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检索条件"任意字段=9th IEEE International Conference on Distributed Computing in Sensor Systems, DCoSS 2013"

共 236 条记录，以下是121-130 订阅

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A Dynamic Identity User Authentication Scheme in Wireless sensor Networks

A Dynamic Identity User Authentication Scheme in Wireless Se...

引用

9th international Wireless Communications and Mobile computing conference (IWCMC)

作者： Hsieh, Wen-Bin Leu, Jenq-Shiou Natl Taiwan Univ Sci & Technol Dept Elect Engn Taipei Taiwan

ISBN: (纸本)9781467324809

Wireless sensor networks (WSNs) represent the next evolutionary development step in utilities, industrial, building, home, shipboard, and transportation systems automation. WSNs are easy to deploy and have wide range of applications. therefore, in distributed and unattended locations, WSNs are deployed to allow a legitimated user to login to the network and access data. Consequently, the authentication between users and sensor nodes has become one of the important security issues. In 2009, M. L. Das proposed a two-factor authentication for WSNs. Based on one-way hash function and exclusive-OR operation, the scheme is well-suited for resource constrained environments. Later, Khan and Algahathbar pointed out the flaws and vulnerabilities of Das's scheme and proposed an alternative scheme. However, Vaidya et al. found that both Das's and KhanAlgahathbar's schemes are vulnerable to various attacks including stolen smart card attacks. Further, Vaidya et al. proposed an improved two-factor user authentication to overcome the security weakness of both schemes. In this paper, we show that Vaidya et alos scheme still exposes to a malicious insider attack that seriously threatens the security of WSNs. We hope that by identifying this vulnerability, similar schemes can avoid these weaknesses.

关键词： Wireless sensor networks two-factor authentication an insider attack password guessing attack security

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Wireless Smart Home sensor Networks: Mobile Agent based Anomaly Detection

Wireless Smart Home Sensor Networks: Mobile Agent based Anom...

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ieee 9th international conference on Ubiquitous Intelligence and computing (UIC) / ieee 9th international conference on Autonomic and Trusted computing (ATC)

作者： Usman, Muhammad Muthukkumarasamy, Vallipuram Wu, Xin-Wen Khanum, Surraya Griffith Univ Sch Informat & Commun Technol Nathan Qld 4222 Australia

ISBN: (纸本)9780769548432;9781467330848

Pervasive computing is changing the life style of human being in the 21st century. Smart home is one of the emerging examples for pervasive computing applications. In a smart home scenario, Wireless sensor Network (WSN) can potentially provide information about device activities and their status. this information can be useful for variety of purposes like monitoring home security, examining status of nodes, and replacing nodes that are malfunctioning or dead. the sensor network needs to be protected from intrusions and anomalies. Over the years, various Intrusion Detection systems (IDS) are proposed for preventing WSMs from intrusions. Although some mobile agent based IDS are proposed, anomaly detection for wireless smart home sensor network (WSHSN) is not fully exploited. In this article, we have purposed a mobile agent based anomaly detection mechanism for WSHSNs. the proposed scheme takes advantage from heterogeneous nature of devices in smart home for effectively detecting anomalies. the anomaly detection infrastructure is installed at resource rich nodes such as Cluster Heads (CHs). the mobile agent takes only few bytes of data to further assess the anomalous behavior of suspicious node. the analysis and comparative study show several adavantages of the proposed scheme, such as efficient utilization of memory, reducing network load, and reduction in utilization of memory, reducing network. the nature of our proposed solution is generic, so that as it is, or with slight modifications, it can implemented on other heterogeneous wireless sensor networks.

关键词： component pervasive computing mobile Agent intrusion detection system anomaly detection wireless smart home sensor network

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Data Storage and Retrieval with RPL Routing

Data Storage and Retrieval with RPL Routing

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9th international Wireless Communications and Mobile computing conference (IWCMC)

作者： Gonizzi, Pietro Ferrari, Gianluigi Medagliani, Paolo Leguay, Jeremie Univ Parma Dept Informat Engn Parco Area Sci 181-A I-43100 Parma Italy Thales Commun & Secur Colombes France

ISBN: (纸本)9781467324809

scenarios like the surveillance of isolated areas, when the border node of a network does not have a permanent connection with the Internet, Wireless sensor Networks (WSNs) are calling for resilient in-network data storage techniques which minimize the risk of data loss. the efficiency of these techniques can be largely improved exploiting information on the status of the network, such as that used by routing protocols. In particular, one of the most used protocol in Internet of things (IoT) scenarios is the IPv6 Routing Protocol for Low power and lossy networks (RPL). In this paper, we propose a redundant distributed data storage and retrieval mechanism to increase the resilience and storage capacity of a RPL-based WSN against local memory shortage. We evaluate our approach in the Contiki operating system through extensive analysis with the Cooja simulator.

