The major evolution of UMTS (Universal Mobile Telecommunications System) in recent years is the High Speed Downlink Packet Access (HSDPA)which provides data rates up to 10Mbps. The implementation of HSDPA includes multicodes transmission in joint

多径时延信道下的OFDM误码率性能，进行了简单的lms信道估计(OFDM bit error rate performance in multipath delay channels)