Blind Channel Estimator for MIMO-OFDM Systems Based on Linear Non-redundant Precoding
In this paper, a blind channel estimator, which is based on linear non-redundant precoding and second-order statistics, is proposed for space time block (STBC) coded MIMO-OFDM systems. According to the complex orthogonal properties of the STBCs, the channel estimate with a scalar ambiguity can be obtained through a series of simple linear transformation. Simulation results show that the proposed scheme can track the time-varying channel state well and thus improve the system performance when the number of the statistical data is properly chosen.
Jianxin Guo Lei Jiang Yanxin Gou Xiangru Meng
Telecommunication Engineering Institute Air Force Engineering University Xian, China
国际会议
武汉
英文
44-47
2005-09-23（万方平台首次上网日期，不代表论文的发表时间）