Intercarrier interference in MIMO OFDM

被引：3
|
作者：
Diggavi, S [1 ]
Al-Dhahir, N [1 ]
Stamoulis, A [1 ]
机构：
[1] AT&T Labs Res, Shannon Lab, Florham Pk, NJ 07932 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.2002.996901
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we examine multicarrier transmission over time-varying channels. We first develop the model for such a transmission scheme and focus particularly on OFDM-based schemes. We analyze the impact of time-variation within a transmission block which could arise both from Doppler spread of the channel and from synchronization errors. We propose a time-domain approach to mitigate the effects of such time-variations. This approach reduces to the familiar single-tap frequency-domain equalizer when the channel is block time-invariant. We also develop this In the context of multiple transmit and receive antennas and specialize the receiver to space-time block-coded system. Finally we provide numerical results.
引用
收藏
页码：485 / 489
页数：5
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