基于Benders分解的无线网络协作节能机制

郑飞; 李文璟; 喻鹏; 丰雷; 孟洛明

doi:10.11999/JEIT160387

基于Benders分解的无线网络协作节能机制

doi: 10.11999/JEIT160387

郑飞¹,
李文璟^1, ,,
喻鹏¹,
丰雷¹,
孟洛明¹

基金项目:

国家863计划项目(2014AA01A701) ，国家自然科学基金(61271187)

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- 文章访问数: 1185
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- 被引次数: 0
出版历程
- 收稿日期: 2016-04-20
- 修回日期: 2016-07-28
- 刊出日期: 2017-02-19

Benders Decomposition Based Cooperative Energy-saving Mechanism in Wireless Networks

Funds:

The National 863 Program of China (2014AA01A701), The National Natural Science Foundation of China (61271187)

摘要

摘要: 该文为降低无线接入网的能耗，提出一种基于Benders分解的协作节能机制，通过协作基站选择和基站状态控制以解决基站休眠带来的弱覆盖问题。结合业务量分布和SINR空间变化建立协作基站的选择模型，用以找到合适的协作基站以及相应的休眠基站。并提出一个基于Benders分解的联合优化策略，控制基站活跃/休眠状态，实现网络容量与吞吐量间的平衡。仿真结果表明，该机制可在不增加发射功率的条件下实现覆盖补偿，并在至多42.6%的基站休眠时，仍能满足网络的基本性能要求。
- 无线网络 /
- 节能 /
- Benders分解 /
- 协作基站 /
- 联合优化策略
Abstract: To reduce the energy consumption in wireless access networks, a Cooperative Energy-Saving Mechanism based on Benders Decomposition (BD-CESM) is presented to solve inadequate coverage problem caused by BS dormancy by means of cooperative BS selection and BS state control. A cooperative BS selection model is designed to obtain appropriate cooperative BS and corresponding dormant BS according to the traffic load distribution and the spatial varying SINR. Then a Benders decomposition based joint optimization strategy is proposed to balance capacity with throughout via controlling on-off state of BS. The simulation results show that up to 42.6% of BS can be dormant while meeting basic network performance requirements. Furthermore, the coverage can be compensated without increasing transmitting power in the proposed mechanism.
- Wireless network /
- Energy consumption /
- Benders decomposition /
- Cooperative BS /
- Joint optimization strategy

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参考文献(17)

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