Improvement on diversity gain with filter bandwidth expansion in fractional sampling OFDM receiver

Shinkai Toshiya, Haruki Nishimura, Yukitoshi Sanada

研究成果: Conference contribution

抄録

A diversity scheme with fractional sampling (FS) in an OFDM receiver is investigated recently. Through FS, it is possible to separate multipath components and obtain diversity gain in the OFDM system. Expansion of the bandwidth of the total response including transmit and receive baseband filters allows the FS scheme to achieve path diversity. However, the transmit filter is designed according to the spectrum mask of the standards to avoid interference to the other communication systems. In order to achieve the maximum SNR, the same filter is commonly used in the transmitter and the receiver. In this paper, the trade-off between the SNR deterioration and the diversity gain due to the total response larger than the minimal bandwidth is investigated. Numerical results through computer simulation indicate that BER performance with the receive filter of non-minimal bandwidth shows better performance than that with the filter for maximizing the SNR in certain conditions.

本文言語English
ホスト出版物のタイトルPACRIM 2009 - 2009 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing
ページ832-836
ページ数5
DOI
出版ステータスPublished - 2009
イベントPACRIM 2009 - 2009 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing - Victoria, BC, Canada
継続期間: 2009 8 232009 8 26

出版物シリーズ

名前IEEE Pacific RIM Conference on Communications, Computers, and Signal Processing - Proceedings

Other

OtherPACRIM 2009 - 2009 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing
国/地域Canada
CityVictoria, BC
Period09/8/2309/8/26

ASJC Scopus subject areas

  • 信号処理
  • コンピュータ ネットワークおよび通信

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