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Two Phase Admission Control for QoS Mobile Ad Hoc Networks
Chien-Sheng CHEN Yi-Wen SU Wen-Hsiung LIU Ching-Lung CHI
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/02/01
Online ISSN: 1745-1361
Print ISSN: 0916-8532
Type of Manuscript: Special Section PAPER (Special Section on Architectures, Protocols, and Applications for the Future Internet)
quality of service (QoS), ad hoc on-demand distance vector (AODV), contention-aware admission control protocol (CACP),
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In this paper a novel and effective two phase admission control (TPAC) for QoS mobile ad hoc networks is proposed that satisfies the real-time traffic requirements in mobile ad hoc networks. With a limited amount of extra overhead, TPAC can avoid network congestions by a simple and precise admission control which blocks most of the overloading flow-requests in the route discovery process. When compared with previous QoS routing schemes such as QoS-aware routing protocol and CACP protocols, it is shown from system simulations that the proposed scheme can increase the system throughput and reduce both the dropping rate and the end-to-end delay. Therefore, TPAC is surely an effective QoS-guarantee protocol to provide for real-time traffic.