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Study of the effects of pairwise key pre-distribution scheme on the performance of a Topology Control Protocol

Study of the effects of pairwise key pre-distribution scheme...

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7th ieee international conference on distributed computing in sensor systems (dcoss)

作者： Fouad, Mohamed Mostafa M. Dawood, Ahmed Reda Mostafa, Mostafa-Sami M. Arab Acad Sci Technol & Maritime Transport Cairo Egypt Helwan Univ Fac Comp & Informat Cairo Egypt

ISBN: (纸本)9781457705137

Collecting information from open and possibly hostile environments makes the wireless sensor Network (WSN) vulnerable to different types of security threats [1]. To provide secure communications for the WSNs, all messages have to be encrypted with a secret key. Message encryption using the public key cryptosystems [2] in WSN is not applicable due to sensor's constrained resources. A random key pre-distribution scheme and its enhanced versions to deal with pairwise key establishment [3] are of popular approaches that have higher resilience for nodes compromising. On the other hand, the topology control protocols are special forms of WSNs that add some constraints for controlling the construction of wireless networks. This paper aims to identify whether it is applicable to apply a key pre-distribution technique on a topology control protocol and evaluates its performance.

关键词： Wireless sensor Network (WSN) key pre-distribution Topology control protocol

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Energy Efficient Mechanism for Reusing Mobile Nodes in WSN and IoT Networks 17

Energy Efficient Mechanism for Reusing Mobile Nodes in WSN a...

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17th Annual ieee international conference on distributed computing in sensor systems (ieee dcoss)

作者： Temene, Natalie Sergiou, Charalampos Ioannou, Christiana Georgiou, Chryssis Vassiliou, Vasos Univ Cyprus Nicosia Cyprus CYENS Ctr Excellence Nicosia Cyprus

ISBN: (纸本)9781665439299

The operation of Internet of Things (IoT) networks and Wireless sensor Networks (WSN) is often disrupted by a number of problems, such as path disconnections, network segmentations, node faults, security attacks, etc. A method that gains momentum in resolving some of those issues is the use of mobile nodes or nodes deployed by mobile robots. The use of mobile elements essentially increases the resources and the capacity of the network. In this work, we propose a scheme that utilizes mobile nodes for the creation of alternative paths from source to sink by also accounting the energy levels of the nodes as a contributing factor regarding the creation of alternative paths. We offer both a high level description of the concept and also a detailed algorithmic solution. The evaluation of the solution was performed in a case study of resolving congestion in the network. Results have shown that the proposed algorithm can significantly contribute to the alleviation of the problem of congestion in IoT and WSNs and can easily be used for other types of network problems.

关键词： Internet of Things Wireless sensor Networks Mobility Reuse Energy Efficient Mobile Nodes

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A Neighbour Disjoint Multipath Scheme for Fault Tolerant Wireless sensor Networks

A Neighbour Disjoint Multipath Scheme for Fault Tolerant Wir...

引用

9th ieee international conference on distributed computing in sensor systems (dcoss)

作者： Hossain, A. K. M. Mahtab Sreenan, Cormac J. Fedor, Szymon Natl Univ Ireland Univ Coll Cork Dept Comp Sci Cork Ireland UTRC Ireland Ltd Cork Ireland

ISBN: (纸本)9781479946181

In this paper, we propose a "Neighbour Disjoint Multipath (NDM)" scheme that increases resilience against node or link failures in a wireless sensor network (WSN). Our algorithm chooses the shortest path between a sensor and the sink as the primary path, thus ensuring the algorithm is energy efficient under normal circumstances. In selecting the backup paths, we utilise the disjoint property to ensure that i) when there are k paths between source and sink, no set of k node failures can result in total communication break between them, and ii) by having (k - 1) spatially separated backup paths w.r.t. the primary path, the probability of simultaneous failure of the primary and backup paths is reduced in case of localised poor channel quality or node failures. Our algorithm not only ensures the node disjointedness characteristics of the constructed paths, but also tries to minimise the impact of localised node or link failures where a localised portion of the network may be unusable. We analyse the motivation behind our idea clearly, and discuss the algorithm in detail. We also compare the NDM scheme with other common multipath techniques such as node-disjoint and edge-disjoint approaches, and point out its effectiveness through simulation.

关键词： Neighbour disjoint multipath wireless sensor networks node-disjoint multipath edge-disjoint multipath resilience

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Rethinking the Design of LR-WPAN IoT systems with Software-Defined Networking 12

Rethinking the Design of LR-WPAN IoT Systems with Software-D...

