Bandwidth-aware routing and admission control for efficient video streaming over MANETs

Title
Bandwidth-aware routing and admission control for efficient video streaming over MANETs
Author
Seokbum Ko
Keywords
Cross-layer communication; Bandwidth-aware; Video streaming; Wireless networks; Quality-of-service; Multipath routing; Session admission control
Issue Date
2015-01
Publisher
SPRINGER
Citation
WIRELESS NETWORKS, v. 21, NO 1, Page. 95-114
Abstract
In this paper, we develop and evaluate an adaptive self-configurable routing framework that can deal with dynamic nature of mobile ad hoc networks and provides quality-of-service (QoS) guarantees for efficient video streaming. Proposed framework mainly consists of two major components. Firstly, it is a reactive bandwidth-aware node-disjoint multipath routing protocol which determines routes based on the specified bandwidth requirements of the requesting application. The second component of the framework is a session admission control (SAC) process that permits or denies a session to enter into the network based on the current availability of network bandwidth. We also propose methods to handle QoS violations caused by network mobility and congestion by keeping backup routes, performing local route recovery, avoiding routing through short-lived low quality links and periodic monitoring of the active transmission routes. To verify our proposed algorithms, the network with H.264/SVC encoded video traces which are generated from real-time video traffic is used for modeling the behaviour of the source nodes. It has been observed that reactively discovered and maintained routes on the basis of the most recent information about network topology and available resources can significantly improve the admission decision accuracy of SAC process, in turn improving the quality of received video traffic significantly.
URI
http://hdl.handle.net/20.500.11754/21475http://link.springer.com/article/10.1007%2Fs11276-014-0774-2
ISSN
1022-0038
DOI
10.1007/s11276-014-0774-2
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > COMPUTER SCIENCE AND ENGINEERING(컴퓨터공학부) > Articles
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