频率选择信道OFDM传输的马尔可夫建模

2017 40th International Conference on Telecommunications and Signal Processing (TSP) Pub Date : 2017-07-01 DOI:10.1109/TSP.2017.8075947

Igor Moreira, C. Pimentel

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引用次数: 1

摘要

我们提出了一种分析工具，用于评估基于IEEE 802.11标准，具有OFDM调制和频率选择性衰落信道的离散通信系统(DCS)的Reed-Solomon (RS)代码的性能。主要思想是用有限状态马尔可夫信道(更具体地说，是吉尔伯特-艾略特信道(GEC))对DCS进行建模，以表示RS符号在DCS上传输的成功和失败。通过将DCS的模拟统计数据与数值计算的统计数据进行比较，评价了GEC的精度。

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Markov modeling of OFDM transmission over frequency selective channels

We present analytical tools for evaluating the performance of Reed-Solomon (RS) codes concatenated to a discrete communications system (DCS), based on the IEEE 802.11 standard, with OFDM modulation and frequency-selective fading channel. The main ideia is to model de DCS with a finite state Markov channel, more specifically the Gilbert-Elliott channel (GEC) in order to represent the successes and failures of the transmission of RS symbols over the DCS. The accuracy of the GEC is evaluated by comparing some statistics generated from simulations for the DCS with the numerically evaluated ones for the DCS.

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2017 40th International Conference on Telecommunications and Signal Processing (TSP)

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