关键词： distributed data storage RPL data replication data retrieval Contiki Cooja

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Beyond Scientific Workflows: Networked Open Processes

Beyond Scientific Workflows: Networked Open Processes

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ieee 9th international conference on e-Science (e-Science)

作者： Cushing, Reginald Bubak, Marian Belloum, Adam de Laat, Cees Univ Amsterdam Inst Informat Amsterdam Netherlands

ISBN: (纸本)9780769550831

the multitude of scientific services and processes being developed brings about challenges for future in silico distributed experiments. Choosing the correct service from an expanding body of processes means that the the task of manually building workflows is becoming untenable. In this paper we propose a framework to tackle the future of scientific collaborative distributed computing. We introduce the notion of Networked Open Processes whereby processes are exposed, published, and linked using semantics in the same way as is done with Linked Open Data. As part of the framework we introduce several novel concepts including Process Object Identifiers, Semantic Function Templates, and TReQL;a SQL-like language for querying networked open process graphs.

关键词： collaborative computing distributed systems process objects semantic composition

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Collision Aware Coloring Algorithm for wireless sensor networks

Collision Aware Coloring Algorithm for wireless sensor netwo...

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9th international Wireless Communications and Mobile computing conference (IWCMC)

作者： Jemili, Imen Ghrab, Dhouha Belghith, Abdelfettah Derbel, Bilel Dhraief, Amine Univ Manouba Manouba Tunisia

ISBN: (纸本)9781467324809

Wireless sensor networks (WSN) have received significant attention over the last few years as they afford a growing number of applications in various fields. At the same time, these networks provide numerous challenges due to their constraints, primarily related to energy scarcity. To overcome energy waste caused by collisions and contention based algorithm, the channel assignment mechanisms, like TDMA 1, seem to be an effective way for scheduling node transmissions. To solve channel assignment problems, graph coloring theory has been exploited in many research works, primarily in order to assure collision-free communications. In this paper, we present a novel distributed coloring algorithm for WSNs taking into account the constraints of a real WSN environment. Our collision aware coloring algorithm assures a 2 hop nodes coloring, in a deterministic time execution, without requiring a neighborhood discovering phase. Performance evaluation results have shown the effectivness of our algorithm in terms of exchanged control packets per node as well as the chromatic number.

关键词： Wireless sensor Networks Graph coloring TDMA scheduling collisions interferences

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DT-WBAN: Disruption Tolerant Wireless Body Area Networks in Healthcare Applications

DT-WBAN: Disruption Tolerant Wireless Body Area Networks in ...

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ieee 9th international conference on Wireless and Mobile computing, Networking and Communications (WiMob)

作者： Buesching, Felix Bottazzi, Maximiliano Poettner, Wolf-Bastian Wolf, Lars Tech Univ Carolo Wilhelmina Braunschweig Inst Operating Syst & Comp Networks IBR D-38106 Braunschweig Germany

ISBN: (纸本)9781457720147

Delay or disruption tolerant protocols can be used in several application areas. In the area of Ambient Assisted Living (AAL) or healthcare, these protocols are well-suited to provide a seamless handover between online and offline monitoring of vital parameters or activity data;this also implies a synchronization of offline gathered data. In this paper, we analyze the expected data rates for several medical sensors and applications and give an insight into how to dimension such disruption tolerant protocols and systems. We also developed a scenario for activity recognition in which we constantly monitor the acceleration data of a wearable sensor node. We implemented and evaluated this scenario with our disruption tolerant protocol for wireless sensor nodes and show its overall functionality, its utility, and its limits.

关键词： Delay Tolerant Networking Disruption Tolerant Networking Wireless Body Area Network Wireless sensor Networks Bundle Protocol

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H-DHAC: A Hybrid Clustering Protocol for Wireless sensor Networks

H-DHAC: A Hybrid Clustering Protocol for Wireless Sensor Net...

