Improved Nyquist windows for reduction of ICI in OFDM systems

Author

Di, Jing ; Li, Cuiran

Author_Institution

Inst. of Electr. & Inf. Eng., Lanzhou Jiaotong Univ., Lanzhou, China

fYear

2011

fDate

1-3 Nov. 2011

Firstpage

438

Lastpage

441

Abstract

This paper proposes a new class of second order polynomial Nyquist window functions for orthogonal frequency-division multiplexing (OFDM) system. The function is used for reducing the frequency offset induced by inter-carrier interference (ICI) at the receiver. Also, we give a method to select the window parameters to maximize the receiver SINR. The receiver with the proposed second order polynomial window is shown to have better performances of the average SINR and BER in slow fading channels, compared to the raised cosine window and "better than" Nyquist window.

Keywords

OFDM modulation; error statistics; fading channels; frequency estimation; intercarrier interference; polynomials; radio receivers; BER; ICI reduction; Nyquist windows; OFDM systems; SINR receiver; frequency offset; intercarrier interference; orthogonal frequency-division multiplexing system; raised cosine window; second order polynomial Nyquist window functions; second order polynomial window; slow fading channels; window parameters; Bit error rate; Frequency division multiplexing; Interference; OFDM; Polynomials; Receivers; Signal to noise ratio; Nyquist window; OFDM; carrier frequency offset; inter-carrier interference;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave, Antenna, Propagation, and EMC Technologies for Wireless Communications (MAPE), 2011 IEEE 4th International Symposium on

Conference_Location

Beijing

Print_ISBN

978-1-4244-8265-8

Type

conf

DOI

10.1109/MAPE.2011.6156293

Filename

6156293