缓存辅助的协作NOMA携能传输

TN929.5; 为提升多用户无线携能通信系统吞吐量,设计了一种缓存辅助的协作非正交多址接入(NOMA)携能传输方案,在平均/峰值功耗、用户速率、缓存队列稳定性等约束条件下,最大化系统平均吞吐量.为降低优化复杂度,引入 Lyapunov 方法,将长期平均优化问题转化为一系列时间离散的子优化问题,并提出了一种自适应传输与资源分配优化算法,能根据时变信道/缓存状态,动态优化工作模式、用户调度和功率分配.仿真结果表明,与已有方案相比,所提方案可显著提升平均吞吐量,且实现时延与吞吐量间性能的折中....

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Published in通信学报 Vol. 44; no. 6; pp. 77 - 89
Main Authors 杨龙, 赵丽, 周雨晨, 贺冰涛, 陈健
Format Journal Article
LanguageChinese
Published 西安电子科技大学通信工程学院,陕西 西安 710071 25.06.2023
Subjects
能量收集
user scheduling
用户调度
buffer-aided
协作非正交多址接入
缓存辅助
energy harvesting
cooperative non-orthogonal multiple access
Online AccessGet full text
ISSN1000-436X
DOI10.11959/j.issn.1000-436x.2023107

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Abstract TN929.5; 为提升多用户无线携能通信系统吞吐量,设计了一种缓存辅助的协作非正交多址接入(NOMA)携能传输方案,在平均/峰值功耗、用户速率、缓存队列稳定性等约束条件下,最大化系统平均吞吐量.为降低优化复杂度,引入 Lyapunov 方法,将长期平均优化问题转化为一系列时间离散的子优化问题,并提出了一种自适应传输与资源分配优化算法,能根据时变信道/缓存状态,动态优化工作模式、用户调度和功率分配.仿真结果表明,与已有方案相比,所提方案可显著提升平均吞吐量,且实现时延与吞吐量间性能的折中.
AbstractList TN929.5; 为提升多用户无线携能通信系统吞吐量,设计了一种缓存辅助的协作非正交多址接入(NOMA)携能传输方案,在平均/峰值功耗、用户速率、缓存队列稳定性等约束条件下,最大化系统平均吞吐量.为降低优化复杂度,引入 Lyapunov 方法,将长期平均优化问题转化为一系列时间离散的子优化问题,并提出了一种自适应传输与资源分配优化算法,能根据时变信道/缓存状态,动态优化工作模式、用户调度和功率分配.仿真结果表明,与已有方案相比,所提方案可显著提升平均吞吐量,且实现时延与吞吐量间性能的折中.
Author 赵丽
贺冰涛
杨龙
周雨晨
陈健
AuthorAffiliation 西安电子科技大学通信工程学院,陕西 西安 710071
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Author_FL ZHOU Yuchen
HE Bingtao
CHEN Jian
YANG Long
ZHAO Li
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Keywords 能量收集
user scheduling
用户调度
buffer-aided
协作非正交多址接入
缓存辅助
energy harvesting
cooperative non-orthogonal multiple access
Language Chinese
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Snippet TN929.5; 为提升多用户无线携能通信系统吞吐量,设计了一种缓存辅助的协作非正交多址接入(NOMA)携能传输方案,在平均/峰值功耗、用户速率、缓存队列稳定性等约束条件下,最大化...
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