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Paper Abstract and Keywords
Presentation 2017-05-11 09:20
Study on Enhanced Intersite Coordination using Beam Search for 5G Low-SHF-Band Massive MIMO
Shohei Yoshioka, Satoshi Suyama, Tatsuki Okuyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2017-30
Abstract (in Japanese) (See Japanese page) 
(in English) The fifth-generation (5G) mobile communication system will utilize higher frequency bands with wider bandwidth for super high bit rate and large system capacity. In low-SHF-band, fully-digital Massive multiple-input multiple-output (MIMO) beamforming (BF) technology can be applied, and joint processing of digital fixed BF and channel state information (CSI)-based precoding (Digital FBCP) is proposed as one of the fully-digital methods. Additionally, it is assumed that multiple sites cover continuous areas early. Intersite coordination methods using Digital FBCP are proposed in order to transmit effectively multiple streams while decreasing intersite interference. For further improvement, in this paper, we study enhanced intersite coordination with beam search in Digital FBCP. Received power information applies interference-considered precoding method and determines applied area of the intersite coordination. Throughput performances of Digital FBCP with enhanced method are shown by link level simulation and this paper clarify that the enhanced method can improve throughput performance by utilizing received power information of beam search.
Keyword (in Japanese) (See Japanese page) 
(in English) 5G / Low-SHF-band / Massive MIMO / Digital Beamforming / Intersite Coordination / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 22, RCS2017-30, pp. 1-6, May 2017.
Paper # RCS2017-30 
Date of Issue 2017-05-04 (RCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
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技術研究報告に掲載された論文の著作権はIEICEに帰属します.(許諾番号:10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF RCS2017-30

Conference Information
Committee RCS IN NV  
Conference Date 2017-05-11 - 2017-05-12 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2017-05-RCS-IN-NV 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on Enhanced Intersite Coordination using Beam Search for 5G Low-SHF-Band Massive MIMO 
Sub Title (in English)  
Keyword(1) 5G  
Keyword(2) Low-SHF-band  
Keyword(3) Massive MIMO  
Keyword(4) Digital Beamforming  
Keyword(5) Intersite Coordination  
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1st Author's Name Shohei Yoshioka  
1st Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
2nd Author's Name Satoshi Suyama  
2nd Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
3rd Author's Name Tatsuki Okuyama  
3rd Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
4th Author's Name Jun Mashino  
4th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
5th Author's Name Yukihiko Okumura  
5th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
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Speaker
Date Time 2017-05-11 09:20:00 
Presentation Time 25 
Registration for RCS 
Paper # IEICE-RCS2017-30 
Volume (vol) IEICE-117 
Number (no) no.22 
Page pp.1-6 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2017-05-04 


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