Topic
Vehicular communication systems
About: Vehicular communication systems is a research topic. Over the lifetime, 2532 publications have been published within this topic receiving 64775 citations. The topic is also known as: V2V & vehicle-to-vehicle.
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TL;DR: This paper has proposed mobile agent as a mechanism to handle the traffic problem on road to provide the better QoS (Quality of Service) in vehicular ad hoc network to improve the safety application and driver comfort.
Abstract: Vehicular traffic is a foremost problem in modern cities Huge amount of time and resources are wasted while traveling due to traffic congestion With the introduction of sophisticated traffic management systems, such as those incorporating dynamic traffic assignments, more stringent demands are being placed upon the available real time traffic data In this paper we have proposed mobile agent as a mechanism to handle the traffic problem on road Mobile software agents can be used to provide the better QoS (Quality of Service) in vehicular ad hoc network to improve the safety application and driver comfort
17 citations
Posted Content•
TL;DR: In this paper, the authors proposed two physical layer (PHY) security techniques for vehicular mmWave communication systems, which use multiple antennas with a single RF chain to transmit information symbols to a target receiver and noise-like signals in non-receiver directions.
Abstract: Millimeter wave (mmWave) vehicular communication systems will provide an abundance of bandwidth for the exchange of raw sensor data and support driver-assisted and safety-related functionalities. Lack of secure communication links, however, may lead to abuses and attacks that jeopardize the efficiency of transportation systems and the physical safety of drivers. In this paper, we propose two physical layer (PHY) security techniques for vehicular mmWave communication systems. The first technique uses multiple antennas with a single RF chain to transmit information symbols to a target receiver and noise-like signals in non-receiver directions. The second technique uses multiple antennas with a few RF chains to transmit information symbols to a target receiver and opportunistically inject artificial noise in controlled directions, thereby reducing interference in vehicular environments. Theoretical and numerical results show that the proposed techniques provide higher secrecy rate when compared to traditional PHY security techniques that require digital or more complex antenna architectures.
17 citations
17 citations
30 Dec 2008
TL;DR: This paper introduces a novel incident detection technique for non dense traffic flow by taking advantage of communication between cars and some roadside infrastructure installed on the road every mile or so and can provide a great enhancement to the existing AID techniques specially under sparse traffic where most of them fail to detect non blocking incidents.
Abstract: One of the fundamental requirements of a traffic management system is the ability to determine when an incident has occurred so that proper responses can be initiated. Automatic incident detection (AID) has been considered a method for quickly detecting potential incidents on the road. Although vehicular ad hoc networks (VANETs) started mainly for safety applications, surprisingly a very few work have been done in VANETs for automatic incident detection while most of the research went for developing routing protocols and privacy techniques. In this paper, we introduce a novel incident detection technique for non dense traffic flow by taking advantage of communication between cars and some roadside infrastructure installed on the road every mile or so. The proposed technique can provide a great enhancement to the existing AID techniques specially under sparse traffic where most of them fail to detect non blocking incidents.
17 citations
TL;DR: It is proved that the success rate is improved in the roadside router failure and in the communication link failure scenarios by 50% and 30%, respectively, compared to the location based service discovery protocol for vehicular networks (LocVSDP) which does not consider fault tolerant techniques.
17 citations