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Sampling Rate Selection for Fractional Sampling in OFDM

Haruki NISHIMURA, Mamiko INAMORI, Yukitoshi SANADA

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Summary :

Through fractional sampling, it is possible to separate multipath components and achieve diversity gain. However, power consumption grows as the sampling rate increases. This paper proposes a novel scheme for OFDM systems that selects the sampling rate according to the channel's frequency response. Numerical results through computer simulation show that the proposed sampling rate selection scheme reduces power consumption by reducing oversampling ratio when delay spread is small.

Publication
IEICE TRANSACTIONS on Communications Vol.E91-B No.9 pp.2876-2882
Publication Date
2008/09/01
Publicized
Online ISSN
1745-1345
DOI
10.1093/ietcom/e91-b.9.2876
Type of Manuscript
PAPER
Category
Fundamental Theories for Communications

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