Error resistant space-time coding for emerging 4G-WLANs

被引：0
|
作者：
Baccarelli, E [1 ]
Biagi, M [1 ]
机构：
[1] Univ Roma La Sapienza, INFO COM Dpt, I-00184 Rome, Italy
来源：
WCNC 2003: IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE RECORD, VOLS 1-3 | 2003年
关键词：
Multiple-Antenna; MIMO systems; 4G-WLANs; self-matching; Space-Time Block-Codes (STBC); performance bounds; spectral efficiency guaranteed QoS;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Multiple-Antenna wireless systems with space-time block-codes exploit channel-diversity for improving performance without loss in spectral efficiency. Up to date, most work on this area assumed that perfect channel estimates are available at the receiver so to make feasible fully-coherent decoding. However, accurate channel-estimates require long training sequences that lower spectral efficiency. Therefore, in this contribution we focus on architecture, optimized design and performance of multiple-antenna block-coded systems with imperfect channel-estimates. After considering emerging fourth-generation WLANs (4GWLANs) as a possible application scenario, new performance bounds and optimized design criteria are presented together with a new family of robust space-time block-codes that "self-match" to channel estimation errors.
引用
收藏
页码：72 / 77
页数：6
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