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Hindawi Publishing
(1834 results)-
Whitepapers
A Secure Cluster Formation Scheme in Wireless Sensor Networks
September 11, 2012, 12:00am PDT
In this paper, the authors proposed a cluster formation scheme, which generates large-sized clusters in a secure manner. Their scheme initially produces large sized clusters and preserves them...
Provided by Hindawi Publishing
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Whitepapers
Network Coded Wireless Cooperative Multicast with Minimum Transmission Cost
September 6, 2012, 12:00am PDT
In this paper, the authors propose a network coded hybrid source and cooperative exchange scheme to determine when to stop the source sending and start the exchange process, so as to minimize the...
Provided by Hindawi Publishing
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Whitepapers
Cooperative Group Localization Based on Factor Graph for Next-Generation Networks
August 25, 2012, 12:00am PDT
In this paper, the WFG-CGL algorithm and the LCFGCGL algorithm are proposed in ill conditions. Especially for WFG-CGL algorithm, the weights based on the information reliability are incorporated...
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Whitepapers
Toward Intelligent Intrusion Prediction for Wireless Sensor Networks Using Three-Layer Brain-Like Learning
August 23, 2012, 12:00am PDT
The intrusion prediction for Wireless Sensor Networks (WSNs) is an unresolved problem. Hence, the current intrusion detection schemes cannot provide enough security for WSNs, which poses a number...
Provided by Hindawi Publishing
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Whitepapers
Target Q-Coverage Problem with Bounded Service Delay in Directional Sensor Networks
September 4, 2012, 12:00am PDT
Maximizing network lifetime is an important objective for the target-coverage problem. With practicable manufacture and cost reduction, directional sensor has been widely used in wireless sensor...
Provided by Hindawi Publishing
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Whitepapers
Wireless Multiple Access and Analog Oscillation Analysis in Microgrids: A Prony Approach
August 13, 2012, 12:00am PDT
A key challenge in smart grid is to monitor the system modal characteristics of disturbance over a microgrid for system stability and diagnosis. The measurements at different Phasor Measurement...
Provided by Hindawi Publishing
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Whitepapers
Two-Layer Storage Scheme and Repair Method of Failure Data in Wireless Sensor Networks
September 8, 2012, 12:00am PDT
Distributed data storage is a key technology in the data collection in wireless sensor networks. The storage scheme based on network coding is applied to data collection in wireless sensor...
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Whitepapers
Transforming Area Coverage to Target Coverage to Maintain Coverage and Connectivity for Wireless Sensor Networks
August 28, 2012, 12:00am PDT
Area coverage is one of the key issues for wireless sensor networks. In this paper, the authors discuss the energy-efficient area coverage problem considering boundary effects in a new...
Provided by Hindawi Publishing
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Whitepapers
Resource Description Language: A Unified Description Language for Network Embedded Resources
July 10, 2012, 12:00am PDT
As machine-to-machine networks become larger and more pervasive, manual configuration and discovery of resources will become intractable. In this paper, the authors propose the RDL, a Resource...
Provided by Hindawi Publishing
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Whitepapers
Service-Oriented Radio Architecture: A Novel M2M Network Architecture for Cognitive Radio Systems
July 4, 2012, 12:00am PDT
In future cognitive radio networks, a number of spectrum sensors can be distributedly deployed to monitor the surrounding wireless environment, where the Machine-To-Machine (M2M) technology is...
Provided by Hindawi Publishing
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Whitepapers
A Dynamic Pricing Scheme for Congestion Game in Wireless Machine-To-Machine Networks
July 9, 2012, 12:00am PDT
The problem of assigning a set of source nodes to a set of routes in wireless Machine-To-Machine (M2M) networks is addressed using a game theoretic approach. The objective is to minimize the...
Provided by Hindawi Publishing
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Whitepapers
Sliding-Mode and Spring-Relaxation-Like Technique for Location Estimation in Wireless Sensor Networks
May 15, 2012, 12:00am PDT
In order to reduce the location estimation error in Wireless Sensor Network (WSN), a localization algorithm is proposed combining sliding-mode and spring-relaxation-like techniques for wireless...
