Presentation 2019-05-30
Consideration on direction of arrival estimation using circular array based on measurement results
Saki Uemura, Kentaro Nishimori, Ryotaro Taniguchi, Minoru Inomata, Koshiro Kitao, Tetsuro Imai,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) Use of the 5-generation mobile communication system (5G) in the millimeter wave band is assumed. In 5G, introduction of Massive MIMO is being considered. Massive MIMO can realize beamforming according to the position of the terminal in the environment with large propagation loss such as millimeter wave. Therefore, it is important to understand the direction of arrival in the millimeter wave band. In this report, we clarify the relationship between power, delay time, and direction of arrival when focusing on the horizontal direction by using a Massive array of 256 elements in 19 GHz band in the urban area of Niigata City. Also shows the arrival direction estimation result by the Beam Former (BF). In the circular array, it is also shown that the incoming signal is limited to a certain direction, and the arrival direction estimation result by BF shows that the number of clusters is at most about 2 to 3 in millimeter wave.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Massive MIMO / direction of arrival estimation / Beam Former / circular array
Paper # CQ2019-19
Date of Issue 2019-05-23 (CQ)

Conference Information
Committee CQ
Conference Date 2019/5/30(2days)
Place (in Japanese) (See Japanese page)
Place (in English) Hiroshima City University
Topics (in Japanese) (See Japanese page)
Topics (in English) Efficiency of Wireless Communications, Wireless Communication Quality, MIMO/Diversity/Multiplexing Techniques, Radio Resource Management, Cross-Layer Techniques, etc.
Chair Takanori Hayashi(Hiroshima Inst. of Tech.)
Vice Chair Hideyuki Shimonishi(NEC) / Jun Okamoto(NTT)
Secretary Hideyuki Shimonishi(NTT) / Jun Okamoto(Nippon Inst. of Tech.)
Assistant Chikara Sasaki(KDDI Research) / Yoshiaki Nishikawa(NEC) / Ryo Yamamoto(UEC)

Paper Information
Registration To Technical Committee on Communication Quality
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Consideration on direction of arrival estimation using circular array based on measurement results
Sub Title (in English)
Keyword(1) Massive MIMO
Keyword(2) direction of arrival estimation
Keyword(3) Beam Former
Keyword(4) circular array
1st Author's Name Saki Uemura
1st Author's Affiliation Niigata University(Niigata Univ.)
2nd Author's Name Kentaro Nishimori
2nd Author's Affiliation Niigata University(Niigata Univ.)
3rd Author's Name Ryotaro Taniguchi
3rd Author's Affiliation Niigata University(Niigata Univ.)
4th Author's Name Minoru Inomata
4th Author's Affiliation NTT Docomo(Docomo)
5th Author's Name Koshiro Kitao
5th Author's Affiliation NTT Docomo(Docomo)
6th Author's Name Tetsuro Imai
6th Author's Affiliation NTT Docomo(Docomo)
Date 2019-05-30
Paper # CQ2019-19
Volume (vol) vol.119
Number (no) CQ-61
Page pp.pp.43-46(CQ),
#Pages 4
Date of Issue 2019-05-23 (CQ)