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Paper Abstract and Keywords
Presentation 2021-09-09 16:20
Extension of Brock Kriging for User Distribution Estimation in Cellular Networks
Hideaki Kinsho, Daisuke Ikegami, Kei Takeshita, Masataka Masuda (NTT) CQ2021-49
Abstract (in Japanese) (See Japanese page) 
(in English) In order to improve the quality of user experience, carriers operating cellular networks aim to improve the performance of sectors in the base stations. These carriers try to adjust the number of accommodated users by changing the coverage of sectors. In order to adjust the number of users appropriately, it is desirable to change the coverage based on the distribution of users using the cellular network. However, since the distribution of users is unknown, the coverage change is based on empirical rules and is not always optimal. In this paper, we propose an extended method of block kriging to estimate the distribution of users using cellular networks. Block kriging is a kind of kriging, which is a typical spatial interpolation method. However, when it is applied to the estimation of user distribution in cellular networks, the estimation accuracy is degraded due to the small number of observations and the overlapping of multiple coverages. The proposed method addresses the degradation of estimation accuracy of the conventional method by adding a correction term to the conventional estimation formula and then iteratively estimating with various theoretical variograms. Simulation evaluations show that the proposed method can capture the trend of user distribution better than the conventional block kriging.
Keyword (in Japanese) (See Japanese page) 
(in English) Block Kriging / User Distribution Estimation / Cellular Networks / / / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 173, CQ2021-49, pp. 53-58, Sept. 2021.
Paper # CQ2021-49 
Date of Issue 2021-09-02 (CQ) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF CQ2021-49

Conference Information
Committee CQ MIKA  
Conference Date 2021-09-09 - 2021-09-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Communications Quality, 6G, IoT, Resource Management, Wireless Transmission, Cross layer Technologies, etc. 
Paper Information
Registration To CQ 
Conference Code 2021-09-CQ-MIKA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Extension of Brock Kriging for User Distribution Estimation in Cellular Networks 
Sub Title (in English)  
Keyword(1) Block Kriging  
Keyword(2) User Distribution Estimation  
Keyword(3) Cellular Networks  
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1st Author's Name Hideaki Kinsho  
1st Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
2nd Author's Name Daisuke Ikegami  
2nd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
3rd Author's Name Kei Takeshita  
3rd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
4th Author's Name Masataka Masuda  
4th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
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Speaker Author-1 
Date Time 2021-09-09 16:20:00 
Presentation Time 20 minutes 
Registration for CQ 
Paper # CQ2021-49 
Volume (vol) vol.121 
Number (no) no.173 
Page pp.53-58 
#Pages 6 
Date of Issue 2021-09-02 (CQ) 

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