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Paper Abstract and Keywords
Presentation 2016-04-22 15:00
On Packet Loss Rate of Coded Frameless ALOHA for Massive Random Access
Shun Ogata, Koji Ishibashi (Univ. Electro-Commun.) RCS2016-22
Abstract (in Japanese) (See Japanese page) 
(in English) Frameless ALOHA is a random access scheme, where users transmit their packets with the given transmission probability and a base station tries to retrieve the transmitted packets using successive interference cancellation (SIC). Due to the probabilistic transmission, some packets may never be transmitted during the frame, leading to the error floor of the packet loss rate (PLR). In this paper, coded frameless ALOHA is proposed, where each user utilizes erasure correcting codes so that undecoded packets can be decoded from other recovered packets upon SIC. We derive the theoretical PLR performance of the proposed system by theoretically analyzing the behavior of SIC and decoder and show that the error floor of the PLR can be eliminated. Moreover, it is revealed that our proposed scheme can mitigate the variance of throughput than the original frameless ALOHA.
Keyword (in Japanese) (See Japanese page) 
(in English) frameless ALOHA / successive interference cancellation / erasure correcting codes / density evolution / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 11, RCS2016-22, pp. 123-128, April 2016.
Paper # RCS2016-22 
Date of Issue 2016-04-14 (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)
Download PDF RCS2016-22

Conference Information
Committee RCS  
Conference Date 2016-04-21 - 2016-04-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Romantopia, A Landscape of Forest and Stars, Hirosaki City 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Radio Access Technologies, etc. 
Paper Information
Registration To RCS 
Conference Code 2016-04-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) On Packet Loss Rate of Coded Frameless ALOHA for Massive Random Access 
Sub Title (in English)  
Keyword(1) frameless ALOHA  
Keyword(2) successive interference cancellation  
Keyword(3) erasure correcting codes  
Keyword(4) density evolution  
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1st Author's Name Shun Ogata  
1st Author's Affiliation The University of Electro-Communications (Univ. Electro-Commun.)
2nd Author's Name Koji Ishibashi  
2nd Author's Affiliation The University of Electro-Communications (Univ. Electro-Commun.)
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Speaker Author-1 
Date Time 2016-04-22 15:00:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2016-22 
Volume (vol) vol.116 
Number (no) no.11 
Page pp.123-128 
#Pages 6 
Date of Issue 2016-04-14 (RCS) 

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