12 Hits in 6.4 sec

Analysis of the IEEE 802.11 EDCF scheme for broadcast traffic: Application for VANETs

Younes Bouchaala, Paul Muhlethaler, Nadjib Achir
2017 2017 Wireless Days  
In this paper we propose a model of the IEEE 802.11 Enhanced Distributed Coordination Function (EDCF) which can build different access priorities for different classes of traffic.  ...  Moreover, the model presented here is designed for broadcast traffic whereas most models handle pointto-point IEEE 802.11 transmission.  ...  Back-off procedure with IEEE 802.11 EDCF scheme. are the steady-state probabilities of the corresponding state.  ... 
doi:10.1109/wd.2017.7918156 dblp:conf/wd/BouchaalaMA17 fatcat:alalmt3ifrd3ffc3fzqxsj7wdu

An Efficient Channel Access Scheme for Vehicular Ad Hoc Networks

Syed Asad Hussain, Muddesar Iqbal, Atif Saeed, Imran Raza, Hassan Raza, Amjad Ali, Ali Kashif Bashir, Adeel Baig
2017 Mobile Information Systems  
In this paper, we propose a RSU-based efficient channel access scheme for VANETs under high traffic and mobility.  ...  IEEE 802.11p standard which was originally designed for Wireless Local Area Networks (WLANs) is modified to address such type of communication.  ...  The authors declare that there is no conflict of interests regarding the publication of this paper.  ... 
doi:10.1155/2017/8246050 fatcat:ysnyoihyirhh5aqnjs2ldptgqu

TV White Space Enabled Connected Vehicle Networks: Challenges and Solutions

Haibo Zhou, Ning Zhang, Yuanguo Bi, Quan Yu, Xuemin Sherman Shen, Dan Shan, Fan Bai
2017 IEEE Network  
Connected vehicle technology provides many potential benefits on the road such as safety applications, effective traffic management, and mobile Internet access.  ...  We first present the application scenarios exploiting TV white space in heterogeneous connected vehicular communication networks, and discuss white space channel availability and characteristics for vehicular  ...  the services of the enhanced distributed coordinated function (EDCF) for medium sharing and access [3] .  ... 
doi:10.1109/mnet.2017.1600049nm fatcat:5pzsllinhfeh3gcmaiv6kzoyie

Vehicle-to-vehicle safety messaging in DSRC

Qing Xu, Tony Mak, Jeff Ko, Raja Sengupta
2004 Proceedings of the first ACM workshop on Vehicular ad hoc networks - VANET '04  
The sensitivity of the protocol performance is evaluated under various offered traffic and vehicular traffic flows. The results show our approach is feasible for vehicle safety messages in DSRC.  ...  This paper studies the design of layer-2 protocols for a vehicle to send safety messages to other vehicles. The target is to send vehicle safety messages with high reliability and low delay.  ...  Reference [22] gives an overview of DSRC applications and assesses the characteristics of the IEEE 802.11 MAC and PHY layers in this context.  ... 
doi:10.1145/1023875.1023879 dblp:conf/mobicom/XuMKS04 fatcat:vvsykcnfibfuhp7iikjma6tksy

Performance Analysis of IEEE 802.11p for Continuous Backoff Freezing in IoV

Qiong Wu, Siyang Xia, Qiang Fan, Zhengquan Li
2019 Electronics  
Thus, in this paper, we focus on the performance analysis of IEEE 802.11p for continuous backoff freezing.  ...  With the rapid development of cloud computing and big data, traditional Vehicular Ad hoc Networks (VANETs) are evolving into the Internet of Vehicles (IoV).  ...  In [31] , Li et al. proposed a two-dimensional Markov chain model to describe the IEEE 802.11p broadcast scheme.  ... 
doi:10.3390/electronics8121404 fatcat:3xea5c4gnrc2vd565wtz2uivzy

H.264/MPEG-4 AVC Video Streaming Analysis of AODV, OLSR and ZRP in MANET

Dr. P.Periyasamy
2019 International journal of advanced networking and applications  
Quality of video delivered over the Internet has been determined in terms of Quality-of-Service (QoS) and Quality-of-Experience (QoE).  ...  Function (EDCF) using NS2.34 and Enhanced EvalVid framework.  ...  Figure 1 . 1 Concept of a P-Frame [12] Most broadcast qualitative applications have a propensity to use two consecutive B frames (I,B,B,P,B,B,P,…) for the ideal trade-off between compression efficiency  ... 
doi:10.35444/ijana.2019.10065 fatcat:lxh3yzqtcbdcvgilgvoqqtoqim

