Effect Investigation of Channel Estimation Deviation on STBC Performance in CDMA System
CAOWei-feng, YUXiao-hui, WANGWen-bo · 中国邮电高校学报：英文版 · 2004
The combination schemes of Space-Time Block Code (STBC) and Code Division Multiple Access (CDMA) haveattracted much attention. This paper focuses on the combination schemes of STBC and Digital Matched Filter (DMF),Zero Forcing (ZF) and investigates the effect of channel estimation deviation on these schemes' performance. The detailed theoretical analyses and simulation results are provided. The results show that for the assumed ideal receiver data without the effect of Gaussian noise, the channel estimation deviation worsens the performance bound and for the real receiver data, the deviation degrades the link performance by at least 1.5 dB no matter of DMF and ZF algorithms.