Bit error rate analysis of generalised frequency division multiplexing with weighted-type fractional Fourier transform precoding

被引：17

作者：

Wang, Zhenduo ^{[1
,2
]}

Mei, Lin ^{[1
]}

Wang, Xiaolu ^{[1
]}

Zhang, Naitong ^{[1
]}

机构：

[1] Harbin Inst Technol, Commun Res Ctr, Harbin, Peoples R China

[2] Sci & Technol Informat Transmiss & Disseminat Com, Harbin, Peoples R China

来源：

IET COMMUNICATIONS | 2017年 / 11卷 / 06期

关键词：

error statistics; Fourier transforms; precoding; OFDM modulation; pulse shaping; radiofrequency interference; communication complexity; AWGN channels; fading channels; channel coding; bit error rate analysis; generalised frequency division multiplexing; weighted-type fractional Fourier transform precoding; nonorthogonal waveform analysis; orthogonal frequency division multiplexing system; signal-to-interference-plus-noise ratio; SINR; WFRFT precoding; approximated bit error rate expression; BER expression; low complexity GFDM system; additive white Gaussian noise channel; fading channel; peak-to-average power ratio; out of band power suppression performance; PERFORMANCE;

D O I：

10.1049/iet-com.2016.0772

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Generalised frequency division multiplexing (GFDM) as a non-orthogonal waveform candidate is posed to reduce the high out of band radiation of orthogonal frequency division multiplexing system via pulse shaping. In this study, an analytical model of introduced interference from neighbouring subcarriers caused by pulse shaping is firstly proposed. Signal-to-interference-plus-noise ratio (SINR) is calculated according to related GFDM models with different weighted-type fractional Fourier transform (WFRFT) precoding orders. Approximated bit error rate (BER) expressions are derived for the low complexity GFDM system over additive white Gaussian noise and fading channels based on the analysis of SINR. Particularly, the BER superiority of WFRFT precoding is highlighted over the fading channels. Furthermore, peak-to-average power ratio and out of band power suppression performances are simulated at different WFRFT orders to illustrate the advantages of WFRFT precoding.

引用

页码：916 / 924

页数：9

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