scholarly journals An IoT-oriented Fast Prototyping Platform for BLE-based Star Topology Networks

2019 ◽  
Vol 15 (2) ◽  
Author(s):  
Lorenzo Invidia ◽  
Silvio Lucio Oliva ◽  
Andrea Palmieri ◽  
Luigi Patrono ◽  
Piercosimo Rametta
Keyword(s):  
Low Cost ◽  
End Users ◽  
Personal Area Networks ◽  
Use Case ◽  
Wireless Personal Area Networks ◽  
Development Environment ◽  
Star Topology ◽  
Wide Range ◽  
Open Development ◽  
Application Fields

The Internet of Things (IoT) is characterized by many technologies, standards, tools and devices for a wide range of application fields and often, for the end-users (makers and developers), is hard to orientate in an equally wide range of offers from various manufacturers. In recent years, the Bluetooth Low Energy (BLE) communication protocol is achieving a large portion of the market, thanks to its low-power and low-cost orientation and its pervasiveness in mobile devices, like smartphones. For these reasons, BLE is increasingly used in IoT-oriented Wireless Personal Area Networks (WPAN), where a small set of devices arranged in star topology network and connected to a smartphone and a Wi-Fi gateway, can cover a large number of monitoring and controlling use case scenarios. This work presents the ST’s STM32 Open Development Environment (ODE), a complete suite of hardware and software tools representing a reference point for end-users willing to create BLE-based star topology networks for a wide range of applications. Through a simple use case in a smart home context, it is shown how all provided tools can be used to fast prototype applications addressing all user requirements.

Green Communication Infrastructure (GCI) Serving Different Smart City Applications

2021 ◽  
Vol 01 ◽  
Author(s):  
Qutaiba I. Ali ◽  
Issam Jafar
Keyword(s):  
Rural Areas ◽  
Smart City ◽  
Low Cost ◽  
System Level ◽  
Green Communication ◽  
Communication Infrastructure ◽  
Wide Range ◽  
The World ◽  
Self Powered ◽  
Application Fields

Aims: The aim of the Green Communication Infrastructure ‎‎(GCI) project is to understand the idea of a self ‎‎"sustainably" controlled correspondence foundation ‎fitting for smart city application fields. ‎ Background: This paper shows the endeavors to understand the idea of a ‎self "sustainably" energized communication foundation ‎fitting for smart city application fields. The recommended ‎Green Communication Infrastructure (CGI) comprises ‎different kinds of remote settled (or even versatile) hubs ‎performing diverse activities as per the application ‎requests. An imperative class of these hubs is the Wireless ‎Solar Router (WSR). Objective: The work in this venture was begun in 2009 with the aim ‎of demonstrating the essential advances that must be taken to ‎accomplish such framework and to proclaim the value of ‎embracing natural vitality assets in building mission ‎basic frameworks. Alternate destinations of this venture ‎are introducing a sensibly cost, solid, verified, and simple ‎to introduce correspondence foundation.‎ Method: The arrangement to actualize the GCI was accomplished ‎subsequent to passing two structure levels: device level and ‎system level. Result: The suggested system is highly applicable and serves a wide ‎range of smart city application fields and hence many ‎people and organizations can utilize this system. ‎ Conclusion: The presence of a reliable, secured, low cost, easy to install ‎and self-powered communication infrastructure is ‎mandatory in our nowadays. The communities in ‎developing countries or in rural areas need such a system ‎highly in order to communicate with other people in the ‎world which will affect positively their social and ‎economic situation.

Multipath Extension of the ZigBee Tree Routing in Cluster-Tree Wireless Sensor Networks

2012 ◽  
Vol 4 (2) ◽  
pp. 30-48 ◽  
Author(s):  
Zahia Bidai ◽  
Moufida Maimour ◽  
Hafid Haffaf
Keyword(s):  
Sensor Networks ◽  
Low Cost ◽  
Multipath Routing ◽  
Data Rate ◽  
Delivery Ratio ◽  
Personal Area Networks ◽  
Wireless Multimedia ◽  
Wireless Personal Area Networks ◽  
Cluster Tree ◽  
Tree Routing

Wireless Multimedia Sensor Networks (WMSNs) are one of the most challenging applications of WSN. They require large amounts of data to be transmitted with high reporting rates which consume an order of magnitude of resources, such as storage, computation, bandwidth, and energy. On the other hand, the ZigBee standard was originally specified for low data rate, low power consumption, and low cost wireless personal area networks (WPANs), making it suitable to WSN. However, handling high data rate applications, such as video surveillance in WPANs, is a challenge. Simultaneous multipath routing is one solution to increase the available bandwidth in a ZigBee network. In this paper, we proposed Z-MHTR (ZigBee Multipath Hierarchical Tree Routing), a node disjoint multipath routing extension of the ZigBee tree routing protocol in cluster-tree WSNs. Extensive simulations were performed and showed that the propsed multipath routing enhances application performance in terms of packet delivery ratio, end to end delay, and network lifetime even under heavy data rates.

