Pre-coding method of MIMO relay system having channel estimation error and antenna correlation
A channel estimation error, relay system technology, applied in the field of precoding of MIMO relay system, can solve problems such as being in a very small stage
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[0044]The invention aims at the MIMO relay system with channel estimation error and antenna correlation, and studies the precoding design method of the transmitting end and the relay end. The purpose is to obtain a more optimized system bit error rate performance by considering channel estimation errors and antenna-related problems in actual situations.
[0045] In order to make the principle of the present invention clearer, firstly, the working principle of the MIMO relay system adopted in the present invention is briefly introduced. The MIMO relay system model is as figure 1 As shown, it consists of three parts: the transmitter, the relay and the receiver, where the transmitter, the relay and the receiver have n s , n r , n d Antennas, and satisfy n s ≤min(n r ,n d )condition. combine figure 2 The schematic diagram of signal transmission, the transmitting end, the relay end and the receiving end are respectively equipped with 4 antennas, and the transmission inform...
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