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12th ieee Annual international conference on distributed computing in sensor systems (dcoss)

作者： Hakiri, Akram Gokhale, Aniruddha Univ Carthage SYSCOM ENIT FST Bizerte ISSAT Mateur Tunisia CNRS LAAS 7 Ave colonel Roche F-31400 Toulouse France Vanderbilt Univ Dept EECS TISIS Nashville TN USA

ISBN: (纸本)9781509014590

Wireless sensor Networks (WSNs) are becoming a key enabling technology for Internet of Things (IoT) by virtue of providing a highly unstructured cloud of wireless devices. Despite these advances, the current Internet architecture is not able to cater to the high volume of new traffic patterns delivered by these smart sensing devices. In this context, Software Defined Networking (SDN) has emerged as an intelligent solution to deliver dramatic improvements in network programmability, agility and flexibility. However, SDN was originally targeted to wired networks deployed in cloud data centers, and does not lend itself well to WSNs due primarily to its higher footprint and lack of WSN programmable interfaces. To address these challenges, this paper describes an approach to realize software-defined wireless sensor networks by introducing a novel SDN-enabled architecture for WSNs that can be used for diverse IoT systems. Specifically, we propose new control plane services for supporting automatic topology discovery, sensor virtualization as well as managing network policies. Additionally, we introduce new customized SDN-enabled flow tables to meet the requirements of sensor network packets. Finally, we introduce a programmable MAC layer to support fine-grained flow processing.

关键词： SDN OpenFlow IoT Wireless sensor Networks TDMA

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Deployment-aware Energy Model for Operator Placement in sensor Networks

Deployment-aware Energy Model for Operator Placement in Sens...

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7th ieee international conference on distributed computing in sensor systems (dcoss)

作者： Villanueva, Felix J. Daum, Michael Struebe, Moritz Lopez, J. C. Kapitza, Ruediger Dressler, Falko Univ Castilla La Mancha Dept Informat Technol & Syst E-13071 Ciudad Real Spain Univ Erlangen Nurnberg Dept Comp Sci D-91054 Erlangen Germany Univ Innsbruck Inst Comp Sci A-6020 Innsbruck Austria

ISBN: (纸本)9781457705137

Query processing has become one of the main paradigms to approach information processing in Wireless sensor Networks (WSNs). We study and identify relevant factors involved in in-network query deployment in WSNs. As a key outcome, we developed a deployment aware cost estimation model for distributing operators to nodes within the network using the network lifetime as a key metric. In contrast to related approaches, we include the state of each node in the cost model. This provides means for an automatic load balancing mechanism that allows us to insert a higher number of queries compared to other approaches, thus, significantly extending the network lifetime.(1)

关键词： Batteries Estimation Load modeling Mathematical model Network topology Topology WSN Wireless sensor networks automatic load balancing cost model deployment aware cost estimation model deployment-aware energy model distributing operator in-network query de

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Travel Path Planning for UAV as a Data Collector for a Sparse WSN 17

Travel Path Planning for UAV as a Data Collector for a Spars...

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17th Annual ieee international conference on distributed computing in sensor systems (ieee dcoss)

作者： Karegar, Pejman A. Al-Anbuky, Adnan Auckland Univ Technol Elect & Elect Engn Auckland New Zealand

ISBN: (纸本)9781665439299

Recent advances in Unmanned Aerial Vehicle (UAV) technologies make their use as data collection sinks feasible for practical applications of Wireless sensor Networks (WSN). Using UAVs as mobile data collection agents can improve network performance by reducing the horizontal radio pollution in animal sanctuaries or conservations, for example. This may also positively improve energy consumption of both UAV and sensor nodes (SN) on the ground. Designing an efficient UAV trajectory which has the capability of data gathering from randomly distributed large number of SNs has been one of the challenges for the UAV-aided WSN data gathering solutions. This paper aims at conceptualizing a solution for UAV path planning in gathering data of distributed wireless sensors over a large space. Both efficient flight path and dynamic orchestration of sensor grouping are considered as two key factors for improving the flight performance in data collection. Herein, a classical Travel Salesman Problem (TSP) solution supported by the ground group offerings are used for manipulating a simplified centroid-based trajectory and turning it into a more relaxed fuzzy route. This in turn would offer a ground for smoother and more efficient flight paths. While preliminary modelling of the approach offers encouraging results, the demand for fluidity in dynamically re-orchestrating the ground sensor networks must be carefully considered. Successful implementation of this concept would support a wide range of applications such as the farming and conservation used cases.

关键词： Unmanned Aerial Vehicle (UAV) Wireless sensor Networks (WSN) Fuzzy route

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Hole Approximation-Dissemination Scheme for Bounded-Stretch Routing in sensor Networks

Hole Approximation-Dissemination Scheme for Bounded-Stretch ...

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9th ieee international conference on distributed computing in sensor systems (dcoss)

作者： Nguyen, Phi-Le Nguyen, Khanh-Van Ha Noi Univ Sci & Technol Hanoi Vietnam

ISBN: (纸本)9781479946181

The routing stretch in a sensor network with a large hole can be controlled if the network nodes have certain information about the hole location and shape, possibly by using some mechanism for hole boundary approximation and information dissemination. Here, the nodes on the hole boundary cooperate to approximately compute the hole shape, and then a compact description info can be created and disseminated to the surrounding area. However, a finer approximation (for smaller stretch) leads to a higher cost of dissemination, which could unlikely be affordable for the sensors. We provide an insightful analysis to this fundamental trade-off of the hole approximation problem, using a geometric model. Based on this we discuss an efficient approximation-dissemination scheme using a natural, heuristic approximation technique. For reasonable conditions (network is dense enough apart from the hole), we assure that the routing stretch is under a predefined threshold. alpha > 1 while the dissemination cost is also under tight control. Our initial experiment results also confirm that our approach is significantly more efficient and economical, compared to existing proposals.

