Transmission Strategy for Simultaneous Wireless Information and Power Transfer with a Non-Linear Rectifier Model
Most studies determining data rate or power conversion efficiency (PCE) of simultaneous wireless information and power transfer (SWIPT) focus on ideal models for the non-linear energy harvester, or focus on simplified waveforms that carry no information. In this paper, we study SWIPT using realistic...
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2020-07-01
|
| Series: | Electronics |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2079-9292/9/7/1082 |
| _version_ | 1797563556670996480 |
|---|---|
| author | Ning Pan Mohammad Rajabi Steven Claessens Dominique Schreurs Sofie Pollin |
| author_facet | Ning Pan Mohammad Rajabi Steven Claessens Dominique Schreurs Sofie Pollin |
| author_sort | Ning Pan |
| collection | DOAJ |
| description | Most studies determining data rate or power conversion efficiency (PCE) of simultaneous wireless information and power transfer (SWIPT) focus on ideal models for the non-linear energy harvester, or focus on simplified waveforms that carry no information. In this paper, we study SWIPT using realistic waveforms and a measurement-based energy harvesting model. For a special class of multisine waveforms carrying only information in the phase, we analyze PCE as a function of waveform design, including the impact of pre-equalization to mitigate wireless channel distortion. A balanced pre-equalizer that trades off between the peak-to-average power ratio (PAPR) and signal to noise ratio, maximizing the total PCE is proposed. The impact on the information rate of the analyzed waveforms is also presented. The results show that balanced pre-equalizers can improve the total PCE more than three times within 5% rate loss compared to the pre-equalizer that solely maximizes the signal PAPR or the capacity using the same transmit power. We also show that the maximum normalized PCE is increased by a factor of two by only allowing phase modulation to ensure the PAPR of one symbol, compared to traditional modulation schemes that carry information in both phase and amplitude to maximize spectral efficiency. |
| first_indexed | 2024-03-10T18:44:17Z |
| format | Article |
| id | doaj.art-259c964d5fa04bd096d60d389931592b |
| institution | Directory Open Access Journal |
| issn | 2079-9292 |
| language | English |
| last_indexed | 2024-03-10T18:44:17Z |
| publishDate | 2020-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Electronics |
| spelling | doaj.art-259c964d5fa04bd096d60d389931592b2023-11-20T05:34:13ZengMDPI AGElectronics2079-92922020-07-0197108210.3390/electronics9071082Transmission Strategy for Simultaneous Wireless Information and Power Transfer with a Non-Linear Rectifier ModelNing Pan0Mohammad Rajabi1Steven Claessens2Dominique Schreurs3Sofie Pollin4Department of Electrical Engineering (ESAT), KU Leuven, B-3001 Leuven, BelgiumDepartment of Electrical Engineering (ESAT), KU Leuven, B-3001 Leuven, BelgiumDepartment of Electrical Engineering (ESAT), KU Leuven, B-3001 Leuven, BelgiumDepartment of Electrical Engineering (ESAT), KU Leuven, B-3001 Leuven, BelgiumDepartment of Electrical Engineering (ESAT), KU Leuven, B-3001 Leuven, BelgiumMost studies determining data rate or power conversion efficiency (PCE) of simultaneous wireless information and power transfer (SWIPT) focus on ideal models for the non-linear energy harvester, or focus on simplified waveforms that carry no information. In this paper, we study SWIPT using realistic waveforms and a measurement-based energy harvesting model. For a special class of multisine waveforms carrying only information in the phase, we analyze PCE as a function of waveform design, including the impact of pre-equalization to mitigate wireless channel distortion. A balanced pre-equalizer that trades off between the peak-to-average power ratio (PAPR) and signal to noise ratio, maximizing the total PCE is proposed. The impact on the information rate of the analyzed waveforms is also presented. The results show that balanced pre-equalizers can improve the total PCE more than three times within 5% rate loss compared to the pre-equalizer that solely maximizes the signal PAPR or the capacity using the same transmit power. We also show that the maximum normalized PCE is increased by a factor of two by only allowing phase modulation to ensure the PAPR of one symbol, compared to traditional modulation schemes that carry information in both phase and amplitude to maximize spectral efficiency.https://www.mdpi.com/2079-9292/9/7/1082simultaneous wireless information and power transfernon-linear rectifiermulti-tone signaltransmission strategy |
| spellingShingle | Ning Pan Mohammad Rajabi Steven Claessens Dominique Schreurs Sofie Pollin Transmission Strategy for Simultaneous Wireless Information and Power Transfer with a Non-Linear Rectifier Model Electronics simultaneous wireless information and power transfer non-linear rectifier multi-tone signal transmission strategy |
| title | Transmission Strategy for Simultaneous Wireless Information and Power Transfer with a Non-Linear Rectifier Model |
| title_full | Transmission Strategy for Simultaneous Wireless Information and Power Transfer with a Non-Linear Rectifier Model |
| title_fullStr | Transmission Strategy for Simultaneous Wireless Information and Power Transfer with a Non-Linear Rectifier Model |
| title_full_unstemmed | Transmission Strategy for Simultaneous Wireless Information and Power Transfer with a Non-Linear Rectifier Model |
| title_short | Transmission Strategy for Simultaneous Wireless Information and Power Transfer with a Non-Linear Rectifier Model |
| title_sort | transmission strategy for simultaneous wireless information and power transfer with a non linear rectifier model |
| topic | simultaneous wireless information and power transfer non-linear rectifier multi-tone signal transmission strategy |
| url | https://www.mdpi.com/2079-9292/9/7/1082 |
| work_keys_str_mv | AT ningpan transmissionstrategyforsimultaneouswirelessinformationandpowertransferwithanonlinearrectifiermodel AT mohammadrajabi transmissionstrategyforsimultaneouswirelessinformationandpowertransferwithanonlinearrectifiermodel AT stevenclaessens transmissionstrategyforsimultaneouswirelessinformationandpowertransferwithanonlinearrectifiermodel AT dominiqueschreurs transmissionstrategyforsimultaneouswirelessinformationandpowertransferwithanonlinearrectifiermodel AT sofiepollin transmissionstrategyforsimultaneouswirelessinformationandpowertransferwithanonlinearrectifiermodel |