scholarly journals User Activity Detection and Channel Estimation for Grant-Free Random Access in LEO Satellite-Enabled Internet of Things

2020 ◽  
Vol 7 (9) ◽  
pp. 8811-8825 ◽  
Author(s):  
Zhaoji Zhang ◽  
Ying Li ◽  
Chongwen Huang ◽  
Qinghua Guo ◽  
Lei Liu ◽  
...  
Keyword(s):  
Internet Of Things ◽  
Channel Estimation ◽  
Random Access ◽  
Activity Detection ◽  
User Activity ◽  
Leo Satellite

scholarly journals Random Access in C-RAN for User Activity Detection With Limited-Capacity Fronthaul

2017 ◽  
Vol 24 (1) ◽  
pp. 17-21 ◽  
Author(s):  
Zoran Utkovski ◽  
Osvaldo Simeone ◽  
Tamara Dimitrova ◽  
Petar Popovski
Keyword(s):  
Random Access ◽  
Limited Capacity ◽  
Activity Detection ◽  
User Activity

Grant-Free Random Access in Massive MIMO Based LEO Satellite Internet of Things

2021 ◽  
Author(s):  
Zhen Gao ◽  
Keke Ying ◽  
Chen He ◽  
Zhenvu Xiao ◽  
Dezhi Zheng ◽  
...  
Keyword(s):  
Internet Of Things ◽  
Massive Mimo ◽  
Random Access ◽  
Leo Satellite

scholarly journals Iterative Joint Channel Estimation, User Activity Tracking, and Data Detection for FTN-NOMA Systems Supporting Random Access

2020 ◽  
Vol 68 (5) ◽  
pp. 2963-2977 ◽  
Author(s):  
Weijie Yuan ◽  
Nan Wu ◽  
Qinghua Guo ◽  
Derrick Wing Kwan Ng ◽  
Jinhong Yuan ◽  
...  
Keyword(s):  
Channel Estimation ◽  
Random Access ◽  
Data Detection ◽  
Activity Tracking ◽  
User Activity ◽  
Joint Channel
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