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Paper Abstract and Keywords
Presentation 2018-05-31 10:15
A Study of User Capacity for Massive MIMO in Urban Street Canyon Environment
Takuya Nitsu, Hiroaki Nakabayashi (Chiba Inst.Tech)
Abstract (in Japanese) (See Japanese page) 
(in English) The purpose of this study is to indicate a user capacity for a massive MIMO using a block diagonalization (BD) method in an urban street canyon environment of a 3D channel model that is proposed by 3rd generation partnership project (3GPP).
To clarify the user capacity, we distributed users randomly in one of three sectors in a cell the shape of which is a hexagonal grid, and obtained the propagation channels by the channel model, and calculated total channel capacities in the sector as the number of users increase.
As a result, the limit number of the user capacity KM became 0.77S/U (S: the number of BS elements and U: the number of MS elements) in LOS environment, and became 0.74S/U in NLOS environment. In addition, the deterioration rates of the channel capacity when the number of the accommodation users was KM were about 0.23 and 0.3 each in LOS and NLOS.
Keyword (in Japanese) (See Japanese page) 
(in English) Massive MIMO / 3D channel model / User capacity / Block diagonalization / / / /  
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Conference Information
Committee AP  
Conference Date 2018-05-30 - 2018-05-31 
Place (in Japanese) (See Japanese page) 
Place (in English) The University of Da nang, University of Science and Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) 2018 Vietnam-Japan International Symposium on Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2018-05-AP 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study of User Capacity for Massive MIMO in Urban Street Canyon Environment 
Sub Title (in English)  
Keyword(1) Massive MIMO  
Keyword(2) 3D channel model  
Keyword(3) User capacity  
Keyword(4) Block diagonalization  
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1st Author's Name Takuya Nitsu  
1st Author's Affiliation Chiba Institute of Technology (Chiba Inst.Tech)
2nd Author's Name Hiroaki Nakabayashi  
2nd Author's Affiliation Chiba Institute of Technology (Chiba Inst.Tech)
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Speaker Author-1 
Date Time 2018-05-31 10:15:00 
Presentation Time 20 minutes 
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