基于fpga的工业环境下无线传感器网络评估宽带信道仿真器

I. Val, F. Casado, P. Rodriguez, A. Arriola
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引用次数: 23

摘要

本文提出了一种基于fpga的宽带无线信道仿真器,该仿真器适用于工业环境下无线传感器和执行器网络的早期评估。仿真器工作在复杂的基带中,具有100 mhz宽的RF接口,覆盖了2.45 GHz (2.4-2.5 GHz)的整个工业,科学和医疗(ISM)频段;这允许自定义或商业WSN节点直接连接到模拟器。该仿真器已部署在包含软处理器的FPGA上,能够产生高斯白噪声、多径和多普勒衰落效应。本文介绍了该平台的详细信息,并展示了其多种功能的验证结果。同时给出了AWGN和Rayleigh信道的误码率和PER值,这些误码率和PER值是利用连接到仿真器的真实WSN节点得到的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
FPGA-based wideband channel emulator for evaluation of Wireless Sensor Networks in industrial environments
In this paper an FPGA-based wideband wireless channel emulator is presented which is suitable for early evaluation of Wireless Sensor and Actuator Networks in industrial environments. The emulator works in complex baseband and has a 100 MHz-wide RF interface which covers the full Industrial, Scientific and Medical (ISM) band of 2.45 GHz (2.4-2.5 GHz); this allows the direct connection of either custom or commercial WSN nodes to the emulator. The emulator has been deployed on a FPGA where a soft processor has been included, and is able to generate white Gaussian noise, and multipath and Doppler fading effects. In this paper the details of the platform are presented, and validation results are shown for its diverse functionalities. BER and PER values are also presented which have been obtained for AWGN and Rayleigh channels using real WSN nodes connected to the emulator.
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