计算机科学 ›› 2022, Vol. 49 ›› Issue (7): 280-286.doi: 10.11896/jsjkx.210400067
单永峰1,2, 蒋锐1,2, 徐友云2 , 李大鹏1,2
SHAN Yong-feng1,2, JIANG Rui1,2, XU You-yun2, LI Da-peng1,2
摘要: 在全双工多中继协作无线携能通信网络中,传统的中继选择算法未考虑到未被选择中继的闲置利用问题,导致中继数量增加时网络的性能浪费愈加严重,如何开发未被选择中继的剩余潜能成为提升网络性能的关键。对此,设计了一种新的HTT(Harvest then Transmit)功率消耗方案,在中继配备电池的情形下,通过充分利用中继处的能量收集模块增加了被选择中继处的发射功率,从而进一步提升了系统容量。此外,针对提出的新的HTT功率消耗方案,考虑了BIKT(Battery Information Known at Transmitter)和BIUT(Battery Information Unknown at Transmitter)两种应用场景。仿真实验的结果表明,3种中继选择算法,即单中继选择算法、贪婪中继选择算法和穷竭搜索算法,在采用提出的新的HTT功率消耗方案后,无论是应用于BIKT场景还是BIUT场景均能有效提升系统容量并降低中断概率。
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