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Platoon--assisted Vehicular Cloud in VANET Vision and Challenges

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Document pages: 9 pages

Abstract: Intelligent connected vehicles equipped with wireless sensors, intelligentcontrol system, and communication devices are expected to commercially launchand emerge on road in short-term. These smart vehicles are able topartially fully drive themselves; collect data from sensors, make and executedecisions based on that data; communicate with other vehicles, pedestrians, andnodes installed on the road; and provide infotainment and value-added services,such as broadband transmission of ultra-high definition video, files appsdownloading and uploading, online gaming, access to social media, audio videoconference streaming (office-in-car), live TV streaming, etc.; and so on. Inaddition, it is also possible for autonomous vehicles to form a "platoon " onroad; maintaining close proximity in order to reduce the consumption of fueland or emission of gas, decrease costs, increase safety, and enhance theefficiency of the legacy transportation system. These emerging vehicularapplications demand a large amount of computing and communication capacity toexcel in their compute-intensive and latency-sensitive tasks. Based on thesefacts, the authors of this paper presented a visionary concept -- "platoon-assisted vehicular cloud " -- that exploits underutilized resources inplatoons to augment vehicular cloud aiming to provide cost-effective andon-demand computing resources. Moreover, the authors presented three potentialscenarios and explained the exploitation of platoon resources and roadsideinfrastructure to facilitate new applications. Besides system design, the paperdid also summarize a number of open research challenges with the purpose ofmotivating new advances and potential solutions to this field.

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