Don't Push But Pull: Improving Awareness and Channel Utilization by Demand-Driven V2X Communication

Soyeon Kim, Hyogon Kim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Vehicle-to-everything (V2X) safety communication has always been "push"-based. From Day 1 through Day 3, principal messages are always broadcast regardless of the needs, or even the existence, of neighboring vehicles as consumers of the messages. The push-based transmission not only uses the scarce Intelligent Transport System (ITS) bandwidth a few times more than necessary, but also does not fully leverage the capabilities of highly automated vehicles including autonomous vehicles. This paper shows that "pull"-based V2X communication can be an attractive alternative to the conventional push-based paradigm for sensor-rich automated vehicles. With the case of Cooperative Awareness Message (CAM) for Day 1, this paper demonstrates that the pull-based V2X communication can improve both the channel utilization and the awareness of the driving scene compared with the conventional push-based communication.

Original languageEnglish
Title of host publication2023 IEEE 97th Vehicular Technology Conference, VTC 2023-Spring - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350311143
DOIs
Publication statusPublished - 2023
Event97th IEEE Vehicular Technology Conference, VTC 2023-Spring - Florence, Italy
Duration: 2023 Jun 202023 Jun 23

Publication series

NameIEEE Vehicular Technology Conference
Volume2023-June
ISSN (Print)1550-2252

Conference

Conference97th IEEE Vehicular Technology Conference, VTC 2023-Spring
Country/TerritoryItaly
CityFlorence
Period23/6/2023/6/23

Bibliographical note

Publisher Copyright:
© 2023 IEEE.

Keywords

  • V2X
  • awareness
  • broadcast
  • congestion
  • pull protocol
  • push protocol
  • sensors

ASJC Scopus subject areas

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

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