Abstract
The selection of spread spectrum sequence in CDMA system directly affects the performance of the whole system, which is one of the key technologies of CDMA system. The generation model of m sequence and m sequence is constructed, and the CDMA communication simulation system is built by using MATLAB/Simulink platform. Then the spread spectrum sequence is introduced into the CDMA system to run and analyze the performance of the two sequences in the CDMA system with the 6 order and 7 order. The results show that the m sub-sequence is rich in resources, and the bit error rate performance of the multi user CDMA communication system is better than that of the m sequence.
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