3,488 Hits in 5.0 sec

An evaluation of vehicular networks with real vehicular GPS traces

Yanmin Zhu, Chao Chen, Min Gao
2013 EURASIP Journal on Wireless Communications and Networking  
The most previous work of routing in vehicular networks assumes oversimplified node mobility when evaluating the performance of vehicular networks, e.g., random mobility or artificial movement traces,  ...  The impact of the controllable affecting factors is investigated, such as number of nodes, traffic load, packet TTL, transmission range, and propagation model.  ...  Impact of traffic load We next study the impact of traffic load on the performance of vehicular network and the performance comparison of different routing algorithms is reported in delay increases as  ... 
doi:10.1186/1687-1499-2013-190 fatcat:u6lfdgastnbxpf3b5k5vmn736q

Performance Evaluation of Location-Based Geocast Routing using Directed Flooding Rectangular Forwarding Zone in City VANET

Akhtar Husain, S.C. Sharma
2015 International Journal of Engineering and Technology Innovation  
The impact of mobility on these parameters is also analyzed.  ...  In literature, authors in research papers related to vehicular communication evaluate mostly the performance of topology or position-based routing protocols.  ...  Vehicle Density and Load Aware (VLDA) Geographic Routing in City Scenarios [33] computes vehicle density and traffic load as network information collection packet (NICP) in distributed manner.  ... 
doaj:bb49da80f75c4f989289d07e78fe05ec fatcat:wvqh7x6a6zb7jhkskyuarhmhye

Realistic Vehicular Mobility Impact of FTM, IDM, IDM-IM and IDM-LC on VANETs

Md. HabiburRahman, Md. Monzur Morshed, Meftah Ur Rahman
2014 International Journal of Computer Applications  
To evaluate the impact of mobility models such as FTM, IDM, IDM-IM and IDM-LC on VANETs routing protocol, VanetMobiSim is introduced to design a realistic vehicular mobility model for an urban scenario  ...  The simulation results have been measured by different performance metrics such as drop, delay, jitter, round-trip time, throughput, route cost and mean hop etc.  ...  The experimental results clearly indicated that the impact of FTM, IDM, IDM-IM and IDM-LC mobility model on AODV, AOMDV, DYMO and OLSR routing protocol performances were not up to the mark for each of  ... 
doi:10.5120/15762-4440 fatcat:jgnip3msfvgajf7yxg3fcsq63e

Simulated Analysis of Location and Distance Based Routing in VANET with IEEE802.11p

Akhtar Husain, S.C. Sharma
2015 Procedia Computer Science  
This paper analyzed the performance of distance-effect routing algorithm for mobility (DREAM) and location aided routing (LAR) location-based protocols for city and highway vehicular environment.  ...  Most of the papers analyzed the performance of topology based routing protocols.  ...  The routing performance of GSR, AODV and DSR protocols studied with a city vehicular network by Lochert et al in [9] .  ... 
doi:10.1016/j.procs.2015.07.346 fatcat:e3ersubtzrcpjosyxxh355bw7e

Impact of the radio channel modelling on the performance of VANET communication protocols

Javier Gozalvez, Miguel Sepulcre, Ramon Bauza
2010 Telecommunications Systems  
This is particularly the case in vehicular networks due to their low antenna heights, the fast topology changes and the reliability and latency constraints of traffic safety applications.  ...  Despite the research efforts to model the vehicle-to-vehicle communications channel, many networking studies are currently simplifying and even neglecting the radio channel effects on the performance and  ...  The impact of traffic density on the performance of routing protocols can also considerably depend on the channel model considered, as shown in Fig. 17 for GPSR protocol.  ... 
doi:10.1007/s11235-010-9396-x fatcat:rprtxchvsvgqvg3zr6jaxga6vm

Studying the Impact of the CORNER Propagation Model on VANET Routing in Urban Environments

Abhinay Mukunthan, Craig Cooper, Farzad Safaei, Daniel Franklin, Mehran Abolhasan
2012 2012 IEEE Vehicular Technology Conference (VTC Fall)  
This paper proposes additions to the CORNER propagation model to take selective multi-path fading into account and investigates the performance of the GPSR routing protocol under the CORNER propagation  ...  This paper proposes additions to the CORNER propagation model to take selective multi-path fading into account and investigates the performance of the GPSR routing protocol under the CORNER propagation  ...  ACKNOWLEDGEMENTS This research was carried out as part of the activities of, and funded by, the Smart Services Cooperative Research Centre (CRC) through the Australian Government's CRC Programme (Department  ... 
doi:10.1109/vtcfall.2012.6399132 dblp:conf/vtc/MukunthanCSFA12 fatcat:fgfxngawuzfwzkbovfayigy5pm

Impact of Transmission Power on the Performance of UDP in Vehicular Ad Hoc Networks

B. Khorashadi, A. Chen, D. Ghosal, C.-N. Chuah, M. Zhang
2007 2007 IEEE International Conference on Communications  
Studies have been reported that attempt to quantify transport protocol (TCP and UDP) performance in mobile ad-hoc network in general and VANet in particular.  ...  However, very little work has been done in looking at the effect of tuning transmission power and its effect on the performance of the transport layer protocols.  ...  Other studies such as [3] and projects such as FleetNet [4] [5] focus on the performance of vehicular networks with particular focus on the routing protocols.  ... 
doi:10.1109/icc.2007.609 dblp:conf/icc/KhorashadiCGCZ07 fatcat:jx62wpuqkfdf7nirovzz4ovcvq

