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Paper Abstract and Keywords
Presentation 2006-10-20 09:00
Number of Attempts till Discovery Completion for GE-PON and GE-OSAN
Hiromi Ueda, Tetsuya Sofue, Toshinori Tsuboi, Hiroyuki Kasai (Tokyo Univ. of Tech.), Takumi Nomura (NCOS) CS2006-42
Abstract (in Japanese) (See Japanese page) 
(in English) OLT needs to discover ONUs connected newly in the Gigabit Ethernet Passive Optical Network (GE-PON) and our proposed Gigabit Ethernet Optical Switched Access Network (GE-OSAN); OLT measures round trip times between OLT and them and then assigns a Logical Link Identifier (LLID) to them. In this discovery, REGISTER_ACK messages that they sent in response to a discovery GATE message from OLT may collide with each other at passive optical splitters. To decrease this collision probability, each of them sends a REGISTER_ACK message at time when it adds a random delay time to the grand start time given by the discovery GATE message. This paper evaluates the relationship between the maximum value of random delay time and the number of attempts expected to be taken to register all ONUs for GE-PON using computer simulations, and then presents the suitable value of the maximum delay time. Based on the results, this paper also clarifies those for GE-OSAN.
Keyword (in Japanese) (See Japanese page) 
(in English) GE-PON / GE-OSAN / Discovery / ranging / random delay / / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 304, CS2006-42, pp. 35-40, Oct. 2006.
Paper # CS2006-42 
Date of Issue 2006-10-12 (CS) 
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 CS  
Conference Date 2006-10-19 - 2006-10-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Shiretoko Prince Hotel - Kazanamiki (Hokkaido) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Broadband Access, Home Network, ets. 
Paper Information
Registration To CS 
Conference Code 2006-10-CS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Number of Attempts till Discovery Completion for GE-PON and GE-OSAN 
Sub Title (in English)  
Keyword(1) GE-PON  
Keyword(2) GE-OSAN  
Keyword(3) Discovery  
Keyword(4) ranging  
Keyword(5) random delay  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Hiromi Ueda  
1st Author's Affiliation Tokyo University of Technology (Tokyo Univ. of Tech.)
2nd Author's Name Tetsuya Sofue  
2nd Author's Affiliation Tokyo University of Technology (Tokyo Univ. of Tech.)
3rd Author's Name Toshinori Tsuboi  
3rd Author's Affiliation Tokyo University of Technology (Tokyo Univ. of Tech.)
4th Author's Name Hiroyuki Kasai  
4th Author's Affiliation Tokyo University of Technology (Tokyo Univ. of Tech.)
5th Author's Name Takumi Nomura  
5th Author's Affiliation NEC Communication Systems, Ltd. (NCOS)
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Speaker Author-1 
Date Time 2006-10-20 09:00:00 
Presentation Time 25 minutes 
Registration for CS 
Paper # CS2006-42 
Volume (vol) vol.106 
Number (no) no.304 
Page pp.35-40 
#Pages 6 
Date of Issue 2006-10-12 (CS) 

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