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CISTER
(24 results)-
White Papers
Using a Prioritized Medium Access Control Protocol for Incrementally Obtaining an Interpolation of Sensor Readings
January 6, 2011, 12:00am PST
This paper addresses sensor network applications which need to obtain an accurate image of physical phenomena and do so with a high sampling rate in both time and space. The authors present a fast...
Provided by CISTER
-
White Papers
Nano-CF: A Coordination Framework for Macro-Programming in Wireless Sensor Networks
June 29, 2011, 12:00am PDT
Wireless Sensor Networks (WSNs) are being used for a number of applications involving infrastructure monitoring, building energy monitoring and industrial sensing. The difficulty of programming...
Provided by CISTER
-
White Papers
sMapReduce: A Programming Pattern for Wireless Sensor Networks
June 29, 2011, 12:00am PDT
Wireless Sensor Networks (WSNs) are increasingly used in various application domains like home-automation, agriculture, industries and infrastructure monitoring. As applications tend to leverage...
Provided by CISTER
-
White Papers
A Framework for Programming Sensor Networks With Scheduling and Resource-Sharing Optimizations
June 29, 2011, 12:00am PDT
Several projects in the recent past have aimed at promoting Wireless Sensor Networks as an infrastructure technology, where several independent users can submit applications that execute...
Provided by CISTER
-
White Papers
Opportunistic Packet Scheduling in Body Area Networks
January 17, 2011, 12:00am PST
Significant research efforts are being devoted to Body Area Networks (BAN) due to their potential for revolutionizing healthcare practices. Energy-efficiency and communication reliability are...
Provided by CISTER
-
White Papers
Inter-Application Redundancy Elimination in Sensor Networks With Compiler-Assisted Scheduling
June 16, 2011, 12:00am PDT
Wireless sensor network nodes supporting multi-tasking and multiple concurrent applications are becoming increasingly common. These nodes are typically equipped with multiple sensors of various...
Provided by CISTER
-
White Papers
Energy Efficient Scheduling for Cluster-Tree Wireless Sensor Networks With Timebounded Data Flows: Application to IEEE 802.15.4/ZigBee
May 5, 2010, 12:00am PDT
Cluster scheduling and collision avoidance are crucial issues in large-scale cluster-tree Wireless Sensor Networks (WSNs). The paper presents a methodology that provides a Time Division Cluster...
Provided by CISTER
-
White Papers
Dimensioning and Worst-Case Analysis of Cluster-Tree Sensor Networks
June 1, 2010, 12:00am PDT
Modeling the fundamental performance limits of Wireless Sensor Networks (WSNs) is of paramount importance to understand their behavior under the worst-case conditions and to make the appropriate...
Provided by CISTER
-
White Papers
On a Reliable Handoff Procedure for Supporting Mobility in Wireless Sensor Networks
August 28, 2010, 12:00am PDT
Wireless Sensor Network (WSN) applications such as patients' health monitoring in hospitals, location-aware ambient intelligence, and industrial monitoring /maintenance or homeland security...
Provided by CISTER
-
White Papers
Traffic Differentiation Add-On to the IEEE 802.15.4 Protocol: Implementation and Experimental Validation Over a Real-Time Operating System
September 2, 2010, 12:00am PDT
The IEEE 802.15.4 is the most widespread used protocol for Wireless Sensor Networks (WSNs) and it is being used as a baseline for several higher layer protocols such as ZigBee, 6LoWPAN or...
Provided by CISTER
-
White Papers
Simulation Study of Energy Efficient Scheduling for IEEE 802.15.4/ZigBee Cluster-Tree Wireless Sensor Networks With Time-Bounded Data Flows
November 15, 2010, 12:00am PST
The simulation analysis is important approach to developing and evaluating the systems in terms of development time and cost. This paper demonstrates the application of Time Division Cluster...
Provided by CISTER
-
White Papers
Handling Mobility on a QoS-Aware Service-based Framework for Mobile Systems
December 1, 2010, 12:00am PST
Mobile applications are becoming increasingly more complex and making heavier demands on local system resources. Moreover, mobile systems are nowadays more open, allowing users to add more and...
