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What is Beacon

Chapter 9
Handbook of Research on Advanced Wireless Sensor Network Applications, Protocols, and Architectures
A beacon is a packet sent by PAN coordinator to inform other devices its presence and readiness.
Published in Chapter:
Performance Evaluation of Quality of Service in IEEE 802.15.4-Based Wireless Sensor Networks
Sanatan Mohanty (Silicon Institute of Technology, India) and Sarat Kumar Patra (NIT Rourkela, India)
Copyright: © 2017 |Pages: 36
DOI: 10.4018/978-1-5225-0486-3.ch009
Abstract
Wireless Sensor Network (WSN) consists of many tiny, autonomous sensor nodes capable of sensing, computation and communication. The main objective of IEEE 802.15.4 based WSN standard is to provide low cost, low power and short range communication. Providing QoS in WSN is a challenging task due to its severe resource constraints in terms of energy, network bandwidth, memory, and CPU. In this chapter, Quality of Service (QoS) performance evaluation has been carried out for IEEE 802.15.4 networks based WSN star and mesh topology using routing protocols like AODV, DSR and DYMO in QualNet 4.5 simulator. Performance evaluations metrics like Packet Delivery Ratio (PDR), throughput, average end to end delay, energy per goodput bit, network lifetime of battery model and total energy consumption which includes transmission, reception, idle and sleep mode were considered for both the topology. From the simulation studies and analysis, it can be seen that on an average DSR and DYMO performs better than AODV for different traffic load rates.
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Chapter 15
Geometry, Shape, and Typological Adaptation of Lighthouses Within the Italian Environment
A signalling or guiding device part of a network of aids, such as a lighthouse or a small freestanding one. They are used at the harbour entry or in presence of harbour works, danger for safety of navigation and point on the coasts with secondary interest. They are designed with different standard colours, white, red, green, or yellow and/or texture patterns, depending on the light’s function.
Published in Chapter: Geometry, Shape, and Typological Adaptation of Lighthouses Within the Italian Environment; From: Handbook of Research on Form and Morphogenesis in Modern Architectural Contexts
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Chapter 10
Analysis of Bluetooth Versions (4.0, 4.2, 5, 5.1, and 5.2) for IoT Applications
It is an intentionally noticeable object to attract attention to a specific location.
Published in Chapter: Analysis of Bluetooth Versions (4.0, 4.2, 5, 5.1, and 5.2) for IoT Applications; From: Implementing Data Analytics and Architectures for Next Generation Wireless Communications
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Chapter 22
A Framework for RF-Visual SLAM for Cooperative Multi-Agent System
A landmark that will be used by the VSLAM for localization and mapping. The beacon is also used as a checkpoint.
Published in Chapter: A Framework for RF-Visual SLAM for Cooperative Multi-Agent System; From: Handbook of Research on Advancements in Robotics and Mechatronics
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Chapter 18
Data Analytics in Industry 4.0: In the Perspective of Big Data
A technology that assists indoor location based system using Bluetooth Low Energy.
Published in Chapter: Data Analytics in Industry 4.0: In the Perspective of Big Data; From: Handbook of Research on Applied Optimization Methodologies in Manufacturing Systems
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Chapter 679
Ubiquitous Computing, Contactless Points, and Distributed Stores
Small and low cost transmitting device, which do not require a limited distance between the devices to set the transaction. This device might share data via Bluetooth connections, such as specific deals or product information, while tracking consumers location/route within the store (in-store location).
Published in Chapter: Ubiquitous Computing, Contactless Points, and Distributed Stores; From: Encyclopedia of Information Science and Technology, Fourth Edition
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Chapter 2
A Novel Approach to Segmentation Using Customer Locations Data and Intelligent Techniques
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