Mobile VR Edge Delivery: Computing, Caching, and Communication Trade-Offs

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

We study the delivery of 360°-navigable videos to 5G virtual reality (VR) wireless clients in future cooperative multi-cellular systems. A collection of small cell base stations interconnected via backhaul links are sharing their caching and computing resources to maximize the aggregate reward they earn by serving 360° videos requested by the wireless clients. We design an efficient representation method to construct the 360° videos such that they deliver only the remote scene viewpoint content genuinely needed by the VR users, thereby overcoming the present highly inefficient approach of sending a bulky 360° video, whose major part is made up of scene information never navigated by a user. Moreover, we design an optimization framework that allows the base stations to select cooperative caching/rendering/streaming strategies that maximize the aggregate reward they earn when serving the users for the given caching/computational resources at each base station.

Original languageEnglish (US)
Title of host publicationWireless Edge Caching
Subtitle of host publicationModeling, Analysis, and Optimization
PublisherCambridge University Press
Pages368-386
Number of pages19
ISBN (Electronic)9781108691277
ISBN (Print)9781108480833
DOIs
StatePublished - Jan 1 2021

All Science Journal Classification (ASJC) codes

  • General Engineering
  • General Computer Science

Keywords

  • 5G
  • Cooperative caching
  • Edge caching
  • Streaming
  • Virtual reality

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