Full-duplex relay for millimeter wave vehicular platoon communications
- Authors
- Lee, J.-H.; Song, J.
- Issue Date
- Nov-2020
- Publisher
- MDPI AG
- Keywords
- Full-duplex; Millimeter wave; Platoon; Power allocation; Vehicle communication
- Citation
- Sensors (Switzerland), v.20, no.21, pp.1 - 15
- Journal Title
- Sensors (Switzerland)
- Volume
- 20
- Number
- 21
- Start Page
- 1
- End Page
- 15
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/40029
- DOI
- 10.3390/s20216072
- ISSN
- 1424-8220
- Abstract
- The safety and consistency of platoon-based driving are guaranteed via reliable communication between vehicles in a platoon. In this paper, we propose to exploit a full-duplex (FD) relay vehicle for millimeter-wave vehicular communications in platoon-based driving. Considering that a lead vehicle broadcasts information to all vehicles in a platoon, we consider two power allocation problems—maximizing broadcast information rates with a power constraint and minimizing power consumption with a quality-of-service constraint. In particular, for a four-vehicle platoon communication, we derive closed-form solutions for optimal power allocation and present numerical results to verify the performance of the proposed FD relay vehicles. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.
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