Provided by Hindawi Publishing
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Whitepapers
Localization of Mobile Sensors and Actuators for Intervention in Low-Visibility Conditions: The ZigBee Fingerprinting Approach
June 18, 2012, 12:00am PDT
Indoor localization in smoke conditions is one of the EU GUARDIANS project goals. When smoke density grows, optical sensors such as laser range finders and cameras cease to be efficient. Zigbee...
Provided by Hindawi Publishing
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Whitepapers
Optimal Routing Control in Disconnected Machine-To-Machine Networks
June 25, 2012, 12:00am PDT
Machine-To-Machine (M2M) networks could be connected by a wide range of wireless technologies (e.g., Bluetooth, WiFi, RFID). The main goal of this paper is to explore efficient ways for the source...
Provided by Hindawi Publishing
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Whitepapers
Improved DV-Hop Node Localization Algorithm in Wireless Sensor Networks
July 19, 2012, 12:00am PDT
An improved algorithm is put forward to improve the poor locating performance of the DV-Hop algorithm, which is one of the range-free algorithms in wireless sensor networks. Firstly, the authors...
Provided by Hindawi Publishing
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Whitepapers
Adaptive Message Rate Control of Infrastructured DSRC Vehicle Networks for Coexisting Road Safety and Non-Safety Applications
June 25, 2012, 12:00am PDT
Intelligent Transport System (ITS) has large potentials on road safety applications as well as non-safety applications. In this paper, the authors investigate the use of Dedicated Short-Range...
Provided by Hindawi Publishing
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Whitepapers
Near-Ground Path Loss Measurements and Modeling for Wireless Sensor Networks at 2.4 GHz
June 29, 2012, 12:00am PDT
Near-ground channel characterization is an important issue in most military applications of wireless sensor networks. However, the channel at the ground level lacks characterization. In this...
Provided by Hindawi Publishing
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Whitepapers
A Node Deployment Strategy Considering Environmental Factors and the Number of Nodes in Surveillance and Reconnaissance Sensor Networks
June 26, 2012, 12:00am PDT
In wireless sensor networks, sensor coverage and network connectivity problems are caused by the restricted sensing and communication range of the nodes. In this paper, the authors propose a node...
Provided by Hindawi Publishing
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Whitepapers
Distributed Beamforming for Relay Assisted Multiuser Machine-To-Machine Networks
July 9, 2012, 12:00am PDT
The authors consider signal transmission with the aid of multiple half-duplex single-antenna relay nodes using the Amplify-and-Forward (AF) strategy for a multiuser wireless Machine-To-Machine...
Provided by Hindawi Publishing
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Whitepapers
Non-Line-of-Sight Beacon Identification for Sensor Localization
July 11, 2012, 12:00am PDT
In recent years, sensors are often deployed to sense the target environment. Besides the sensed environmental information, sensor's position information itself is very important in most cases. In...
Provided by Hindawi Publishing
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Whitepapers
Robust Maximum Lifetime Routing and Energy Allocation in Wireless Sensor Networks
May 10, 2012, 12:00am PDT
Wireless Sensor NETworks (WSNETs) have emerged as an exciting new paradigm of inexpensive, easily deployable, completely untethered device networks that enable the automated and intelligent...
Provided by Hindawi Publishing
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Whitepapers
ARQ Protocols for Two-Way Wireless Relay Systems: Design and Performance Analysis
April 6, 2012, 12:00am PDT
In this paper, the authors focus on the designing of Automatic Repeat-reQuest (ARQ) protocols for the two-way wireless relay systems. According to different feedback schedules, they propose three...
Provided by Hindawi Publishing
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Whitepapers
Prevention and Detection Methods for Enhancing Security in an RFID System
July 29, 2012, 12:00am PDT
Low-cost Radio Frequency IDentification (RFID) tag is exposed to various security and privacy threats due to computational constraint. This paper proposes the use of both prevention and detection...
