Path diversity with fractional delay transmission for fractional sampling-MIMO-OFDM system

Haruki Higuchi; Yukitoshi Sanada

doi:10.1109/VETECF.2009.5378988

Path diversity with fractional delay transmission for fractional sampling-MIMO-OFDM system

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

Abstract

Through fractional sampling (FS) it is possible to separate multipath components and achieve path diversity. However, if no path component whose delay corresponds to the sampling point, FS cannot obtain diversity gain. In this paper, a novel scheme to improve the performance with FS over a sparse multipath channel is proposed. The proposed scheme uses multiple transmit antennas and transmit multiple signals with fractional delays. The performance improvement with the proposed scheme is confirmed through computer simulation. It is shown that the proposed scheme increases the capacity of a MIMO-OFDM system by a factor of 1.5 to 2.

Original language	English
Title of host publication	Proceedings of the 2009 IEEE 70th Vehicular Technology Conference Fall, VTC 2009 Fall
DOIs	https://doi.org/10.1109/VETECF.2009.5378988
Publication status	Published - 2009 Dec 1
Event	2009 IEEE 70th Vehicular Technology Conference Fall, VTC 2009 Fall - Anchorage, AK, United States Duration: 2009 Sept 20 → 2009 Sept 23

Publication series

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

Other

Other	2009 IEEE 70th Vehicular Technology Conference Fall, VTC 2009 Fall
Country/Territory	United States
City	Anchorage, AK
Period	09/9/20 → 09/9/23

ASJC Scopus subject areas

Computer Science Applications
Electrical and Electronic Engineering
Applied Mathematics

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10.1109/VETECF.2009.5378988

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Higuchi, H & Sanada, Y 2009, Path diversity with fractional delay transmission for fractional sampling-MIMO-OFDM system. in Proceedings of the 2009 IEEE 70th Vehicular Technology Conference Fall, VTC 2009 Fall., 5378988, IEEE Vehicular Technology Conference, 2009 IEEE 70th Vehicular Technology Conference Fall, VTC 2009 Fall, Anchorage, AK, United States, 09/9/20. https://doi.org/10.1109/VETECF.2009.5378988

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AB - Through fractional sampling (FS) it is possible to separate multipath components and achieve path diversity. However, if no path component whose delay corresponds to the sampling point, FS cannot obtain diversity gain. In this paper, a novel scheme to improve the performance with FS over a sparse multipath channel is proposed. The proposed scheme uses multiple transmit antennas and transmit multiple signals with fractional delays. The performance improvement with the proposed scheme is confirmed through computer simulation. It is shown that the proposed scheme increases the capacity of a MIMO-OFDM system by a factor of 1.5 to 2.

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Path diversity with fractional delay transmission for fractional sampling-MIMO-OFDM system

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