准静态移动信道中采用不同均衡器的空频分组编码MIMO-OFDM系统的误码率分析

2011 International Conference on Communication Systems and Network Technologies Pub Date : 2011-06-03 DOI:10.1109/CSNT.2011.111

B. Gupta, D. Saini

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引用次数: 33

摘要

可以使用多个发射和接收天线形成多输入多输出(MIMO)信道，以增加容量(以最小发射和接收天线数的倍数增加)和数据速率。本文考虑将MIMO技术与正交频分复用(OFDM)系统相结合用于宽带传输，以减轻码间干扰，提高系统容量。它同时具有MIMO和OFDM的优点。MIMO-OFDM系统同时利用了空间分集和频率分集来提高系统的性能。编码是在OFDM子载波而不是OFDM符号之间完成的。本文研究了MIMO-OFDM中使用不同均衡器时的空频分组编码性能。对不同均衡器的误码率进行了分析，并提出了最佳均衡方法。

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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BER Analysis of Space-Frequency Block Coded MIMO-OFDM Systems Using Different Equalizers in Quasi-Static Mobile Radio Channel

Multiple transmit and receive antennas can be used to form multiple-input multiple-output (MIMO) channels to increase the capacity (by a factor of the minimum number of transmit and receive antennas) and data rate. In this paper, the combination of MIMO technology and orthogonal frequency division multiplexing (OFDM) systems is considered for wideband transmission to mitigate inter symbol interference and to enhance system capacity. It owns the advantages of both MIMO and OFDM. MIMO-OFDM system exploits the space and frequency diversity simultaneously to improve the performance of system. The coding is done across OFDM sub carriers rather than OFDM symbols. In this paper, the performance of Space-Frequency (SF) block coding for MIMO-OFDM along with different equalizers is investigated. Bit Error Rate (BER) analysis is presented using different equalizers and then optimum equalization method is suggested.

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2011 International Conference on Communication Systems and Network Technologies

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