ETRI Journal

  • 제34권2호
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  • Pages.159-167
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  • 2012
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  • 1225-6463(pISSN)
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  • 2233-7326(eISSN)
한국전자통신연구원 (Electronics and Telecommunications Research Institute)
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Distributed Resource Allocation in Two-Hierarchy Networks

  • Liu, Shuhui (School of Information and Communications Engineering, Beijing University of Posts and Telecommunications) ;
  • Chang, Yongyu (School of Information and Communications Engineering, Beijing University of Posts and Telecommunications) ;
  • Wang, Guangde (School of Information and Communications Engineering, Beijing University of Posts and Telecommunications) ;
  • Yang, Dacheng (School of Information and Communications Engineering, Beijing University of Posts and Telecommunications)
  • 투고 : 2011.07.15
  • 심사 : 2011.09.15
  • 발행 : 2012.04.04
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초록

In this paper, a new distributed resource allocation algorithm is proposed to alleviate the cross-tier interference for orthogonal frequency division multiplexing access macrocell and femtocell overlay. Specifically, the resource allocation problem is modeled as a non-cooperative game. Based on game theory, we propose an iterative algorithm between subchannel and power allocation called distributed resource allocation which requires no coordination among the two-hierarchy networks. Finally, a macrocell link quality protection process is proposed to guarantee the macrocell UE's quality of service to avoid severe cross-tier interference from femtocells. Simulation results show that the proposed algorithm can achieve remarkable performance gains as compared to the pure waterfilling algorithm.

키워드

참고문헌

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피인용 문헌

  1. Stackelberg game based interference management for two-tier femtocell networks vol.19, pp.7, 2013, https://doi.org/10.1007/s11276-013-0562-4
  2. Hierarchical-Game-Based Uplink Power Control in Femtocell Networks vol.63, pp.6, 2014, https://doi.org/10.1109/tvt.2013.2296977
  3. A demand‐based spectrum orthogonalisation scheme for interference avoidance in LTE‐Advanced heterogeneous networks vol.27, pp.10, 2012, https://doi.org/10.1002/ett.2860