Spectral Efficiency and Energy Harvesting in Multi-cell SLIPT Systems
Type
ArticleKAUST Department
Communication Theory LabComputer Science Program
Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
Electrical Engineering Program
Networks Laboratory (NetLab)
Date
2020-02-14Online Publication Date
2020-02-14Print Publication Date
2020-05Permanent link to this record
http://hdl.handle.net/10754/661141
Metadata
Show full item recordAbstract
In this paper, we study the performance of simultaneous lightwave information and power transfer (SLIPT) systems in a multi-cell indoor scenario. We investigate the energy harvesting and data rate performance of multiple users while meeting the lighting constraints. To this end, we develop optimization frameworks that tune the parameters of transmitters or receivers to improve the SLIPT system performance. Firstly, we model the relationship between tunable lens-based optical receivers concentrator gain and their fields of view. Next, we develop algorithms to maximize the spectral efficiency (SE) considering per-user minimum harvested energy requirements and lightning constraints by controlling the average light emitting diode (LED) excitation current or tuning the optical receivers’ fields of view. Then, we study the joint system performance limits of SE and total harvested energy. Towards this aim, we formulate multi-objective optimization problems and propose algorithms to find the best SE - energy harvesting tradeoff for both designing strategies. Finally, we present some extensive simulations to explore the benefits of the proposed algorithms comparing with basic benchmarks. Besides, we monitor the effect of changing several system parameters on the two objectives and the behavior of the inherent trade-off between them under both transmitter and receiver sides designing strategies.Citation
Abdelhady, A. M., Amin, O., Shihada, B., & Alouini, M.-S. (2020). Spectral Efficiency and Energy Harvesting in Multi-cell SLIPT Systems. IEEE Transactions on Wireless Communications, 1–1. doi:10.1109/twc.2020.2972314Additional Links
https://ieeexplore.ieee.org/document/8999794/https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=8999794
ae974a485f413a2113503eed53cd6c53
10.1109/TWC.2020.2972314