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Paper Abstract and Keywords
Presentation 2015-03-06 09:25
WiFi Assisted Dual-band MAC Protocol for Coordinated Beamforming among WiGig APs in Indoor Environment
Ehab Mahmoud Mohamed, Hideyuki Kusano, Kei Sakaguchi, Shinichi Miyamoto, Seiichi Sampei (Osaka Univ.) SR2014-138
Abstract (in Japanese) (See Japanese page) 
(in English) Wireless Gigabit (WiGig) Access Points (APs) using 60 GHz unlicensed frequency band are considered as a key enabler for future gigabit Wireless Local Area Networks (WLANs) as well as 5 G cellular networks. Beamforming (BF) is tremendously used with WiGig transmissions to enhance the link quality and overcome the channel propagation loss. The exhaustive search BF protocol, currently used by WiGig APs, causes a lot of packet collisions when multiple APs tend to work concurrently using random access. Accordingly, system throughput is highly decreased with a high increase in packet delay and packet dropping rate. In this paper, we propose an efficient dual-band (5 GHz/60 GHz) Medium Access Control (MAC) protocol to coordinate the BF operation among the WiGig APs using their wide coverage 5 GHz (WiFi) interfaces. Therefore, concurrent WiGig data transmissions can be successfully accomplished with a low number of packet collisions. Using the proposed coordinated BF, a higher system throughput, a lower packet delay and a lower packet dropping rate than those obtained using the conventional BF can be achieved.
Keyword (in Japanese) (See Japanese page) 
(in English) WiGig AP / Beamforming / MAC protocol / Statistical Learning / WiFi Fingerprints / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 491, SR2014-138, pp. 163-168, March 2015.
Paper # SR2014-138 
Date of Issue 2015-02-25 (SR) 
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)
Download PDF SR2014-138

Conference Information
Committee RCS SR SRW  
Conference Date 2015-03-04 - 2015-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Communication Workshop 
Paper Information
Registration To SR 
Conference Code 2015-03-RCS-SR-SRW 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) WiFi Assisted Dual-band MAC Protocol for Coordinated Beamforming among WiGig APs in Indoor Environment 
Sub Title (in English)  
Keyword(1) WiGig AP  
Keyword(2) Beamforming  
Keyword(3) MAC protocol  
Keyword(4) Statistical Learning  
Keyword(5) WiFi Fingerprints  
Keyword(6)  
Keyword(7)  
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1st Author's Name Ehab Mahmoud Mohamed  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Hideyuki Kusano  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Kei Sakaguchi  
3rd Author's Affiliation Osaka University (Osaka Univ.)
4th Author's Name Shinichi Miyamoto  
4th Author's Affiliation Osaka University (Osaka Univ.)
5th Author's Name Seiichi Sampei  
5th Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2015-03-06 09:25:00 
Presentation Time 25 minutes 
Registration for SR 
Paper # SR2014-138 
Volume (vol) vol.114 
Number (no) no.491 
Page pp.163-168 
#Pages 6 
Date of Issue 2015-02-25 (SR) 

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