Pilot Design of MIMO-OFDM with Beamforming

被引：0
|
作者：
Auer, Gunther [1 ]
Cosovic, Ivan [1 ]
机构：
[1] DOCOMO Euro Labs, D-80687 Munich, Germany
来源：
2009 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-8 | 2009年
关键词：
FADING CHANNELS; WIRELESS OFDM;
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：
Reference symbols (pilots) support coherent detection, but add overhead and consume transmit power. A sophisticated pilot design needs to trade-off the attainable channel estimation accuracy with the induced losses in bandwidth & power efficiency. MIMO transmission, transmit beamforming, and spatial multiplexing further complicate pilot design. In this paper a unified analytical framework is developed to evaluate the attainable spectral efficiency of different pilot types for MIMO-OFDM employing fixed transmit beamforming.
引用
收藏
页码：3610 / 3615
页数：6
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