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08 October 2024 |
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Article overview
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Content Distribution based on Joint V2I and V2V Scheduling in mmWave Vehicular Networks | | Lan Su
; Yong Niu
; Zhu Han
; Bo Ai
; Ruisi He
; Yibing Wang
; Ning Wang
; Xiang Su
; | | Date: |
1 Jun 2022 | | Abstract: | With the explosive growth of vehicle applications, vehicular networks based
on millimeter wave (mmWave) bands have attracted interests from both academia
and industry. mmWave communications are able to utilize the huge available
bandwidth to provide multiple Gbps transmission rates among vehicles. In this
paper, we address the content distribution scheduling problem in mmWave
vehicular networks. It has been challenging for all vehicles in the same
network to complete content downloading due to the limited communication
resources of roadside units (RSUs) and the high mobility of vehicles. We
propose a joint vehicle-to-infrastructure (V2I) and vehicle-tovehicle (V2V)
scheduling scheme to minimize the total number of content distribution time
slots from a global optimization perspective. In the V2I phase, the RSU
serially transmits integrity content to vehicles, which are selected according
to the vehicular network topology and transmission scheduling scheme. In the
V2V phase, full-duplex communications and concurrent transmissions are
exploited to achieve content sharing between vehicles and improve transmission
efficiency. Performance evaluations demonstrate that our proposed scheme
reduces the number of time slots and significantly improves system throughput
when compared with other schemes, especially under large-size file transfers
and a large number of vehicles. | | Source: | arXiv, 2206.00308 | | Services: | Forum | Review | PDF | Favorites | |
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