IEEE 802.15.4: a developing standard for low-power low-cost wireless personal area networks

IEEE Network ◽  
2001 ◽  
Vol 15 (5) ◽  
pp. 12-19 ◽  
Author(s):  
J.A. Gutierrez ◽  
M. Naeve ◽  
E. Callaway ◽  
M. Bourgeois ◽  
V. Mitter ◽  
...  
Keyword(s):  
Low Power ◽  
Ieee 802.15.4 ◽  
Low Cost ◽  
Personal Area Networks ◽  
Wireless Personal Area Networks

A Generic Framework for Bluetooth Promoted Multimedia on Demand (BlueProMoD)

2011 ◽  
pp. 160-172
Author(s):  
Panayotis Fouliras ◽  
Nikolaos Samaras
Keyword(s):  
Real Time ◽  
Value Added ◽  
End Users ◽  
Hybrid Network ◽  
Personal Area Networks ◽  
Wireless Personal Area Networks ◽  
Backbone Network ◽  
On Demand ◽  
Real Time Traffic ◽  
Generic Architecture

In recent years many technologies have converged to integrated solutions and one of the hottest topics has been the deployment of wireless personal area networks (WPANs). In this article we present a generic architecture scheme that allows voice and other real-time traffic to be carried over longer distances. The proposed scheme is a novel framework that combines a wired backbone network including Bluetooth access points (APs) with the mobile Bluetooth-enabled devices of the end users. This scheme is called Bluetooth Promoted Multimedia on Demand (BlueProMoD). BlueProMoD is a hybrid network and provides free-of-charge communication among customers, multimedia advertisements, as well as location-based and other value-added services.

An Improvement of Slotted CSMA/Ca in IEEE 802.15.4

2014 ◽  
Vol 926-930 ◽  
pp. 2767-2770
Author(s):  
Jin Hong Wang ◽  
Li Jun Sun
Keyword(s):  
Loss Rate ◽  
Ieee 802.15.4 ◽  
Low Cost ◽  
Dynamic Change ◽  
Traffic Load ◽  
Personal Area Networks ◽  
Wireless Personal Area Networks ◽  
Dynamic Algorithm ◽  
Backoff Algorithm ◽  
Low Rate

IEEE802.15.4 defines MAC and PHY specification for low-rate wireless personal area networks (LR-WPANS), which targets wireless networking among low-rate, low-power and low-cost devices for short range telecommunication. As the wireless sensor network used in ward monitoring system need to handle large amounts of data, this paper proposes an improved backoff algorithm in slotted CSMA/CA by introducing a weighting algorithm of. According to the comparison of and , we can dynamic change the minimum contention window each time at CSMA/CA begins. By NS2 simulation, when the traffic load is large, the delay time, packet loss rate and jitter of the improved dynamic algorithm can be significantly reduced.

scholarly journals Experimental Evaluation of ZigBee-Based Wireless Networks in Indoor Environments

2013 ◽  
Vol 2013 ◽  
pp. 1-9 ◽  
Author(s):  
Jin-Shyan Lee ◽  
Yuan-Ming Wang
Keyword(s):  
Indoor Environment ◽  
Loss Rate ◽  
Low Cost ◽  
Extended Period ◽  
Wireless Networking ◽  
Wireless Sensor ◽  
Personal Area Networks ◽  
Indoor Environments ◽  
Wireless Personal Area Networks ◽  
Node Connectivity

ZigBee is an emerging standard specifically designed for wireless personal area networks (WPANs) with a focus on enabling the wireless sensor networks (WSNs). It attempts to provide a low-data rate, low-power, and low-cost wireless networking on the device-level communication. In this paper, we have established a realistic indoor environment for the performance evaluation of a 51-node ZigBee wireless network. Several sets of practical experiments have been conducted to study its various features, including the (1) node connectivity, (2) packet loss rate, and (3) transmission throughput. The results show that our developed ZigBee platforms could work well under multihop transmission over an extended period of time.

