Comparison of Collision Avoidance Systems and Applicability to Rail Transport

Garcia, Cristina Rico; Lehner, Andreas; Strang, Thomas; Röckl, Matthias

doi:10.1109/itst.2007.4295927

Cited by 27 publications

(20 citation statements)

References 1 publication

(1 reference statement)

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“…Nonetheless, its necessary range is much shorter. All these factors lead to the conclusion that railway transportation imposes the highest challenges [8].…”

Section: Related Workmentioning

confidence: 99%

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A Broadcast Vehicle to Vehicle Communication System in Railway Environments

Garcia¹,

Strang²,

Lehner³

2008

Proceedings of the First Annual International Symposium on Vehicular Computing Systems

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Current statistics in railway transportation systems show that the number of accidents is still too high, despite of huge investments in infrastructure-based safety systems. We show that a infrastructure-less cross-layer train-to-train communication system exploiting all characteristics of a pervasive computing system, like direct communication in mobile adhoc networks (MANETs), exchange of location and other relevant context information provided by multiple sensors in the trains, can reveal hazardous situations. While maritime and air transport are already benefiting from collision avoidance applications based on infrastructure-less communications and similar applications will be available for road users built on top of car-to-car communications soon, an equivalent for rail transport systems is not existing yet. In order to design such a system, a six phase work approach is conducted: Preliminary analysis and selection of an adequate frequency band, characterization of the propagation channel, MAC layer design, physical layer and finally verification of the system. During this process, context information provided by navigation systems and other sensors, e.g. position, time and speed are utilized to improve the communication.

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“…Nonetheless, its necessary range is much shorter. All these factors lead to the conclusion that railway transportation imposes the highest challenges [8].…”

Section: Related Workmentioning

confidence: 99%

“…Taking into account all circumstances of the system itself and the current availabilities (see the current frequency occupations in Figure 2) we picked the 400MHz band for our system and many more characteristic parameters that can be found in [8] jointly with the reasons of their deduction.…”

Section: Design Of An Orientation Aware Railroad Collision Avoidance mentioning

confidence: 99%

A Broadcast Vehicle to Vehicle Communication System in Railway Environments

Garcia¹,

Strang²,

Lehner³

2008

Proceedings of the First Annual International Symposium on Vehicular Computing Systems

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“…Since one of the most critical requirements of RCAS is the communication range [2], the path loss prediction model should be chosen carefully. A deterministic approach to establish the parameters of the propagation channel is not feasible due to the high dynamic railway channel characteristics that can change the instantaneous amplitude very rapidly.…”

Section: Introductionmentioning

confidence: 99%

“…400 MHz [2]. For instance the Terrestrial Trunked Radio (TETRA) [7] standard for digital Private Mobile Radio (PMR) on the 400 MHz frequency band, Digital Video Broadcasting -Handheld (DVB-H) [8] on the 170-230 MHz and 470-862 MHz band, which is an internationally accepted open standard for digital television bringing broadcast services to handheld receivers, and finally the Global System for Mobile communications (GSM) [9].…”

Section: Introductionmentioning

confidence: 99%

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Channel Model for Train to Train Communication Using the 400 MHz Band

Garcia

Lehner

Strang

et al. 2008

VTC Spring 2008 - IEEE Vehicular Technology Conference

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Abstract-This paper presents a channel model for direct trainto-train communication appropriate for the 400 MHz band. Extrapolation of theoretical and experimental results obtained for the planning of other railway communication systems like GSM-R is not obvious due to the difference in frequencies, antenna height and absence of base stations. In this paper, the analysis of the channel model covers different radio phenomena including path loss, Doppler, fading, and delay spread. Concretely we consider three scenarios (train stations, shunting yards and regional networks), for which the propagation channel characteristics are discussed. Furthermore, influence of special railway environments like cuttings which can be found near cities and towns, tunnels and bridges are encountered.

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Roadmap Towards the Wireless Virtual Coupling of Trains

Goikoetxea

2016

Lecture Notes in Computer Science

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Comparison of Collision Avoidance Systems and Applicability to Rail Transport

Cited by 27 publications

References 1 publication

A Broadcast Vehicle to Vehicle Communication System in Railway Environments

A Broadcast Vehicle to Vehicle Communication System in Railway Environments

Channel Model for Train to Train Communication Using the 400 MHz Band

Roadmap Towards the Wireless Virtual Coupling of Trains

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