是在主机(PC)上进行所有波形特定处理，如信道编码，调制，滤波等，以及在USRP2上的FPGA内进行通用高速操作，如数字上下转换，采样和插值等。MATLAB具有丰富的工具箱家族，允许构建软件定义和认知无线电，以探索各种频谱传感，预测和管理技术。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2011 UkSim 13th International Conference on Computer Modelling and Simulation

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