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Paper Abstract and Keywords
Presentation 2015-11-05 15:50
[Invited Lecture] Characteristics Evaluation of Dense Multipath Component in 11GHz-band Indoor Environment
Kentaro Saito, Junichi Takada (Tokyo Institute of Technology), Kim Minseok (Niigata University) AP2015-138 RCS2015-223
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, the five-generation mobile communication system (5G) has been widely investigated in order to accommodate to the user traffic growing rapidly due to the spreads of tablet computers and various application services. Especially for that purpose, the utilization of higher frequency band above 10 GHz in which the wide band spectrum is expected to be available has been investigated actively. However, in the higher frequency bands, in addition to the higher propagation losses, it is thought that the influence of diffuse scattering will be more dominant in MIMO channel characteristic. Because the influence of diffuse scatter caused by the roughness of surfaces such as floors, walls, and ceilings becomes significant as the wavelength of radio wave decreases. Therefore the clarification and the modeling of diffuse scattering process in the higher frequency band becomes an important research topic in the 5G system. In this paper, the 11GHz band MIMO channel sounding was conducted in the LoS indoor environment to clarify the problem. The Specular Multipath Component (SMC) and the Dense Multipath Component (DMC) was estimated from the measured data by using SAGE algorithm and RiMAX algorithm. The results show that the DMC accounted for the 30% - 60% of the total received power. In the measurements, DMCs with high received power were observed, and it is thought that those came from the diffuse scatters from the floor and ceiling between the transmitter and the receiver. The results also show that the propagation parameters of DMC had significant correlations with the parameters of SMC not only in terms of the propagation delay but also the angular and polarization characteristics.
Keyword (in Japanese) (See Japanese page) 
(in English) Diffuse Scattering / Dense Multipath Component / MIMO channel / Propagation parameter estimation / RiMAX algorithm / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 286, AP2015-138, pp. 161-166, Nov. 2015.
Paper # AP2015-138 
Date of Issue 2015-10-28 (AP, RCS) 
ISSN Print edition: ISSN 0913-5685    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)
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Conference Information
Committee AP RCS WPT SAT  
Conference Date 2015-11-04 - 2015-11-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Prefectural Museum & Art Museum 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antenna and Propagation, Radio Communication, Satelite Communication, Wireless Power Transfer 
Paper Information
Registration To AP 
Conference Code 2015-11-AP-RCS-WPT-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Characteristics Evaluation of Dense Multipath Component in 11GHz-band Indoor Environment 
Sub Title (in English)  
Keyword(1) Diffuse Scattering  
Keyword(2) Dense Multipath Component  
Keyword(3) MIMO channel  
Keyword(4) Propagation parameter estimation  
Keyword(5) RiMAX algorithm  
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Keyword(8)  
1st Author's Name Kentaro Saito  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Institute of Technology)
2nd Author's Name Junichi Takada  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Institute of Technology)
3rd Author's Name Kim Minseok  
3rd Author's Affiliation Niigata University (Niigata University)
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Speaker Author-1 
Date Time 2015-11-05 15:50:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2015-138, RCS2015-223 
Volume (vol) vol.115 
Number (no) no.286(AP), no.288(RCS) 
Page pp.161-166(AP), pp.197-202(RCS) 
#Pages
Date of Issue 2015-10-28 (AP, RCS) 


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