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异构密集网络下基于POMDP负载感知的负载均衡算法研究

唐伦 梁荣 张亚 陈前斌

唐伦, 梁荣, 张亚, 陈前斌. 异构密集网络下基于POMDP负载感知的负载均衡算法研究[J]. 电子与信息学报, 2017, 39(9): 2134-2140. doi: 10.11999/JEIT161347
引用本文: 唐伦, 梁荣, 张亚, 陈前斌. 异构密集网络下基于POMDP负载感知的负载均衡算法研究[J]. 电子与信息学报, 2017, 39(9): 2134-2140. doi: 10.11999/JEIT161347
TANG Lun, LIANG Rong, ZHANG Ya, CHEN Qianbin. Load Balance Algorithm Based on POMDP Load-aware in Heterogeneous Dense Cellular Networks[J]. Journal of Electronics & Information Technology, 2017, 39(9): 2134-2140. doi: 10.11999/JEIT161347
Citation: TANG Lun, LIANG Rong, ZHANG Ya, CHEN Qianbin. Load Balance Algorithm Based on POMDP Load-aware in Heterogeneous Dense Cellular Networks[J]. Journal of Electronics & Information Technology, 2017, 39(9): 2134-2140. doi: 10.11999/JEIT161347

异构密集网络下基于POMDP负载感知的负载均衡算法研究

doi: 10.11999/JEIT161347
基金项目: 

国家863计划项目(2014AA01A701),国家自然科学基金(61571073)

Load Balance Algorithm Based on POMDP Load-aware in Heterogeneous Dense Cellular Networks

Funds: 

The National 863 Program of China (2014AA 01A701), The National Natural Science Foundation of China (61571073)

  • 摘要: 针对异构密集网络场景中业务不确定性而引起的网络负载不均衡,该文提出一种基于部分可测马尔科夫决策过程(POMDP)负载感知的负载均衡方法。该方法首先通过对系统用户在感知周期内数据包传输数量进行观察,预测出下一周期系统可能出现的负载状态。其次根据负载感知结果动态调整小区范围扩展偏置值(DCRE),以达到优化系统整体负载均衡性的目的。最后采用启发式算法近似求解,能够快速得到次优解。仿真结果表明,该方案能在异构密集网络下提高系统负载均衡性,同时提升了系统吞吐量与系统资源利用率。
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出版历程
  • 收稿日期:  2016-12-08
  • 修回日期:  2017-03-24
  • 刊出日期:  2017-09-19

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