Provided by Hindawi Publishing
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Whitepapers
Multilayer Orthogonal Beamforming for Priority-Guaranteed Wireless Communications
July 9, 2012, 12:00am PDT
To utilize the benefits of cellular systems, wireless Machine-To-Machine (M2M) communications over cellular systems are being widely considered. In order to support efficient spectrum sharing...
Provided by Hindawi Publishing
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Whitepapers
Investigation of Uncoordinated Coexisting IEEE 802.15.4 Networks with Sleep Mode for Machine-To-Machine Communications
June 25, 2012, 12:00am PDT
The low-energy consumption of IEEE 802.15.4 networks makes it a strong candidate for Machine-To-Machine (M2M) communications. As multipleM2M applications with 802.15.4 networks may be deployed...
Provided by Hindawi Publishing
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Whitepapers
A Congestion-Aware IDS Node Selection Method for Wireless Sensor Networks
June 24, 2012, 12:00am PDT
The authors propose an Intrusion Detection System (IDS) node selection method for Wireless Sensor Networks (WSNs). Due to the WSNs' distinctive tree structure, network congestion normally occurs...
Provided by Hindawi Publishing
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Whitepapers
More Benefits of Adding Sparse Random Links to Wireless Networks: Yet Another Case for Hybrid Networks
March 12, 2012, 12:00am PDT
The authors have presented theoretical bounds on the diameter, APL, conductance, and mixing time of sparse random edge additions onto random wireless networks around the connectivity regime, where...
Provided by Hindawi Publishing
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Whitepapers
An Online Relay Selection Scheme in Power Controllable Wireless Sensor Networks
May 25, 2012, 12:00am PDT
The authors propose a data forwarding scheme termed Dynamic Energy-based Relaying (DER) for Wireless Sensor Networks (WSNs). In the DER scheme, all nodes try to forward their data packets toward...
Provided by Hindawi Publishing
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Whitepapers
Aggregation Scheme with Secure Hierarchical Clustering for Wireless Sensor Networks
May 12, 2012, 12:00am PDT
In recent years, wireless sensor networks have been studied in many different applications, including environmental monitoring, battlefield surveillance, and other domains. In each of these...
Provided by Hindawi Publishing
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Whitepapers
A Two-Level Routing Scheme for Wireless Sensor Network
May 15, 2012, 12:00am PDT
A new two-level routing scheme is proposed using the energy features of wireless sensor network. The proposed scheme consists of two levels: sink node level and sensor node level. The proposed...
Provided by Hindawi Publishing
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Whitepapers
On Guaranteed Detectability for Surveillance Sensor Networks
May 26, 2012, 12:00am PDT
In this paper, the authors propose a fully distributed algorithm GAP for energy-efficient event detection for surveillance applications. Employing the probabilistic approach, GAP actively tunes...
Provided by Hindawi Publishing
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Whitepapers
Mobile Sensor Waypoint Navigation Via RF-Based Angle of Arrival Localization
May 3, 2012, 12:00am PDT
Over the past decade, wireless sensor networks have advanced in terms of hardware design, communication protocols, and resource efficiency. Recently, there has been growing interest in mobility,...
Provided by Hindawi Publishing
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Whitepapers
Continuous Remote Monitoring in Hazardous Sites Using Sensor Technologies
May 18, 2012, 12:00am PDT
The deployment of a distributed point source monitoring system based on wireless sensor networks in an industrial site where dangerous substances are produced, used, and stored is described. Seven...
Provided by Hindawi Publishing
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Whitepapers
Authentication and Integrity in the Smart Grid: An Empirical Study in Substation Automation Systems
April 3, 2012, 12:00am PDT
In this paper, the authors aim at authentication and integrity protections in Substation Automation Systems (SAS), by an experimental approach on a small scale SAS prototype, in which messages are...
Provided by Hindawi Publishing
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Whitepapers
Robust Multihop Localization for Wireless Sensor Networks with Unreliable Beacons
February 28, 2012, 12:00am PST
In this paper, the authors propose a Robust Multihop Localization Algorithm (RMLA) based on trust evaluation for diminishing the effect of unreliable beacons on the accuracy of node localization....