Provided by CISTER
-
White Papers
Efficient Aggregate Computations in Large-Scale Dense WSN
February 13, 2009, 12:00am PST
The authors focus on large-scale and dense deeply embedded systems where, due to the large amount of information generated by all nodes, even simple aggregate computations such as the MINimum...
Provided by CISTER
-
White Papers
The Utilization Bound of Non-Preemptive Rate-Monotonic Scheduling in Controller Area Networks Is 25%
May 31, 2009, 12:00am PDT
Consider a distributed computer system comprising many computer nodes, each interconnected with a Controller Area Network (CAN) bus. The authors prove that if priorities to message streams are...
Provided by CISTER
-
White Papers
H-NAMe: A Hidden-Node Avoidance Mechanism for Wireless Sensor Networks
August 29, 2009, 12:00am PDT
The hidden-node problem has been shown to be a major source of Quality-of-Service (QoS) degradation in Wireless Sensor Networks (WSNs) due to factors such as the limited communication range of...
Provided by CISTER
-
White Papers
A Comparative Simulation Study of Link Quality Estimators in Wireless Sensor Networks
September 1, 2009, 12:00am PDT
Link Quality Estimation (LQE) in Wireless Sensor Networks (WSNs) is a fundamental building block for an efficient and cross-layer design of higher layer network protocols. Several link quality...
Provided by CISTER
-
White Papers
Operational Modal Monitoring of Ancient Structures Using Wireless Technology
November 11, 2009, 12:00am PST
Operational Modal Analysis is currently applied in structural dynamic monitoring studies using conventional wired based sensors and data acquisition platforms. This approach, however, becomes...
Provided by CISTER
-
White Papers
On the Capacity of Cluster-Tree ZigBee Networks
December 15, 2009, 12:00am PST
Modeling the fundamental performance limits of Wireless Sensor Networks (WSNs) is of paramount importance to understand their behavior under worst-case conditions and to make the appropriate...
Provided by CISTER
-
White Papers
Estimating the Number of Nodes in Wireless Sensor Networks
October 1, 2009, 12:00am PDT
The authors propose an efficient algorithm to estimate the number of live computer nodes in a network. This algorithm is fully distributed, and has a time-complexity which is independent of the...
Provided by CISTER
-
White Papers
Quality-of-Service in Wireless Sensor Networks: State-of-the-Art and Future Directions
November 11, 2009, 12:00am PST
Wireless Sensor Networks (WSNs) are one of today's most prominent instantiations of the ubiquituous computing paradigm. In order to achieve highlevels of integration, WSNs need to be conceived...
Provided by CISTER
-
White Papers
Efficient Implementation of a Dominance Protocol for Wireless Medium Access
December 9, 2008, 12:00am PST
Embedded computing systems went through extraordinary evolutions during the past two decades, representing nowadays one of the most promising technologies for improving a wide range of application...
Provided by CISTER
-
White Papers
Worst-Case Dimensioning of Cluster-Tree Sensor Networks With Mobile Sink Behaviour
April 9, 2008, 12:00am PDT
Modelling the fundamental performance limits of Wireless Sensor Networks (WSNs) is of paramount importance to understand the behaviour of WSN under worst-case conditions and to make the...
Provided by CISTER
-
White Papers
Improving Quality-of-Service in Wireless Sensor Networks by Mitigating "Hidden-Node Collisions"
June 25, 2009, 12:00am PDT
Wireless Sensor Networks (WSNs) emerge as underlying infrastructures for new classes of large-scale networked embedded systems. However, WSNs system designers must fulfill the Quality-of-Service...
Provided by CISTER
-
White Papers
Real-Time Communications Over Cluster-Tree Sensor Networks With Mobile Sink Behaviour
June 13, 2008, 12:00am PDT
Modelling the fundamental performance limits of Wireless Sensor Networks (WSNs) is of paramount importance to understand the behaviour of WSN under worst-case conditions and to make the...
