NDLI: Analysis and optimization of the (E)GPRS RLC protocol by simulations and measurements

Content Provider	IEEE Xplore Digital Library
Author	Ball, C.F. Ivanov, K. Bugl, L. Stockl, P.
Copyright Year	2004
Description	Author affiliation: I&C Mobile Networks, Siemens AG, Munich, Germany (Ball, C.F.; Ivanov, K.; Bugl, L.; Stockl, P.)
Abstract	A detailed analysis of the GPRS and EGPRS RLC/MAC protocol and its influence on the overall end-to-end performance has been performed. The end user application throughput depends on several parameters, such as the RLC polling period, the RLC window size, the RLC roundtrip time, and specific protocol implementation issues. Simulation and measurement results for optimum adjustment of the above parameters are given; they also demonstrate the superiority of the improved EGPRS protocol stack versus the original GPRS one. Additionally, a protocol performance improvement both for GPRS and EGPRS has been proposed by introducing a new concept of "RLC frequent retransmission prevention" on the sender side, allowing fast polling by simultaneously avoiding retransmission of RLC blocks with pending acknowledgement status. Fast polling is referred to as the introduction of a very short RLC polling period, with, e.g., 8 RLC blocks, versus moderate polling periods, e.g., of 16 or 24 RLC blocks. The proposed strategy for fast polling proves to provide a user throughput gain in the order of 20% for GPRS and 30% for EDGE.
Starting Page	115
Ending Page	119
File Size	429026
Page Count	5
File Format	PDF
ISBN	0780385233
DOI	10.1109/PIMRC.2004.1370847
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-09-05
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Protocols Analytical models Ground penetrating radar Throughput Automatic repeat request Downlink Base stations Delay Performance analysis Degradation
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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