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An Adaptive Feedback Control Scheme for Resource Allocation in Wireless Ad Hoc Networks

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3 Author(s)
Chen Yi ; Nat. Eng. Res. Center of Multimedia Software, Wuhan Univ., Wuhan ; Gao Ge ; Hu Ruimin

A novel control-theoretic scheme is presented for resource allocation in wireless ad hoc networks based on virtual price. The degree of congestion on a wireless link can be symbolized an aggregate virtual price along a route, which depends mostly on the wireless node's queue occupancy. This approach adopts an adaptive approach to control the transmission rate at the source, named ASR controller. The object is to optimize the resource allocation dynamically through the transmission rate adjustment and stabilized the queue size of wireless links. The basic control theory approach for the algorithm is been presented, specifically z-transmission and Jury stability are used to achieve the stability. The performance of simulation indicates that the proposed scheme can achieve the goal of optimal channel capacity sharing among multi-hop flows and sharing bandwidth fairly.

Published in:

Wireless Communications, Networking and Mobile Computing, 2007. WiCom 2007. International Conference on

Date of Conference:

21-25 Sept. 2007