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Low Complexity Code-Multiplexed Pilot Aided Adaptive MMSE Equalizer for CDMA Systems

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2 Author(s)
Rong Zeng ; Hangzhou Dianzi Univ., Hangzhou ; Guangqiu Li

In the high data rate transmission, multiple access interference (MAI) and inter-chip interference (ICI) in the CDMA systems become serious because of the multi-path propagation. A low complexity code-multiplexed pilot aided adaptive MMSE equalizer for CDMA systems is proposed based on the method of steepest decent and Fast Fourier Transform (FFT). Computer simulation has shown that the performance of proposed low complexity adaptive MMSE equalizer approaches the ideal non-adaptive equalizer with the computational complexity reduced considerably.

Published in:

Wireless Communications, Networking and Mobile Computing, 2008. WiCOM '08. 4th International Conference on

Date of Conference:

12-14 Oct. 2008