Space-Time Interleaved OFDM Systems in Impulsive Noise and Mobile Fading Channels

被引：0

作者：

Yeh, Hen-Geul ^{[1
]}

Zhou, Jun ^{[1
]}

机构：

[1] Calif State Univ Long Beach, Elect Engn Dept, Long Beach, CA 90840 USA

来源：

2022 17TH CANADIAN WORKSHOP ON INFORMATION THEORY (CWIT) | 2022年

关键词：

Impulsive noise; Space-time; conjugate cancellation; interleaved orthogonal frequency division multiplexing; inter-carrier interference; SCHEME;

D O I：

10.1109/CWIT55308.2022.9817676

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 robust communication system in wireless propagation channels is desirable with an improved bit error rate (BER), specifically, in rapidly changing mobile channels with impulse noise (IN). In this paper, a 2x2 space-time conjugate cancellation (STCC) two-path transmission scheme combined with interleaved orthogonal frequency division multiplexing (IOFDM) system is proposed. Without coding, the interleave in IOFDM is for improving diversity. The STCC-IOFDM system features in the excellent inter-carrier interference (ICI) mitigation due to STCC in frequency selective mobile fading channels while the interleaving process introduces both time and frequency diversity to effectively combat IN. Simulations demonstrate that the proposed STCC-IOFDM systems are robust to various frequency selective environments, including when the IN exists in bad urban mobile channels.

引用

页码：86 / 91

页数：6

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