A Generic Framework for Bluetooth Promoted Multimedia on Demand (BlueProMoD)

2011 ◽  
pp. 142-156
Author(s):  
Panayotis Fouliras
Keyword(s):  
Real Time ◽  
Value Added ◽  
End Users ◽  
Hybrid Network ◽  
Personal Area Networks ◽  
Wireless Personal Area Networks ◽  
Backbone Network ◽  
On Demand ◽  
Real Time Traffic ◽  
Generic Architecture

In recent years many technologies have converged to integrated solutions and one of the hottest topics has been the deployment of wireless personal area networks (WPANs). In this article we present a generic architecture scheme that allows voice and other real-time traffic to be carried over longer distances. The proposed scheme is a novel framework that combines a wired backbone network including Bluetooth access points (APs) with the mobile Bluetooth-enabled devices of the end users. This scheme is called Bluetooth Promoted Multimedia on Demand (BlueProMoD). BlueProMoD is a hybrid network and provides free-of-charge communication among customers, multimedia advertisements, as well as location-based and other value-added services.

scholarly journals Obérisk: Cybersecurity Requirements Elicitation through Agile Remote or Face-to-Face Risk Management Brainstorming Sessions

Information ◽  
2021 ◽  
Vol 12 (9) ◽  
pp. 349
Author(s):  
Stéphane Paul ◽  
Douraid Naouar ◽  
Emmanuel Gureghian
Keyword(s):  
Risk Management ◽  
Low Cost ◽  
Requirements Elicitation ◽  
News Daily ◽  
Use Case ◽  
Support Tool ◽  
Face To Face ◽  
Wide Range ◽  
Industrial Projects ◽  
Electronic Support

Cyberattacks make the news daily. Systems must be appropriately secured. Cybersecurity risk analyses are more than ever necessary, but… traveling and gathering in a room to discuss the topic has become difficult due to the COVID, whilst having a cybersecurity expert working isolated with an electronic support tool is clearly not the solution. In this article, we describe and illustrate Obérisk, an agile, cross-disciplinary and Obeya-like approach to risk management that equally supports face-to-face or remote risk management brainstorming sessions. The approach has matured for the last three years by using it for training and a wide range of real industrial projects. The overall approach is detailed and illustrated on a naval use case, with extensive feedback from the end-users. We show that Obérisk is really time-efficient and effective at managing risks at the early stages of a project, whilst remaining extremely low-cost. As the project grows or when the system is deployed, it may eventually be necessary to shift to a more comprehensive commercial electronic support tool.

Baseband Receiver Design for the MBOA Ultra Wideband Wireless Personal Area Networks

2009 ◽  
Vol E92-B (1) ◽  
pp. 143-149
Author(s):  
Sen-Hung WANG ◽  
Chih-Peng LI ◽  
Chao-Tang YU ◽  
Jian-Ming HUANG ◽  
Chua-Chin WANG
Keyword(s):  
Ultra Wideband ◽  
Personal Area Networks ◽  
Receiver Design ◽  
Wireless Personal Area Networks ◽  
Baseband Receiver

Programmable Integrated Photonics

2020 ◽  
Author(s):  
José Capmany ◽  
Daniel Pérez
Keyword(s):  
Integrated Circuit ◽  
Performance Monitoring ◽  
Low Cost ◽  
Limiting Factors ◽  
External Control ◽  
Integrated Photonics ◽  
New Paradigm ◽  
Photonic Integrated Circuit ◽  
And Performance ◽  
Application Fields

Programmable Integrated Photonics (PIP) is a new paradigm that aims at designing common integrated optical hardware configurations, which by suitable programming can implement a variety of functionalities that, in turn, can be exploited as basic operations in many application fields. Programmability enables by means of external control signals both chip reconfiguration for multifunction operation as well as chip stabilization against non-ideal operation due to fluctuations in environmental conditions and fabrication errors. Programming also allows activating parts of the chip, which are not essential for the implementation of a given functionality but can be of help in reducing noise levels through the diversion of undesired reflections. After some years where the Application Specific Photonic Integrated Circuit (ASPIC) paradigm has completely dominated the field of integrated optics, there is an increasing interest in PIP justified by the surge of a number of emerging applications that are and will be calling for true flexibility, reconfigurability as well as low-cost, compact and low-power consuming devices. This book aims to provide a comprehensive introduction to this emergent field covering aspects that range from the basic aspects of technologies and building photonic component blocks to the design alternatives and principles of complex programmable photonics circuits, their limiting factors, techniques for characterization and performance monitoring/control and their salient applications both in the classical as well as in the quantum information fields. The book concentrates and focuses mainly on the distinctive features of programmable photonics as compared to more traditional ASPIC approaches.

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