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Application of wireless sensor network to military information integration

Application of wireless sensor network to military informati...

引用

INDIN 2007 - 5th ieee international conference on Industrial Informatics

作者： Diamond, Scott M. Ceruti, Marion G. IEEE Training Squadron Two Naval Air Station 7700 USS Enterprise Street Whiting Field FL 32570-6112 United States Space and Naval Warfare Systems Center San Diego Code 246206 53560 Hull Street San Diego CA 92152-5001 United States

ISBN: (纸本)1424408644

the purpose of this investigative study is to develop a model for a system of systems to improve situation awareness and targeting through a real-time aerially deployed wireless sensor network. the main hypothesis of this work is that scalable, affordable, real-time wireless network can contribute to the common operating picture. this network can be used to overcome targeting discrepancies and counter asymmetric threats in the new warfare paradigm that pertains to opaque environments. Surveys identified requirements for a system of systems to meet requirements for situation assessment. this paper describes 1. a model to support the hypothesis that this network can to improve response to asymmetric threats, and 2. a system architecture based on commercial-off-the- shelf technology for military operations in this new combat paradigm. © 2007 ieee.

关键词： Wireless sensor networks

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Architectural elements of integrated micro-sensors for distributed sensor networks

Architectural elements of integrated micro-sensors for distr...

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ieee 18th international conference Application-specific systems, Architectures and Processors, ASAP07

作者： Seetharaman, Guna S. Talbert, Michael L. Blasch, Erik Air Force Institute of Technology Air Force Research Laboratory

ISBN: (纸本)1424410274

Recent advancements in the design, fabrication and packaging of micro electro-mechanical (MEM) sensors with embedded computing and wireless communication capabilities have made positive impacts on persistent surveillance of large areas in hostile conditions. We outline a set of core capabilities required of smart sensors to establish their precise location and perform collaborative sensing to gain and maintain maximum situation awareness. Such features include: CORDIC structured computations, direction selective transmission and reception through RF-MEMS, chip-scale atomic clock (CSAC), infra structure assisted sensing, among others. then we outline several system-level considerations such as: command, control, collaborative & cognitive computation and communication, and offer an end-user perspective of intelligent sensors in mission oriented sensor networks. the objective is to provide insights into the critical challenges for increasing the effectiveness of future sensor networks. We use a hypothetical counter-sniper system as an example to concretely emphasize the value of such features. © 2006 ieee.

关键词： Microsensors

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Functional extension for solving the loophole problem of DACS scheme

Functional extension for solving the loophole problem of DAC...

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5th ACIS international conference on Software Engineering Reseach, Management and Applications held in Conjuction with 1st international Workshop on Advanced Internet Technology and Applications

作者： Odagiri, Kazuya Yaegashi, Rihito Tadauchi, Masaharu Ishii, Naohiro Aichi Inst Technol Chikusa Ku 1-38-1 Higashiyamadouri Nagoya Aichi Japan Shibaura Inst Technol Koutou ku Tokyo 1358548 Japan Toyota Technol Inst Tenpaku ku Nagoya Aichi Japan

ISBN: (纸本)9780769528670

Where customers with different membership and position, use computers as in the university network systems, it often takes much time and efforts for them to cope with the change of the system management. this is because the requirements for the respective computer usage are different in the network and security policies. In this paper, destination addressing control system scheme (DACS Scheme) for the university network services is shown. the DACS Scheme performs network management efficiently through the communication management of a client. As the characteristic of DACS Scheme, only the setup modification is required by a system administrator, when configuration change of the network system is performed. then, the setup modification is unnecessary by a customer, which shows a merit for both a system administrator and a customer. However, there is a problem to be solved. In existing DACS Scheme, it is promised that, DACS Client for controlling the communication must be implemented on all clients. When the client not installing DACS Client is connected to the network, each network server can be accessed from the client. therefore, in this paper, secure DACS Scheme with function to prevent the communication from the client not installing DACS Client, is proposed and examined.

