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- ActorNet: An Actor Platform for Wireless Sensor Networks
- This paper presents actorNet, a mobile agent platform for Wireless Sensor Networks WSNs. WSNs are well-suited to multi-agent systems: agent autonomy reduces the need for communication, saving precious energy. Mobile agents are also an intuitive technique for remotely reprogramming sensors deployed in the field. However, implementing agent programs directly on...
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- Path Planning of Mobile Landmarks for Localization in Wireless Sensor Networks
- Many applications of wireless sensor networks require the sensor nodes to obtain their locations. The main idea in most localization methods has been that some nodes with known coordinates (e.g., GPS-equipped nodes) transmit beacons with their coordinates in order to help other nodes to localize themselves. A promising method that...
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- POS: A Practical Order Statistics Service for Wireless Sensor Networks
- Wireless sensor networks are being deployed to monitor a wide range of environments. Since energy efficiency is critical in these deployments, previous work proposed in-network aggregation and approximation techniques to reduce the energy consumed collecting data. In-network aggregation can be used to compute statistics such as max, min, and average...
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- Lifetime-Optimal Data Routing in Wireless Sensor Networks Without Flow Splitting
- This paper considers two-tiered wireless sensor networks, and addresses the network lifetime problem for upper-tier Aggregation and Forwarding Nodes AFNs. Existing flow routing solutions proposed for maximizing network lifetime require AFNs to transmit flows to different nodes at the same time, which is called multi-session flow routing solutions. If an...
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- The Virtual Node Layer: A Programming Abstraction for Wireless Sensor Networks
- The Virtual Node Layer VNLayer programming abstraction provides programmable, predictable automata-virtual nodes-emulated by the low-level network nodes. This simplifies the design and rigorous analysis of applications for the wireless sensor network setting, as the layer can mask much of the uncertainty of the underlying components. This paper defines a general...
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- A Distributed Algorithm for Managing Multi-Target Identities in Wireless Ad-Hoc Sensor Networks
- This paper presents a scalable distributed algorithm for computing and maintaining multi-target identity information. The algorithm builds on a novel representational framework, Identity-Mass Flow, to overcome the problem of exponential computational complexity in man-aging multi-target identity explicitly. The algorithm uses local information to efficiently update the global multi-target identity information...
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- A Protocol Architecture for Wireless Sensor Networks
- Wireless Sensor Networks WSN is a new class of networking technology that is increasingly becoming popular nowadays. Huge strides taken in sensing technology, low-power microcontrollers and communication radio have spurred the mass production of relatively inexpensive sensor nodes. Such large scale sensor networks far outweigh use of conventional networks in...
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- Adaptive Distributed Multidimensional Scaling for Localization in Sensor Networks
- Accurate, distributed localization algorithms are needed for a wide variety of wireless sensor network applications. This paper introduces a scalable, distributed weighted-MultiDimensional Scaling dwMDS algorithm that adaptively emphasizes the most accurate range measurements and naturally accounts for communication constraints within the sensor network. For Received Signal-Strength RSS based range measurements,...
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- A Taxonomy for Denial-of-Service Attacks in Wireless Sensor Networks
- Wireless Sensor Networks WSNs are transitioning to real-world applications, where they face attacks already experienced by the Internet and wireless ad hoc networks. One such attack is that of Denial-Of-Service DOS, which is believed will only become more prevalent as sensor networks become more pervasive and accessible. With the inherent...
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- Directed Diffusion for Wireless Sensor Networking
- Advances in processor, memory and radio technology will enable small and cheap nodes capable of sensing, communication and computation. Networks of such nodes can coordinate to perform distributed sensing of environmental phenomena. This paper explores the directed diffusion paradigm for such coordination. Directed diffusion is data-centric in that all communication...
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- 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....
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- Experimental Analysis of Concurrent Packet Transmissions in Wireless Sensor Networks
- This paper undertakes a systematic experimental study to analyze the effects of concurrent packet transmissions in wireless sensor networks. As expected, the measurements confirm that guaranteeing successful packet reception with high probability requires that the signal to interference plus noise ratio exceed a critical threshold. It also confirms that groups...
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- Single-Beam Flow Routing for Wireless Sensor Networks
- Directional antenna has great potential to reduce power consumption in energy constrained wireless sensor networks. The paper considers a two-tier wireless sensor network where directional antenna is employed for upper-tier Aggregation and Forwarding Nodes AFNs. Existing flow routing solutions for maximizing network lifetime require each AFN to transmit multiple flows...
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- Mobile-Assisted Localization in Wireless Sensor Networks
- The localization problem is to determine an assignment of coordinates to nodes in a wireless ad-hoc or sensor network that is consistent with measured pairwise node distances. Most previously proposed solutions to this problem assume that the nodes can obtain pairwise distances to other nearby nodes using some ranging technology....
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- Performance Evaluation of Distributed Computing Paradigms in Mobile Ad Hoc Sensor Networks
- The emergence of mobile ad hoc sensor networks has brought new challenges to traditional network design. This paper focuses on the study at the application layer. In specific, it compares the performance of two distributed computing paradigms, the client/server-based paradigm and the mobile-agent-based paradigm, through mathematical modeling and simulation. The...
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- Toward Efficient Solutions to Resist Mobile Traffic Sensors: How Much Performance Cost Is Paid by On-Demand Anonymous Routing Protocols
- The recent progress in embedded real-time system development has realized mobile traffic sensors, for example, embedded systems carried by palm-size Unmanned Aerial Vehicles UAV. This has great impact on privacy design in mobile ad hoc networks because mobility introduces new privacy targets for the traffic sensors. In a mobile network,...
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- Scalable Localization in Wireless Sensor Networks
- Localization, an important challenge in wireless sensor networks, is the process of sensor nodes self-determining their position. The difficulty encountered is in cost-effectively providing acceptable accuracy in localization. The potential for the deployment of high density networks in the near future makes scalability a critical issue in localization. This paper...
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- A Genetic-Algorithm Based Mobile Sensor Network Deployment Algorithm
- This paper describes a Genetic-Algorithm GA based deployment algorithm of mobile sensor network. The algorithm is designed for real-time online deployment for maximum coverage of the environment. The paper presents the details on the algorithm and the implementation, including the major components in the design: recombination, mutation, and the fitness...
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- 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...
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- 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...
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