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Paper Abstract and Keywords
Presentation 2017-03-02 09:30
A Contention Resolution Scheme with Parameter Adjustment Mechanism for Multi-Channel CATV Networks
Tomoya Saito (Yamaguchi Univ.), Hiroshi Inai (Okayama Prefectural Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) In DOCSIS, an upstream channel is shared by many stations, and the stations send out their data PDUs according to the random reservation manner. Before data transmission, the station must send a request in a random access manner during the reservation period. Recently, DOCSIS has introduced a concept in that the multiple upstream channels can be combined together to get greater aggregated bandwidth. However, DOCSIS does not provide a suitable contention resolution scheme for the aggregated upstream channel. On the other hand, for single upstream channel, DOCSIS employs the Truncated Binary Exponential Back-off scheme for request period allocation. But, that provides too small/large request periods which are used in the random reservation, the delay increases rapidly as the offered traffic increases. In this paper, we propose a contention resolution scheme for multi-channel CATV networks. Our scheme estimates the offered traffic of upstream channel according to success/failure condition of bnadwidth reservation, and dynamically adjusts a parameter used to allocate the request period. In order to evaluate performance of the proposed scheme, we build a queueing model and execute computer simulation. Simulation results present that the proposed scheme provides the smaller delay than the conventional scheme.
Keyword (in Japanese) (See Japanese page) 
(in English) Contention resolution / Random reservation / Parameter adjustment / CATV networks / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 485, IN2016-106, pp. 55-60, March 2017.
Paper # IN2016-106 
Date of Issue 2017-02-23 (IN) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee NS IN  
Conference Date 2017-03-02 - 2017-03-03 
Place (in Japanese) (See Japanese page) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To IN 
Conference Code 2017-03-NS-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Contention Resolution Scheme with Parameter Adjustment Mechanism for Multi-Channel CATV Networks 
Sub Title (in English)  
Keyword(1) Contention resolution  
Keyword(2) Random reservation  
Keyword(3) Parameter adjustment  
Keyword(4) CATV networks  
1st Author's Name Tomoya Saito  
1st Author's Affiliation Yamaguchi University (Yamaguchi Univ.)
2nd Author's Name Hiroshi Inai  
2nd Author's Affiliation Okayama Prefectural University (Okayama Prefectural Univ.)
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Date Time 2017-03-02 09:30:00 
Presentation Time 20 
Registration for IN 
Paper # IEICE-IN2016-106 
Volume (vol) IEICE-116 
Number (no) no.485 
Page pp.55-60 
#Pages IEICE-6 
Date of Issue IEICE-IN-2017-02-23 

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