Medium Access Control Protocol Design for Vehicle–Vehicle Safety Messages

Qing Xu, T. Mak, Jeff Ko, R. Sengupta
2007 IEEE Transactions on Vehicular Technology  
The protocol design is based on rapidly re-broadcasting each message multiple times within its lifetime in combination with the 802.11 DCF.  ...  Design performance depends on the number of re-broadcasts, power, modulation, coding, and vehicular traffic volumes on the performance of the designs.  ...  Reference [42] gives an overview of DSRC applications and assesses the characteristics of the IEEE 802.11 MAC and PHY layers in this context.  ... 
doi:10.1109/tvt.2007.891482 fatcat:kz5fo4riiffrtp43cdz42dupwe

Scalable MAC protocol for D2D communication for future 5G networks

Bushra Ismaiel, Mehran Abolhasan, David Smith, Wei Ni, Daniel Franklin
2017 2017 14th IEEE Annual Consumer Communications & Networking Conference (CCNC)  
This scheme outperforms EDCF by reducing collision rates for highly loaded networks.  ...  scheme can increase the capacity of the network and perform better relative to the legacy Distributed Coordination Function (DCF) defined in IEEE 802.11.  ... 
doi:10.1109/ccnc.2017.7983165 dblp:conf/ccnc/IsmaielASNF17 fatcat:uwgvsysl7bevphrytgmxdwpxga

An application layer non-repudiation wireless system: A cross-layer approach

Sasan Adibi
2010 2010 IEEE International Symposium on "A World of Wireless, Mobile and Multimedia Networks" (WoWMoM)  
A key aspect of Suite-B is the deployment of Elliptic Curve Cryptography (ECC). The non-repudiation aspect of this thesis is based on the Suite-B's digital signature scheme; ECDSA.  ...  the application layer, adapting to channel conditions.  ...  11 channels (North American) of IEEE 802.11 b/g band and 28 channels of IEEE 802.11 a band in random periods of times.  ... 
doi:10.1109/wowmom.2010.5534971 dblp:conf/wowmom/Adibi10 fatcat:tzhws7t5tzao7eh7qcxfn5srfy

Cross-layer optimizations in multi-hop ad hoc networks

Marco <1980> Di Felice, Luciano Bononi
On the other hand, the system benefits of the clustering scheme could be emphasized by the pseudo-centralized MAC layer with the support for differentiated access priorities and controlled contention.  ...  As main contribution, we study and analyze the integration of MAC and clustering schemes to support multi-hop communication in large-scale ad hoc networks. A novel clustering protocol, named [...]  ...  With the EDCF, all the frames within each node, and the nodes themselves, contend for the channel access, called the EDCF with the Collision Avoidance scheme, the IEEE 802.11 DCF defines a basic two-way  ... 
doi:10.6092/unibo/amsdottorato/915 fatcat:g63b5wudijgefdmmml4ycy7ybm

Ad-hoc Netzwerke für die Kommunikation zwischen Fahrzeugen. Seminar WS 2004/05

Hannes [Hrsg.] Hartenstein, Marc [Hrsg.] Torrent-Moreno
This Technical Report includes the written works performed by the students based on the papers grouped as seminar of "Ad-Hoc Networks for Inter-Vehicle Communication" (VANETs).  ...  Although it was the first time this seminar was offered, it attracted a large number of motivated and diligent students, proving the high interest that VANETs have at the moment. i  ...  The paper gives a good insight of where the problems are, but fails to deliver something that is of instantaneous practical use.  ... 
doi:10.5445/ir/1000003167 fatcat:m7favp34ybbfpfbwnogribprya

Wireless communication in process monitoring and control

Waqas Ikram, Nina Thornhill, Imperial College London ; Royal Academy Of Engineering (Great Britain) ; ABB Group
The second investigation is the study of the performance of a closed-loop control application running over a resource-constrained wireless network.  ...  Requirements for a field communication network in the process industry include real-time support for mixed traffic, robustness, availability, security, reliability and scalability in a harsh industrial  ...  It was due to people moving around in the office and the higher traffic generated in IEEE 802.11 channels.  ... 
doi:10.25560/17958 fatcat:7ndllmria5g6nkrolgo7l2nwba