Provided by Hindawi Publishing
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Whitepapers
Distributed Routing and Spectrum Allocation Algorithm with Cooperation in Cognitive Wireless Mesh Networks
April 1, 2012, 12:00am PDT
Routing and spectrum allocation is an important challenge in cognitive wireless mesh networks. A Distributed Routing and Spectrum Allocation algorithm With Cooperation (DRSAC-W) in cognitive...
Provided by Hindawi Publishing
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Whitepapers
NUNS: A Nonuniform Network Split Method for Data-Centric Storage Sensor Networks
February 27, 2012, 12:00am PST
In this paper, the authors proposes a Non-Uniform Network Split(NUNS) method that distributes the load among sensor nodes in data-centric storage sensor networks and efficiently reduces the...
Provided by Hindawi Publishing
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Whitepapers
An Efficient Clustering Algorithm in Wireless Sensor Networks Using Cooperative Communication
February 27, 2012, 12:00am PST
Processing the gathered information efficiently is a key functionality for wireless sensor networks. In generally, the sensor networks often use in-network data aggregation and clustering to...
Provided by Hindawi Publishing
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Whitepapers
Distributed Control of Mobile Sensor Networks Under RF Connectivity Constraints
April 10, 2012, 12:00am PDT
In this paper, the authors address the problem of coordinating the motion of the nodes in a mobile sensor network for area coverage applications under RF communication limitations. During network...
Provided by Hindawi Publishing
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Whitepapers
Multiagent-Based Data Fusion in Environmental Monitoring Networks
April 6, 2012, 12:00am PDT
Advances in embedded systems and mobile communication have led to the emergence of smaller, cheaper, and more intelligent sensing units. As of today, these devices have been used in many sensor...
Provided by Hindawi Publishing
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Whitepapers
A Diagnosis-Based Clustering and Multipath Routing Protocol for Wireless Sensor Networks
May 29, 2012, 12:00am PDT
In wireless sensor networks, it is of great importance for fault diagnosis to ensure the gathering information accuracy and reduce energy additionally consumed by faulty nodes, for the deployment...
Provided by Hindawi Publishing
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Whitepapers
Wireless Sensor Network Applications in Smart Grid: Recent Trends and Challenges
July 16, 2012, 12:00am PDT
Smart grid revolutionizes the current electric power infrastructure by integrating with communication and information technologies. With wireless sensor network, smart grid enables both utilities...
Provided by Hindawi Publishing
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Whitepapers
A Multicast Routing Protocol with Pruning and Energy Balancing for Wireless Sensor Networks
June 4, 2012, 12:00am PDT
This paper presents a novel multicast routing protocol for wireless sensor networks, named Multicast tree protocol with Pruning and Energy Balancing (MPEB) to disseminate data through a layered...
Provided by Hindawi Publishing
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Whitepapers
A Novel Hybrid Self-Organizing Clustering Routing Algorithm
July 30, 2012, 12:00am PDT
This paper discusses the distributed routing algorithm of wireless self-organized network and puts forward a new type of hybrid self-organizing clustering routing protocol by combining energy...
Provided by Hindawi Publishing
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Whitepapers
LiReTa: A Lightweight Reliable Transmission Scheme for Wireless Sensor Networks Using Cross-Layer Information
May 23, 2012, 12:00am PDT
Information delivered through sensor networks is used in industries to increase Quality of Life (QoL). Lossless data in Wireless Sensor Networks (WSNs) is a communications challenge that stands in...
Provided by Hindawi Publishing
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Whitepapers
An Energy-Efficient and Fault-Tolerant Convergecast Protocol in Wireless Sensor Networks
July 9, 2012, 12:00am PDT
The simple graph theory is commonly employed in wireless sensor networks topology control. This paper uses hyper-graph theory to solve the practical problems and proposes a Spanning Hyper-Tree...
