High-rate full-diversity space-time-frequency codes for broadband MIMO block-fading channels

被引:40
作者
Zhang, Wei
Xia, Xiang-Gen
Ching, P. C.
机构
[1] Chinese Univ Hong Kong, Dept Elect Engn, Shatin, Hong Kong, Peoples R China
[2] Univ Delaware, Dept Elect & Comp Engn, Newark, DE 19716 USA
基金
美国国家科学基金会;
关键词
block-fading channels; multiple-input multiple-output (MIMO) systems; signal space diversity; space-frequency (SF) codes; space-time (ST) codes; space-time-frequency (STF) codes;
D O I
10.1109/TCOMM.2006.885058
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A systematic design of high-rate full-diversity space-time-frequency (STF) codes is proposed for multiple-input multiple-output frequency-selective block-fading channels. It is shown that the proposed STF codes can achieve rate M-t and full-diversity MtMrMbL, i.e., the product of the number of transmit antennas M-t, receive antennas M-r, fading blocks M-b, and channel taps L. The proposed STF codes are constructed from a layered algebraic design, where each layer of algebraic coded symbols are parsed into different transmit antennas, orthogonal frequency-division multiplexing tones, and fading blocks without rate loss. Simulation results show that the proposed STF codes achieve higher diversity gain in block-fading channels than some typical space-frequency codes.
引用
收藏
页码:25 / 34
页数:10
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