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检索条件"任意字段=6th IEEE International Conference on Distributed Computing in Sensor Systems"

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Network Lifetime Maximization in Delay-Tolerant sensor Networks with a Mobile Sink

Network Lifetime Maximization in Delay-Tolerant Sensor Netwo...

引用

international conference on distributed computing in sensor systems (DCOSS)

作者： Zichuan Xu Weifa Liang Yinlong Xu Research School of Computer Science Australian National University Canberra ACT Australia School of Computer Science and Technology University of Science and Technology Hefei Anhui China

In this paper we investigate the network lifetime maximization problem in a delay-tolerant wireless sensor network with a mobile sink by exploiting a nontrivial tradeoff between the network lifetime and the data delivery delay. We formulate the problem as a joint optimization problem that consists of finding a trajectory for the mobile sink and designing an energy-efficient routing protocol to route sensing data to the sink, subject to the bounded delay on data delivery and the given potential sink location space. Due to NP-hardness of the problem, we then propose a novel optimization framework, which not only prolongs the network lifetime but also improves the other performance metrics including the network scalability, robustness, and the average delivery delay. We finally conduct extensive experiments by simulations to evaluate the performance of the proposed algorithm against other heuristics. the experimental results demonstrate that the proposed algorithm outperforms the others significantly in terms of network lifetime prolongation.

关键词： Mobile communication Trajectory Delay Vegetation Energy consumption Mobile computing Routing

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Detecting human movement by differential air pressure sensing in HVAC system ductwork: An exploration in infrastructure mediated sensing

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6th international conference on Pervasive computing

作者： Patel, Shwetak N. Reynolds, Matthew S. Abowd, Gregory D. Coll Comp Sch Interact Comp 85 5th St NW Atlanta GA 30332 USA Duke Univ Dept Elect & Comp Engn Durham NC USA Georgia Inst Technol GVU Ctr Atlanta GA 30332 USA

ISBN: (纸本)9783540795759

We have developed an approach for whole-house gross movement and room transition detection through sensing at only one point in the home. We consider this system to be one member of an important new class of human activity monitoring approaches based on what we call infrastructure mediated sensing, or "home bus snooping." Our solution leverages the existing ductwork infrastructure of central heating, ventilation, and air conditioning (HVAC) systems found in many homes. Disruptions in airflow, caused by human inter-room movement, result in static pressure changes in the HVAC air handler unit. this is particularly apparent for room-to-room transitions and door open/close events involving full or partial blockage of doorways and thresholds. We detect and record this pressure variation from sensors mounted on the air filter and classify where certain movement events are occurring in the house, such as an adult walking through a particular doorway or the opening and closing of a particular door. In contrast to more complex distributed sensing approaches for motion detection in the home, our method requires the installation of only a single sensing unit (i.e., an instrumented air filter) connected to an embedded or personal computer that performs the classification function. Preliminary results show we can classify unique transition events with up to 75-80% accuracy.

关键词： Air conditioning

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Wake-up Receiver for LoRa-Based Wireless sensor Networks 6th

Wake-up Receiver for LoRa-Based Wireless Sensor Networks

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6th international conference on Advanced Intelligent systems and Informatics, AISI 2020

作者： Abdel-Aal, Amal M. Aziz El-Banna, Ahmad A. Abdel-Kader, Hala M. Electrical Engineering Department Faculty of Engineering at Shoubra Benha University Cairo Egypt

ISBN: (纸本)9783030586683

Wireless sensors Networks (WSN) are one of the widespread but challenging wireless technologies. Two typical challenges in WSN, i.e., energy consumption and coverage area, are considered recently to enhance the performance of WSN. In this paper, we present a combination of two technologies towards an efficient WSN;we are using Wake-up Receiver (WUR) technology which reduces energy consumption along with Long-Rang Wide Area Network (LoRaWAN) technology which increases the coverage area of the network. the proposed network design is based on two different transmission scenarios between the network nodes that are equipped with WUR and LoRa chip and are connected using star topology to reduce the probability of collisions. Moreover, the paper studies and tests the network using the OMNeT program to verify that the proposed network design achieves better results for energy consumption than traditional LoRa plus achieving a lower collisions network with distinct packet delivery and negligible delay. © 2021, the Editor(s) (if applicable) and the Author(s), under exclusive license to Springer Nature Switzerland AG.

