NDLI: On-demand session establishment for All IP-based mobile networks

Content Provider	IEEE Xplore Digital Library
Author	Kitatsuji, Y. Yokota, H.
Copyright Year	2010
Description	Author affiliation: KDDI R&D Laboratories, Inc., Fujimino, Saitama 356- 8502, Japan (Kitatsuji, Y.; Yokota, H.)
Abstract	Increasing demand for mobile data communications and for various applications encourages mobile network operators (MNOs) to deploy new radio access technologies (RATs). The third generation partner project (3GPP) has specified an all-IP-based mobile core network: evolved packet core (EPC) which can can accommodate a 3.9-G RAT (Long Term Evolution [LTE]) as well as conventional RATs, such as UMTS and CDMA2000. The cellular RATs can release radio resources (assignment of the radio frequency and the transmission time slot) when a mobile terminal (MT) is in an idle mode. However, the EPC nodes, such as anchor and mobile access gateways, maintain all these MT sessions. This means that MNOs are forced to retain the sufficient capacity in the gateways despite the fact that active MTs are much less than the total subscribing MTs. This paper proposes modifications to the service request procedure which establishes the communication path when an MT in the idle mode begins communications. The modification enables the EPC nodes to maintain the sessions only for MTs in an active mode where the MT has on-going communications. and to release the context (session-related information) for MTs in the idle mode. A simulation-based evaluation shows that the proposal can reduce the sessions maintained by MNOs to one fourth of the total MTs.
Starting Page	1
Ending Page	8
File Size	202738
Page Count	8
File Format	PDF
ISBN	9781424481675
e-ISBN	9781424481668
DOI	10.1109/NGI.2010.5534475
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-02
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Context Radio frequency Laboratories Telecommunication traffic Rats Mobile communication Proposals Data communication Research and development Long Term Evolution
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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