Sampling point selection scheme for fractional sampling-OFDM receivers on fast time-varying multipath channels

Tatsuya Kobayashi; Haruki Nishimura; Yukitoshi Sanada

doi:10.1109/VETECF.2010.5594182

Sampling point selection scheme for fractional sampling-OFDM receivers on fast time-varying multipath channels

Tatsuya Kobayashi, Haruki Nishimura, Yukitoshi Sanada

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

Fractional sampling (FS) and Doppler diversity equalization in OFDM receivers can achieve two types of diversity (path diversity and Doppler diversity) simultaneously on time-varying multipath channels. However FS with a higher sampling rate requires the large amount of complexity in demodulation. In this paper, a novel sampling point selection (SPS) scheme with MMSE equalization in FS-OFDM receivers is proposed. On fast time-varying multipath channels, the proposed scheme selects the appropriate samples from the fractionally sampled signals. Through the computer simulation, it is demonstrated that with the proposed scheme, both path diversity gain and Doppler diversity gain can increase as compared to a conventional non-SPS scheme.

Original language	English
Title of host publication	2010 IEEE 72nd Vehicular Technology Conference Fall, VTC2010-Fall - Proceedings
DOIs	https://doi.org/10.1109/VETECF.2010.5594182
Publication status	Published - 2010 Dec 1
Event	2010 IEEE 72nd Vehicular Technology Conference Fall, VTC2010-Fall - Ottawa, ON, Canada Duration: 2010 Sep 6 → 2010 Sep 9

Publication series

Name	IEEE Vehicular Technology Conference
ISSN (Print)	1550-2252

Other

Other	2010 IEEE 72nd Vehicular Technology Conference Fall, VTC2010-Fall
Country	Canada
City	Ottawa, ON
Period	10/9/6 → 10/9/9

ASJC Scopus subject areas

Computer Science Applications
Electrical and Electronic Engineering
Applied Mathematics

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Sampling point selection scheme for fractional sampling-OFDM receivers on fast time-varying multipath channels. / Kobayashi, Tatsuya; Nishimura, Haruki; Sanada, Yukitoshi.

2010 IEEE 72nd Vehicular Technology Conference Fall, VTC2010-Fall - Proceedings. 2010. 5594182 (IEEE Vehicular Technology Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kobayashi, T, Nishimura, H & Sanada, Y 2010, Sampling point selection scheme for fractional sampling-OFDM receivers on fast time-varying multipath channels. in 2010 IEEE 72nd Vehicular Technology Conference Fall, VTC2010-Fall - Proceedings., 5594182, IEEE Vehicular Technology Conference, 2010 IEEE 72nd Vehicular Technology Conference Fall, VTC2010-Fall, Ottawa, ON, Canada, 10/9/6. https://doi.org/10.1109/VETECF.2010.5594182

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abstract = "Fractional sampling (FS) and Doppler diversity equalization in OFDM receivers can achieve two types of diversity (path diversity and Doppler diversity) simultaneously on time-varying multipath channels. However FS with a higher sampling rate requires the large amount of complexity in demodulation. In this paper, a novel sampling point selection (SPS) scheme with MMSE equalization in FS-OFDM receivers is proposed. On fast time-varying multipath channels, the proposed scheme selects the appropriate samples from the fractionally sampled signals. Through the computer simulation, it is demonstrated that with the proposed scheme, both path diversity gain and Doppler diversity gain can increase as compared to a conventional non-SPS scheme.",

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N2 - Fractional sampling (FS) and Doppler diversity equalization in OFDM receivers can achieve two types of diversity (path diversity and Doppler diversity) simultaneously on time-varying multipath channels. However FS with a higher sampling rate requires the large amount of complexity in demodulation. In this paper, a novel sampling point selection (SPS) scheme with MMSE equalization in FS-OFDM receivers is proposed. On fast time-varying multipath channels, the proposed scheme selects the appropriate samples from the fractionally sampled signals. Through the computer simulation, it is demonstrated that with the proposed scheme, both path diversity gain and Doppler diversity gain can increase as compared to a conventional non-SPS scheme.

AB - Fractional sampling (FS) and Doppler diversity equalization in OFDM receivers can achieve two types of diversity (path diversity and Doppler diversity) simultaneously on time-varying multipath channels. However FS with a higher sampling rate requires the large amount of complexity in demodulation. In this paper, a novel sampling point selection (SPS) scheme with MMSE equalization in FS-OFDM receivers is proposed. On fast time-varying multipath channels, the proposed scheme selects the appropriate samples from the fractionally sampled signals. Through the computer simulation, it is demonstrated that with the proposed scheme, both path diversity gain and Doppler diversity gain can increase as compared to a conventional non-SPS scheme.

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Sampling point selection scheme for fractional sampling-OFDM receivers on fast time-varying multipath channels

Abstract

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