Results 1 - 10 of 129

Comparison of routing metrics for static multi-hop wireless networks

by Richard Draves, Jitendra Padhye, Brian Zill - In ACM SIGCOMM , 2004
"... Routing protocols for wireless ad hoc networks have traditionally focused on finding paths with minimum hop count. However, such paths can include slow or lossy links, leading to poor throughput. A routing algorithm can select better paths by explicitly taking the quality of the wireless links into ..."
Abstract - Cited by 331 (3 self) - Add to MetaCart
into account. In this paper, we conduct a detailed, empirical evaluation of the performance of three link-quality metrics— ETX, per-hop RTT, and per-hop packet pair—and compare them against minimum hop count. We study these metrics using a DSR-based routing protocol running in a wireless testbed. We find

Anticipation of ETX Metric to manage Mobility in Ad Hoc Wireless Networks

by Sabrine Naimi, Anthony Busson, Larbi Ben, Hadj Slama, Ridha Bouallegue
"... Abstract. When a node is moving in a wireless network, the routing metrics associated to its wireless links may re ect link quality degrada-tions and help the routing process to adapt its routes. Unfortunately, an important delay between the metric estimation and its inclusion in the routing process ..."
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Abstract. When a node is moving in a wireless network, the routing metrics associated to its wireless links may re ect link quality degrada-tions and help the routing process to adapt its routes. Unfortunately, an important delay between the metric estimation and its inclusion in the routing

An Enhanced Routing Metric for Fading Wireless Channels

by Daniel De O. Cunha, Otto Carlos M. B. Duarte
"... Abstract — In this paper we propose the enhancement of routing metrics through a more complete view of the physical channel. Using cross-layer optimizations, we develop the Distribution Based Expected Transmission Count (DBETX), which improves the performance of the network in the presence of varyin ..."
Abstract - Cited by 5 (1 self) - Add to MetaCart
Abstract — In this paper we propose the enhancement of routing metrics through a more complete view of the physical channel. Using cross-layer optimizations, we develop the Distribution Based Expected Transmission Count (DBETX), which improves the performance of the network in the presence

Framework for quality metrics in mobile-wireless information systems

by Ruti Gafni - Journal of Educational Multimedia and Hypermedia , 2008
"... Mobile and wireless devices and networks enable "any place, any time " use of information sys-tems, providing advantages, such as productivity enhancement, flexibility, service improvements and information accuracy. These benefits can be nullified by using systems of insufficient quality. ..."
Abstract - Cited by 6 (3 self) - Add to MetaCart
Mobile and wireless devices and networks enable "any place, any time " use of information sys-tems, providing advantages, such as productivity enhancement, flexibility, service improvements and information accuracy. These benefits can be nullified by using systems of insufficient quality

Wireless Sensor Networking in Challenging Environments

by Mo Sha, Raj Jain, Jonathan Turner, Guoliang Xing, Mo Sha , 2014
"... This Dissertation is brought to you for free and open access by Washington University Open Scholarship. It has been accepted for inclusion in All Theses and Dissertations (ETDs) by an authorized administrator of Washington University Open Scholarship. For more information, please contact ..."
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This Dissertation is brought to you for free and open access by Washington University Open Scholarship. It has been accepted for inclusion in All Theses and Dissertations (ETDs) by an authorized administrator of Washington University Open Scholarship. For more information, please contact

Reliability Enhanced RPL for Wireless Sensor Networks

by Qiang Liua, Hongjiang Lvb, Ning Yangc
"... Abstract. In this paper, we investigate the problem of reliability of RPL (IPv6 Routing Protocol for Low power and Lossy Networks) when applied to route traffic in Wireless Sensor Networks (WSNs). RPL is a routing protocol adapted for information routing with low power, low storage and processing se ..."
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Abstract. In this paper, we investigate the problem of reliability of RPL (IPv6 Routing Protocol for Low power and Lossy Networks) when applied to route traffic in Wireless Sensor Networks (WSNs). RPL is a routing protocol adapted for information routing with low power, low storage and processing

Efficient Mobile Data Collection with Mobile Collect

by unknown authors
"... Abstract—The main task of most deployed wireless sensor networks is data collection. While a number of solutions have been designed for static networks, there are currently no widely used data collection algorithms for mobile sensor networks. In this paper, we concentrate on scenarios where many nod ..."
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Abstract—The main task of most deployed wireless sensor networks is data collection. While a number of solutions have been designed for static networks, there are currently no widely used data collection algorithms for mobile sensor networks. In this paper, we concentrate on scenarios where many

PROBABILITY OF IMMINENT FAILURE AS A ROUTING METRIC IN A HIGH-MOBILITY WIRELESS AD HOC NETWORK

by Marco A. Alzate, John S. Baras
"... The current duration of a link in a mobile wireless ad hoc network (MANET) has important information to offer with respect to its stability. Unlike location or signal strength methods, life measurements implicitly includes the effects of true propagation mechanisms, mobility space geometry, power co ..."
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The current duration of a link in a mobile wireless ad hoc network (MANET) has important information to offer with respect to its stability. Unlike location or signal strength methods, life measurements implicitly includes the effects of true propagation mechanisms, mobility space geometry, power

Enhanced Multipath Routing Protocol Using Congestion Metric

by Chunsoo Ahn , Jitae Shin , Eui-Nam Huh - in Wireless Ad Hoc Networks” lecture notes on computer science,Springer Berlin,0302− 9743(푃푟푖푛푡)1611− 3349(푂푛푙푖푛푒),2006
"... Abstract. Transmission over wireless ad hoc networks is a challenging problem, because the wireless channel is characterized by limited bandwidth, multihop connectivity, mobility of nodes, and dynamically varying network topology. Current unipath routing protocols result in performance degradation ..."
Abstract - Cited by 2 (0 self) - Add to MetaCart
Abstract. Transmission over wireless ad hoc networks is a challenging problem, because the wireless channel is characterized by limited bandwidth, multihop connectivity, mobility of nodes, and dynamically varying network topology. Current unipath routing protocols result in performance degradation

Interest Dissemination with Directional Antennas for Wireless Sensor Networks with Mobile Sinks

by Yihong Wu, Lin Zhang, Yiqun Wu, Zhisheng Niu - Proc. Fourth Int’l Conf. Embedded Networked Sensor Systems (Sensys ’06 , 2006
"... Introducing mobile data sinks into wireless sensor net-works (WSNs) improves the energy efficiency and the net-work lifetime, and is demanded for many application sce-narios, such as battlefield vehicle security, mobile data ac-quisition, and cellular phone based sensor networks. How-ever, highly mo ..."
Abstract - Cited by 13 (2 self) - Add to MetaCart
Introducing mobile data sinks into wireless sensor net-works (WSNs) improves the energy efficiency and the net-work lifetime, and is demanded for many application sce-narios, such as battlefield vehicle security, mobile data ac-quisition, and cellular phone based sensor networks. How-ever, highly
Results 1 - 10 of 129