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Hamburg University of Technology
(21 results)-
White Papers
Cooperative Multiaccess for Wireless Metropolitan Area Networks: An Information-Centric Approach
February 23, 2009, 12:00am PST
Multiaccess wireless networks have emerged as an active research field but, until now, previous work has mainly centered on integrating wireless LANs with cellular networks. With mobile WiMAX...
Provided by Hamburg University of Technology
-
White Papers
From Electronic to Mobile Commerce: Opportunities Through Technology Convergence for Business Services
April 11, 2008, 12:00am PDT
Mobile commerce is gaining increasing acceptance. The need for mobility is a primary driving force behind mobile banking, mobile entertainment and mobile marketing, and is supported by an ever...
Provided by Hamburg University of Technology
-
White Papers
From Electronic to Mobile Commerce Opportunities Through Technology Convergence for Business Services
April 11, 2008, 12:00am PDT
Mobile commerce is gaining increasing acceptance. The need for mobility is a primary driving force behind mobile banking, mobile entertainment and mobile marketing, and is supported by an ever...
Provided by Hamburg University of Technology
-
White Papers
A Low Complexity Transmitter Structure for OFDM-FDMA Uplink Systems
January 1, 2011, 12:00am PST
The Orthogonal Frequency Division Multiplex (OFDM) transmission technique can efficiently deal with the effects of multi-path propagation in the broadband radio channel. It also has a high system...
Provided by Hamburg University of Technology
-
Whitepapers
Survivability Analysis Under Non-Uniform Stochastically Dependent Node Damages
January 16, 2010, 12:00am PST
In this paper, the authors analyze survivability of a wireless sensor network under a non-uniform damage model. The analysis assumes statistically dependent damages or node failures. Specifically,...
Provided by Hamburg University of Technology
-
Whitepapers
From Insider Threats to Business Processes That Are Secure-by-Design
April 30, 2012, 12:00am PDT
The authors argue that insider threat is a placeholder term that accompanies the transition from securing IT infrastructures to securing the socio-technical systems made possible by these IT...
Provided by Hamburg University of Technology
-
White Papers
Design Considerations for a Universal Smart Energy Module for Energy Harvesting in Wireless Sensor Networks
June 23, 2011, 12:00am PDT
This paper presents the design of a universal energy module for nodes in wireless sensor networks. It supports a wide range of energy harvesters and energy storage systems. The focus is on the...
Provided by Hamburg University of Technology
-
White Papers
Construction of Connected Dominating Sets in Large-Scale MANETs Exploiting Self-Stabilization
May 30, 2011, 12:00am PDT
Available algorithms for the distributed construction of connected dominating sets in mobile ad hoc networks are inapplicable or suffer from a high complexity. This is mainly due to the...
Provided by Hamburg University of Technology
-
White Papers
Prediction Accuracy of Link-Quality Estimators
May 24, 2011, 12:00am PDT
The accuracy of Link-Quality Estimators (LQE) is mission-critical in many application scenarios in Wireless Sensor Networks (WSN), since the link-quality metric is used for routing decisions or...
Provided by Hamburg University of Technology
-
White Papers
Performance of Energy-Efficient TDMA Schemes in Data-Gathering Scenarios With Periodic Sources
June 22, 2010, 12:00am PDT
Energy-efficient transportation of periodical sensor readings towards a single sink in wireless sensor networks is a challenging task. In general, two data-gathering strategies exist: on-demand...
Provided by Hamburg University of Technology
-
White Papers
RFID for Mobile Applications
August 11, 2009, 12:00am PDT
The availability of fast anti-collision algorithms is crucial for most RFID applications. This paper aims to evaluate these algorithms for applications in which it is not intended to identify the...
Provided by Hamburg University of Technology
-
White Papers
Methodologies for Comparing Clustering Algorithms in Wireless Sensor Networks
July 3, 2011, 12:00am PDT
This paper presents general methodologies for comparing distributed algorithms, which are exemplified by clustering algorithms in sensor networks. Significant metrics for evaluating the algorithms...
Provided by Hamburg University of Technology
-
White Papers
Efficient Slot Assignment for the Many-to-One Routing Pattern in Sensor Networks
March 10, 2009, 12:00am PDT
In this paper an efficient TDMA slot assignment for the many-to-one routing pattern in wireless sensor networks is presented and analyzed. This assignment scheme is based on a simple to implement...
Provided by Hamburg University of Technology
-
White Papers
A Rewritable RFID Environment for AGV Navigation
April 1, 2008, 12:00am PDT
The paper analyzes potentials, challenges, and applications of using rewritable, stationary RFID tags for marking routes for autonomous vehicles in manufacturing environments. This approach...
