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- Technical articles 2004-12-01
- Service Oriented Wireless Sensor Network Toolbox for Consumer Applications
- Service-oriented computing which provides flexible composition of various applications using multiple reusable services has getting more attractive. It proposes a service oriented wireless sensor networks toolbox, which encapsulates complexities of sensor networks and enables simple service compositions using an intuitive GUI. It utilizes sensor networks as a collection of services...
- White papers 2009-03-16
- Real-Time Enabled IEEE 802.15.4 Sensor Networks in Industrial Automation
- Sensor networks have been investigated in many scenarios and a good number of protocols have been developed. With the standardization of the IEEE 802.15.4 protocol, sensor networks became also an interesting topic in industrial automation. Here, the main focus is on real-time capabilities and reliability. The paper analyzed the IEEE...
- White papers 2009-06-16
- Constructing Wireless Sensor Networks Via Effective Topology Maintenance and Querying
- The ability of properly covering the terrain under investigation and collecting measurements from redundantly sensed portions of the terrain are two important objectives for monitoring applications using wireless sensor networks. Here, a new architectural view of information retrieval for XML compliant environmental monitoring applications is introduced. The sensor network is...
- White papers
- Distributed TCP Caching for Wireless Sensor Networks
- Many applications of wireless sensor networks are useful only when connected to an external network. Previous research on transport layer protocols for sensor networks has focused on designing protocols specifically targeted for sensor networks. The deployment of TCP/IP in sensor networks would, however, enable direct connection between the sensor network...
- White papers 2007-01-01
- Energy-Efficient TCP Operation in Wireless Sensor Networks
- Many applications of wireless sensor networks require connectivity to external networks to let monitoring and controlling entities communicate with the sensors. By using the TCP/IP protocols inside the sensor network, external connectivity can be achieved anywhere in the sensor network. In such IP-based sensor networks, TCP can be used for...
- White papers 2005-03-02
- A Security Framework for Wireless Sensor Networks
- Wireless sensor networks are result of developments in micro electro mechanical systems and wireless networks. These networks are made of tiny nodes which are becoming future of many applications where sensor networks are deployed in hostile environments. The deployment nature where sensor networks are prone to physical interaction with environment...
- White papers 2006-02-09
- Application of Middleware and Agent Technologies to a Representative Sensor Network
- Sensor networks are Distributed Real-time Embedded DRE systems that often operate in open environments where operating conditions, workload, resource availability, and connectivity cannot be accurately characterized a priori. The South East Alaska MOnitoring Network for Science, Telecommunications, Education, and Research SEAMONSTER project illustrates many common system management and dynamic operation...
- White papers 2008-05-21
- Providing Anonymity in Wireless Sensor Networks
- Sensor networks are often used to monitor sensitive information from the environment or track sensitive objects' movements. Anonymity has become an important problem in sensor networks, and has been widely researched in wireless ad hoc and wired networks. The limited capacity and resources of current sensor networks have brought new...
- White papers 2007-04-27
Additional Resources
- Energy Efficient Communication Protocol for a Mobile Wireless Sensor Network System
- Wireless Sensor Network Systems can be applied to monitor different environments ranging from military to civil applications. It has been observed that different protocols required for smooth functioning of the network system are highly application specific. Another important fact is that the communication protocols have significant role in achieving right...
- White papers 2009-02-01
- eL-MAC: An Enhanced Energy Efficient TDMA-Based MAC Protocol for Wireless Sensor Network
- Wireless sensor network is becoming an attractive field in wireless network research community. The ability of network structure to maximize network lifetime is among the hot topic due to limitation of resources such as energy, processing and memory, in sensor network architecture itself. Medium Access layer MAC with Time Division...
- White papers 2008-11-27
- A Taxonomy of Wireless Micro-Sensor Network Models
- In future smart environments, wireless sensor networks will play a key role in sensing, collecting, and disseminating information about environmental phenomena. Sensing applications represent a new paradigm for network operation, one that has different goals from more traditional wireless networks. This paper examines this emerging field to classify wireless micro-sensor...
- White papers
- The Design and Implementation of an IP-Based Sensor Network for Intrusion Monitoring
- This paper presents an experimental deployment of an IP-based wireless sensor network that is intended to operate as an intrusion monitoring system. This network is the first actual deployment of a fully IP-based wireless sensor network with small and computationally constrained sensor nodes. The intrusion monitoring system detects motion in...
- White papers 2007-01-01
- Mobile Wireless Sensor Network Connectivity Repair With K-Redundancy
- Connectivity is an important requirement for wireless sensor networks especially in real-time monitoring and data transfer applications. However, node movements and failures change the topology of the initial deployed network, which can result in partitioning of the communication graph. This paper presents a method for maintaining and repairing the communication...
- White papers 2008-10-16
- Maximizing Coverage in a Connected and K-Covered Wireless Sensor Network Using Genetic Algorithms
- It is interested in an initial deployment strategy that maximizes the coverage area of wireless sensor network while preserving connectivity between nodes provided that all given hotspot regions are covered by at least k sensors. Sensing coverage of a sensor network characterizes how well an area is monitored or tracked...
- White papers 2008-06-30
- Spinning Sensors: Middleware for Robotic Sensor Network
- This paper proposes Spinning Sensors, a middleware system for creating robotic sensor network applications. This middleware enables application programmers to easily write application software which utilizes both sensors and actuators in their network. In the Spinning Sensors model, a sensor node is attached to a robotic actuator to change its...
- White papers 2007-09-04
- A Service-Oriented Component-Based Middleware Architecture for Wireless Sensor Networks Sensor Network
- The use of sensor networks in different spheres of the modern society is emerging as a new trend. However, the integration and coordination of heterogeneous sensors is still a challenge, especially when the target application scenario is susceptible to constant changes. To enable a wider adoption of sensor network technologies,...
- White papers 2009-04-03
- SASHA: Toward a Self-Healing Hybrid Sensor Network Architecture
- For widespread adoption of sensor technology, robustness in the event of abnormal behavior such as a network intrusion, or failures of components or nodes is critical. Current research on robust and resilient sensor networking is focused on specific tasks - secure broadcast, secure aggregation, secure localization or fault-tolerant feature extraction....
- White papers 2008-01-01
- Monitoring of an Aeroponic Greenhouse With a Sensor Network
- This paper describes the design and implementation of a wireless sensor network for greenhouse environment monitoring. The sensor network was deployed in a commercial aeroponic greenhouse that produces lettuces in a tropical environment. The sensor node was developed using off-the-shelf components and consists of sensors, a micro-controller and a low-powered...
- White papers 2009-04-03
- Optimized Medium Access Control for Wireless Sensor Network
- Medium access control for wireless sensor networks has been a very active research area in the recent years. The traditional wireless medium access control protocol such as IEEE 802.11 is not suitable for the sensor network application because these are battery powered. The recharging of these sensor nodes is expensive...
- White papers 2008-03-04
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