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Paper Abstract and Keywords
Presentation 2008-06-20 13:50
Study of New Mobile Converged Architecture:SIP-based Cellular Network Extension
Haruki Izumikawa (KDDI R&D Labs.), Shigeru Iwasaki, Junichi Kashima (KDDI), Yoji Kishi (KDDI R&D Labs.), Yuji Sako (KDDI), Riichiro Nagareda (KDDI R&D Labs.) IN2008-22
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, with the emergence of a wide variety of access technologies, dual/multi-mode terminals, which have several network interfaces (I/Fs), have been introduced. There have also been some proposals for network architectures where several access technologies are tightly coupled to provide communication services for such dual/multi-mode terminals. In this paper, the authors propose a new mobile converged architecture where an IP-based Wireless LAN (WLAN) network is integrated into an existing circuit switch-based cellular network. The proposed architecture provides a voice service to users via the existing circuit switch network and by IP-based WLAN controlled by Session Initiation Protocol (SIP). In the proposed architecture, a new type of interworking equipment, called a Base Station Controller Gateway (BSC-GW), is introduced to convert the existing cellular signaling into SIP signaling and vice-versa. The BSC-GW is directly connected to the Mobile Switching Center (MSC) and interworks the voice service over the IP-based WLAN with the voice service over the circuit switched cellular core network. The authors also introduce the procedures of registration, call origination/ termination at the WLAN area and handover between CS cellular and WLAN networks. The authors especially focus on incoming call processing to a user who connects with WLAN as well as the handover from a cellular network to a WLAN network.
Keyword (in Japanese) (See Japanese page) 
(in English) Converged network / Multi-mode terminal / Circuit switched voice / VoIP / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 92, IN2008-22, pp. 73-78, June 2008.
Paper # IN2008-22 
Date of Issue 2008-06-12 (IN) 
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 IN2008-22

Conference Information
Committee IN  
Conference Date 2008-06-19 - 2008-06-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network Control, QoS, Routing, Multicast, etc. 
Paper Information
Registration To IN 
Conference Code 2008-06-IN 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study of New Mobile Converged Architecture:SIP-based Cellular Network Extension 
Sub Title (in English)  
Keyword(1) Converged network  
Keyword(2) Multi-mode terminal  
Keyword(3) Circuit switched voice  
Keyword(4) VoIP  
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1st Author's Name Haruki Izumikawa  
1st Author's Affiliation KDDI R&D Laboratories (KDDI R&D Labs.)
2nd Author's Name Shigeru Iwasaki  
2nd Author's Affiliation KDDI Corporation (KDDI)
3rd Author's Name Junichi Kashima  
3rd Author's Affiliation KDDI Corporation (KDDI)
4th Author's Name Yoji Kishi  
4th Author's Affiliation KDDI R&D Laboratories (KDDI R&D Labs.)
5th Author's Name Yuji Sako  
5th Author's Affiliation KDDI Corporation (KDDI)
6th Author's Name Riichiro Nagareda  
6th Author's Affiliation KDDI R&D Laboratories (KDDI R&D Labs.)
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Speaker Author-1 
Date Time 2008-06-20 13:50:00 
Presentation Time 25 minutes 
Registration for IN 
Paper # IN2008-22 
Volume (vol) vol.108 
Number (no) no.92 
Page pp.73-78 
#Pages 6 
Date of Issue 2008-06-12 (IN) 

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