关键词： distributed computer systems

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Energy-efficient multi-hop medical sensor networking

Energy-efficient multi-hop medical sensor networking

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5th international conference on Mobile systems, Applications and Services

作者： Ruzzelli, A.G. Jurdak, R. O'Hare, G.M.P. Van Der Stok, P. School of Computer Science and Informatics University College Dublin Ireland Philips Research Laboratories prof. Hostlaan 4 NL 5656 AA Eindhoven Netherlands

ISBN: (纸本)1595937676

Wireless sensor networks represent a key technology enabler for enhanced health care and assisted living systems. Recent standardization efforts to ensure compatibility among sensor network systems sold by different vendors have produced the ieee 802.15.4 standard, which specifies the MAC and physical layer behavior. this standard has certain drawbacks: it supports only single-hop communication;it does not mitigate the hidden terminal problem;and it does not coordinate node sleeping patterns. the ieee 802.15.4 standard design philosophy assumes that higher layer mechanisms will take care of any added functionality. Building on ieee 802.15.4, this paper proposes TImezone COordinated Sleep Scheduling (TICOSS), a mechanism inspired by MERLIN [2] that provides multi-hop support over 802.15.4 through the division of the network into timezones. TICOSS is cross-layer in nature, as it closely coordinates MAC and routing layer behavior. the main contributions of TICOSS are threefold: (1) it allows nodes to alternate periods of activity and periods of inactivity to save energy;(2) it mitigates packet collisions due to hidden terminals belonging to nearby star networks;(3) it provides shortest path routing for packets from a node to the closest gateway. Simulation experiments confirm that augmenting ieee 802.15.4 networks with TICOSS doubles the operational lifetime for high traffic scenarios. TICOSS has also been implemented on the Phillips AquisGrain modules for testing and eventual deployment in assisted living systems. Copyright 2007 ACM.

关键词： Wireless sensor networks

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Protocol design and optimization for delay/fault-tolerant mobile sensor networks

Protocol design and optimization for delay/fault-tolerant mo...

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27th international conference on distributed computing systems, ICDCS'07

作者： Wang, Yu Wu, Hongyi Lin, Feng Tzeng, Nian-Feng Center for Advanced Computer Studies University of Louisiana at Lafayette P.O. Box 44330 Lafayette LA 70504

ISBN: (纸本)0769528376

While extensive studies have been carried out in the past several years for many sensor applications, they cannot be applied to the network with extremely low and intermittent connectivity, dubbed the Delay/Fault-Tolerant Mobile sensor Network (DFT-MSN). Without end-to-end connections due to sparse network density and sensor node mobility, routing in DFT-MSN becomes localized and ties closely to medium access control, which naturally calls for merging Layer 3 and Layer 2 protocols in order to reduce overhead and improve network efficiency. DFT-MSN is fundamentally an opportunistic network, where the communication links exist only with certain probabilities and become the scarcest resource. At the same time, the sensor nodes in DFT-MSN have very limited battery power like those in other sensor networks. Clearly, there is a tradeoff between link utilization and energy efficiency. To address this tradeoff, we develop a cross-layer data delivery protocol for DFT-MSN, which includes two phases, i.e., the asynchronous phase and the synchronous phase. In the first phase, the sender contacts its neighbors to identify a set of appropriate receivers. Since no central control exists, the communication in the first phase is contention-based. In the second phase, the sender gains channel control and multicasts its data message to the receivers. Furthermore, several optimization issues in these two phases are identified, with solutions provided to reduce the collision probability and to balance between link utilization and energy efficiency. Our results show that the proposed cross-layer data delivery protocol for DFT-MSN achieves a high message delivery ratio with low energy consumption and an acceptable delay. © 2007 ieee.

关键词： Wireless sensor networks

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distributed event localization and tracking with wireless sensors

Distributed event localization and tracking with wireless se...

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5th international conference on Wired/Wireless Internet Communications

作者： Waelchli, Markus Skoczylas, Piotr Meer, Michael Braun, Torsten Univ Bern Inst Comp Sci & Appl Math Bern Switzerland Ecole Polytech Fed Lausanne Sch Comp &Commun Sci Lausanne Switzerland

ISBN: (纸本)9783540726944

In this paper we present the distributed event localization and tracking algorithm DELTA that solely depends on light measurements. Based on this information and the positions of the sensors, DELTA is able to track a moving person equipped with a flashlight by dynamically building groups and electing well located nodes as group leaders. Moreover, DELTA supports object localization. the gathered data is sent to a monitoring entity in a fixed network which can apply pattern recognition techniques to determine the legitimacy of the moving person. DELTA enables object tracking with minimal constraints on both sensor hardware and the moving object. We show the feasibility of the algorithm running on the limited hardware of an existing sensor platform.

