Modulation-based simultaneous wireless information and power transfer
| Autor: | Rui Dinis, Dushantha Nalin K. Jayakody, Bin Chen, Sofiene Affes, Akashkumar Rajaram |
|---|---|
| Přispěvatelé: | Signal Processing Systems, Information and Communication Theory Lab |
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Physics
business.industry 020206 networking & telecommunications 02 engineering and technology Spectral efficiency Code rate Topology Hybrid constellation shaping Computer Science Applications Reduction (complexity) QAM Signal-to-noise ratio Modulation simultaneous wireless information and power transfer Modeling and Simulation 0202 electrical engineering electronic engineering information engineering Wireless Electrical and Electronic Engineering business Quadrature amplitude modulation M-QAM modulation |
| Zdroj: | IEEE Communications Letters, 24(1):8862862, 136-140. Institute of Electrical and Electronics Engineers |
| ISSN: | 1089-7798 |
| Popis: | Due to the rapid growth of IoT and other connected devices, developing battery-less and/or self-sustainable devices to enable green communication is crucial. This letter presents a practical simultaneous wireless information and power transfer (SWIPT) scheme based on an $M$ -ary quadrature-amplitude modulation (QAM) modulation based technique ( ${MS} $ ). The proposed scheme employs hybrid constellation shaping system (HCS) to improve the spectral efficiency. We compare ${MS} $ with the traditional power splitting scheme based SWIPT ( ${PS} $ ) technique. We demonstrate that our proposed scheme outperforms ${PS} $ in terms of the error rate performance. ${MS} $ scheme is mainly focused on improving the reliability of low powered IoT sensors and it offers better achievable information rate at operating SNR region as compared to that of ${PS} $ . Those improvements come at the expense of a slight reduction in the maximum achievable spectral efficiency. |
| Databáze: | OpenAIRE |
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