关键词： Wireless sensor networks

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A smartphone inertial sensor based recursive zero-velocity detection approach 1

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6th international conference on Frontier computing, FC 2017

作者： Wang, Yizhen Meng, Xiangyi Xu, Rui Chen, Xuantong Zheng, Lingxiang Tang, Biyu Peng, Ao Yuan, Lulu Yang, Qi Shi, Haibin Ruan, Xiaoyang Zheng, Huiru School of Information Science and Engineering Xiamen University Xiamen China School of Computing and Mathematics University of Ulster Newtownabbey United Kingdom

ISBN: (数字)9789811073984

ISBN: (纸本)9789811073977

A reliable and robust zero velocity points (ZVPs) detection approach is important to restrain the accumulative error in the pedestrian inertial navigation systems. A novel recursive zero-velocity detection (RZVD) approach for smartphone based pedestrian dead reckoning systems is proposed in this paper. It combined the adaptive threshold and context information of the vertical velocity to verify the correctness of ZVP detection and fixed the incorrect ZVPs recursively. the test results show that the performance of the proposed approach is better than original method. It indicates that the proposed approach is helpful to eliminate the serious estimation error caused by false detection of ZVPs. © 2018, Springer Nature Singapore Pte Ltd.

关键词： Smartphones

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Energy harvesting sensor node toward zero energy in-network sensor data processing 9

Energy harvesting sensor node toward zero energy in-network ...

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9th EAI international conference on Mobile computing, Applications, and Services, MobiCASE 2018

作者： Morita, Tatsuya Fujiwara, Masashi Arakawa, Yutaka Suwa, Hirohiko Yasumoto, Keiichi Graduate School of Information Science Nara Institute of Science and Technology IkomaNara630-0192 Japan

ISBN: (纸本)9783319907390

In this paper, we aiming to realize near-zero energy distributed IoT systems that do not need a battery, we design and implement a novel energy harvesting (EH) sensor node. the proposed EH sensor node consists of a solar panel, an energy charging/discharging circuit and a SenStick, an existing sensor node including 8 different types of sensors and BLE communication interface. We demonstrate that the proposed EH sensor node works in an indoor environment by harvesting power from indoor lights, periodically measuring sensor data (temperature, humidity, atmospheric pressure, UV, and illuminance) and by sending the data by BLE communication. the received information is visualized through a web application running on a PC. © ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering 2018.

关键词： Energy harvesting

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A Camera-Based Remote sensor for Physical therapy in Parkinson’s Disease 6th

A Camera-Based Remote Sensor for Physical Therapy in Parkins...

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6th EAI international conference on Computer Science and Engineering on Digital Transformation in Organizations: New Challenges, COMPSE 2022

作者： Rojas-Arce, Jorge L. Marmolejo-Saucedo, José Antonio Jimenez-Angeles, Luis Department of Biomedical Systems Engineering Faculty Universidad Nacional Auonoma de Mexico Mexico City Mexico Facultad de Ingenieria Universidad Nacional Autonoma de Mexico Ciudad de Mexico Mexico

ISBN: (纸本)9783031347498

the present chapter shows a camera-based remote sensor for monitoring postural disorders. In recent years, several systems have been developed to capture human motion in real time using common RGB cameras. We analyze the performance of the sensor for the detection of basic body parts under a different exercise routine clinically proposed for Parkinson’s disease patients. In this study, we evaluate the ability of the OpenPose algorithm to detect specific keypoints of anatomical landmarks and estimate rotation, rate, and amplitude for head, shoulders, back, and pelvis. Based on our findings, we can say that OpenPose is a sufficiently robust algorithm that is capable of detecting slight motion parameters of a specific rehabilitation therapy, which could facilitate their use in a home environment specially in follow-up and management of the motor rehabilitation therapy for Parkinson’s disease. © the Author(s), under exclusive license to Springer Nature Switzerland AG 2024.

关键词： Cameras

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Exact distributed Voronoi Cell Computation in sensor Networks

Exact Distributed Voronoi Cell Computation in Sensor Network...

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international Symposium on Information Processing in sensor Networks (IPSN)

作者： Boulat A. Bash Peter J. Desnoyers Department of Computer Science University of Massachusetts Amherst Amherst MA USA

distributed computation of Voronoi cells in sensor networks, i.e. computing the locus of points in a sensor field closest to a given sensor, is a key building block that supports a number of applications in both the data and control planes. For example, knowledge of Voronoi cells facilitates efficient methods for computing the piece-wise approximation of a field, whereby each sensor acts as a representative for the set of points in its Voronoi cell; awareness of Voronoi boundaries and Voronoi neighbors is also useful in load balancing and energy conservation. the methods currently advocated for distributed Voronoi computation in sensor networks are heuristic approximations that can introduce significant inaccuracies that are difficult to rigorously quantify; we demonstrate that these methods may err by a factor of 5 or more in some circumstances. We present and prove an exact method which eliminates these inaccuracies, at the cost of increased messaging overhead, but without necessitating contact with the entire network. To our knowledge, this is the first distributed algorithm that computes accurate Voronoi cells without requiring all-to-all communication. We implement it as a TinyOS module and quantitatively analyze its performance.

