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A comparison of single- and multi-hop beaconing in VANETs

Published: 25 September 2009 Publication History

Abstract

Optimizing vehicular communication strategies is important for an efficient usage of the available wireless bandwidth and also critical for the success of VANETs. In this paper we address the fundamental and practical question whether the load on the wireless channel can be reduced if periodic beacon messages are transmitted over multiple hops with reduced transmit power instead of being transmitted over one hop with high transmit power. In particular, we look at the possible bandwidth savings that can be achieved by piggybacking forwarded messages into the own next beacon transmission. For that matter, we first propose an analytical model to compute a lower bound for the resulting channel load when single- or multi-hop dissemination of beacons is performed. In this model we assume optimal channel conditions and perfect relaying and piggybacking decisions to show that a reduction of the load by multi-hop is possible and closely related to piggybacking. Further, we show that the possible savings depend on the ratio between the size of the header and the payload of a beacon and that a reduction of the load is theoretically possible if the header is larger than the payload - what would be the case in VANETs if security overheads are considered part of the header. We then perform a simulative comparison of single- and multi-hop beaconing to evaluate the impact of effects such as packet collisions and channel fading. We show that the possible savings of multi-hop beaconing are difficult to exploit under non-perfect channel conditions and suboptimal relaying decisions.

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cover image ACM Conferences
VANET '09: Proceedings of the sixth ACM international workshop on VehiculAr InterNETworking
September 2009
134 pages
ISBN:9781605587370
DOI:10.1145/1614269
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Publication History

Published: 25 September 2009

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Author Tags

  1. VANETs
  2. analysis
  3. beaconing
  4. multi-hop
  5. piggybacking

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  • Research-article

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VANET '09 Paper Acceptance Rate 17 of 40 submissions, 43%;
Overall Acceptance Rate 26 of 64 submissions, 41%

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  • (2023)Error-Driven Information-Passing Policy for Model-Based Position Tracking in Vehicular NetworksIEEE Transactions on Vehicular Technology10.1109/TVT.2023.329717172:12(15375-15390)Online publication date: Dec-2023
  • (2022)Utilization of Convolutional Neural Networks for Roadside Unit Placement2022 17th Annual System of Systems Engineering Conference (SOSE)10.1109/SOSE55472.2022.9812662(261-266)Online publication date: 7-Jun-2022
  • (2022)Securing Real-Time Video Surveillance Data in Vehicular Cloud Computing: A SurveyIEEE Access10.1109/ACCESS.2022.317455410(51525-51547)Online publication date: 2022
  • (2022)An Implementation of V2R Data Delivery Method Based on MQTT for Road Safety ApplicationAdvanced Information Networking and Applications10.1007/978-3-030-99619-2_38(399-410)Online publication date: 31-Mar-2022
  • (2020)Adaptive Probabilistic Flooding for Information Hovering in VANETsJournal of Sensor and Actuator Networks10.3390/jsan90200299:2(29)Online publication date: 11-Jun-2020
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  • (2019)Clustering Algorithm in Vehicular Ad-hoc Networks: A Brief Summary2019 UK/ China Emerging Technologies (UCET)10.1109/UCET.2019.8881833(1-5)Online publication date: Aug-2019
  • (2018)Coordination of Congestion and Awareness Control in Vehicular NetworksElectronics10.3390/electronics71103357:11(335)Online publication date: 20-Nov-2018
  • (2018)Shapely Value Perspective on Adapting Transmit Power for Periodic Vehicular CommunicationsIEEE Transactions on Intelligent Transportation Systems10.1109/TITS.2017.277596519:3(977-986)Online publication date: Mar-2018
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