Non Orthogonal Multiple Access with Energy Harvesting Using Reconfigurable Intelligent Surfaces for Rayleigh Channels

2021 ◽  
Author(s):  
Faisal Alanazi
Keyword(s):  
Energy Harvesting ◽  
Multiple Access ◽  
Rayleigh Channels

scholarly journals Centralized Energy Harvesting-Based TDMA Protocol for Terahertz NanoSensor Networks

Sensors ◽  
2019 ◽  
Vol 19 (20) ◽  
pp. 4508 ◽  
Author(s):  
Juan Xu ◽  
Jiali Kan ◽  
Yan Zhang
Keyword(s):  
Energy Harvesting ◽  
Multiple Access ◽  
Packet Transmission ◽  
Global Perspective ◽  
Impact Factors ◽  
Slot Allocation ◽  
Data Buffer ◽  
Markov Decision ◽  
Time Division ◽  
Entire Network

Terahertz wireless nano-sensor networks (WNSNs) are novel networks interconnecting multiple nano-devices by means of wireless communication. In this paper, a centralized energy harvesting-based time division multiple access (TDMA) protocol, called CEH-TDMA is proposed. This protocol examines the data transmission process from a global perspective, where the nano-controller regulates the channel access and allocates time slots for all nano-nodes. First, each nano-node sends the remaining energy and the number of packets in its data buffer to the nano-controller, and then, the nano-controller constructs a Markov decision process (MDP) model according to the state information of all nano-nodes, where the energy consumption and the number of transmitted packets in the entire network are considered as impact factors in designing the award function in the MDP model. Finally, a globally optimal slot allocation strategy is obtained, which maximizes the amount of packet transmission in the perpetual WNSNs.

scholarly journals Multiple-Access Fading Channel With Wireless Power Transfer and Energy Harvesting

2014 ◽  
Vol 18 (10) ◽  
pp. 1863-1866 ◽  
Author(s):  
Zoran Hadzi-Velkov ◽  
Nikola Zlatanov ◽  
Robert Schober
Keyword(s):  
Energy Harvesting ◽  
Fading Channel ◽  
Multiple Access ◽  
Wireless Power Transfer ◽  
Power Transfer ◽  
Wireless Power
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