On Use of the MM Algorithm for Channel Estimation in MIMO OFDM

摘要：

In this paper, the general channel estimator for MIMO OFDM is derived and MM algorithms are used to reduce computational complexity. The first M of MM stands for majorization(minorization) and the second M stands for minimization(maximization). Its well known that EM algorithms are powerful tools for channel estimation using iterative calculation. Indeed, every EM-type algorithm is a special case of the more general class of MM algorithms. To construct an EM-type algorithm is skillful and complicated. In contrast, the MM algorithms are easier to be understood and applied. In addition to constructing channel estimation algorithms based on the MM principle we also analyze the convergence property of the MM-type algorithms. Finally, the simulation results demonstrate the performance of MM-type channel estimation algorithms.

作者: Rong Chen Haibin Zhang Youyun Xu Hanwen Luo

作者单位: Department of Electronic Engineering, Shanghai Jiaotong University Shanghai 200030 P.R.China

会议类型: 国际会议

会议名称: 2005年无线通信、网络和移动计算国际会议

会议地点: 武汉

会议语种:英文

页码: 10-14

在线出版日期: 2005-09-23（万方平台首次上网日期，不代表论文的发表时间）