A novel bandwidth allocation scheme for QoS routing in mobile ad hoc networks

Bin Wu; Geng-Sheng Kuo

doi:10.1117/12.571720

25 October 2004 A novel bandwidth allocation scheme for QoS routing in mobile ad hoc networks

Bin Wu, Geng-Sheng Kuo

Proceedings Volume 5598, Performance, Quality of Service, and Control of Next-Generation Communication Networks II; (2004) https://doi.org/10.1117/12.571720
Event: Optics East, 2004, Philadelphia, Pennsylvania, United States

Abstract

The main purpose of this paper is to propose a novel bandwidth allocation scheme for facilitating quality of service (QoS) routing in mobile ad hoc networks (MANETs). In a MANET using time division multiple access (TDMA), each node communicates with its neighbors in the same time slot. In general, finding a route with the maximum end-to-end bandwidth subject to the constraint of collision-free transmission is an NP-complete problem. This paper proposed a sub-optimal solution to this problem. The solution is based on a centrally controlled bandwidth allocation scheme to properly assign the available time slots to each intermediate link. The advantage of our proposed scheme is that the resource utilization of MANET is maximized and the end-to-end QoS is guaranteed during the route establishment period. Performance analyses show that when using the proposed scheme with AODV to perform QoS routing, it achieves about 25% throughput higher than its best-effort counterpart if the node is moving at 5mps speed.

Citation Download Citation

Bin Wu and Geng-Sheng Kuo "A novel bandwidth allocation scheme for QoS routing in mobile ad hoc networks", Proc. SPIE 5598, Performance, Quality of Service, and Control of Next-Generation Communication Networks II, (25 October 2004); https://doi.org/10.1117/12.571720

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