关键词： Energy Saving Routing hole Routing protocol Routing stretch sensor network sensor networks Routing protocols Holes Network routing energy saving Energy conservation Stretch approximation Dissemination Information Dissemination network node

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Analysis and Comparison of Concurrency Control Protocols for Wireless sensor Networks

Analysis and Comparison of Concurrency Control Protocols for...

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7th ieee international conference on distributed computing in sensor systems (dcoss)

作者： Reinke, Christoph Hoeller, Nils Werner, Stefan Groppe, Sven Linnemann, Volker Univ Lubeck Inst Informat Syst D-23538 Lubeck Germany

ISBN: (纸本)9781457705137

In recent years the sensor network databases TinyDB and StonesDB have emerged. While both provide a useful abstraction layer for querying data, live data in the case of TinyDB and historic data in the case of StonesDB, neither of these approaches provide transaction processing capabilities. Transaction processing capabilities are needed to guarantee the consistency, for instance, in the case of data updates at runtime or the sophisticated requirements of emerging wireless sensor and actor networks. In this paper we analyze traditional concurrency control approaches and compare them with regard to their usability in wireless sensor networks. Therefore, we implemented the traditional Strict Two Phase Locking (S2PL), Timestamp Ordering (TO) and Forward Oriented Optimistic Concurrency Control (FOCC) by validation. We show in experiments with the network simulator Shawn, that locking exhibits better commit rates and lower costs under a variety of conditions compared to timestamp ordering and validation. We also implemented locking for the sensor node platform Pacemate to show the feasibility of our approach. We believe that efficient concurrency control can broaden the application spectrum of sensor network databases and is also vital for the emerging wireless sensor and actor networks.

关键词： Concurrency Control Isolation Wireless sensor Networks

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A Novel wake-up Receiver with Addressing Capability for Wireless sensor Nodes

A Novel wake-up Receiver with Addressing Capability for Wire...

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9th ieee international conference on distributed computing in sensor systems (dcoss)

作者： Petrioli, Chiara Spenza, Dora Tommasino, Pasquale Trifiletti, Alessandro Univ Roma La Sapienza Comp Sci Deparment Rome Italy Univ Roma La Sapienza Dept Informat Elect & Telecommun Engn Rome Italy

ISBN: (纸本)9781479946181

Emerging low-power radio triggering techniques for wireless motes are a promising approach to prolong the lifetime of Wireless sensor Networks (WSNs). By allowing nodes to activate their main transceiver only when data need to be transmitted or received, wake-up-enabled solutions virtually eliminate the need for idle listening, thus drastically reducing the energy toll of communication. In this paper we describe the design of a novel wake-up receiver architecture based on an innovative passband filter bank with high selectivity capability. The proposed concept, demonstrated by a prototype implementation, combines both frequency-domain and time-domain addressing space to allow selective addressing of nodes. To take advantage of the functionalities of the proposed receiver, as well as of energy-harvesting capabilities modern sensor nodes are equipped with, we present a novel wake-up-enabled harvesting-aware communication stack that supports both interest dissemination and convergecasting primitives. This stack builds on the ability of the proposed WuR to support dynamic address assignment, which is exploited to optimize system performance. Comparison against traditional WSN protocols shows that the proposed concept allows to optimize performance tradeoffs with respect to existing low-power communication stacks.

关键词： Wake-up radio communication stack energy harvesting wireless sensor networks Wireless sensor networks energy harvesting Receivers address assignment Ganglia Addressing Communication Research wireless

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(POSTER) Navigating the Unknown: Anomaly Detection in sensor Nodes Based on Event Traces 20

(POSTER) Navigating the Unknown: Anomaly Detection in Sensor...

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20th Annual international conference on distributed computing in Smart sensor systems and the Internet of Things (dcoss-IoT)

作者： Band, Saurabh Foerster, Anna Univ Bremen Dept Sustainable Commun Networks Bremen Germany

ISBN: (纸本)9798350369458;9798350369441

In wireless sensor networks, post-deployment issues persist despite extensive testing, primarily due to unpredictable environmental factors and limited debugging tools for resource-constrained end nodes. This challenge is particularly pronounced in remote applications such as extraterrestrial habitats. To address this, we propose a runtime anomaly detection and diagnosis method for resource-constrained sensor nodes. A key advantage of our approach is its ability to learn expected behavior from historical data, eliminating the need for explicit behavior modeling, unlike other runtime fault detection methods. Our method comprises three main components: logging, detection, and diagnosis. We log event traces on the sensor nodes, enabling activity tracking down to the variable level. For anomaly detection, we explore various methods, including state transition, execution interval analysis, and clustering. Subsequently, diagnosis is performed using the logged event traces.

关键词： fault detection fault diagnosis IoT reliability machine learning pattern recognition anomaly detection

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