Performance Investigation of MIMO-OFCDM with Imperfect Channel Estimation

被引：1
|
作者：
Zhou, Yiqing [1 ]
Ng, Tung-Sang [2 ]
机构：
[1] Hong Kong Appl Sci & Technol Res Inst Co Ltd, Hong Kong, Hong Kong, Peoples R China
[2] Univ Hong Kong, Dept Elect & Elect Engn, Hong Kong, Peoples R China
来源：
2009 IEEE 9TH MALAYSIA INTERNATIONAL CONFERENCE ON COMMUNICATIONS (MICC) | 2009年
关键词：
MIMO; OFCDM; Two-dimensional spreading; channel estimation; multi-code transmission;
D O I：
10.1109/MICC.2009.5431500
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper investigates the performance of multiple input multiple output orthogonal frequency and code division multiplexing (MIMO-OFCDM), where practical channel estimation is carried out with time-multiplexed pilot signals. Conditioned on each channel realization and estimation, the BER of MIMO-OFCDM is analytically evaluated, assuming zero-forcing successive interference cancellation (ZF-SIC) in the space domain and minimum mean square error (MMSE) detection in the frequency domain. Then, the conditional BER is averaged over all channel realizations by means of simulations. It is shown that with various channel estimation qualities and channel correlation conditions, the proposed semi-analytical approach provides precise performance estimations.
引用
收藏
页码：223 / 228
页数：6
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