More Insights Into Communication Issues in the Internet of Vehicles

Oumaya Baala, Cherifa Boucetta, Kahina Ait Ali, Alexandre Caminada
2018 2018 15th International Symposium on Pervasive Systems, Algorithms and Networks (I-SPAN)  
First, we analyze the most common routing protocols performance for MANET, namely OLSR, AODV and DSR thanks to a network simulator.  ...  Next, we study the influence of both models on a simple safety service. The major result is highlighting the impact of realistic modeling on the simulation.  ...  In [13] , the authors compared the topology based routing protocols in vehicular network on the basis performance metric in two standards of two mac protocols (IEEE802.11 and IEEE802.11p).  ... 
doi:10.1109/i-span.2018.00016 fatcat:efyk5bvsdfdczafx24gsnb6t4u

A survey of urban vehicular sensing platforms

Uichin Lee, Mario Gerla
2010 Computer Networks  
Our comparative study confirms that system performance is impacted by a variety of factors such as wireless access methods, mobility, user location, and popularity of the information. Ó  ...  In this paper we survey recent vehicular sensor network developments and identify new trends.  ...  on the routing cost, and (4) the impact of mobility patterns and grid sizes on hand-off overhead.  ... 
doi:10.1016/j.comnet.2009.07.011 fatcat:jbbzpx6bvnaozizfmbuj3emcqe

Impact of directional density on GyTAR routing protocol for VANETs in city environments

Sardar M. Bilal, Saad Mustafa, Uzma Saeed
2011 2011 IEEE 14th International Multitopic Conference  
This paper presents the effect of speed and direction on routing protocol in city environment.  ...  City environment consists of junctions and these junctions are selected dynamically on the basis of vehicular speed and directional density.  ...  CONCLUSION This work presents Enhanced-GyT AR protocol based on GyT AR protocol and also shows the impact of directional density on routing protocol for vehicular ad hoc networks especially in city environments  ... 
doi:10.1109/inmic.2011.6151491 fatcat:7k7amf4ftfepthghna7oc6by3u

Location error resilient geographical routing for vehicular ad-hoc networks

Reena Kasana, Sushil Kumar, Omprakash Kaiwartya, Wei Yan, Yue Cao, Abdul Hanan Abdullah
2017 IET Intelligent Transport Systems  
The inaccurate location information results in performance degradation of geographical routing protocols in vehicular environments.  ...  The efficiency and scalability of a geographic routing protocol depend on the accuracy and the availability of the location information of vehicles [3], [4].  ...  Fig. 4 4 (b) shows the impact of vehicle density on the normalized routing load of the network. As evident from the results, the normalized routing load of LER-GR protocol is stable.  ... 
doi:10.1049/iet-its.2016.0241 fatcat:p2tnrhm3mrdyrpyk6okr4y3tmu

Irresponsible AODV routing

Andrea Gorrieri, Gianluigi Ferrari
2015 Vehicular Communications  
This is more pronounced the higher are the node spatial density and/or data traffic load. The impact, on the system performance, of fundamental network parameters is investigated.  ...  The performance of the new routing protocol, denoted as irresponsible AODV (iAODV), is analyzed in three characteristic scenarios (pedestrian, pedestrian-vehicular, and vehicular).  ...  For • The projections on the plane (D, ρ) show that the node spatial density has a negative impact on the delay performance of the AODV protocol.  ... 
doi:10.1016/j.vehcom.2015.01.002 fatcat:dkpogx3fnzdazfh5zo73bcsjba

Impact of Two Realistic Mobility Models for Vehicular Safety Applications [article]

Md Habibur Rahman, Mohammad Nasiruddin
2014 arXiv   pre-print
In this work, examined the impact of the IDM-IM and IDM-LC mobility model on AODV, AOMDV, DSDV and OLSR routing protocol using Nakagami propagation model and IEEE 802.11p MAC protocol in a particular urban  ...  The periodic broadcast (PBC) agent is employed to transmit messages between vehicles in case of emergency or collision avoidance for vehicular safety communication.  ...  In [1] , the authors demonstrated the impact of mobility model of IEEE 802.11p performance of vehicular network by investigating certain mobility factors such as relative speed.  ... 
arXiv:1405.2417v1 fatcat:kwigowrtpjcstcpppbmrf5khmq

Geographical Zone based Cluster Head for Routing in Sparse Vehicular Networks

R Brendha, V Sinthu Janita Prakash
2018 International Journal of Engineering & Technology  
This paper inspects the issues of VANETs in sparse networks. In this algorithm, the routing decision is based on vehicular density, velocity and link lifetime.  ...  Routing algorithm design is one of the main challenging issues in VANET.  ...  Measuring the density of one-hop node Traffic density is the significant routing metrics to conclude the stable routing path in sparse networks.  ... 
doi:10.14419/ijet.v7i3.13692 fatcat:uohcjbnkbbbwdozmfd6kawmfue

An Efficient Framework Model for Optimizing Routing Performance in VANETs

Nori Al-Kharasani, Zuriati Zulkarnain, Shamala Subramaniam, Zurina Hanapi
2018 Sensors  
The efficiency of routing protocol is influenced by a number of factors such as network density, bandwidth constraints, traffic load, and mobility patterns resulting in frequency changes in network topology  ...  Routing in Vehicular Ad hoc Networks (VANET) is a bit complicated because of the nature of the high dynamic mobility.  ...  They discussed the main idea, the whole simulations, assisted in performance evaluation and aided in the manuscript preparation. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s18020597 pmid:29462884 pmcid:PMC5855465 fatcat:iwpis3m6qzdc3grwxdjozaalv4
« Previous Showing results 1 — 15 out of 3,488 results