Provided by CISTER
-
White Papers
Real-Time Communications Over Cluster-Tree Sensor Networks With Mobile Sink Behaviour
June 13, 2008, 12:00am PDT
Modelling the fundamental performance limits of Wireless Sensor Networks (WSNs) is of paramount importance to understand the behaviour of WSN under worst-case conditions and to make the...
Provided by CISTER
-
White Papers
Improving Quality-of-Service in Wireless Sensor Networks by Mitigating "Hidden-Node Collisions"
June 25, 2009, 12:00am PDT
Wireless Sensor Networks (WSNs) emerge as underlying infrastructures for new classes of large-scale networked embedded systems. However, WSNs system designers must fulfill the Quality-of-Service...
Provided by CISTER
-
White Papers
Worst-Case Dimensioning of Cluster-Tree Sensor Networks With Mobile Sink Behaviour
April 9, 2008, 12:00am PDT
Modelling the fundamental performance limits of Wireless Sensor Networks (WSNs) is of paramount importance to understand the behaviour of WSN under worst-case conditions and to make the...
Provided by CISTER
-
White Papers
Efficient Implementation of a Dominance Protocol for Wireless Medium Access
December 9, 2008, 12:00am PST
Embedded computing systems went through extraordinary evolutions during the past two decades, representing nowadays one of the most promising technologies for improving a wide range of application...
Provided by CISTER
-
White Papers
Quality-of-Service in Wireless Sensor Networks: State-of-the-Art and Future Directions
November 11, 2009, 12:00am PST
Wireless Sensor Networks (WSNs) are one of today's most prominent instantiations of the ubiquituous computing paradigm. In order to achieve highlevels of integration, WSNs need to be conceived...
Provided by CISTER
-
White Papers
Estimating the Number of Nodes in Wireless Sensor Networks
October 1, 2009, 12:00am PDT
The authors propose an efficient algorithm to estimate the number of live computer nodes in a network. This algorithm is fully distributed, and has a time-complexity which is independent of the...
Provided by CISTER
-
White Papers
On the Capacity of Cluster-Tree ZigBee Networks
December 15, 2009, 12:00am PST
Modeling the fundamental performance limits of Wireless Sensor Networks (WSNs) is of paramount importance to understand their behavior under worst-case conditions and to make the appropriate...
Provided by CISTER
-
White Papers
Operational Modal Monitoring of Ancient Structures Using Wireless Technology
November 11, 2009, 12:00am PST
Operational Modal Analysis is currently applied in structural dynamic monitoring studies using conventional wired based sensors and data acquisition platforms. This approach, however, becomes...
Provided by CISTER
-
White Papers
A Comparative Simulation Study of Link Quality Estimators in Wireless Sensor Networks
September 1, 2009, 12:00am PDT
Link Quality Estimation (LQE) in Wireless Sensor Networks (WSNs) is a fundamental building block for an efficient and cross-layer design of higher layer network protocols. Several link quality...
Provided by CISTER
-
White Papers
H-NAMe: A Hidden-Node Avoidance Mechanism for Wireless Sensor Networks
August 29, 2009, 12:00am PDT
The hidden-node problem has been shown to be a major source of Quality-of-Service (QoS) degradation in Wireless Sensor Networks (WSNs) due to factors such as the limited communication range of...
Provided by CISTER
-
White Papers
The Utilization Bound of Non-Preemptive Rate-Monotonic Scheduling in Controller Area Networks Is 25%
May 31, 2009, 12:00am PDT
Consider a distributed computer system comprising many computer nodes, each interconnected with a Controller Area Network (CAN) bus. The authors prove that if priorities to message streams are...
Provided by CISTER
-
White Papers
Efficient Aggregate Computations in Large-Scale Dense WSN
February 13, 2009, 12:00am PST
The authors focus on large-scale and dense deeply embedded systems where, due to the large amount of information generated by all nodes, even simple aggregate computations such as the MINimum...