Provided by Hindawi Publishing
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Whitepapers
A Multicast Routing Protocol with Pruning and Energy Balancing for Wireless Sensor Networks
June 4, 2012, 12:00am PDT
This paper presents a novel multicast routing protocol for wireless sensor networks, named Multicast tree protocol with Pruning and Energy Balancing (MPEB) to disseminate data through a layered...
Provided by Hindawi Publishing
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Whitepapers
A Multicast Routing Protocol with Pruning and Energy Balancing for Wireless Sensor Networks
June 4, 2012, 12:00am PDT
This paper presents a novel multicast routing protocol for wireless sensor networks, named Multicast tree protocol with Pruning and Energy Balancing (MPEB) to disseminate data through a layered...
Provided by Hindawi Publishing
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Whitepapers
Support for a Long Lifetime and Short End-to-End Delays with TDMA Protocols in Sensor Networks
May 3, 2012, 12:00am PDT
In this paper, the authors address a tough challenge of achieving two opposing goals: ensuring long lifetimes and supporting short end-to-end delays in sensor networks. Obviously, sensor nodes...
Provided by Hindawi Publishing
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Whitepapers
Distributed Collaborative Camera Actuation Scheme Based on Sensing-Region Management for Wireless Multimedia Sensor Networks
May 14, 2012, 12:00am PDT
In this paper, the authors study the event-driven camera actuation problem and propose a Distributed Collaborative Camera Actuation scheme based on Sensing-region Management (DCCA-SM). The basic...
Provided by Hindawi Publishing
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Whitepapers
Location Privacy and Energy Preservation in Sensor Allocation Systems
May 24, 2012, 12:00am PDT
The authors propose sensor-to-task assignments algorithms that take into account location privacy issues. Their solutions enable the network to choose the Best assignment of the available sensors...
Provided by Hindawi Publishing
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Whitepapers
Collaborative Relay Beamforming Strategies for Multiple Destinations with Guaranteed QoS in Wireless Machine-to-Machine Networks
June 30, 2012, 12:00am PDT
The Machine-To-Machine (M2M) communications allow information exchange between machine devices, which can be carried out without any human interaction. In this paper, the authors propose two...
Provided by Hindawi Publishing
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Whitepapers
A Diagnosis-Based Clustering and Multipath Routing Protocol for Wireless Sensor Networks
May 29, 2012, 12:00am PDT
In wireless sensor networks, it is of great importance for fault diagnosis to ensure the gathering information accuracy and reduce energy additionally consumed by faulty nodes, for the deployment...
Provided by Hindawi Publishing
-
Whitepapers
Wireless Sensor Network Applications in Smart Grid: Recent Trends and Challenges
July 16, 2012, 12:00am PDT
Smart grid revolutionizes the current electric power infrastructure by integrating with communication and information technologies. With wireless sensor network, smart grid enables both utilities...
Provided by Hindawi Publishing
-
Whitepapers
A Multicast Routing Protocol with Pruning and Energy Balancing for Wireless Sensor Networks
June 4, 2012, 12:00am PDT
This paper presents a novel multicast routing protocol for wireless sensor networks, named Multicast tree protocol with Pruning and Energy Balancing (MPEB) to disseminate data through a layered...
Provided by Hindawi Publishing
-
Whitepapers
A Novel Hybrid Self-Organizing Clustering Routing Algorithm
July 30, 2012, 12:00am PDT
This paper discusses the distributed routing algorithm of wireless self-organized network and puts forward a new type of hybrid self-organizing clustering routing protocol by combining energy...
Provided by Hindawi Publishing
-
Whitepapers
A Multicast Routing Protocol with Pruning and Energy Balancing for Wireless Sensor Networks
June 4, 2012, 12:00am PDT
This paper presents a novel multicast routing protocol for wireless sensor networks, named Multicast tree protocol with Pruning and Energy Balancing (MPEB) to disseminate data through a layered...
Provided by Hindawi Publishing
-
Whitepapers
A Multicast Routing Protocol with Pruning and Energy Balancing for Wireless Sensor Networks
June 4, 2012, 12:00am PDT
This paper presents a novel multicast routing protocol for wireless sensor networks, named Multicast tree protocol with Pruning and Energy Balancing (MPEB) to disseminate data through a layered...
