A new layered MIMO-OFDM system with Signal Space Diversity

被引：1
作者：
Choi, Jin-Yong [1 ]
Baek, Jong-Seob [2 ]
Seo, Jong-Soo [1 ]
机构：
[1] Yonsei Univ, Dept Elect & Elect Engn, Seoul 120749, South Korea
[2] Georgia Inst Technol, Dept Elect & Comp Engn, Atlanta, GA 30309 USA
来源：
IEICE ELECTRONICS EXPRESS | 2011年 / 8卷 / 01期
关键词：
coordinate interleaver; maximum likelihood detection; MIMO-OFDM; signal space diversity;
D O I：
10.1587/elex.8.26
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：
This paper aims to design a new transceiver with a signal space diversity (SSD) in layered multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems. To this end, a enhanced coordinate interleaver (E-CI) that swaps a random pair of subcarriers is first proposed in order to realize readily the detection ordering required for a layered MIMO processing at the receiver. A enhanced maximum likelihood (E-ML) detection is also proposed in order to provide SSD gain after the MIMO detection processing. The performance of layered MIMO-OFDM system is evaluated and compared with that of MIMO-OFDM systems without the E-CI and E-ML detection over a time-varying Typical Urban (TU) channel.
引用
收藏
页码：26 / 32
页数：7
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