Distributed Optical Sensor Network with Self-Monitoring Mechanism for Accurate Indoor Location and Coordinate Measurement

In order to provide accurate and robust indoor location service for large-scale mechanical manufacturing, a sensor network consisting of laser transmitters and optical receivers is proposed in a distributed framework. Geometric model described by rotating plane equations is established, re-ceiver’s location algorithm is achieved by utilizing intersection constraint of multiple laser planes form different transmitters. A self-monitoring mechanism for sensor network is also presented by introducing redundant fixed receivers as reference. Experiment has shown that the measuring accu-racy of a minimal sensor network is better than 0.2mm and self-monitoring mechanism can effectively guarantee the accuracy of the measurement results.

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Measurement and Analysis on the Packet Delivery Performance in a Large-Scale Sensor Network

IEEE/ACM Transactions on Networking ◽

10.1109/tnet.2013.2288646 ◽

2014 ◽

Vol 22 (6) ◽

pp. 1952-1963 ◽

Cited By ~ 23

Author(s):

Wei Dong ◽

Yunhao Liu ◽

Yuan He ◽

Tong Zhu ◽

Chun Chen

Keyword(s):

Sensor Network ◽

Large Scale ◽

Packet Delivery ◽

Delivery Performance ◽

Measurement And Analysis

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Study on the large-scale novel fiber sensor network based on cloud computing

2017 16th International Conference on Optical Communications and Networks (ICOCN) ◽

10.1109/icocn.2017.8121295 ◽

2017 ◽

Cited By ~ 1

Author(s):

Guoyu Li ◽

Yan Li ◽

Kang Yang ◽

Zhihui Wang

Keyword(s):

Cloud Computing ◽

Sensor Network ◽

Large Scale ◽

Fiber Sensor

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Modeling the Message Alternative Routes in a Large Scale Wireless Sensor Network

2021 1st Babylon International Conference on Information Technology and Science (BICITS) ◽

10.1109/bicits51482.2021.9509885 ◽

2021 ◽

Author(s):

Sundos F. Jabbar ◽

Saad T. Hasson

Keyword(s):

Wireless Sensor Network ◽

Sensor Network ◽

Large Scale ◽

Wireless Sensor ◽

Alternative Routes

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A Scalable Scheme for Preventing Feedback Implosion in a Large-Scale Multi-Tier Sensor Network

2010 7th Annual IEEE Communications Society Conference on Sensor, Mesh and Ad Hoc Communications and Networks (SECON) ◽

10.1109/secon.2010.5508272 ◽

2010 ◽

Author(s):

Reuven Cohen ◽

Alex Landau

Keyword(s):

Sensor Network ◽

Large Scale

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A Distributed Collision-Free Data Aggregation Scheme for wireless sensor network

International Journal of Distributed Sensor Networks ◽

10.1177/1550147718795847 ◽

2018 ◽

Vol 14 (8) ◽

pp. 155014771879584 ◽

Cited By ~ 1

Author(s):

Danyang Qin ◽

Yan Zhang ◽

Jingya Ma ◽

Ping Ji ◽

Pan Feng

Keyword(s):

Wireless Sensor Network ◽

Sensor Network ◽

Data Aggregation ◽

Large Scale ◽

Sensor Nodes ◽

Wireless Sensor ◽

Network Delay ◽

Free Data ◽

Aggregation Scheme ◽

Aggregation Technology

Due to the advantages of large-scale, data-centric and wide application, wireless sensor networks have been widely used in nowadays society. From the physical layer to the application layer, the multiply increasing information makes the data aggregation technology particularly important for wireless sensor network. Data aggregation technology can extract useful information from the network and reduce the network load, but will increase the network delay. The non-exchangeable feature of the battery of sensor nodes makes the researches on the battery power saving and lifetime extension be carried out extensively. Aiming at the delay problem caused by sleeping mechanism used for energy saving, a Distributed Collision-Free Data Aggregation Scheme is proposed in this article to make the network aggregate data without conflicts during the working states periodically changing so as to save the limited energy and reduce the network delay at the same time. Simulation results verify the better aggregating performance of Distributed Collision-Free Data Aggregation Scheme than other traditional data aggregation mechanisms.

