A Markov-Based Multi-Attribute Vertical Handoff Decision Algorithm

Qing Yang Song; Xun Li; Shu Yu Ding; Zhao Long Ning

doi:10.4028/www.scientific.net/AMR.785-786.1403

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 785-786A Markov-Based Multi-Attribute Vertical Handoff...

A Markov-Based Multi-Attribute Vertical Handoff Decision Algorithm

Abstract:

Many vertical handoff decision algorithms have not considered the impact of call dropping during the vertical handoff decision process. Besides, most of current multi-attribute vertical handoff algorithms cannot predict users’ specific circumstances dynamically. In this paper, we formulate the vertical handoff decision problem as a Markov decision process, with the objective of maximizing the expected total reward during the handoff procedure. A reward function is formulated to assess the service quality during each connection. The G1 and entropy methods are applied in an iterative way, by which we can work out a stationary deterministic policy. Numerical results demonstrate the superiority of our proposed algorithm compared with the existing methods.

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Periodical:

Advanced Materials Research (Volumes 785-786)

Pages:

1403-1407

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.785-786.1403

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Online since:

September 2013

Authors:

Qing Yang Song, Xun Li, Shu Yu Ding, Zhao Long Ning

Keywords:

Entropy Method, HWNs, Vertical Handoff

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References

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