NDLI: Service-aware Proactive Vertical Handoff algorithm based on Bandwidth Requirement Prediction

Content Provider	IEEE Xplore Digital Library
Author	Jingqing Mei Hong Ji Yi Li
Copyright Year	2011
Description	Author affiliation: Key Lab of Universal Wireless Communications Beijing University of Posts and Telecommunications, China (Jingqing Mei; Hong Ji; Yi Li)
Abstract	Due to the heterogeneity and versatility of emerging services and applications in wireless networks, it has been a great challenge to improve the system performance with both the awareness of service characteristics and the balance of the traffic between adjacent networks. This paper is committed to solve this problem by introducing a Service-aware Proactive Vertical Handoff (SPVH) algorithm in Heterogeneous Wireless Networks (HWN). A Bandwidth Requirement Prediction Model (BRPM) is illustrated at first, which is adaptive to the system condition variants to forecast traffic requests. Moreover, by adopting a service-aware objective utility function, each user could optimize the vertical handover decisions with awareness of the related supporting networks and service characteristics. Since the decision process is executed with consideration of BRPM predictions, the SPVH algorithm could avoid congestion in HWN through a proactive method. Experiment results show that the proposed SPVH can solidly enhance the system performance in terms of service access ratio, average access delay, system throughput, usage ratio of spectrum resource, and eventually achieve higher network utility.
Starting Page	569
Ending Page	573
File Size	397863
Page Count	5
File Format	PDF
ISBN	9781457701009
e-ISBN	9781457701016
DOI	10.1109/ChinaCom.2011.6158219
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-08-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	bandwidth requirement prediction Wireless LAN service-aware Wireless networks Bandwidth Predictive models WiMAX Prediction algorithms proactive heterogeneous wireless networks Manganese
Content Type	Text
Resource Type	Article

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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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