End-to-End Delay Analysis in mmWave UAV-Assisted Wireless Caching Networks

Kai Min Liao, Guan Yi Chen, Yu Jia Chen, Yung Fang Chen

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

In this paper, we analyze the end-to-end delay bound of the uplink transmission in an unmanned aerial vehicle (UAV)-assisted wireless network, where the UAV acts as the edge caching node to enhance the quality of service for content providers. Due to the emerging wireless connected intelligent devices, it is expected that the uplink traffic will grow dramatically. Recently, cache-enabled UAV base stations (UAV- BSs) are proposed to relieve the massive upload contents from neighboring devices. Meanwhile, since the storage tasks are executed close to the devices, the network latency can be reduced, which is a promising way to provide delay-sensitive services. To understand the performance impact of UAV-based wireless caching, we adopt network calculus to analyze the upper bound of uplink latency. The proposed model takes into account the transmission failure probability caused by the mobility of UAVs. Our numerical results confirm the performance gain of using cache-enabled UAV-BSs in wireless mobile networks. This work can provide insights for the design of ultra-reliable and low latency communications in UAV systems.

Original languageEnglish
Title of host publication2020 IEEE Wireless Communications and Networking Conference Workshops, WCNCW 2020 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728151786
DOIs
StatePublished - Apr 2020
Event2020 IEEE Wireless Communications and Networking Conference Workshops, WCNCW 2020 - Seoul, Korea, Republic of
Duration: 25 May 202028 May 2020

Publication series

Name2020 IEEE Wireless Communications and Networking Conference Workshops, WCNCW 2020 - Proceedings

Conference

Conference2020 IEEE Wireless Communications and Networking Conference Workshops, WCNCW 2020
Country/TerritoryKorea, Republic of
CitySeoul
Period25/05/2028/05/20

Keywords

  • delay analysis.
  • network calculus
  • Unmanned aerial vehicle (UAV)
  • wireless edge caching

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