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Abstract
Future intelligent transportation systems will require complex networking infrastructures with communication among a huge number of vehicles and roadside nodes to support services such as autonomous driving. However, the deployment and operation of such a large number of roadside nodes is expensive due to either the cost of battery replacement or the maintenance of a continuous energy supply in long highways or rural areas. In this work, we evaluate the feasibility of a roadside unit harvesting energy from radio frequency (RF) signals transmitted by a nearby moving vehicle, with the incentive of using a part of the harvested energy to transmit small amounts of data to the vehicle. We consider a realistic model with the timing elements related to the movement of the vehicle, beam tracking errors, a non-linear model for energy harvesting, and potential line-of-sight obstructions in multi-vehicle scenarios. Results show that, with typical off-the-shelf components, it is feasible to use the RF harvested energy to transmit between a few hundred and several thousand bytes, depending on the speed of vehicles and the frequency of operation for energy harvesting, among other parameters.
Original language | English |
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Article number | 10580985 |
Journal | IEEE Open Journal of the Communications Society |
Volume | 5 |
Pages (from-to) | 4024-4035 |
Number of pages | 12 |
ISSN | 2644-125X |
DOIs | |
Publication status | Published - 2024 |
Bibliographical note
Publisher Copyright:© 2020 IEEE.
Keywords
- Intelligent transportation systems
- RF energy harvesting
- V2I communications
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Wireless Architectures for intelligent and Trusted connectivity in the posT-5G ERa (WATER)
Popovski, P. (Project Licensee)
07/04/2021 → 31/08/2027
Project: Research