Presentation 2015-12-04
An Evaluation of High Quality Synchronization Method Based on Delayed and Symmetric Correlation in MIMO-OFDM
Sukeyuki Iwata, Masahito Umehara, Takashi Imagawa, Hiroshi Tsutsui, Yoshikazu Miyanaga,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) In this paper, we propose a highly accurate ODFM symbol timing synchronization method using cross–correlation in addition to delayed and central correlations for MIMO-OFDM systems. In OFDM systems, an FFT window position shift is a factor of inter-symbol interference since the shift shortens the effective guard interval foralleviating the effect of delay waves. Motivated by this, we propose a novel timing synchronization method which can be utilize even under multipath fading environments. For the evaluation of the proposed method, we compare a distribution of detected timing synchronization points and BER characteristics using the proposed method and an existing method. From the results, we confirmed that the effect of delay waves can be successfully suppressed and that BER improvement can be archived by the proposed method.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) MIMO-OFDM system / Multipath-fading / Timing synchronization / Delay correlation / Symmetric correlation
Paper # SIS2015-42
Date of Issue 2015-11-26 (SIS)

Conference Information
Committee SIS
Conference Date 2015/12/3(2days)
Place (in Japanese) (See Japanese page)
Place (in English) Matsuya-sensen (Awara city, Fukui)
Topics (in Japanese) (See Japanese page)
Topics (in English) SoC, Related to RFID, etc.
Chair Mitsuji Muneyasu(Kansai Univ.)
Vice Chair Hirokazu Tanaka(Hiroshima City Univ.) / Takayuki Nakachi(NTT)
Secretary Hirokazu Tanaka(Nagoya City Univ.) / Takayuki Nakachi(Toshiba)
Assistant Hiroyuki Tsuji(Kanagawa Inst. of Tech.) / Hakaru Tamukoh(Kyushu Inst. of Tech.)

Paper Information
Registration To Technical Committee on Smart Info-Media System
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) An Evaluation of High Quality Synchronization Method Based on Delayed and Symmetric Correlation in MIMO-OFDM
Sub Title (in English)
Keyword(1) MIMO-OFDM system
Keyword(2) Multipath-fading
Keyword(3) Timing synchronization
Keyword(4) Delay correlation
Keyword(5) Symmetric correlation
1st Author's Name Sukeyuki Iwata
1st Author's Affiliation Hokkaido University(Hokkaido Univ.)
2nd Author's Name Masahito Umehara
2nd Author's Affiliation Hokkaido University(Hokkaido Univ.)
3rd Author's Name Takashi Imagawa
3rd Author's Affiliation Hokkaido University(Hokkaido Univ.)
4th Author's Name Hiroshi Tsutsui
4th Author's Affiliation Hokkaido University(Hokkaido Univ.)
5th Author's Name Yoshikazu Miyanaga
5th Author's Affiliation Hokkaido University(Hokkaido Univ.)
Date 2015-12-04
Paper # SIS2015-42
Volume (vol) vol.115
Number (no) SIS-348
Page pp.pp.73-76(SIS),
#Pages 4
Date of Issue 2015-11-26 (SIS)