Optimal Channel Estimation for Pilot-Aided DS-CDMA Systems
Xiaohu You · Dianzi xuebao · 2004
The paper investigates channel estimation of RAKE receiver for DS-CDMA systems.The mathematical model of channel estimation with the assistance of a common pilot channel is established.The relationship between the accuracy of channel estimate and BER performance of RAKE receiver is presented in equation.Furthermore,the MMSE based channel estimation proves optimal in terms of BER performance of RAKE receiver.