基于ofdm - mimo的水下通信中信道估计误差的影响

2009 International Conference on Advanced Information Networking and Applications Workshops Pub Date : 2009-05-26 DOI:10.1109/WAINA.2009.174

J. Håkegård, K. Grythe

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引用次数: 5

摘要

目前的无线电通信系统在很大程度上是基于多载波通信(OFDM)和多天线通信(MIMO)。本文对该系统在水声通信信道下的性能进行了评估。分析了信道特性对类似于WiMAX (IEEE802.16e)中使用的OFDM-MIMO方案的影响，特别是信道估计误差。仿真结果说明了单天线系统估计误差与误码率性能之间的关系以及MIMO技术的应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Effects of Channel Estimation Errors in OFDM-MIMO-Based Underwater Communications

State-of-the-art radio communication systems are in a large extent based on multi-carrier communication (OFDM) and multiple antennas (MIMO). In this paper the performance of such systems adapted to an underwater acoustic communication channel is assessed. The effect of the channel characteristics on an OFDM-MIMO scheme similar to that used in WiMAX (IEEE802.16e) is analyzed, in particular related to channel estimation error. Simulation results illustrate the relation between estimation error and BER performance for single antenna systems (SISO) and when a MIMO technique is applied.

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2009 International Conference on Advanced Information Networking and Applications Workshops

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