Description: 程序的主要功能是做了一定范围的信噪比下，对每个信噪比：随机信号QPSK调制；
根据Alamouti方案的矩阵进行编码；发送信号经过瑞利信道和加入高斯白噪声；
接收信号采用最大比合并的方法；最后对合并信号进行最大似然判决并求误符号率。
结果表明10^-3对应大约12->13dB-Procedure main function is to do a certain range of SNR for each signal to noise ratio: random signal QPSK modulation program in accordance with Alamouti coding matrix send signals through Rayleigh channel and adding Gaussian white noise received signal using maximal-ratio combining method Finally the combined signal and the maximum likelihood decision for symbol error rate. The results showed that about 10 ^-3 corresponds to 12-> 13dB Platform: |
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Description: Bachelor Thesis: Implementation of a Software-Defined Radio testbed for OFDM-MIMO communication systems:-This module consists of blocks requirung for building a MIMO system in GNU-Radio. The system is tested on USRP1 devices. Thanks for your interest in my code. This github project contains many different mini-projects. The one that I actually tested on hardware and worked successfully is the MIMO OFDM with Alamouti coding (which was the main project and a part of my senior design for the B.S. degree). All the other designs are starting points of other projects in the lab that I used to work in. So, all the designs with MAC layer (such as “FinalDesign”) and designs with QPSK modulation (such as “qpsk_mimo_usrp”) are not complete works and probably do not work on hardware immediately (you have to work on them a little bit). Platform: |
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Author:上善若水 |
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