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- 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...
- Tags: Network, Taxonomy, Networking, Wi-Fi, Wireless
- White papers
- Towards TCP/IP for Wireless Sensor Networks
- Wireless sensor networks are composed of large numbers - up to thousands - of tiny radio-equipped sensors. Every sensor has a small microprocessor with enough power to allow the sensors to autonomously form networks through which sensor information is gathered. Wireless sensor networks makes it possible to monitor places like...
- Tags: TCP/IP, Network, Sensor, Sensor Network, Wi-Fi, Wireless
- White papers 2005-03-01
- Sensor Relocation With Mobile Sensors: Design, Implementation, and Evaluation
- Mobile sensors are useful in many environments because they can move to increase the sensing coverage. This paper presents a mobile sensor prototype in which the Mica2 sensor node is used to control the movement of the robot built with Commercial Off-The-Shelf COTS components. The authors use a sensor relocation...
- Tags: Pennsylvania State University, Mobile, Sensor, Advertising & Promotion, Marketing
- White papers 2007-07-23
- 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...
- Tags: Network, Sensor, TCP, Wireless, Sensor Network, Tcp/Ip, Networking
- White papers 2005-03-02
- TCP Support for Sensor Networks
- Communication between sensors and controlling entities at the edge or outside the sensor network is needed for reliable remote sensor node management and reprogramming. TCP would be useful for tasks, where reliable unicast is appropriate, but the high bit error rates in wireless sensor networks lead to energy inefficiencies reducing...
- Tags: Network, Sensor, TCP, Sensor Network, Tcp/Ip, Networking
- White papers 2006-12-02
- Placement, Coordination and Tasking of Static and Mobile Sensor Networks
- Sensor networks consist of nodes that can measure characteristics of their local environment, perform computations, and communicate with each other over a wireless network. In recent years, advancements in hardware and low-level software have led to viable, medium-scale sensor networks consisting of hundreds of nodes that can instrument unstructured environments...
- Tags: Carnegie-Mellon University, Mobile, Network, Sensor, Networking
- White papers 2006-06-01
- Wireless Sensor Network Security: A Survey
- As wireless sensor networks continue to grow, so does the need for effective security mechanisms. Because sensor networks may interact with sensitive data and/or operate in hostile unattended environments, it is imperative that these security concerns be addressed from the beginning of the system design. However, due to inherent resource...
- Tags: Wireless Sensor Network, Survey, Wireless, CRC Press, Security
- White papers 2006-07-28
- Model-Based Validation of QoS Properties of Biomedical Sensor Networks
- A Biomedical Sensor Network BSN is a small-size sensor network for medical applications, that may contain tens of sensor nodes. This paper presents a formal model for BSNs using timed automata, where the sensor nodes communicate using the Chipcon CC2420 transceiver developed by Texas Instruments according to the IEEE 802.15.4...
- Tags: QoS, Network, Sensor, Biomedical, Biomedical Sensor Network, Sensor Node, Healthcare
- White papers 2008-04-18
- Topological Hole Detection in Wireless Sensor Networks and Its Applications
- The identification of holes in a wireless sensor network is of primary interest since the breakdown of sensor nodes in a larger area often indicates one of the special events to be monitored by the network in the first place (e.g. outbreak of a fire, destruction by an earthquakes etc.)....
- Tags: Network, Stanford University, Sensor, Wi-Fi, Wireless
- White papers 2005-08-02
- Time Synchronization in Wireless Sensor Networks
- Time synchronization algorithms for traditional wired networks have been proven to be inefficient for Wireless Sensor Networks WSN. The assumptions made by traditional time synchronization protocols such as NTP are not true for sensor networks. In a wired network factors such as moderate CPU utilization, network listening and data transmission...
- Tags: Network, Sensor, Wireless, Networking
- White papers 2005-06-06
- Multi-Criteria Routing in Wireless Sensor-Based Pervasive Environments
- Wireless sensor networks are expected to be an integral part of any pervasive computing environment. This implies an ever-increasing need for efficient energy and resource management of both the sensor nodes, as well as the overall sensor network, in order to meet the expected quality of data and service requirements....
- Tags: Network, Network Service, Environment, Sensor, Wireless, Sensor Network, Networking
- White papers 2005-12-01
- 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...
- Tags: Network, Monitoring, Sensor, Wireless, Monitoring Application, Sensor Network
- White papers
- Optimal Itinerary Analysis for Mobile Agents in Ad Hoc Wireless Sensor Networks
- One of the most important problems studied in any sensor network is data fusion. Client/server paradigm has been a commonly used computing model in traditional Distributed Sensor Networks DSNs. However, the deployment of Wireless Sensor Networks WSNs and its ad hoc nature have brought new challenges to the fusion task....
- Tags: Advertisement, Mobile, Network, Sensor, Fusion, Analysis, Client/server Paradigm, Networking
- White papers
- 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....
- Tags: Portland State University, Network, Sensor, Network Architecture, Networking
- White papers 2008-01-01
- The Worst-Case Capacity of Wireless Sensor Networks
- The key application scenario of wireless sensor networks is data gathering: sensor nodes transmit data, possibly in a multi-hop fashion, to an information sink. The performance of sensor networks is thus characterized by the rate at which information can be aggregated to the sink. This paper derives the first scaling...
- Tags: Network, Sensor, Association For Computing Machinery, Sensor Network, Wi-Fi, Wireless
- White papers 2007-04-27
- Performance Study of Organization and Data Aggregation in Wireless Sensor Networks
- Clustering is a proven method for enhancing the scalability of ad hoc mobile networks. It can also enhance the energy efficiency and a lifetime of large sensor networks typically deployed in sensitive environments, such as seismic zones, or in smart environments. Energy efficiency is crucial due to the limited power...
- Tags: Performance, Network, Clustering, Sensor, Wireless, Energy Efficiency, Networking
- White papers
- Service Oriented Sensor Web
- The Sensor Web is an emerging trend which makes various types of web-resident sensors, instruments, image devices, and repositories of sensor data, discoverable, accessible, and controllable via the World Wide Web. A lot of effort has been invested in order to overcome the obstacles associated with connecting and sharing these...
- Tags: Web, University Of Melbourne, Sensor, Sensor Web, Channel Management, Marketing
- White papers 2006-08-23
- StarDust: A Flexible Architecture for Passive Localization in Wireless Sensor Networks
- The problem of localization in wireless sensor networks where nodes do not use ranging hardware remains a challenging problem, when considering the required location accuracy, energy expenditure and the duration of the localization phase. This paper proposes a framework, called StarDust, for wireless sensor network localization based on passive optical...
- Tags: Network, Localization, Sensor, Stardust, Wi-Fi, Wireless
- White papers 2006-11-03
- DiSenS: Scalable Distributed Sensor Network Simulation
- Simulation can be a very useful tool for developing, evaluating and analyzing sensor network applications, especially when deploying a large scale sensor network remains an ex-pensive and labor intensive endeavor. However, the difficulty of achieving both fidelity and scalability has limited its use as a design and analysis tool. This...
- Tags: Network, Sensor, University Of California, DiSenS, Productivity, Networking
- White papers 2006-02-15
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