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9th international Wireless Communications and Mobile computing conference (IWCMC)

作者： Zhu, Jiang Lung, Chung-Horng Srivastava, Vineet Carleton Univ Dept Syst & Comp Engn Ottawa ON K1S 5B6 Canada

ISBN: (纸本)9781467324809

Clustering is one of the most energy-efficient methods to organize sensor nodes in Wireless sensor Networks (WSNs). To perform clustering, location data are usually used for calculating the distance between sensor nodes. But location data may not always be available due to Global Positioning System (GPS) failures or may not be practical in consideration of cost. Alternatively, Received Signal Strength (RSS) or RSS Indicator (RSSI) is used as the distance estimator, but it has been showed that RSS or RSSI is unreliable in many studies. In order to mitigate these problems, we propose a hybrid clustering protocol - Hybrid distributed Hierarchical Agglomerative Clustering (H-DHAC) - which uses both quantitative location data and binary qualitative connectivity data in clustering for WSNs. Our simulation results show that H-DHAC has a lower percentage of compromise in performance in terms of network life time and total transmitted data compared to similar approaches that use complete location data. However, H-DHAC still outperforms the well known clustering protocols, e.g., LEACH and LEACH-C.

关键词： Wireless sensor networks clustering protocol hierarchical agglomerative clustering

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the optimal transmitting power in randomly deployed heterogeneous Wireless sensor Networks for predetermined average node degree

The optimal transmitting power in randomly deployed heteroge...

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9th international Wireless Communications and Mobile computing conference (IWCMC)

作者： Fersi, Ghofrane Louati, Wassef Ben Jemaa, Maher Univ Sfax Natl Sch Engineers Sfax Dept Comp Sci & Appl Math Res Unit Dev & Control Distributed Applicat ReDCA Sfax 3038 Tunisia

ISBN: (纸本)9781467324809

Radio communications are the most important sources of energy consumption in Wireless sensor Networks (WSN). Optimizing the sensors transmitting power with keeping the required nodes average degree preserves significantly the sensors energy. In this paper, we analyze the optimal transmitting power needed by each sensor to reach a given average node degree in heterogeneous WSN. the problem that we aim solving in this paper is the following: given a set of heterogeneous sensors having various capabilities: weak nodes and strong nodes that are scattered randomly in a field according to a Poisson Point Process with densities lambda(1) and lambda(2) respectively. What is the optimal transmitting power needed by each sensor to ensure k-average degree? We investigate also a related problem: What has the most important effect on weak nodes transmitting power: the quantity of the strong nodes or their quality in terms of energy supply? Our analytical study has been validated with Monte-Carlo simulations.

关键词： Optimal transmitting power nodes average degree heterogenoeous Wireless sensor Networks Poisson distribution

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Linked Services for M2M communication with Enterprise IT systems

Linked Services for M2M communication with Enterprise IT sys...

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9th international Wireless Communications and Mobile computing conference (IWCMC)

作者： thoma, Matthias Antonescu, Alexandru-Florian Mintsi, theano Braun, Torsten SAP Switzerland Inc SAP Res Switzerland Althardstr 80 CH-8105 Regensdorf Switzerland Univ Bern CDS Res Grp CH-3012 Bern Switzerland

ISBN: (纸本)9781467324809

Linking the physical world to the Internet, also known as the Internet of things, has increased available information and services in everyday life and in the Enterprise world. In Enterprise IT an increasing number of communication is done between IT backend systems and small IoT devices, for example sensor networks or RFID readers. this introduces some challenges in terms of complexity and integration. We are working on the integration of IoT devices into Enterprise IT by leveraging SOA techniques and Semantic Web technologies. We present a SOA based integration platform for connecting WSNs and large enterprise business processes. For ensuring interoperability our platform is based on Linked Services. these are thoroughly described, machine-readable, machine-reasonable service descriptions.

关键词： wireless sensor network wsn enterprise it business integration service descriptions linked data

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Consistency Analysis of sensor Data Distribution

Consistency Analysis of Sensor Data Distribution

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9th international Wireless Communications and Mobile computing conference (IWCMC)

作者： Reali, Gianluca Femminella, Mauro Univ Perugia Dipartimento Ingn Elettron & Informaz I-06100 Perugia Italy

ISBN: (纸本)9781467324809

In this paper we analyze the probability of consistency of sensor data distribution systems (SDDS), and determine suitable evaluation models. this problem is typically difficult, since a reliable model taking into account all parameters and processes which affect the system consistency is unavoidably very complex. the simplest candidate approach consists of modeling the state sojourn time, or holding time, as memoryless, and resorting to the well known solutions of Markovian processes. Nevertheless, it may happen that this approach does not fit with some working conditions. In particular, the correct modeling of the SDDS dynamics requires the introduction of a number of parameters, such as the packet transfer time or the packet loss probability, the value of which may determine the suitability of unsuitability of the Markovian model. Candidate alternative solutions include the Erlang phase-type approximation of nearly constant state holding time and a more refined model to account for overlapping events in semi-Markov processes.

关键词： information distribution systems consistency Markov processes Semi-Markov processes Erlang distribution

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