Broadcasting safety information in vehicular networks: issues and approaches

Chen, R.; Jin, Wen-Long; Regan, Amelia

doi:10.1109/mnet.2010.5395779

Cited by 145 publications

(51 citation statements)

References 8 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…We have to note, however, that due to the untrusted nature of the host, it can be the case that it may not forward the revocation message to the TC for further processing. As we will elaborate in Section VI-B, the implementation of a "heartbeat" mechanism (similar to the one used for monitoring the status of one-hop vehicular topologies [29]) can provide protection against such malevolent actions. The RA sends out a message every cycle (which is expected to be received by TCs), either a revocation request or a signed and timestamped heartbeat message.…”

Section: Motivation and Design Choicesmentioning

confidence: 99%

Privacy-enhanced capabilities for VANETs using direct anonymous attestation

Whitefield

Chen

Giannetsos

et al. 2017

2017 IEEE Vehicular Networking Conference (VNC)

View full text Add to dashboard Cite

Abstract-In this paper, we propose a novel secure and privacypreserving solution for V2X systems leveraging widely accepted trusted computing technologies. Our approach systematically addresses all key aspects, i.e., security, privacy and accountability (revocation). By reflecting on state-of-the-art pseudonym architectures, we identify their limitations focusing on pseudonym reusage policies and revocation mechanisms. We propose the use of Direct Anonymous Attestation (DAA) algorithms to enhance existing V2X security architectures. The novelty of our proposed solution is its decentralized approach in shifting trust from the infrastructure to vehicles. Applying DAA in V2X enables enhanced privacy protection than is possible in current architectures through user-controlled linkability. The paper presents the incorporation of DAA algorithms within V2X together with rigorous security and privacy arguments.

show abstract

Section: Motivation and Design Choicesmentioning

confidence: 99%

Privacy-enhanced capabilities for VANETs using direct anonymous attestation

Whitefield

Chen

Giannetsos

et al. 2017

2017 IEEE Vehicular Networking Conference (VNC)

View full text Add to dashboard Cite

show abstract

“…One of the biggest problems with the existing data aggregation mechanisms that use both segments and areas as an aggregation structure is their dependence on location information obtained from external positioning systems like satellite navigation, GPS or digital maps. These positioning systems are still not widely available in most vehicles [14], and thus would limit the use of the data aggregation mechanisms. Additionally, GPS is often unreliable in urban environments [15] and requires complementing localization techniques.…”

Section: Related Workmentioning

confidence: 99%

Location Aware Data Aggregation for Efficient Message Dissemination in Vehicular Ad Hoc Networks

Milojevic

Rakocevic

2015

IEEE Trans. Veh. Technol.

View full text Add to dashboard Cite

Abstract-Intelligent location-aware data aggregation mechanism for real-time observation, estimation and efficient dissemination of any kind of traffic information in vehicular adhoc networks (VANETs) is presented in this paper. The mechanism introduces location awareness algorithm, enabling spatiotemporal database indexing and providing location context of the messages without the use of advanced positioning systems like satellite navigation and digital maps. Intelligent passive clustering and adaptive broadcasting are used to minimize the number of messages exchanged, packet collisions and network load. The incoming messages are fused by Kalman filter allowing the description of the traffic related information as a system characterized by as many variables as needed, depending on the application design. The scheme allows the comparison of aggregates and single observations which enables their merging and better overall accuracy. Old information in aggregates is removed by real-time database refreshing thus leaving only newer relevant information for driver to make real-time decisions in traffic. The mechanism is generic and can be used for any kind of VANET information. It is evaluated by extensive simulations to show the efficiency and accuracy.

show abstract

“…Mohapatra et al [5] and Chen [8] provide a summary of message broadcast schemes in VANETs. Such schemes have three objectives: (1) reduce the number of redundant messages; (2) guarantee fast forwarding of emergency messages; and (3) ensure dissemination of the messages is highly reliable.…”

Section: Related Workmentioning

confidence: 99%

“…In contrast, the proposed protocol handles the collision problem well. Based on Equations (6) to (8), emergency messages are rebroadcasted repeatedly in a specific time period in hot spot area to satisfy the reliability criterion in DEEP for different vehicle densities and channel error ratios. Therefore, our protocol achieves the threshold for reliable transmission (i.e., the probability that all vehicles within the transmission range will receive the message at least once is more than P success ).…”

Section: Reliability In the Hot Spot Areamentioning

confidence: 99%

DEEP: Density-Aware Emergency Message Extension Protocol for VANETs

Chuang

Chen

2013

IEEE Trans. Wireless Commun.

View full text Add to dashboard Cite

Abstract-With the rapid developments in vehicular communication technology, academics and industry researchers are paying increasing attention to vehicular ad hoc networks (VANETs). In VANETs, dissemination delay and reliability are important criteria for many applications, especially for emergency messages. Existing approaches have difficulty satisfying both requirements simultaneously because they conflict with one another. In this paper, we propose a novel mechanism, called the Density-aware Emergency message Extension Protocol (DEEP) to disseminate emergency messages in VANETs. DEEP resolves the broadcast storm problem, achieves low dissemination delay, and provides high reliability over a realistic multi-lane freeway scenario. The mechanism delivers emergency messages to a specific area (e.g., the area before the exit) in a timely manner and guarantees that all relevant vehicles in that area will receive the messages. Drivers can then change their routes and avoid getting caught in a traffic jam. Performance evaluations via NS-2 simulations demonstrate that DEEP achieves both lower dissemination delay and higher reliability than existing approaches.

show abstract

Broadcasting safety information in vehicular networks: issues and approaches

Cited by 145 publications

References 8 publications

Privacy-enhanced capabilities for VANETs using direct anonymous attestation

Privacy-enhanced capabilities for VANETs using direct anonymous attestation

Location Aware Data Aggregation for Efficient Message Dissemination in Vehicular Ad Hoc Networks

DEEP: Density-Aware Emergency Message Extension Protocol for VANETs

Contact Info

Product

Resources

About