基于离散分数傅里叶变换(DFrFT)的OFDM系统误码率分析

2017 IEEE 8th Annual Ubiquitous Computing, Electronics and Mobile Communication Conference (UEMCON) Pub Date : 2017-10-01 DOI:10.1109/UEMCON.2017.8249056

A. Nafchi, E. Hamke, Ramiro Jordan, Balu Santhanam

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引用次数: 5

摘要

通过对离散分数阶傅里叶变换(DFrFT)进行积分，研究正交频分复用(OFDM)系统的性能。这里OFDM子载波总数为64个，其中48个为数据载波，分配给OFDM的带宽为20mhz。假定传输的信号通过加性高斯白噪声(AWGN)信道。本文通过仿真研究了传统OFDM (FFT-OFDM)和基于DFrFT (Fr-OFDM)的OFDM系统误码率(BER)性能作为每比特能量与噪声功率谱密度比Eb/N0的函数。仿真验证了该算法的性能。

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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Bit Error Rate (BER) analysis of Discrete Fractional Fourier Transform (DFrFT) based OFDM systems

This paper investigates the performance of Orthogonal Frequency Division Multiplex (OFDM) system by integrating the Discrete Fractional Fourier Transform (DFrFT). Here the total number of OFDM subcarriers are 64 where 48 of them are data carriers, and bandwidth allocated to OFDM is 20 MHz. The transmitted signals are assumed to travel through an Additive White Gaussian Noise (AWGN) channel. Simulations are conducted to investigate the Bit Error Rate (BER) performance of OFDM system as a function of energy per bit to noise power spectral density ratio Eb/N0 for both cases of conventional OFDM (FFT-OFDM) and proposed OFDM in this paper based on DFrFT (Fr-OFDM). Simulations confirm the proposed Fr-OFDM performance.

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来源期刊

2017 IEEE 8th Annual Ubiquitous Computing, Electronics and Mobile Communication Conference (UEMCON)

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