Provided by Hindawi Publishing
-
Whitepapers
A Multicast Routing Protocol with Pruning and Energy Balancing for Wireless Sensor Networks
June 4, 2012, 12:00am PDT
This paper presents a novel multicast routing protocol for wireless sensor networks, named Multicast tree protocol with Pruning and Energy Balancing (MPEB) to disseminate data through a layered...
Provided by Hindawi Publishing
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Whitepapers
INS Assisted Fuzzy Tracking Loop for GPS Guided Missiles and Vehicular Applications
December 14, 2012, 12:00am PST
Autonomous Navigation Systems (ANS) used in ballistic missiles and other high dynamic platforms are mostly dependent on the Global Positioning System (GPS). GPS users face limitations in terms of...
Provided by Hindawi Publishing
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Whitepapers
Network Architecture, Security Issues and Hardware Implementation of a Home Area Network for Smart Grid
November 13, 2012, 12:00am PST
This review paper discusses aims, architecture and security issues of smart grid, taking care of the lesson learned at University of Pisa in research projects on smart energy and grid. A key...
Provided by Hindawi Publishing
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Whitepapers
Stability Properties of Network Diversity Multiple Access with Multiple-Antenna Reception and Imperfect Collision Multiplicity Estimation
November 26, 2012, 12:00am PST
In NDMA (Network Diversity Multiple Access), protocol-controlled retransmissions are used to create a virtual MIMO (Multiple-Input Multiple-Output) system, where collisions can be resolved via...
Provided by Hindawi Publishing
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Whitepapers
A Study on the Optimal Receiver Impedance for SNR Maximization in Broadband PLC
October 31, 2012, 12:00am PDT
The authors consider the design of the front-end receiver for broadband power line communications. They focus on the design of the input impedance that maximizes the Signal-to-Noise Ratio (SNR) at...
Provided by Hindawi Publishing
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Whitepapers
Enhancements of G3-PLC Technology for Smart-Home/Building Applications
December 14, 2012, 12:00am PST
To enable the smart grid concept, it is fundamental to consider the in-home/building context where, beside the conventional home networking services, home automation and smart energy management...
Provided by Hindawi Publishing
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Whitepapers
An Energy-Efficient and Fault-Tolerant Convergecast Protocol in Wireless Sensor Networks
March 5, 2012, 12:00am PST
The simple graph theory is commonly employed in wireless sensor networks topology control. This paper uses hyper-graph theory to solve the practical problems and proposes a Spanning Hyper-Tree...
Provided by Hindawi Publishing
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Whitepapers
An Energy-Efficient and Fault-Tolerant Convergecast Protocol in Wireless Sensor Networks
March 5, 2012, 12:00am PST
The simple graph theory is commonly employed in wireless sensor networks topology control. This paper uses hyper-graph theory to solve the practical problems and proposes a Spanning Hyper-Tree...
Provided by Hindawi Publishing
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Whitepapers
An Energy-Efficient and Fault-Tolerant Convergecast Protocol in Wireless Sensor Networks
March 5, 2012, 12:00am PST
The simple graph theory is commonly employed in wireless sensor networks topology control. This paper uses hyper-graph theory to solve the practical problems and proposes a Spanning Hyper-Tree...
Provided by Hindawi Publishing
-
Whitepapers
An Energy-Efficient and Fault-Tolerant Convergecast Protocol in Wireless Sensor Networks
March 5, 2012, 12:00am PST
The simple graph theory is commonly employed in wireless sensor networks topology control. This paper uses hyper-graph theory to solve the practical problems and proposes a Spanning Hyper-Tree...
Provided by Hindawi Publishing
-
Whitepapers
An Energy-Efficient and Fault-Tolerant Convergecast Protocol in Wireless Sensor Networks
March 5, 2012, 12:00am PST
The simple graph theory is commonly employed in wireless sensor networks topology control. This paper uses hyper-graph theory to solve the practical problems and proposes a Spanning Hyper-Tree...
