An on-demand, link-state, multi-path QoS routing in a wireless mobile ad-hoc network

The peer-to-peer multimedia applications have recently generated much interest in wireless network infrastructure with supporting the quality-of-service (QoS) communications. In this paper, we propose a new on-demand QoS routing, namely link-state multi-path QoS routing, protocol in a wireless mobil...

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Bibliographic Details
Published in:Computer communications 2004, Vol.27 (1), p.27-40
Main Authors: Chen, Yuh-Shyan, Tseng, Yu-Chee, Sheu, Jang-Ping, Kuo, Po-Hsuen
Format: Article
Language:English
Subjects:
Bandwidth
CDMA-over-TDMA
Mobile ad-hoc network
Mobile communications
Mobile computing
Multi-path
Multimedia
Networks
Quality of service routing
Wireless communications
Wireless network
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Summary:The peer-to-peer multimedia applications have recently generated much interest in wireless network infrastructure with supporting the quality-of-service (QoS) communications. In this paper, we propose a new on-demand QoS routing, namely link-state multi-path QoS routing, protocol in a wireless mobile ad-hoc network (MANET). Our proposed scheme offers a bandwidth routing protocol for QoS support in a multihop mobile network. Our QoS routing protocol determines the end-to-end bandwidth calculation and bandwidth allocation at the destination. Our protocol collects link bandwidth information from source to destination in order to construct a network topology with the information of link bandwidth at the destination. To satisfy a given bandwidth requirement, the bandwidth calculation of the QoS route are determined at the destination to accurately determine the QoS uni-path or multi-path route depending on the status of network bandwidth. Our routing scheme may offer a multi-path route if a MANET with the insufficient network bandwidth, and provide a uni-path route if the network bandwidth is sufficient. The destination eventually determines the QoS multi-path routes and replies to the source host to perform the bandwidth reservation. Our routing scheme obviously improves the success rate of identifying a QoS route, and the simulation result demonstrates this improvement.
ISSN:0140-3664
1873-703X
DOI:10.1016/S0140-3664(03)00176-2