基于HARQ协议的多跳中继网络能量效率的跨层优化设计

肖博; 习勇; 韩君妹; 葛松虎

doi:10.11999/JEIT160264

基于HARQ协议的多跳中继网络能量效率的跨层优化设计

doi: 10.11999/JEIT160264

肖博^1, ,,
习勇¹,
韩君妹¹,
葛松虎²

1.
(国防科学技术大学电子科学与工程学院长沙 410073) ②(海军工程大学舰船综合电力技术国防科技重点实验室武汉 430033)

基金项目:

国家自然科学基金(61471376)

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- 被引次数: 0
出版历程
- 收稿日期: 2016-03-21
- 修回日期: 2016-08-01
- 刊出日期: 2017-01-19

Cross-layer Optimization Design of Energy Efficiency in HARQ Based Multihop Relay Networks

XIAO Bo^{1
, ,},
XI Yong¹,
HAN Junmei¹,
GE Songhu²

1.
(School of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, China)
2.
(National Key Laboratory for Vessel Integrated Power System Technology, Naval University of Engineering, Wuhan 430033, China)

Funds:

The National Natural Science Foundation of China (61471376)

摘要

摘要: 该文针对瑞利衰落信道中采用Chase合并混合自动重传请求(CC-HARQ)协议的多跳中继网络提出一种基于跨层设计的能量效率优化策略。为实现能量效率的最大化，基于对数域线性阈值的平均误帧率模型，推导出多跳CC-HARQ系统能量效率的闭合表达式，进而设计了最优发送帧长策略和最优发送功率分配方案，其次，针对发送帧长和发送功率分析了两者的联合优化方案。仿真结果验证了理论分析的正确性和可行性，仿真对比实验表明所提跨层优化设计方案可以有效提升实际多跳网络的能量效率性能。
- 跨层设计 /
- Chase合并混合自动重传请求 /
- 多跳中继 /
- 能量效率
Abstract: The cross-layer optimum scheme of Energy Efficiency (EE) for a multihop relay network with Chase- Combining based Hybrid Automatic Repeat reQuest (CC-HARQ) in Rayleigh fading channels is proposed. In order to maximize EE, a closed-form expression of Energy Efficiency in a multihop CC-HARQ system is derived, which is obtained via an average frame error rate model adopting a new log-domain linear threshold method, and then optimal frame length scheme and optimal transmission power allocation method are further designed, towards the frame length and transmission power, a joint optimization metric of those two parameters is considered. Simulation results verify the correctness and feasibility of the analytical solutions, meanwhile, simulation experiments of comparisons show that the proposed cross-layer optimization design is able to improve the EE performance of practical multihop networks.
- Cross-layer design /
- Chase-Combining based Hybrid Automatic Repeat reQuest (CC-HARQ) /
- Multihop relay /
- Energy Efficiency (EE)

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参考文献(18)

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