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In amplify‐and‐forward (AF)‐based cooperative spectrum sensing system, the bit‐error‐rate (BER) performance and detection probability will decrease because of the existence of channel estimation error. In this paper, the influence of channel estimation error on system performance is firstly deduced, and then, linear minimum mean‐square error (LMMSE) channel estimation algorithm with filtering delay...
In the amplify and forward (AF) cooperative relay communication system, the amplification of relay node's noise makes the noise of receiver no longer obey the Gaussian distribution, and hence, the traditional MMSE channel estimation algorithm is difficult to realize accurate channel estimation and the performance of cooperative relay system is reduced accordingly. This paper proposed the Linear Minimum...
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