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Proceedings of the First IEEE International Workshop on Sensor Network Protocols and Applications, 2003.

11-11 May 2003

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Displaying Results 1 - 19 of 19
  • Proceedings of the First IEEE International Workshop on Sensor Network Protocols and Applications (Cat. No.03EX698)

    Publication Year: 2003
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    Freely Available from IEEE
  • Autor index

    Publication Year: 2003, Page(s): 174
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    Freely Available from IEEE
  • Optimal energy-balanced algorithm for selection in a single hop sensor network

    Publication Year: 2003, Page(s):9 - 18
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (674 KB) | HTML iconHTML

    Sensor networks are being used to implement a large set of applications that require distributed, collaborative computations. Selection is an important kernel in several sensor applications, particularly those involving speech and image data processing. In this paper we present an energy and time optimal algorithm for the selection problem in a single hop wireless network. The algorithm also has t... View full abstract»

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  • RMST: reliable data transport in sensor networks

    Publication Year: 2003, Page(s):102 - 112
    Cited by:  Papers (233)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (768 KB) | HTML iconHTML

    Reliable data transport in wireless sensor networks is a multifaceted problem influenced by the physical, MAC, network, and transport layers. Because sensor networks are subject to strict resource constraints and are deployed by single organizations, they encourage revisiting traditional layering and are less bound by standardized placement of services such as reliability. This paper presents anal... View full abstract»

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  • DIFS: a distributed index for features in sensor networks

    Publication Year: 2003, Page(s):163 - 173
    Cited by:  Papers (54)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (803 KB) | HTML iconHTML

    Sensor networks pose new challenges in the collection and distribution of data. Much attention has been focused on standing queries that use in-network aggregation of time series data to return data statistics in a communication-efficient manner. In this work, rather than consider searches over time series data, we consider searches over semantically rich high-level events, and present the design,... View full abstract»

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  • Aggregation in sensor networks: an energy-accuracy trade-off

    Publication Year: 2003, Page(s):128 - 138
    Cited by:  Papers (68)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (762 KB) | HTML iconHTML

    Wireless ad hoc sensor networks (WASNs) are in need of the study of useful applications that will help the researchers view them as distributed physically coupled systems, a collective that estimates the physical environment, and not just energy-limited ad hoc networks. We develop this perspective using a large and interesting class of WASN applications called aggregation applications. In particul... View full abstract»

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  • Energy efficiency based packet size optimization in wireless sensor networks

    Publication Year: 2003, Page(s):1 - 8
    Cited by:  Papers (177)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (484 KB) | HTML iconHTML

    This paper addresses the question of optimal packet size for data communication in energy constrained wireless sensor networks. Unlike previous work on packet length optimization in other wired and wireless networks, energy efficiency is chosen as the optimization metric. The use of fixed size packets is proposed in light of the limited resources and management costs in sensor networks. The optima... View full abstract»

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  • Providing application QoS through intelligent sensor management

    Publication Year: 2003, Page(s):93 - 101
    Cited by:  Papers (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (618 KB) | HTML iconHTML

    Wireless sensor networks are uniquely characterized by tight energy and bandwidth constraints. These networks should be designed to provide enough data to their application so that a reliable description of the environment can be derived, while operating as energy-efficiently as possible and at the same time meeting bandwidth constraints. These goals are typically contradicting and must be balance... View full abstract»

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  • Localized positioning in ad hoc networks

    Publication Year: 2003, Page(s):42 - 50
    Cited by:  Papers (45)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (589 KB) | HTML iconHTML

    Position centric approaches, such as Cartesian routing, geographic routing, and the recently proposed trajectory based forwarding (TBF), address scalability issues in large ad hoc networks by using Euclidean space as a complementary name space. These approaches require. that nodes know their position in a common coordinate system. While a GPS receiver in each node would be ideal, in many cases an ... View full abstract»

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  • Data funneling: routing with aggregation and compression for wireless sensor networks

    Publication Year: 2003, Page(s):156 - 162
    Cited by:  Papers (80)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (490 KB) | HTML iconHTML

    This paper considers the problem of minimizing the amount of communication needed to send readings from a set of sensors to a single destination in energy constrained wireless networks. Substantial gains can be obtained using packet aggregation techniques while routing. The proposed routing algorithm, called Data Funneling, allows the network to considerably reduce the amount of energy spent on co... View full abstract»

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  • A protocol for tracking mobile targets using sensor networks

