Canonical space-time processing in CDMA systems

被引：0
|
作者：
Onggosanusi, EN [1 ]
Sayeed, AM [1 ]
Van Veen, BD [1 ]
机构：
[1] Univ Wisconsin, Dept Elect & Comp Engn, Madison, WI 53706 USA
来源：
ICASSP '99: 1999 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, PROCEEDINGS VOLS I-VI | 1999年
关键词：
D O I：
10.1109/ICASSP.1999.760666
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
We propose a canonical space-time receiver structure for wireless communications based on front-end processing with respect to a fixed basis that is independent of the true channel parameters. The basis is dictated by a canonical characterization of channel propagation dynamics in terms of discrete multipath delays, Doppler shifts, and directions of arrival that capture the essential degrees of freedom in the received signal. In addition to dramatically reducing the number of channel parameters to be estimated, performance analysis demonstrates that canonical space-time receivers can deliver optimal performance at substantially reduced complexity compared to existing designs.
引用
收藏
页码：2611 / 2614
页数：4
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