Provided by CISTER
-
White Papers
Handling Mobility on a QoS-Aware Service-based Framework for Mobile Systems
December 1, 2010, 12:00am PST
Mobile applications are becoming increasingly more complex and making heavier demands on local system resources. Moreover, mobile systems are nowadays more open, allowing users to add more and...
Provided by CISTER
-
White Papers
Simulation Study of Energy Efficient Scheduling for IEEE 802.15.4/ZigBee Cluster-Tree Wireless Sensor Networks With Time-Bounded Data Flows
November 15, 2010, 12:00am PST
The simulation analysis is important approach to developing and evaluating the systems in terms of development time and cost. This paper demonstrates the application of Time Division Cluster...
Provided by CISTER
-
White Papers
Traffic Differentiation Add-On to the IEEE 802.15.4 Protocol: Implementation and Experimental Validation Over a Real-Time Operating System
September 2, 2010, 12:00am PDT
The IEEE 802.15.4 is the most widespread used protocol for Wireless Sensor Networks (WSNs) and it is being used as a baseline for several higher layer protocols such as ZigBee, 6LoWPAN or...
Provided by CISTER
-
White Papers
On a Reliable Handoff Procedure for Supporting Mobility in Wireless Sensor Networks
August 28, 2010, 12:00am PDT
Wireless Sensor Network (WSN) applications such as patients' health monitoring in hospitals, location-aware ambient intelligence, and industrial monitoring /maintenance or homeland security...
Provided by CISTER
-
White Papers
Dimensioning and Worst-Case Analysis of Cluster-Tree Sensor Networks
June 1, 2010, 12:00am PDT
Modeling the fundamental performance limits of Wireless Sensor Networks (WSNs) is of paramount importance to understand their behavior under the worst-case conditions and to make the appropriate...
Provided by CISTER
-
White Papers
Energy Efficient Scheduling for Cluster-Tree Wireless Sensor Networks With Timebounded Data Flows: Application to IEEE 802.15.4/ZigBee
May 5, 2010, 12:00am PDT
Cluster scheduling and collision avoidance are crucial issues in large-scale cluster-tree Wireless Sensor Networks (WSNs). The paper presents a methodology that provides a Time Division Cluster...
Provided by CISTER
-
White Papers
Inter-Application Redundancy Elimination in Sensor Networks With Compiler-Assisted Scheduling
June 16, 2011, 12:00am PDT
Wireless sensor network nodes supporting multi-tasking and multiple concurrent applications are becoming increasingly common. These nodes are typically equipped with multiple sensors of various...
Provided by CISTER
-
White Papers
Opportunistic Packet Scheduling in Body Area Networks
January 17, 2011, 12:00am PST
Significant research efforts are being devoted to Body Area Networks (BAN) due to their potential for revolutionizing healthcare practices. Energy-efficiency and communication reliability are...
Provided by CISTER
-
White Papers
A Framework for Programming Sensor Networks With Scheduling and Resource-Sharing Optimizations
June 29, 2011, 12:00am PDT
Several projects in the recent past have aimed at promoting Wireless Sensor Networks as an infrastructure technology, where several independent users can submit applications that execute...
Provided by CISTER
-
White Papers
sMapReduce: A Programming Pattern for Wireless Sensor Networks
June 29, 2011, 12:00am PDT
Wireless Sensor Networks (WSNs) are increasingly used in various application domains like home-automation, agriculture, industries and infrastructure monitoring. As applications tend to leverage...
Provided by CISTER
-
White Papers
Nano-CF: A Coordination Framework for Macro-Programming in Wireless Sensor Networks
June 29, 2011, 12:00am PDT
Wireless Sensor Networks (WSNs) are being used for a number of applications involving infrastructure monitoring, building energy monitoring and industrial sensing. The difficulty of programming...
Provided by CISTER
-
White Papers
Using a Prioritized Medium Access Control Protocol for Incrementally Obtaining an Interpolation of Sensor Readings
January 6, 2011, 12:00am PST
This paper addresses sensor network applications which need to obtain an accurate image of physical phenomena and do so with a high sampling rate in both time and space. The authors present a fast...
Provided by CISTER
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