    Publication Year: 2003, Page(s):71 - 81
    Cited by:  Papers (137)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (670 KB) | HTML iconHTML

    With recent advances in device fabrication technology, economical deployment of large scale sensor networks, capable of pervasive monitoring and control of physical systems have become possible. Scalability, low overhead anti distributed functionality are some of the key requirements for any protocol designed for such large scale sensor networks. In this paper, we present a protocol, Distributed P... View full abstract»

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  • Multi-resolution state retrieval in sensor networks

    Publication Year: 2003, Page(s):19 - 29
    Cited by:  Papers (21)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (774 KB) | HTML iconHTML

    Large-scale dense sensor networks require mechanisms to extract topology information that can be used for various aspects of sensor network management. It is critical for any topology discovery algorithm in dense networks not only to adhere to the resource constraints of bandwidth and energy but also to provide several views of the network. Due to factors of density, redundancy and failures it may... View full abstract»

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  • Secure routing in wireless sensor networks: attacks and countermeasures

    Publication Year: 2003, Page(s):113 - 127
    Cited by:  Papers (468)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1056 KB) | HTML iconHTML

    We consider routing security in wireless sensor networks. Many sensor network routing protocols have been proposed, but none of them have been designed with security as a goal. We propose security goals for routing in sensor networks, show how attacks against ad-hoc and peer-to-peer networks can be adapted into powerful attacks against sensor networks, introduce two classes of novel attacks agains... View full abstract»

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  • Computing aggregates for monitoring wireless sensor networks

    Publication Year: 2003, Page(s):139 - 148
    Cited by:  Papers (102)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (712 KB) | HTML iconHTML

    Wireless sensor networks involve very large numbers of small, low-power, wireless devices. Given their unattended nature, and their potential applications in harsh environments, we need a monitoring infrastructure that indicates system failures and resource depletion. We describe an architecture for sensor network monitoring, then focus on one aspect of this architecture: continuously computing ag... View full abstract»

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  • Target localization based on energy considerations in distributed sensor networks

    Publication Year: 2003, Page(s):51 - 58
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (535 KB) | HTML iconHTML

    Wireless distributed sensor networks (DSNs) are important for a number of strategic applications such as coordinated target detection, surveillance, and localization. Energy is a critical resource in wireless sensor networks and system lifetime needs to be prolonged through the use of energy-conscious sensing strategies during system operation. We propose an energy-aware target detection and local... View full abstract»

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  • Reliable upgrade of group communication software in sensor networks

    Publication Year: 2003, Page(s):82 - 92
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (790 KB) | HTML iconHTML

    Communication is critical between nodes in wireless sensor networks. Upgrades to their communication software need to be done reliably because residual software errors in the new module can cause complete system failure. We present a software architecture, called cSimplex, which can reliably upgrade multicast-based group communication software in sensor networks. Errors in the new module are detec... View full abstract»

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  • Data MULEs: modeling a three-tier architecture for sparse sensor networks

    Publication Year: 2003, Page(s):30 - 41
    Cited by:  Papers (487)  |  Patents (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (683 KB) | HTML iconHTML

    This paper presents and analyzes an architecture to collect sensor data in sparse sensor networks. Our approach exploits the presence of mobile entities (called MULEs) present in the environment. MULEs pick up data from the sensors when in close range, buffer it, and drop off the data to wired access points. This can lead to substantial power savings at the sensors as they only have to transmit ov... View full abstract»

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  • The ACQUIRE mechanism for efficient querying in sensor networks

    Publication Year: 2003, Page(s):149 - 155
    Cited by:  Papers (73)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (510 KB) | HTML iconHTML

    We propose a novel and efficient mechanism for obtaining information in sensor networks which we refer to as ACQUIRE. In ACQUIRE an active query is forwarded through the network, and intermediate nodes use cached local information (within a look-ahead of d hops) in order to partially resolve the query. When the query is fully resolved, a completed response is sent directly back to the querying nod... View full abstract»

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  • Localized edge detection in sensor fields

    Publication Year: 2003, Page(s):59 - 70
    Cited by:  Papers (60)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (720 KB) | HTML iconHTML

    A wireless sensor network that studies relatively widespread phenomena (such as a contaminant flow or a seismic disturbance) may be called upon to provide a description of the boundary of the phenomenon (either a contour or some bounding box). In such cases, it may be necessary for each node to locally determine whether it lies at (or near) the edge of the phenomenon. In this paper, we show that s... View full abstract»

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