Presentation 2009-01-23
Path Diversity With Fractional Delay Transmission for Fractional Sampling-MIMO-OFDM System
Haruki HIGUCHI, Yukitoshi SANADA,
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Abstract(in English) 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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Keyword(in English) MIMO / OFDM / Fractional Sampling / Delay Transmission / Channel Capacity
Paper # SR2008-77
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Committee SR
Conference Date 2009/1/15(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Path Diversity With Fractional Delay Transmission for Fractional Sampling-MIMO-OFDM System
Sub Title (in English)
Keyword(1) MIMO
Keyword(2) OFDM
Keyword(3) Fractional Sampling
Keyword(4) Delay Transmission
Keyword(5) Channel Capacity
1st Author's Name Haruki HIGUCHI
1st Author's Affiliation Dept. of Electronics and Electrical Engineering, Keio University()
2nd Author's Name Yukitoshi SANADA
2nd Author's Affiliation Dept. of Electronics and Electrical Engineering, Keio University
Date 2009-01-23
Paper # SR2008-77
Volume (vol) vol.108
Number (no) 400
Page pp.pp.-
#Pages 5
Date of Issue