Performance Evaluation of HARQ-Assisted Hybrid Satellite-Terrestrial Relay Networks

被引：10
|
作者：
Wang, Rugang [1 ,2 ]
Zhou, Feng [1 ,3 ]
Bian, Jinhong [1 ]
An, Kang [4 ]
Guo, Kefeng [5 ]
机构：
[1] Yancheng Inst Technol, Sch Informat Technol, Yancheng 224051, Peoples R China
[2] Southeast Univ, Minist Educ, Key Lab Underwater Acoust Signal Proc, Nanjing 210096, Peoples R China
[3] Yancheng Inst Technol, Res Ctr Photoelect Technol, Yancheng 224051, Peoples R China
[4] Natl Univ Def Technol, Res Inst 63, Nanjing 210007, Peoples R China
[5] Space Engn Univ, Sch Space Informat, Beijing 101416, Peoples R China
来源：
IEEE COMMUNICATIONS LETTERS | 2020年 / 24卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Hybrid automatic repeat request; satellite-terrestrial relay network; delay-limited throughput; chase combining; incremental redundancy; CHANNELS;
D O I：
10.1109/LCOMM.2019.2962800
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This letter investigates the delay-limited throughput of a satellite-terrestrial relay network with hybrid automatic repeat request (HARQ) protocol in which a satellite communicates with a user with the aid of an amplify-and-forward (AF) terrestrial relay. Particularly, the proposed analysis includes both the channel state information (CSI)-assisted and the fixed gain AF relaying protocols for two representative HARQ schemes, namely, chase combining (CC) and incremental redundancy (IR). Numerical results are provided to evaluate the performance of different HARQ schemes and relay protocols, and also indicate the impact of key parameters, such as the HARQ round number and target information rate, on the achievable performance.
引用
收藏
页码：423 / 427
页数：5
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