Provided by Hamburg University of Technology
-
White Papers
Randomized Self-Stabilizing Algorithms for Wireless Sensor Networks
August 18, 2009, 12:00am PDT
Wireless Sensor Networks (WSNs) pose challenges not present in classical distributed systems: resource limitations, high failure rates, and ad hoc deployment. The lossy nature of wireless...
Provided by Hamburg University of Technology
-
White Papers
Computing Bridges, Articulations, and 2-Connected Components in Wireless Sensor Networks
August 18, 2009, 12:00am PDT
This paper presents a simple distributed algorithm to determine the bridges, articulation points, and 2-connected components in asynchronous networks with an at least once message delivery...
Provided by Hamburg University of Technology
-
White Papers
A Roadmap for Hardware and Software Support for Developing Energy-Efficient Sensor Networks
August 17, 2009, 12:00am PDT
Support for developing energy-efficient applications for wireless sensor networks is still scarce. In this paper a roadmap of a combined hardware and software approach is presented. The main idea...
Provided by Hamburg University of Technology
-
White Papers
TinyMoBot: A Platform for Mobile Sensor Networks
August 17, 2009, 12:00am PDT
In many application scenarios of wireless sensor networks parts or the whole network consist of mobile sensor nodes. Currently, no common platform is available. This paper describes a project that...
Provided by Hamburg University of Technology
-
White Papers
SomSeD: An Interdisciplinary Approach for Developing Wireless Sensor Networks
July 11, 2008, 12:00am PDT
The research field "Self organized mobile Sensor and Data networks" (SomSeD) is introduced. Its purpose is the investigation of Wireless Sensor Networks (WSN). It benefits from interdisciplinary...
Provided by Hamburg University of Technology
-
White Papers
Connectivity-Aware Neighborhood Management Protocol in Wireless Sensor Networks
August 26, 2008, 12:00am PDT
Neighborhood relations are changing over time in wireless sensor networks due to different hardware or environmental effects. These effects and memory limitations require a balanced neighborhood...
Provided by Hamburg University of Technology
-
White Papers
Lifetime Prediction for Supercapacitor-Powered Wireless Sensor Nodes
August 17, 2009, 12:00am PDT
Energy-aware task scheduling is a novel research direction for wireless sensor networks. It depends on accurate models for lifetime prediction. In other terms, nodes must be aware of present and...
Provided by Hamburg University of Technology
-
Whitepapers
From Insider Threats to Business Processes That Are Secure-by-Design
April 30, 2012, 12:00am PDT
The authors argue that insider threat is a placeholder term that accompanies the transition from securing IT infrastructures to securing the socio-technical systems made possible by these IT...
Provided by Hamburg University of Technology
-
Whitepapers
Survivability Analysis Under Non-Uniform Stochastically Dependent Node Damages
January 16, 2010, 12:00am PST
In this paper, the authors analyze survivability of a wireless sensor network under a non-uniform damage model. The analysis assumes statistically dependent damages or node failures. Specifically,...
Provided by Hamburg University of Technology
-
White Papers
Lifetime Prediction for Supercapacitor-Powered Wireless Sensor Nodes
August 17, 2009, 12:00am PDT
Energy-aware task scheduling is a novel research direction for wireless sensor networks. It depends on accurate models for lifetime prediction. In other terms, nodes must be aware of present and...
Provided by Hamburg University of Technology
-
White Papers
Connectivity-Aware Neighborhood Management Protocol in Wireless Sensor Networks
August 26, 2008, 12:00am PDT
Neighborhood relations are changing over time in wireless sensor networks due to different hardware or environmental effects. These effects and memory limitations require a balanced neighborhood...
Provided by Hamburg University of Technology
-
White Papers
SomSeD: An Interdisciplinary Approach for Developing Wireless Sensor Networks
July 11, 2008, 12:00am PDT
The research field "Self organized mobile Sensor and Data networks" (SomSeD) is introduced. Its purpose is the investigation of Wireless Sensor Networks (WSN). It benefits from interdisciplinary...
Provided by Hamburg University of Technology
-
White Papers
TinyMoBot: A Platform for Mobile Sensor Networks
August 17, 2009, 12:00am PDT
In many application scenarios of wireless sensor networks parts or the whole network consist of mobile sensor nodes. Currently, no common platform is available. This paper describes a project that...
Provided by Hamburg University of Technology
-
White Papers
A Roadmap for Hardware and Software Support for Developing Energy-Efficient Sensor Networks
August 17, 2009, 12:00am PDT
Support for developing energy-efficient applications for wireless sensor networks is still scarce. In this paper a roadmap of a combined hardware and software approach is presented. The main idea...
