Corpus ID: 12137813

Using the Right Two-Ray Model ? A Measurement-based Evaluation of PHY Models in VANETs

@inproceedings{Sommer2011UsingTR,
  title={Using the Right Two-Ray Model ? A Measurement-based Evaluation of PHY Models in VANETs},
  author={Christoph Sommer and Falko Dressler},
  year={2011}
}
We discuss the feasibility of simplified Two-Ray Ground path loss models, which are frequently used in simulationbased performance evaluation of Inter-Vehicle Communication (IVC) protocols. We first show that these models are of no benefit compared to the basic Freespace model. As an alternative, we propose a more exact Two-Ray Interference model. We substantiate this claim based on an extensive set of measurements on the road. We demonstrate that this model substantially improves the accuracy… Expand
On the applicability of Two-Ray path loss models for vehicular network simulation
TLDR
It is argued that replacing a simplified with a fully featured Two-Ray Interference model can not only substantially improve the accuracy of simulation results but also allow capturing one notable artifact that becomes immediately visible in field tests, namely strong signal attenuation at short and medium ranges. Expand
A statistical channel model for realistic simulation in VANET
TLDR
A statistical channel model for VANET simulation based on the observation of data from real-world experiments, obtained from an IEEE 802.11p / WAVE compliant testbed is proposed and validated against a set of measurements from an independent research group, proving to be effective and general. Expand
Highway propagation modeling in VANETS and its impact on performance evaluation
TLDR
This paper proposes a propagation model for V2V communication on highways which reflects conditions found in reality sufficiently well to be applicable for VANET simulation studies and examines the impact of different propagation modeling approaches on the resulting communication performance for varying network loads. Expand
Realistic and Efficient Channel Modeling for Vehicular Networks
TLDR
A model is developed that accounts for vehicles as three-dimensional obstacles and takes into account their impact on the line of sight obstruction, received signal power, packet reception rate, and message reachability, and it successfully captures both small-scale and large-scale propagation effects in different environments. Expand
Measurement-based evaluation of interference in Vehicular Ad-Hoc Networks at urban intersections
TLDR
An abstraction approach is introduced based on a configuration of a single vehicle as a set of vehicles in order to diminish the logistic issue as well as the complexity caused by the synchronization of measurement runs on the impact of co-channel interference on the performance of vehicle-to-vehicle communication. Expand
IEEE 802.11p Empirical Performance Model from Evaluations on Test Tracks
TLDR
A detailed modelisation of 802.11p is proposed that can be used to accurately simulate its performance within Cooperative Systems (CS) applications. Expand
An IEEE 802.11p empirical performance model for Cooperative Systems applications
TLDR
This model uses data from extensive field trials to infer the correlation between speed, distance and performance metrics such as maximum range, latency and frame loss, and improves this model to limit the number of profiles that have to be generated when there are more than a few couples of emitter-receptor in a given location. Expand
A Multi-Channel IEEE 1609.4 and 802.11p EDCA Model for the Veins Framework
Increasing the realism and thereby the explanatory power of Inter-Vehicle Communication (IVC) simulation is an ongoing research topic in the Car-2-X community. We contribute to this trend byExpand
An Investigation on the Use of ITU-R P.1411-7 in IEEE 802.11N Path Loss Modelling
Free space path loss modelling is a model used to model path loss propagation for Wireless Local Area Networks. In some cases, the estimation of path loss by the FSL model can be inaccurate as itExpand
Reliable transmissions in AWSNs by using O-BESPAR hybrid antenna
TLDR
This paper proposes the design of a hybrid Omni Bidirectional ESPAR (O-BESPAR) antenna, which combines the complimentary features of an isotropic omni radio and directional ESPAR antennas to accomplish efficient neighbor discovery and reliable communication in AWSNs. Expand
...
1
2
3
4
5
...

References

SHOWING 1-8 OF 8 REFERENCES
Two Ray or not Two Ray this is the price to pay
TLDR
A small scale urban vehicular scenario is analyzes which unveils a number of factors that undermine the validity of the Two Ray model and the heavy weight border effects that incorrectly compensate for the presence of hidden terminals in the networks. Expand
A computationally inexpensive empirical model of IEEE 802.11p radio shadowing in urban environments
TLDR
An empirical model for modeling buildings and their properties to accurately simulate the signal propagation for IEEE 802.11p radio shadowing in urban environments is created and results show a very high accuracy when compared with the measurement results. Expand
Efficient and realistic mobility and channel modeling for VANET scenarios using OMNeT++ and INET-framework
TLDR
A new mobility modeling approach for OMNeT++ and the INET-Framework is presented, which allows generation and deletion of nodes during simulation time and reduces the number of events significantly. Expand
Impact of the radio channel modelling on the performance of VANET communication protocols
TLDR
It is critical that realistic and accurate channel models are employed to adequately understand, design and optimize novel vehicular communications and networking protocols. Expand
Vehicular safety communication at intersections: Buildings, Non-Line-Of-Sight and representative scenarios
TLDR
This paper analyzes building positioning in the City of Munich with respect to DSRC and investigates how much the line-of-sight is blocked by buildings to find a set of representative buildingposition scenarios. Expand
Bidirectionally Coupled Network and Road Traffic Simulation for Improved IVC Analysis
TLDR
The hybrid simulation framework Veins (Vehicles in Network Simulation), composed of the network simulator OMNeT++ and the road traffic simulator SUMO, is developed and can advance the state-of-the-art in performance evaluation of IVC and provide means to evaluate developed protocols more accurately. Expand
An environment-aware mobility model for wireless ad hoc network
TLDR
A general mobility model capable of creating a more realistic node movement pattern by exploiting the concept of flexible positioning of anchors is proposed which illustrates its significant impact on performance evaluation of wireless ad hoc networks. Expand
Wireless communications - principles and practice
From the Publisher: The indispensable guide to wireless communications—now fully revised and updated! Wireless Communications: Principles and Practice, Second Edition is the definitive modernExpand