A Max-Min Approach to Channel Shortening in OFDM Systems

被引：0

作者：

Takahashi, Tsukasa ^{[1
]}

Miyajima, Teruyuki ^{[2
]}

机构：

[1] Ibaraki Univ, Grad Sch Sci & Engn, Hitachi, Ibaraki 3168511, Japan

[2] Ibaraki Univ, Fac Engn, Hitachi, Ibaraki 3168511, Japan

来源：

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES | 2013年 / E96A卷 / 01期

关键词：

inter-block interference; carrier nulling algorithm; blind equalization; semi-definite relaxation;

D O I：

10.1587/transfun.E96.A.293

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

In OFDM systems, residual inter-block interference can be suppressed by a time-domain equalizer that blindly shortens the effective length of a channel impulse response. To further improve the performance of blind equalizers, we propose a channel shortening method that attempts to maximize the minimum FFT output power over data subcarriers. Simulation results indicate that the max-min strategy has performance improvement over a conventional channel shortening method.

引用

页码：293 / 295

页数：3

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