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CN 34-1054/N

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An energy-saving scheduling scheme for two-hop relay networks

  • 1.

    Provincial Key Lab of Information Coding and Transmission, Southwest Jiaotong University, Chengdu 610031, China

  • 2.

    Department of Computing, Hong Kong Polytechnic University, Hongkong 999077, China

Cite this: JUSTC, 2009, 39(10): 1076-1083
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  • Author Bio:

    HUANG Gao-yong, male, born in 1980, PhD candidate. Research field: resource management in wireless communication.

  • Corresponding author:

    FANG Xu-ming

  • Received Date: May 11, 2009
  • Revised Date: July 24, 2009
  • Published Date: October 30, 2009
    Abstract
  • An energy-saving proportional fair (ESPF) scheduling scheme for OFDMA-based two-hop relay networks is proposed. By defining a proportional fair factor which is based on the upper limit of delay for different types of services and the energy consumption per bit, a packet scheduling algorithm and a flexible resource allocation scheme are proposed to avoid the waste of resources. Simulation results show that the proposed scheduling scheme can effectively decrease system energy consumption and improve system throughput while still satisfying the QoS requirements for different types of services.
    An energy-saving proportional fair (ESPF) scheduling scheme for OFDMA-based two-hop relay networks is proposed. By defining a proportional fair factor which is based on the upper limit of delay for different types of services and the energy consumption per bit, a packet scheduling algorithm and a flexible resource allocation scheme are proposed to avoid the waste of resources. Simulation results show that the proposed scheduling scheme can effectively decrease system energy consumption and improve system throughput while still satisfying the QoS requirements for different types of services.
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