Energy-Efficient Resource Allocation in CoMP Systems with Backhaul Capacity Constraints

Qi Wen Wan; Xiang Ming Wen; Zhao Ming Lu; Hai Jun Zhang; Jun Zhao

doi:10.4028/www.scientific.net/AMM.716-717.1312

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 716-717Energy-Efficient Resource Allocation in CoMP...

Energy-Efficient Resource Allocation in CoMP Systems with Backhaul Capacity Constraints

Abstract:

Energy efficient resource allocation is one of the critical issues for the coordinated multipoint (CoMP) transmission system, where the signal received by each mobile station needs to be converged among multiple base stations (BSs) in the same cluster. However, as the interaction of the system is frequent, the overhead of the backhaul signaling will be enormous. In this paper, an iterative resource allocation and scheduling algorithm (IRASA) with dual method is proposed to solve the optimization problem aiming to maximize the system energy efficiency, which considers the backhaul capacity constraints, circuit power consumption and zero forcing pre-coding (ZFP). Simulation results show that our proposed IRASA can significantly improve the energy efficiency of the system with the backhaul capacity constraints.

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Periodical:

Applied Mechanics and Materials (Volumes 716-717)

Pages:

1312-1317

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.716-717.1312

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Online since:

December 2014

Authors:

Qi Wen Wan*, Xiang Ming Wen, Zhao Ming Lu, Hai Jun Zhang, Jun Zhao

Keywords:

Backhaul Capacity Constraints, CoMP, Energy Efficiency, Resource Allocation, Zero-Forcing

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* - Corresponding Author

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