Provided by Hindawi Publishing
-
Whitepapers
An Energy-Efficient and Fault-Tolerant Convergecast Protocol in Wireless Sensor Networks
March 5, 2012, 12:00am PST
The simple graph theory is commonly employed in wireless sensor networks topology control. This paper uses hyper-graph theory to solve the practical problems and proposes a Spanning Hyper-Tree...
Provided by Hindawi Publishing
-
Whitepapers
An Energy-Efficient and Fault-Tolerant Convergecast Protocol in Wireless Sensor Networks
March 5, 2012, 12:00am PST
The simple graph theory is commonly employed in wireless sensor networks topology control. This paper uses hyper-graph theory to solve the practical problems and proposes a Spanning Hyper-Tree...
Provided by Hindawi Publishing
-
Whitepapers
An Energy-Efficient and Fault-Tolerant Convergecast Protocol in Wireless Sensor Networks
March 5, 2012, 12:00am PST
The simple graph theory is commonly employed in wireless sensor networks topology control. This paper uses hyper-graph theory to solve the practical problems and proposes a Spanning Hyper-Tree...
Provided by Hindawi Publishing
-
Whitepapers
An Energy-Efficient and Fault-Tolerant Convergecast Protocol in Wireless Sensor Networks
March 5, 2012, 12:00am PST
The simple graph theory is commonly employed in wireless sensor networks topology control. This paper uses hyper-graph theory to solve the practical problems and proposes a Spanning Hyper-Tree...
Provided by Hindawi Publishing
-
Whitepapers
An Energy-Efficient and Fault-Tolerant Convergecast Protocol in Wireless Sensor Networks
March 5, 2012, 12:00am PST
The simple graph theory is commonly employed in wireless sensor networks topology control. This paper uses hyper-graph theory to solve the practical problems and proposes a Spanning Hyper-Tree...
Provided by Hindawi Publishing
-
Whitepapers
Support for a Long Lifetime and Short End-to-End Delays with TDMA Protocols in Sensor Networks
March 5, 2012, 12:00am PST
In this paper, the authors address a tough challenge of achieving two opposing goals: ensuring long lifetimes and supporting short end-to-end delays in sensor networks. Obviously, sensor nodes...
Provided by Hindawi Publishing
-
Whitepapers
Environment-Aware CMT for Efficient Video Delivery in Wireless Multimedia Sensor Networks
September 30, 2012, 12:00am PDT
Wireless Multimedia Sensor Networks (WMSNs) have gained significant attention with capabilities of retrieving video and audio streams, still images, and scalar sensor data but with challenge of...
Provided by Hindawi Publishing
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Whitepapers
Centralized Management Mechanism for Cell Outage Compensation in LTE Networks
July 10, 2012, 12:00am PDT
To mitigate the performance degradation induced by the cell outage, in this paper, a centralized cell outage compensation management mechanism and the corresponding workflow are proposed. Then a...
Provided by Hindawi Publishing
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Whitepapers
A Path Planning Algorithm with a Guaranteed Distance Cost in Wireless Sensor Networks
August 28, 2012, 12:00am PDT
In this paper, the problem is how to obtain a path with minimum distance cost and effectively organize the network to ensure the availability of this path. The authors present a distributed...
Provided by Hindawi Publishing
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Whitepapers
Security and Vulnerability of SCADA Systems Over IP-Based Wireless Sensor Networks
October 24, 2012, 12:00am PDT
An overview of Supervisory Control And Data Acquisition (SCADA) systems is presented and relevant security concerns are addressed. To secure IP-based SCADA systems, it is vital to implement secure...
Provided by Hindawi Publishing
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Whitepapers
Data Gathering in Opportunistic Wireless Sensor Networks
October 2, 2012, 12:00am PDT
In this paper, the authors propose an efficient data gathering algorithm based on location prediction in opportunistic wireless sensor networks. The algorithm first collects the network metadata...
Provided by Hindawi Publishing
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