Channel estimation using discrete Fourier transform techniques

被引：0
|
作者：
Tellambura, C [1 ]
Parker, MG [1 ]
Barton, SK [1 ]
机构：
[1] Monash Univ, Sch Comp Sci & Software Engn, Clayton, Vic 3168, Australia
来源：
GLOBECOM 98: IEEE GLOBECOM 1998 - CONFERENCE RECORD, VOLS 1-6: THE BRIDGE TO GLOBAL INTEGRATION | 1998年
关键词：
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：
dThis paper addresses the problem of selecting the optimum training sequence for channel estimation in communication systems over time-dispersive channels. By processing in the frequency domain, a new explicit form of search criterion is found, the gain loss factor (GLF), which minimises the variance of the estimation error and is easy to compute. Theoretical upper and lower bounds on the GLF are derived. An efficient directed search strategy and optimal sequences up to length 12 are given. These sequences are optimal only for frequency domain estimation, not for time domain estimation. Subject areas: Modulation and Synchronisation and/or Signal Processing for Communications
引用
收藏
页码：148 / 152
页数：5
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