NDLI: TCP performance improvement in mobile networks with coverage problems

Content Provider	IEEE Xplore Digital Library
Author	Deak, C. Drozdy, A. Szilagyi, P. Vincze, Z. Vulkan, C.
Copyright Year	2013
Description	Author affiliation: Nokia Siemens Networks, Budapest, Hungary (Deak, C.; Drozdy, A.; Szilagyi, P.; Vincze, Z.; Vulkan, C.)
Abstract	Due to the evolution of mobile technology and the emergence of terminals like smart phones, Internet based applications mostly accessed over the Transmission Control Protocol (TCP) have become dominant on mobile platforms. However, since the TCP flow control mechanisms were designed for wired environments, short-term degradations on the air interface of radio access systems may lead to unnecessary performance drops. TCP freeze is a possible solution to improve such situations by triggering the persist mode of the TCP sender, preventing TCP timeouts and rate reductions during poor radio conditions. This paper investigates a network element based implementation of the TCP freeze mechanism, which has the advantage that it can accurately follow the radio conditions of the User Equipments (UE) while being completely transparent to the TCP sender and receiver. The possible performance gain of the solution was investigated by simulating a network with coverage holes. Results indicate that the network side freeze can considerably reduce the time the TCP connections spend in outage and thus it can increase the responsivity and data throughput provided by the system.
Starting Page	2303
Ending Page	2308
File Size	1330452
Page Count	6
File Format	PDF
ISBN	9781467331227
ISSN	15503607
DOI	10.1109/ICC.2013.6654873
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-09
Publisher Place	Hungary
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Receivers Handover Mobile communication Mobile computing Internet Protocols TCP optimization Radio interface problems TCP freeze
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
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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