Filters








1,041 Hits in 5.1 sec

Reliable Greedy Forwarding in Obstacle-Aware Wireless Sensor Networks [chapter]

Ming-Tsung Hsu, Frank Yeong-Sung Lin, Yue-Shan Chang, Tong-Ying Juang
2009 Lecture Notes in Computer Science  
We present Obstacle-aware Virtual Circuit geographic Routing (OVCR), a novel routing mechanism for obstacle-aware wireless sensor networks that uses the obstacle-free path computed by the sink to make  ...  To bypass obstacles, the information of obstacle-free paths is forwarded to sensors close to obstacles for finding virtual circuits in a distributed manner.  ...  Acknowledgments This paper was supported (in part) by the National Science Council of Taiwan under Grant No. NSC 97-2221-E-002-131.  ... 
doi:10.1007/978-3-642-03095-6_75 fatcat:epwcc2nw2fbonhma6bcr62pezu

Power-aware Recovery for Geographic Routing

Amit Dvir, Niklas Carlsson
2009 2009 IEEE Wireless Communications and Networking Conference  
Maintaining low power consumption is critical in wireless ad hoc and sensor networks.  ...  Power-aware routing algorithms must balance the advantages and disadvantages of selecting to forward packets over shorter high-quality links against selecting longer and less reliable links.  ...  Power-aware Routing Wireless links in ad hoc and sensor networks are often highly unreliable. The existence of unreliable links exposes a key weakness in greedy forwarding protocols.  ... 
doi:10.1109/wcnc.2009.4917915 dblp:conf/wcnc/DvirC09 fatcat:55hwaswwuratdbfhoycmje3uve

Geographic Load Balanced Routing in Wireless Sensor Networks

Robin Guleria, Ankit Kumar Jain
2013 International Journal of Computer Network and Information Security  
GLBR defines parameters based on communication overhead at sensor nodes and wireless link status through which load can be balanced across whole network.  ...  Recently the application domains of wireless sensor networks have grown exponentially. Traditional routing algorithm generates traffic related to route discovery to destination.  ...  So when it comes to the constrained resources in wireless sensor networks geographic routing protocol plays major role, therefore there is need of some modifications into original greedy forwarding that  ... 
doi:10.5815/ijcnis.2013.08.08 fatcat:p3bx3dkrwjcklpyl32e74qftre

RGF: Receiver-based Greedy Forwarding for Energy Efficiency in Lossy Wireless Sensor Networks

In Hu
2010 KSII Transactions on Internet and Information Systems  
Greedy forwarding is the key mechanism of geographic routing and is one of the protocols used most commonly in wireless sensor networks.  ...  However, the signal intensity reduces exponentially with the distance in realistic wireless sensor network, and greedy forwarding consumes a lot of energy, since it forwards the packets to the neighbor  ...  wireless sensor networks.  ... 
doi:10.3837/tiis.2010.08.005 fatcat:yuceeodcnnc35a6wzufgxoq3c4

UTCARP: Urban Traffic Control Aware Routing Protocol

Hekmat Mohammadzadeh, Shapour Joudi Bigdello
2013 International Journal on AdHoc Networking Systems  
It considers two modules of (i) the traffic control aware selection of vertices through which a packet is passed toward its destination and (ii) the greedy forwarding strategy by which a packet is forwarded  ...  Due to the high dynamic nature of the network topology in VANETs, finding and maintaining the routes for data forwarding is still more challenging.  ...  They are representative geographic routing protocols, for V2V wireless networks.  ... 
doi:10.5121/ijans.2013.3101 fatcat:qsohtdw6lne7feseoqdy4vsz34

Surveillance of sensitive fenced areas using duty-cycled wireless sensor networks with asymmetrical links

Ali Benzerbadj, Bouabdellah Kechar, Ahcène Bounceur, Mohammad Hammoudeh
2018 Journal of Network and Computer Applications  
This paper presents a cross-layer communication protocol for Wireless Sensor Network (WSN) enabled surveillance system for sensitive fenced areas, e.g., nuclear/oil site.  ...  Both greedy and perimeter modes of GPSR-SL forward data through symmetrical links only.  ...  Introduction Wireless Sensor Networks (WSNs) are a class of wireless ad hoc networks.  ... 
doi:10.1016/j.jnca.2018.03.027 fatcat:6ndwyfqgwfa7zotwmls7t53umu

Routing in Wireless Sensor Networks [chapter]

2017 Network Routing  
Routing protocols for wireless sensor networks have to ensure reliable multi-hop communication under these conditions.  ...  Wireless sensor networks are formed by small sensor nodes communicating over wireless links without using a fixed network infrastructure.  ...  Acknowledgments This work is supported by NSERC Strategic Grant on sensor and actuator networks, and the UK Royal Society Wolfson Research Merit Award.  ... 
doi:10.1002/9781119114864.ch11 fatcat:2x3gnyy2g5ezjpgyzs7i3txjl4

Loss-Aware Geographic Routing for Unreliable Wireless Sensor Networks

Euhanna Ghadimi, Ahmad Khonsari, Mohammad S. Talebi, Nasser Yazdani
2009 2009 6th IEEE Consumer Communications and Networking Conference  
The research community has recently witnessed the emergence of densely deployed Wireless Sensor Networks (WSNs) consisting of a large number of battery-operated sensor nodes.  ...  a suboptimal routing in dense WSNs.  ...  Geographic routing protocols [2] [3] [4] are very attractive choices for routing in wireless sensor networks.  ... 
doi:10.1109/ccnc.2009.4784703 dblp:conf/ccnc/GhadimiKTY10 fatcat:wgwmu4elyzhqpncg3cxderbgri

