NDLI: Admission Control and System Capacity Assessment of WiMAX with ACM and nb-LDPC Codes Simulation Study with ViMACCS ns2 Patch

Content Provider	IEEE Xplore Digital Library
Author	Flizikowski, A. Hołubowicz, W. Przybyszewski, M. Grzegorzewski, S.
Copyright Year	2010
Abstract	Authors propose to use cell level simulation as a natural follow up of the link level tests and a preliminary stage of the systematic approach to the system level tests in the context of IMT-Advanced candidates performance evaluation. The system under test (SUT) consists of flexible realizations of the WiMAX physical layer abstraction (providing customized fidelity and thus simulation complexity) with the nb-LDPC codes. The preliminary assessment of system capacity under quasi-mobility conditions (with ACM) is performed using human mobility models and freeware software for radio coverage planning. Moreover two symbol reservation schemes are evaluated in terms of effective bandwidth utilization, blocking and dropping probability. Complete sharing admission control mechanism (CSCAC) is used to show system performance under various load and mobility patterns. It is shown that using nb-LDPC codes improves system throughput in poor radio conditions as compared to RS-CC coding as in the IEEE 802.16e-2005 specification.
Starting Page	1077
Ending Page	1084
File Size	1505001
Page Count	8
File Format	PDF
ISBN	9781424466955
ISSN	1550445X
e-ISBN	9781424466962
DOI	10.1109/AINA.2010.154
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-04-20
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Admission control WiMAX System testing Context modeling Physical layer Capacity planning Humans Software performance Bandwidth System performance NS2 Admission Control nb-LDPC ACM
Content Type	Text
Resource Type	Article

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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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