A rotation-based quasi-orthogonal space-time block coded OFDM system over frequency-selective channels

被引：1
|
作者：
Lu, XF [1 ]
Zhu, GX [1 ]
Liu, YZ [1 ]
Xiao, X [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Dept Elect & Informat Engn, Wuhan 430074, Peoples R China
来源：
FIFTH INTERNATIONAL CONFERENCE ON COMPUTER AND INFORMATION TECHNOLOGY - PROCEEDINGS | 2005年
关键词：
D O I：
10.1109/CIT.2005.45
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In this paper, we apply Quasi-Orthogonal Space Time Block Code through Constellation rotation (QOSTBC (-) CR) in OFDM system, construct the QOSTBC (-) CR-OFDM code and propose the decoder. Since OFDM can combat frequency-selective channels and the QOSTBC - CR have both full rate and full diversity, the QOSTBC (-) CR-OFDM performs effectively in frequency-selective channels. Simulation results show that QOSTBC (-) CR-OFDM achieves better tradeoff between transmission rate and diversity gain. This approves the theoretical analysis.
引用
收藏
页码：485 / 489
页数：5
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