NDLI: Bandwidth Allocation Algorithm of VoIP Based on the Adaptive Linear Prediction in the IEEE 802.16 System

Content Provider	IEEE Xplore Digital Library
Author	Guan Yanfeng Hu Aiqun
Copyright Year	2006
Description	Author affiliation: Res. Center of Inf. Security, Southeast Univ., Nanjing (Guan Yanfeng; Hu Aiqun)
Abstract	This paper points out the factor that affects the VoIP ( voice over IP ) capacity under the PMP ( point-to-multipoint) mode in the IEEE 802.16 system. By theoretically analyzing the statistical characteristics of VoIP data streams, we propose a new bandwidth allocation algorithm and implement it based on the adaptive linear prediction, which can remarkably reduce the bandwidth waste resulted from UGS (unsolicited grant service) specified in the IEEE 802.16 standard and overcome the conservative nature of effective bandwidth. Simulation results show that this algorithm can improve VoIP capacity up to 150% and 50% compared with UGS and effective bandwidth, respectively. In addition, the packet loss rate and transfer delay are 1.4% and 5.1ms below between BS (base station) and SS (subscriber station) Respectively
Starting Page	16
Ending Page	19
File Size	3754372
Page Count	4
File Format	PDF
ISBN	0780395867
DOI	10.1109/ITST.2006.288750
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-21
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	UGS Quality of service Predictive models VoIP capacity Portable media players adaptive 802.16 Information security Bandwidth Channel allocation Markov processes Traffic control Streaming media Internet telephony
Content Type	Text
Resource Type	Article

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