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Utility-based resource allocation for mixed traffic in wireless networks

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5 Author(s)
Li Chen ; Wireless Theor. & Technol. (WT&T), Beijing Univ. of Posts & Telecommun. (BUPT), Beijing, China ; Bin Wang ; Li Chen ; Xin Zhang
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In order to solve the problem that the existing resource allocation strategies cannot give integrative consideration to QoS, spectrum efficiency for mixed traffic, this paper proposes a utility-based resource allocation algorithm for mixed traffic in wireless networks. The unified utility function for users with different traffics is studied first. After that, the optimization model for the resource allocation is established based on the unified utility function. A heuristic algorithm based on the solution of the model is proposed in the mixed traffic scenario after analyzing the optimization model. The algorithm which has lower complexity than the existing work can automatically guarantee the QoS requirement for the real-time traffic and make a tradeoff between throughput and fairness for users with best effort traffic due to the unified utility function. Numeric simulation results indicate that the algorithm is very applicable for mixed traffic, and the resource requirements for QoS users can be satisfied preferentially in the mixed traffic scenario.

Published in:

Computer Communications Workshops (INFOCOM WKSHPS), 2011 IEEE Conference on

Date of Conference:

10-15 April 2011