Position-based routing in ad hoc networks

I. Stojmenovic
2002 IEEE Communications Magazine  
Routing protocols have two modes: greedy mode (when the forwarding node is able to advance the message toward the destination) and recovery mode (applied until return to greedy mode is possible).  ...  provided justification for applying position-based routing methods in ad hoc networks.  ...  Sensor networks are a class of wireless ad hoc networks.  ... 
doi:10.1109/mcom.2002.1018018 fatcat:4a6phq6af5dl5pw6fo4jqqbniy

Efficient and robust geocasting protocols for sensor networks

Karim Seada, Ahmed Helmy
2006 Computer Communications  
For many applications in wireless ad hoc and sensor networks, geocasting is an important and frequent communication service.  ...  We show that the first protocol Geographic-Forwarding-Geocast (GFG) has close-to-minimum overhead in dense networks and that the second protocol Geographic-Forwarding-Perimeter-Geocast (GFPG) provides  ...  GPSR [8] is a geographic routing protocol for wireless networks that works in two modes: greedy mode and perimeter mode.  ... 
doi:10.1016/j.comcom.2005.05.014 fatcat:vd4uxah3yjbqnlaybqvoj7zq5q

GEAMS: a Greedy Energy-Aware Multipath Stream-based Routing Protocol for WMSNs [article]

Samir Medjiah
2012 arXiv   pre-print
In particular, designing energy-efficient packet forwarding is important to maximize the lifetime of the network and to minimize the power usage at each node.  ...  GEAMS routing protocol performs load-balancing to minimize energy consumption among nodes using twofold policy: (1) smart greedy forwarding and (2) walking back forwarding.  ...  TPGF TPGF (Two Phase geographical Greedy Forwarding) [6] routing protocol is the first to introduce multipath concept in wireless multimedia sensor networks (WMSNs) field.  ... 
arXiv:1205.2355v1 fatcat:mvjm6uht5jaqfmaawe5hj7j3ti

Comparative analysis on Void Node Removal Routing algorithms for Underwater Wireless Sensor Networks

Mukhtiar Ahmed, Fauzia Talpur, M.Ali Soomro
2018 International Journal of Computer Applications Technology and Research  
pressure, node mobility, localization 3D deployment, and underwater obstacles (voids).  ...  This paper focuses the underwater voids which affects the overall performance of the entire network.  ...  In third phase the number of forwarding nodes in the forwarding set is adjusted to make a trade-off between reliability and energy consumption.  ... 
doi:10.7753/ijcatr0707.1004 fatcat:c5uc6kdf3vaaxaezen6xnjrika

Design and Performance Verification of Dynamic Load Aware Geographic Routing Protocol in IEEE 802.15.4a Networks

Young-Duk Kim, Soon Kwon, Joon-Woo Son, Dongkyun Kim
2014 International Journal of Distributed Sensor Networks  
Furthermore, the limited network bandwidth and node mobility features exacerbate this problem in wireless sensor networks with tiny sensor platforms.  ...  In this paper, we propose a new dynamic load aware geographical routing protocol, named DLAG, which periodically monitors the channel condition of each node and forwards a packet to the neighboring node  ...  For performance enhancement in wireless sensor networks, adaptive contention control strategy (ACCS) [17] has been developed.  ... 
doi:10.1155/2014/848475 fatcat:5zyym3tqnfapnfaxh5ser7b2ce

2-hop neighborhood information for cover set selection in mission-critical surveillance with Wireless Image Sensor Networks

Mamour Diop, Congduc Pham, Ousmane Thiare
2013 2013 IFIP Wireless Days (WD)  
We consider a Wireless Image Sensor Network (WISN) with a scheduling of image sensor node's activity based on the application criticality level.  ...  Then, in order to be consistent with our proposed approach, a multi-path extension of Greedy Perimeter Stateless Routing (called T-GPSR) wherein routing decisions are also based on 2-hop neighborhood information  ...  INTRODUCTION Wireless Image Sensor Networks (WISN) where sensor nodes are equipped with miniaturized visual cameras to provide visual information is a promising technology for intrusion detection or search  ... 
doi:10.1109/wd.2013.6686505 dblp:conf/wd/DiopPT13 fatcat:4l4e4jhetvdgxcmciaxmd2g5ci

Geographic Adaptive Fidelity and Geographic Energy Aware Routing in Ad Hoc Routing

Sinchan Roychowdhury, Chiranjib Patra
2011 International journal of computer and communication technology  
In recent years, many location based routing protocols have been developed for ad hoc and sensor networks.  ...  We shall also look into two popular location-based protocols: Geographic Adaptive Fidelity (GAF) and Geographic and Energy Aware Routing (GEAR).  ...  Geographic Adaptive Fidelity and Geographic Energy Aware Routing in Ad Hoc Routing Geocasting is an important communication primitive in wireless sensor networks, since in many applications the target  ... 
doi:10.47893/ijcct.2011.1077 fatcat:5xyzkpwjwbainitxd52mu4ia3q
« Previous Showing results 1 — 15 out of 1,041 results