喷泉编码OFDM系统在专家衰落信道下的性能分析

2014 International Conference on Advances in Communication and Computing Technologies (ICACACT 2014) Pub Date : 2015-09-03 DOI:10.1109/EIC.2015.7230702

K. Sharma, Ambika Verma, J. Kaur

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引用次数: 2

摘要

喷泉码属于无速率码[4]，它有效地提高了用于无线数据传输的系统的性能。本文对喷泉编码正交频分复用(Fountain Coded Orthogonal Frequency Division Multiplexing, OFDM)系统进行了定量分析。对喷泉编码和卷积编码OFDM系统的误码率性能进行了评价和比较。利用该模型研究了喷泉码相对于OFDM和卷积码的优点，从而获得更好的系统性能。对OFDM系统的误码率进行了仿真，结果表明:喷泉编码OFDM系统比卷积编码OFDM系统具有3.25 dB的编码增益。

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Performance analysis of Fountain Coded OFDM system over Rician fading channel

Fountain Codes belongs to the class of rateless codes[4] which effectively improves the performance of systems used for wireless data transmission. In this paper, we present a quantitative analysis of Fountain Coded Orthogonal Frequency Division Multiplexing (OFDM) systems over Rician faded channel. Bit Error Rate (BER) performance evaluation and comparison is carried out for Fountain Coded and Convolution Coded OFDM systems. Utilizing this model we investigated the merits of Fountain Codes over OFDM and Convolution Codes, resulting in better system performance. The simulated results of OFDM system in terms of BER shows that Fountain Coded OFDM system has a coding gain of 3.25 dB as compared to Convolution Coded OFDM system.

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2014 International Conference on Advances in Communication and Computing Technologies (ICACACT 2014)

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