Parallel multistage decision feedback equalizer for a single-carrier system over layered space-time frequency-selective channels

被引：0
|
作者：
Jing, W [1 ]
Wang, HF [1 ]
Cheng, SX [1 ]
Ming, C [1 ]
机构：
[1] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing, Peoples R China
来源：
PIMRC 2003: 14TH IEEE 2003 INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS PROCEEDINGS, VOLS 1-3 2003 | 2003年
关键词：
MIMO; OFDM; PIC; DFE; single-carrier;
D O I：
暂无
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：
Space-time transmission techniques. which make full use of the rich scattering channel with multiple transmit and receive antennas, can greatly increase the spectral efficiency. In this paper, parallel multistage decision feedback equalizer (DFE), which is composed of parallel interference cancellation, multiple input single output decision feedback equalizer (MISO-DFE) and linear combination of the soft outputs of MISO-DFE and the previous soft decisions. is proposed for a single-carrier system over layered space-time frequency-selective channels. In addition, an algorithm is proposed to obtain the soft and hard decisions for. initialization. And the proposed parallel multistage DFE can be implemented with lower complexity than MIMO-OFDM. Simulation results show that the parallel multistage DFE outperforms the MIMO-OFDM and various previous equalizers for a single-carrier system.
引用
收藏
页码：1993 / 1997
页数：5
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