Presentation 2021-03-04
[Poster Presentation] Recovery of Partially Missing OFDM Signal in Time-Domain
Chengbo Liu, Na Chen, Minoru Okada,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) Orthogonal Frequency Division Multiplexing (OFDM) suffers from the partial time-domain loss which is caused by obstacles and Impulsive Noise (IN) in harsh industrial scenarios such as automatic factories. The conventional methods include Partial Packet Recovery (PPR) and Blanking Nonlinearity (BN). PPR determines the erroneous part and re-send this part. However, PPR should have feedback and may have delay. BN selects the proper threshold to blank the signal which is affected by IN. However, it is sensitive to the threshold. In this pa- per, we utilize OFDM with Suboptimal Maximum Likelihood sequence estimation (SML) (OFDM-SML) to recover the received partial time-domain signal caused by obstacles. Moreover, OFDM-SML with BN (OFDM-SMLB) is proposed to further improve the performance of the conventional blanking system.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Partial signal recovery / Impulsive noise / OFDM system
Paper # IT2020-127,ISEC2020-57,WBS2020-46
Date of Issue 2021-02-25 (IT, ISEC, WBS)

Conference Information
Committee WBS / IT / ISEC
Conference Date 2021/3/4(2days)
Place (in Japanese) (See Japanese page)
Place (in English) Online
Topics (in Japanese) (See Japanese page)
Topics (in English) Joint Meeting of WBS, IT, and ISEC
Chair Masanori Hamamura(Kochi Univ. of Tech.) / Tadashi Wadayama(Nagoya Inst. of Tech.) / Shoichi Hirose(Univ. of Fukui)
Vice Chair Takashi Shono(INTEL) / Masahiro Fujii(Utsunomiya Univ.) / Tetsuya Kojima(Tokyo Kosen) / Tetsuya Izu(Fujitsu Labs.) / Noboru Kunihiro(Tsukuba Univ.)
Secretary Takashi Shono(Okayama Univ. of Science) / Masahiro Fujii(National Defence Academy) / Tetsuya Kojima(Yamaguchi Univ.) / Tetsuya Izu(Saga Univ.) / Noboru Kunihiro(Tsukuba Univ.)
Assistant Duong Quang Thang(NAIST) / Masafumi Moriyama(NICT) / Masayuki Kinoshita(Chiba Univ. of Tech.) / Takahiro Ohta(Senshu Univ.) / Kazuki Yoneyama(Ibaraki Univ.)

Paper Information
Registration To Technical Committee on Wideband System / Technical Committee on Information Theory / Technical Committee on Information Security
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) [Poster Presentation] Recovery of Partially Missing OFDM Signal in Time-Domain
Sub Title (in English)
Keyword(1) Partial signal recovery
Keyword(2) Impulsive noise
Keyword(3) OFDM system
1st Author's Name Chengbo Liu
1st Author's Affiliation Nara Institute of Science and Technology(NAIST)
2nd Author's Name Na Chen
2nd Author's Affiliation Nara Institute of Science and Technology(NAIST)
3rd Author's Name Minoru Okada
3rd Author's Affiliation Nara Institute of Science and Technology(NAIST)
Date 2021-03-04
Paper # IT2020-127,ISEC2020-57,WBS2020-46
Volume (vol) vol.120
Number (no) IT-410,ISEC-411,WBS-412
Page pp.pp.98-103(IT), pp.98-103(ISEC), pp.98-103(WBS),
#Pages 6
Date of Issue 2021-02-25 (IT, ISEC, WBS)