基于小波的SC-FDMA LTE上行传输误码率分析

2015 Fifth International Conference on Advanced Computing & Communication Technologies Pub Date : 2015-02-21 DOI:10.1109/ACCT.2015.49

Naresh Kumar, Ishu

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引用次数: 13

摘要

长期演进技术(LTE)上行采用单载波频分多址(SCFDMA)技术，下行采用正交频分多址(OFDMA)技术。SCFDMA通常被称为离散傅立叶变换(DFT)扩展OFDMA。本文提出了一种基于小波的SCFDMA算法来分析误码率(BER)性能。在AWGN信道下使用不同的小波和不同的调制方案进行了分析。该分析将表明，在SCFDMA中使用小波变换可以降低误码率。因此，基于小波的SCFDMA比基于DFT的SCFDMA具有更好的BER性能。

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 in Wavelet Based SC-FDMA for LTE Uplink Transmission

Long Term Evolution (LTE) has adopted Single Carrier Frequency Division Multiple Access (SCFDMA) technique for uplink and Orthogonal Frequency Division Multiple Access (OFDMA) for downlink. SCFDMA is often called as Discrete Fourier Transform (DFT) spread OFDMA. In this paper, Wavelet based SCFDMA is proposed for analyzing Bit Error Rate (BER) performance. Analysis is carried out using different wavelets and different modulation schemes under AWGN channel. This analysis will show that the reduction in BER takes place by using wavelet transform in SCFDMA. Thus wavelet based SCFDMA provides better BER performance than that of DFT based SCFDMA.

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2015 Fifth International Conference on Advanced Computing & Communication Technologies

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