Title
A Novel Mobility-Aware Playout Algorithm for VoIP Services.
Abstract
The latest explosive growth in mobile networks has resulted in an increasing interest in optimisation techniques for mobile services. Resent advances in mobile wireless networks incorporate link-layer intelligence in order to enhance the performance of network and application layers. The Media Independent Handover (MIH) standard provides a framework that can make such link-layer intelligence available to upper layers. In this paper, a novel MIH-enabled playout algorithm for Voice over Internet Protocol applications is presented that aims to compensate for the degradation of voice quality caused by handovers. To that end, link-layer triggers in conjunction with speech time-scale modification techniques are exploited to mitigate the increase in delay and jitter induced by the handover process. Results of subjective listening tests show typical gains of 0.3 on a 5-point scale of the Mean Opinion Score with respect to existing playout scheduling schemes.
Year
DOI
Venue
2017
10.1007/s11277-017-4305-1
Wireless Personal Communications
Keywords
Field
DocType
VoIP,Handover management,Playout algorithm,Fast handovers,WSOLA,MIH
Application layer,Scheduling (computing),Computer science,Media-independent handover,Computer network,Active listening,Algorithm,Mean opinion score,Real-time computing,Jitter,Handover,Voice over IP
Journal
Volume
Issue
ISSN
96
2
0929-6212
Citations 
PageRank 
References 
0
0.34
9
Authors
3
Name
Order
Citations
PageRank
Asimakis Lykourgiotis1284.54
Stavros A. Kotsopoulos255062.30
Tasos Dagiuklas338150.51