关键词： Computer networks distributed computing sensor systems and applications sensor arrays distributed algorithms sensor phenomena and characterization Data structures Temperature sensors Computer science Application software

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PROSE: Scalable Routing in MANETs Using Prefix Labels and distributed Hashing

PROSE: Scalable Routing in MANETs Using Prefix Labels and Di...

引用

ieee Communications Society conference on sensor and Ad Hoc Communications and Networks (SECON)

作者： Dhananjay Sampath J. J. Garcia-Luna-Aceves Computer Engineering Department University of California Santa Cruz Santa Cruz CA USA Palo Alto Research Center Inc.orporated Palo Alto CA USA

We introduce the prefix routing over set elements (PROSE) protocol for scalable routing in MANETs based on the combined use of prefix labels and distributed hashing. In PROSE, nodes use neighbor-to-neighbor signaling to label themselves with prefix labels that provide implicit routing from any node to any network destination. Nodes implement a distributed hash table to store the mappings between node identifiers (e.g., a MAC or IP address) and their prefix labels. Destinations publish their existence and sources subscribe to their intended destinations. We show that PROSE provides correct routing based on prefix labels and that its signaling overhead grows sub-linearly with the network size. We present simulation and testbed results that illustrate the benefits of PROSE compared to traditional MANET routing protocols.

关键词： Routing protocols Mobile ad hoc networks Peer to peer computing USA Councils Testing Communications Society distributed computing Hardware Media Access Protocol Laboratories

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Exploring Spectrum Sharing Algorithms for 6G Cellular Communication Networks 15

Exploring Spectrum Sharing Algorithms for 6G Cellular Commun...

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15th international conference on computing Communication and Networking Technologies, ICCCNT 2024

作者： Pattanaik, Ashutosh Shweta Ahmed, Zahid School of Engineering and Technology Department of Mechanical Engineering Karnataka Bangalore India Arka Jain University Department of Pharmacy Jharkhand Jamshedpur India Vivekananda Global University Department of Computer Science & Application Jaipur India

ISBN: (纸本)9798350370249

6G cell verbal exchange networks might be the successor to 5G networks, and their success relies heavily upon optimization measures that are enabled through the exploration of spectrum-sharing algorithms (SSAs). SSAs are hard and fast techniques implemented to maximize machine assets, performance metrics, and operational performance. that is performed by way of lowering interference, permitting spectrum contextualization, and improving the sharing of underutilized and congested spectrum. For 6G verbal exchange networks, a heightened attention on advanced database storage, distributed computing, and interference avoidance techniques must be taken a good way to ensure the maximum green use of be had spectrum. this paper explores a spread of SSAs for 6G mobile communication networks, consisting of dynamic spectrum get admission to, non-orthogonal more than one get right of entry to, and direct tool-enabled opportunistic spectrum usage. We evaluate current research that has been implemented to the improvement of SSAs and offer insight into future demanding situations and programs inside the subject. Furthermore, we talk about the significance of massive records and systems getting to know in the creation of SSA algorithms, providing capability enhancements to the ever-changing 6G communique networks. Standard, the usage of SSAs in 6G verbal exchange networks can make certain the most effective and green usage of be had spectrum, at the same time as additionally imparting extraordinary stages of aid flexibility © 2024 ieee.

关键词： Cellular Contextualization Machine Learning Non-Orthogonal Spectrum-Sharing Successor

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Learning in Market-based Resource Allocation

Learning in Market-based Resource Allocation

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international conference on Computer and Information Science (ACIS)

作者： Eduardo Rodrigues Gomes Ryszard Kowalczyk Faculty of Information and Communication Technology Swinburne University of Technology Hawthorne VIC USA

Market-based mechanisms offer a promising approach for distributed allocation of resources without centralized control. One of those mechanisms is the iterative price adjustment (IPA). Under standard assumptions, the IPA uses demand functions that do not allow the agents to have preferences over some attributes of the allocation, e.g. the price of the resources. To address this limitation, we study the case where the agents' preferences are described by utility functions. In such a scenario, however, there is no unique mapping between the utility functions and a demand function. If made "by hand", this task can be very subjective and time consuming. thus, we propose and investigate the use of Reinforcement Learning to let the agents learn the best demand functions given their utility functions. the approach is evaluated in two scenarios.

关键词： Resource management Centralized control Learning distributed computing Communications technology Australia Grid computing Large-scale systems Computer architecture Iterative methods

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