Tradeoff-HARQ Scheme for Full-Duplex SWIPT DF Relay

被引：0
|
作者：
Shi, Xiaoye [1 ]
Zhu, Haiting [1 ]
Ding, Fei [1 ]
Zhang, Zhaowei [1 ]
Bao, Nan [1 ]
机构：
[1] Nanjing Univ Posts & Telecommun, Sch Internet Things, Nanjing 210003, Peoples R China
来源：
WIRELESS COMMUNICATIONS & MOBILE COMPUTING | 2021年 / 2021卷
基金：
中国国家自然科学基金;
关键词：
SIMULTANEOUS WIRELESS INFORMATION; POWER TRANSFER; COOPERATIVE ARQ; NETWORKS;
D O I：
10.1155/2021/5550825
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The SWIPT (simultaneous wireless information and power transfer) DF (decoding and forwarding) relay system could achieve the purpose of both increasing revenue and reducing expenditure. By analysing the system model and transmission characteristics of full-duplex relay, this paper optimizes the retransmission slot structure to enhance the system performance. Firstly, the state transition model is established based on the analysis of the retransmission slot structure. Secondly, the state probability of each state and the transition probability between states are calculated to obtain the total data passing rate, energy transmission efficiency, and total transmission time. Thirdly, in order to compare the performance of various HARQ (hybrid automatic repeat request) schemes more effectively, JNTP (joint normalized throughput of information transmission and energy transmission) is constructed. Monte Carlo simulations finally confirm that the proposed tradeoff-HARQ scheme outperforms the regular-HARQ scheme in terms of JNTP: the performance of the tradeoff-HARQ scheme is 0.03883 higher than that of the regular-HARQ scheme when the total power limit is 20 dB and 0.00651 higher than that of the regular-HARQ scheme when the total power limit is 30 dB.
引用
收藏
页数：7
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