Bayesian Cramer-Rao Bound for Channel Estimation in Cooperative OFDM
Based on the matrix formulation of cooperative-OFDM signals, the bayesian CRB(BCRB) for blind, semi-blind and non-blind channel estimation in cooperative-OFDM system was derived. The BCRB for semi-blind channel estimation was a generic expression, which could be extrapolated to the BCRB for blind and non-blind channel estimation. The effect of the priori information on BCRB was also discussed. We simulated the performance of the channel estimation. In the simulations, we validate the correctness of the BCRB and evaluate some bayesian channel estimation methods using the BCRB.
Wei Wu Xin Jia Yueming Cai Xiaoxue Wu
Academy of Equipment Command & Technology, Beijing, 101416, China PLA University of Science and Technology, Nanjing 210007, China
国际会议
上海
英文
1-6
2010-10-20(万方平台首次上网日期,不代表论文的发表时间)