关键词： sensor network monitoring tracking hardware

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Design and applications of Marine Broadband Framework for fisheries

Design and applications of Marine Broadband Framework for fi...

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4th international conference on Networked Sensing systems

作者： Wada, Masaaki Hatanaka, Katsumori Toda, Masashi Future Univ Hakodate Hakodate Hokkaido Japan Tokyo Univ Agr Tokyo Japan

ISBN: (纸本)9781424412310

In recent years, though various kinds of sensor network systems and ubiquitous computing systems are becoming available, applications for ocean use is quite limited. One of the main reasons, the development of broadband in the ocean area is not yet a reality. therein, the authors propose the construction of the Marine Broadband using wireless LAN which is usable in the costal region with the goal of the improvement of safety and productivity in marine industries. As a preliminary experiment, we set up a wireless LAN base station on a coastline and conducted a 1:1 transmission experiment with a wireless LAN equipped on a vessel. As a result, we confirmed that transmission within a range of approximately 5km radius from the base station is possible. Also, constructing a sensor network system targeting vessel indicated that it is possible to create a bathymetric chart, which provides valuable operation support information for fisheries.

关键词： Marine Broadband ieee802.11j wireless mesh networking system sensor network system

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Wired/Wireless Internet Communications: 5th international conference, WWIC 2007 Proceedings

Wired/Wireless Internet Communications: 5th International Co...

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5th international conference on Wired/Wireles Internet Communications, WWIC 2007

ISBN: (纸本)9783540726944

the proceedings contain 32 papers. the topics discussed include: TCP contention control: a cross layer approach to improve TCP performance in multihop ad hoc networks;SCTP performance issue on path relay differential;a secure handover protocol design in wireless networks with formal verification;security and service quality analysis for cluster-based wireless sensor networks;a quality adaptation scheme for Internet video streams;ID-based multiple space key pre-distribution scheme for wireless sensor networks;distributed event localization and tracking with wireless sensors;multicast overlay spanning tree protocol for ad hoc networks;an interference-robust transmission method for OFDMA uplink;cognitive radio based bandwidth sharing among heterogeneous OFDM access systems;and CDMA power control using channel prediction in mobile fading channels.

关键词： Technical presentations

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Passive filter design for three-phase inverter interfacing in distributed generation

Passive filter design for three-phase inverter interfacing i...

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5th international conference and Workshop on Compatibility in Power Electronics

作者： Ahmed, K. H. Finney, S. J. Williams, B. W. Univ Strathclyde Dept Elect & Elect Engn Glasgow G1 1XW Lanark Scotland

ISBN: (纸本)9781424410545

With the growing use of inverters in distributed generation, the problem of injected harmonics becomes critical. these harmonics require the connection of low pass filters between the inverter and the network this paper presents a design method for the output LC filter in grid coupled applications in distributed generation systems. the design is according to the harmonics standards that determine the level of current harmonics injected into the grid network Analytical expressions for the maximum inductor ripple current are derived. the filter capacitor design depends on the allowable level of switching components injected into the grid. Different passive filter damping techniques to suppress resonance affects are investigated and evaluated. Simulated results are included to verify the derived expressions.

关键词： DG inverter grid connected filtering damping harmonics

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An improved method of passive input current waveshaping for single-phase rectifier

An improved method of passive input current waveshaping for ...

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5th international conference and Workshop on Compatibility in Power Electronics

作者： Kazem, Hussein A. Sohar Univ Fac Engn Sohar Oman

ISBN: (纸本)9781424410545

this paper presents an improved passive input current waveshaping method for single-phase rectifiers (improved method-2). the simulation results show that the improved method can further lower the input current components and thDi of a single-phase diode rectifier as compared with the passive current waveshaping method by Ji Yanchao (improved method-1) and by P. D. Ziogas (novel method). the relevant input current and voltage waveforms, the input current total harmonic distortion and the input power factor value are derived from the computer simulation or theoretical analysis. A design example is provided and simulation results have been verified on 500 mW experimental models.

关键词： power electronics controllers to power systems power quality alternative energy and distributed systems

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