Efficient feedback design for MIMO SC-FDMA systems

被引：3
|
作者：
Pan, Jung-Lin [1 ]
Olesen, Robert [1 ]
Grieco, Donald [1 ]
Yen, Chia-Pang [2 ]
机构：
[1] InterDigital Commun Corp, 781 3rd Ave, King Of Prussia, PA 19406 USA
[2] Polytech Univ, Brooklyn, NY 11201 USA
来源：
2007 IEEE 65TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-6 | 2007年
关键词：
MIMO; feedback; precoding; beamforming; codebook quantization; SC-FDAM; OFDM;
D O I：
10.1109/VETECS.2007.495
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：
An efficient feedback design for single carrier frequency division multiple access (SC-FDMA) multiple input multiple output (MIMO) communication systems is described We consider a codebook-based approach for MIMO pre-coding and quantization of feedback information. Differential processing is used to generate the updates iteratively for the feedback information between feedback instances. An approach of combined differential and non-differenfial feedback is considered for reduced feedback overhead and improved performance A differential feedback with periodic error reset for differential processing is described The performance of MIMO communication systems using pre-coding/transmit beamforming and the described feedback design is evaluated for SC-FDMA systems. The effects of pre-coding and feedback quantization, sub-carrier grouped feedback and feedback delay are investigated.
引用
收藏
页码：2399 / +
页数：3
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