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Centralized Energy Harvesting-Based TDMA Protocol for Terahertz NanoSensor Networks
Juan Xu1, Jiali Kan2, Yan Zhang3
1School of Electronics and Information Engineering, Tongji University Jiading Campus, Shanghai 201804, China. jxujuan@tongji.edu.cn.
Sensors (Basel, Switzerland)
|October 20, 2019
Summary
A new protocol for Terahertz wireless nano-sensor networks (WNSNs) optimizes energy harvesting and slot allocation. This approach maximizes data transmission in perpetual networks by using a centralized Markov decision process model.
Area of Science:
- Wireless Communication
- Sensor Networks
- Network Protocols
Background:
- Terahertz wireless nano-sensor networks (WNSNs) enable communication between nano-devices.
- Existing protocols may not optimally manage energy and data transmission in these networks.
Purpose of the Study:
- To propose a centralized energy harvesting-based time division multiple access (TDMA) protocol for WNSNs.
- To maximize packet transmission in perpetual WNSNs through optimal slot allocation.
Main Methods:
- A centralized nano-controller regulates channel access and allocates time slots.
- Nano-nodes report energy and buffer status to the nano-controller.
- A Markov decision process (MDP) model is constructed using network state information.
Main Results:
- The MDP model considers energy consumption and packet transmission for award function design.
- A globally optimal slot allocation strategy is derived.
- The proposed protocol aims to maximize data transmission in WNSNs.
Conclusions:
- The CEH-TDMA protocol offers a globally optimal solution for slot allocation in WNSNs.
- This approach enhances network efficiency by maximizing packet transmission.
- The study contributes to the advancement of energy-efficient WNSN communication.
