On the Caching Performance of Vehicular Networks with Platooned Traffic

This work analyzes the performance of a cache-enabled vehicular communication network with platooned vehicular users aided by base stations (BSs) for cellular connectivity. We consider a caching scheme that prioritizes searching for files within the same platoon to minimize latency and resorts to th...

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Bibliographic Details
Published inIEEE Wireless Communications and Networking Conference : [proceedings] : WCNC pp. 1 - 6
Main Authors Sabu, Nithin V., Pandey, Kaushlendra, Gupta, Abhishek K., Banerjee, Adrish
Format Conference Proceeding
LanguageEnglish
Published IEEE 21.04.2024
Subjects
Base stations
Communication networks
Memory management
Real-time systems
Smart cities
Streaming media
Transportation
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Summary:This work analyzes the performance of a cache-enabled vehicular communication network with platooned vehicular users aided by base stations (BSs) for cellular connectivity. We consider a caching scheme that prioritizes searching for files within the same platoon to minimize latency and resorts to the BS connection if the file is unavailable in the platoon. The file access probability representing the probability of the typical vehicular user acquiring a file from another vehicle in the same platoon or from a BS is presented. We also study the design of optimal caching placement that maximizes the total file access probability subject to memory constraints. Further, design insights are provided with the help of derived expressions and numerical results. Results indicate that based on the system parameters and relative link quality of vehicular and cellular links, it may be optimal to cache more popular files or may not be optimal to cache any file at all.
ISSN:1558-2612
DOI:10.1109/WCNC57260.2024.10570651