Title :
Incentive Scheduler Algorithm for Cooperation and Coverage Extension in Wireless Networks
Author :
Gueguen, Cedric ; Rachedi, A. ; Guizani, Mohsen
Author_Institution :
Syst. Aleatoires Lab., Univ. of Rennes 1, Rennes, France
Abstract :
In this paper, we focus on wireless coverage extension and nodes´ cooperation. We propose a new protocol based on an incentive approach and a scheduling algorithm to reward cooperative nodes. The cost of cooperation can be prohibitively expensive in terms of quality of service (QoS) and energy consumption, which does not motivate some nodes to cooperate. Therefore, we introduce a percentage of cooperation and QoS parameters in the scheduling algorithm called coverage extension based on incentive scheduling to incite potential mobile relaying nodes to cooperate and, in turn, extend the wireless areas. We use the cross-layer approach to optimize the QoS parameters. The proposed solution not only incites the nodes to cooperate but enhances the QoS by increasing the average throughput and decreasing the delay as well. The simulation results show that the proposed solution not only gives better results than the well-known scheduling algorithms, such as maximum signal-to-noise ratio (MaxSNR) and weighted fair opportunistic (WFO), but allows the cooperative mobile nodes to increase their own throughput by around 114% as well. The total amount of data transmitted out of the cell to extend the coverage can be increased by around 59% compared with the scheduling algorithm MaxSNR.
Keywords :
protocols; quality of service; radio networks; cooperative mobile nodes; cooperative nodes; energy consumption; incentive scheduler algorithm; incentive scheduling algorithm; maximum signal to noise ratio; nodes cooperation; protocol; quality of service; weighted fair opportunistic; wireless coverage extension; wireless networks; Mobile communication; Protocols; Quality of service; Resource management; Scheduling algorithms; Throughput; Wireless networks; Cooperation; coverage extension; incentive scheduling; multipath fading; quality of service (QoS); selfish nodes;
Journal_Title :
Vehicular Technology, IEEE Transactions on
DOI :
10.1109/TVT.2012.2225855