Presentation 2023-11-16
[Invited Lecture] Fast Beam Search for Distributed Antenna Systems in High Frequency Bands
Shuki Wai, Takuto Arai, Tatsuhiko Iwakuni, Daisei Uchida, Naoki Kita,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) In order to further increase the capacity of wireless communications, attention is focused on the combination of high-frequency bandwidths, which provide a wide bandwidth, and distributed antennas, which enable line-of-sight in shielded environments. High-frequency band distributed antenna systems have the problem of increasing beam search overhead due to narrow beam transmission and the increase in the number of transmission points by distributed antennas for distance attenuation compensation. This paper describes the technical challenges and the need for fast beam search of high-frequency band distributed antenna systems and introduces the results of our research on fast beam search techniques to reduce this overhead.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Beam search / Millimeter wave / Sub-terahertz wave / Distributed antenna System
Paper # AP2023-143,RCS2023-166
Date of Issue 2023-11-08 (AP, RCS)

Conference Information
Committee AP / RCS
Conference Date 2023/11/15(3days)
Place (in Japanese) (See Japanese page)
Place (in English) Kumamoto Prefectural Workers' Welfare Hall
Topics (in Japanese) (See Japanese page)
Topics (in English) Adaptive Antenna, Equalization, Interference Canceler, MIMO, Wireless Communications, etc.
Chair Kunio Sakakibara(Nagoya Inst. of Tech.) / Kenichi Higuchi(Tokyo Univ. of Science)
Vice Chair YUAN Qiaowei(Tohoku Inst. of Tech.) / Fumihide Kojima(NICT) / Osamu Muta(Kyushu Univ.) / Naoto Ishii(NEC)
Secretary YUAN Qiaowei(Iwate Univ.) / Fumihide Kojima(Mitsubishi Electric) / Osamu Muta(Univ. of Electro-Comm) / Naoto Ishii(Sharp)
Assistant Tomoki Murakami(NTT) / Masashi Iwabuchi(NTT) / Issei Kanno(KDDI Research) / Yuyuan Chang(Tokyo Inst. of Tech) / Kazuki Maruta(Tokyo Univ. of Science) / Kiichi Tateishi(NTT Docomo)

Paper Information
Registration To Technical Committee on Antennas and Propagation / Technical Committee on Radio Communication Systems
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) [Invited Lecture] Fast Beam Search for Distributed Antenna Systems in High Frequency Bands
Sub Title (in English)
Keyword(1) Beam search
Keyword(2) Millimeter wave
Keyword(3) Sub-terahertz wave
Keyword(4) Distributed antenna System
1st Author's Name Shuki Wai
1st Author's Affiliation Nippon Telegraph and Telephone Corporation(NTT)
2nd Author's Name Takuto Arai
2nd Author's Affiliation Nippon Telegraph and Telephone Corporation(NTT)
3rd Author's Name Tatsuhiko Iwakuni
3rd Author's Affiliation Nippon Telegraph and Telephone Corporation(NTT)
4th Author's Name Daisei Uchida
4th Author's Affiliation Nippon Telegraph and Telephone Corporation(NTT)
5th Author's Name Naoki Kita
5th Author's Affiliation Nippon Telegraph and Telephone Corporation(NTT)
Date 2023-11-16
Paper # AP2023-143,RCS2023-166
Volume (vol) vol.123
Number (no) AP-262,RCS-263
Page pp.pp.67-72(AP), pp.71-76(RCS),
#Pages 6
Date of Issue 2023-11-08 (AP, RCS)