Totally blind channel estimation for OFDM over fast varying mobile channels

被引：7
|
作者：
Necker, MC [1 ]
Stüber, GL [1 ]
机构：
[1] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA
来源：
2002 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-5, CONFERENCE PROCEEDINGS | 2002年
关键词：
D O I：
10.1109/ICC.2002.996888
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A blind channel estimation scheme for OFDM is proposed. The algorithm is based on the ML-principle and features a very fast convergence rate. No reference symbols are needed to resolve the phase ambiguity. Simulations show the performance in mobile environments at high Doppler frequencies and short to medium delay spreads. The proposed approach maximizes the spectral efficiency by avoiding any reference symbols or pilots, and it minimizes the BER by using a non-differential modulation scheme.
引用
收藏
页码：421 / 425
页数：5
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