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A Wireless Sensor Network Model for E-Metering and Fault Identification in Smart Water Distribution Systems

International Journal of Innovative Technology and Exploring Engineering - Special Issue ◽

10.35940/ijitee.j1039.08810s19 ◽

2019 ◽

Vol 8 (10S) ◽

pp. 227-232

Keyword(s):

Wireless Sensor Network ◽

Real Time ◽

Sensor Network ◽

Network Model ◽

Distribution System ◽

Water Distribution ◽

Large Scale ◽

Water Distribution System ◽

Wireless Sensor ◽

Smart Water

Water distribution system is a network that supplies water to all the consumers through different means. Proper means of providing water to houses without compromising in quantity and quality is always a challenge. As it is a huge network keeping track of the utilization is difficult for the utility. Hence through this project we come up with a solution to solve this issue. Current technologies like Low Power Wide Area Networks, LoRa and sensor deployment techniques have been in research and were also tested in few rural areas but issues due to hardware deployment and large scale real time implementation was a challenge hence through this system we aim to create and simulate a real time scenario to test a sensor network model that could be implemented in large scale further. This project aims in building a wireless sensor network model for a smart water distribution system. In this system there is bidirectional communication between the consumer and the utility. Each house has a meter through which the amount of water consumed is sent to the utility board. The data has two fields containing the house ID and the data (water consumed); it is being sent to the data collection unit (DCU) which in-turn sends it to the central server so that the consumption is monitored in real time. All this is simulated using NETSIM and MATLAB.

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CENTIMETRE-ACCURACY IN FORESTS AND URBAN CANYONS – COMBINING A HIGH-PERFORMANCE IMAGE-BASED MOBILE MAPPING BACKPACK WITH NEW GEOREFERENCING METHODS

ISPRS Annals of Photogrammetry Remote Sensing and Spatial Information Sciences ◽

10.5194/isprs-annals-v-1-2020-333-2020 ◽

2020 ◽

Vol V-1-2020 ◽

pp. 333-341

Author(s):

S. Blaser ◽

J. Meyer ◽

S. Nebiker ◽

L. Fricker ◽

D. Weber

Keyword(s):

Web Services ◽

High Performance ◽

Large Scale ◽

Superior Performance ◽

City Centre ◽

Visual Localization ◽

Mobile Mapping ◽

Coordinate Measurement ◽

Collaborative Processes ◽

Mobile Mapping System

Abstract. Advances in digitalization technologies lead to rapid and massive changes in infrastructure management. New collaborative processes and workflows require detailed, accurate and up-to-date 3D geodata. Image-based web services with 3D measurement functionality, for example, transfer dangerous and costly inspection and measurement tasks from the field to the office workplace. In this contribution, we introduced an image-based backpack mobile mapping system and new georeferencing methods for capture previously inaccessible outdoor locations. We carried out large-scale performance investigations at two different test sites located in a city centre and in a forest area. We compared the performance of direct, SLAM-based and image-based georeferencing under demanding real-world conditions. Both test sites include areas with restricted GNSS reception, poor illumination, and uniform or ambiguous geometry, which create major challenges for reliable and accurate georeferencing. In our comparison of georeferencing methods, image-based georeferencing improved the median precision of coordinate measurement over direct georeferencing by a factor of 10–15 to 3 mm. Image-based georeferencing also showed a superior performance in terms of absolute accuracies with results in the range from 4.3 cm to 13.2 cm. Our investigations showed a great potential for complementing 3D image-based geospatial web-services of cities as well as for creating such web services for forest applications. In addition, such accurately georeferenced 3D imagery has an enormous potential for future visual localization and augmented reality applications.

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