Provided by Hamburg University of Technology
-
White Papers
Computing Bridges, Articulations, and 2-Connected Components in Wireless Sensor Networks
August 18, 2009, 12:00am PDT
This paper presents a simple distributed algorithm to determine the bridges, articulation points, and 2-connected components in asynchronous networks with an at least once message delivery...
Provided by Hamburg University of Technology
-
White Papers
Randomized Self-Stabilizing Algorithms for Wireless Sensor Networks
August 18, 2009, 12:00am PDT
Wireless Sensor Networks (WSNs) pose challenges not present in classical distributed systems: resource limitations, high failure rates, and ad hoc deployment. The lossy nature of wireless...
Provided by Hamburg University of Technology
-
White Papers
A Rewritable RFID Environment for AGV Navigation
April 1, 2008, 12:00am PDT
The paper analyzes potentials, challenges, and applications of using rewritable, stationary RFID tags for marking routes for autonomous vehicles in manufacturing environments. This approach...
Provided by Hamburg University of Technology
-
White Papers
Efficient Slot Assignment for the Many-to-One Routing Pattern in Sensor Networks
March 10, 2009, 12:00am PDT
In this paper an efficient TDMA slot assignment for the many-to-one routing pattern in wireless sensor networks is presented and analyzed. This assignment scheme is based on a simple to implement...
Provided by Hamburg University of Technology
-
White Papers
Methodologies for Comparing Clustering Algorithms in Wireless Sensor Networks
July 3, 2011, 12:00am PDT
This paper presents general methodologies for comparing distributed algorithms, which are exemplified by clustering algorithms in sensor networks. Significant metrics for evaluating the algorithms...
Provided by Hamburg University of Technology
-
White Papers
RFID for Mobile Applications
August 11, 2009, 12:00am PDT
The availability of fast anti-collision algorithms is crucial for most RFID applications. This paper aims to evaluate these algorithms for applications in which it is not intended to identify the...
Provided by Hamburg University of Technology
-
White Papers
Performance of Energy-Efficient TDMA Schemes in Data-Gathering Scenarios With Periodic Sources
June 22, 2010, 12:00am PDT
Energy-efficient transportation of periodical sensor readings towards a single sink in wireless sensor networks is a challenging task. In general, two data-gathering strategies exist: on-demand...
Provided by Hamburg University of Technology
-
White Papers
Prediction Accuracy of Link-Quality Estimators
May 24, 2011, 12:00am PDT
The accuracy of Link-Quality Estimators (LQE) is mission-critical in many application scenarios in Wireless Sensor Networks (WSN), since the link-quality metric is used for routing decisions or...
Provided by Hamburg University of Technology
-
White Papers
Construction of Connected Dominating Sets in Large-Scale MANETs Exploiting Self-Stabilization
May 30, 2011, 12:00am PDT
Available algorithms for the distributed construction of connected dominating sets in mobile ad hoc networks are inapplicable or suffer from a high complexity. This is mainly due to the...
Provided by Hamburg University of Technology
-
White Papers
Design Considerations for a Universal Smart Energy Module for Energy Harvesting in Wireless Sensor Networks
June 23, 2011, 12:00am PDT
This paper presents the design of a universal energy module for nodes in wireless sensor networks. It supports a wide range of energy harvesters and energy storage systems. The focus is on the...
Provided by Hamburg University of Technology
-
White Papers
A Low Complexity Transmitter Structure for OFDM-FDMA Uplink Systems
January 1, 2011, 12:00am PST
The Orthogonal Frequency Division Multiplex (OFDM) transmission technique can efficiently deal with the effects of multi-path propagation in the broadband radio channel. It also has a high system...
Provided by Hamburg University of Technology
-
White Papers
From Electronic to Mobile Commerce Opportunities Through Technology Convergence for Business Services
April 11, 2008, 12:00am PDT
Mobile commerce is gaining increasing acceptance. The need for mobility is a primary driving force behind mobile banking, mobile entertainment and mobile marketing, and is supported by an ever...
Provided by Hamburg University of Technology
-
White Papers
From Electronic to Mobile Commerce: Opportunities Through Technology Convergence for Business Services
April 11, 2008, 12:00am PDT
Mobile commerce is gaining increasing acceptance. The need for mobility is a primary driving force behind mobile banking, mobile entertainment and mobile marketing, and is supported by an ever...
Provided by Hamburg University of Technology
-
White Papers
Cooperative Multiaccess for Wireless Metropolitan Area Networks: An Information-Centric Approach
February 23, 2009, 12:00am PST
Multiaccess wireless networks have emerged as an active research field but, until now, previous work has mainly centered on integrating wireless LANs with cellular networks. With mobile WiMAX...
Provided by Hamburg University of Technology
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