Low Cost Wireless Technology and Digital Board for Education in Rural Kenya

2011 ◽  
pp. 52-60 ◽  
Author(s):  
F. Bertarelli ◽  
S. Padoa ◽  
G. Guaraldi ◽  
E. Genovese ◽  
M. Corradini ◽  
...  
Keyword(s):  
Low Cost ◽  
Wireless Technology ◽  
Rural Kenya

scholarly journals Wireless Technology for Monitoring Site-specific Landslide in Vietnam

2018 ◽  
Vol 8 (6) ◽  
pp. 4448
Author(s):  
Gian Quoc-Anh ◽  
Nguyen Dinh-Chinh ◽  
Tran Duc-Nghia ◽  
Tran Duc-Tan ◽  
Kieu Nguyen Thi ◽  
...  
Keyword(s):  
Low Cost ◽  
Wireless Sensor ◽  
Landslide Monitoring ◽  
Technical Solution ◽  
Monitoring Site ◽  
Wireless Technology ◽  
Efficient System ◽  
Weather Events ◽  
Monitoring And Forecasting ◽  
Current Monitoring

<p>Climate change has caused an increasing number of landslides, especially in the mountainous provinces of Vietnam, resulting in the destruction of vital transport and other infrastructure. Current monitoring and forecasting systems of the meteorology department cannot deliver accurate and reliable forecasts for weather events and issue timely warnings. This paper describes the development of a simple, low cost, and efficient system for monitoring and warning landslide in real-time. The authors focus on the use of wireless and related technologies in the implementation of a technical solution and some of the problems of the wireless sensor network (WSN) related to power consumption. Promising compressed sensing (CS) based solution for landslide monitoring is discussed and evaluated in the paper.</p>

Reconstruction of Noisy Electromagnetic Fields by Means of Compressive Sensing Theory

2012 ◽  
Vol 263-266 ◽  
pp. 99-102 ◽  
Author(s):  
Diego Bellan
Keyword(s):  
Compressive Sensing ◽  
Additive Noise ◽  
Low Cost ◽  
Nonuniform Distribution ◽  
Quantization Noise ◽  
Electronic Noise ◽  
Wireless Technology ◽  
Electromagnetic Environment ◽  
Typical Application ◽  
Electronic Apparatus

This paper deals with the emerging compressive sensing theory applied to reconstruction of the spatial distribution of a magnetic/electric field corrupted by additive noise. A typical application could be monitoring of the electromagnetic environment of a wide area where an electromagnetic source or susceptible electric/electronic apparatus are located. To this end, wireless field sensors can be assumed to be deployed over the monitored area and used to provide spatial samples of the field. The main advantages offered by compressive sensing include a number of sensors much smaller than the number foreseen by the traditional Shannon sampling theory, and the possibility to resort to nonuniform distribution of the sensors. A specific numerical analysis is devoted to investigate the effects of additive noise introduced by wireless technology, including quantization noise featuring low-cost sensors, environment and electronic noise.

Bluetooth Hands Free System for Fixed Telephone Research

2012 ◽  
Vol 198-199 ◽  
pp. 1603-1608
Author(s):  
Qing Hua Shang ◽  
Ping Liu
Keyword(s):  
Power Consumption ◽  
Low Power ◽  
Mobile Phones ◽  
Daily Life ◽  
Low Cost ◽  
Low Power Consumption ◽  
Wireless Technology ◽  
Free System ◽  
Wireless Technologies ◽  
The Stability

Wireless technology has walked into the People's Daily life, Bluetooth technology comes to the fore in so many wireless technologies with its low power consumption, low cost and other characteristics. Bluetooth technology is used widely, we can see it in mobile phones or in our cars, it seems that Bluetooth technology has penetrated into every aspect of our lives. Even so, the combination of Bluetooth technology and fixed telephone still has a very big development space. If the stability of the fixed telephone combined with the flexible of Bluetooth technology, it will give the life of people a lot of convenience. This paper will introduces the Bluetooth hands free system for fixed telephone, it is such a product that it will make Bluetooth technology and common fixed phone combined, and make it a reality that people can use common Bluetooth headset to answer or call a fixed telephone.

Wireless mesh network data communications and reliability analysis for anti-theft application deployment in educational institutions

2019 ◽  
Vol 17 (3) ◽  
pp. 474-489
Author(s):  
Roger van Rensburg ◽  
Bruce Mellado ◽  
Cesar Augusto Marin Tobon
Keyword(s):  
South Africa ◽  
Mesh Networks ◽  
Low Cost ◽  
Mesh Network ◽  
Educational Institutions ◽  
Data Communications ◽  
Wireless Technology ◽  
Content Type ◽  
Wireless Mesh

Purpose The purpose of this study is to locally develop low-cost wireless mesh networks for reliable data communications to devices that prevent the theft of these devices in learning institutions of South Africa. Design/methodology/approach A network test-bench was developed where millions of packets were transmitted and logged between interconnected nodes to analyze the quality of the network’s service in a harsh indoor building environment. Similar methodologies in “big data” analysis as found in particle physics were adopted to analyze the network’s performance and reliability. Findings The results from statistical analysis reveal the quality of service between multiple asynchronous transmitting nodes in the network and compared with the wireless technology routing protocol to assess coverage in large geographical areas. The mesh network provides stable data communications between nodes with the exception of reliability degradation in some multi-hopping routes. Conclusions are presented to determine whether the underlining mesh network technology will be deployed to protect devices against theft in educational institutions of South Africa. Research limitations/implications The anti-theft application will focus on proprietary firmware development with a reputable tablet manufacturer to render the device inoperable. Data communications of devices to the network will be monitored and controlled from a central management system. The electronics embedding the system-on-chip will be redesigned and developed using the guidelines stipulated by the chip manufacturer. Originality/value Design and development of low-cost wireless mesh networks to protect tablets against theft in institutions of digitized learning. The work presents performance and reliability metrics of a low-power wireless mesh wireless technology developed in a harsh indoor building environment.

scholarly journals A Low-Cost and Low-Power Messaging System Based on the LoRa Wireless Technology

2019 ◽  
Vol 25 (3) ◽  
pp. 961-968 ◽  
Author(s):  
Angelica Moreno Cardenas ◽  
Miguel Kiyoshy Nakamura Pinto ◽  
Ermanno Pietrosemoli ◽  
Marco Zennaro ◽  
Marco Rainone ◽  
...  
Keyword(s):  
Low Power ◽  
Low Cost ◽  
Wireless Technology

scholarly journals Modeling the Cost of Technology Transfer and Economic Growth in Nigeria

2019 ◽  
Vol 6 (2) ◽  
pp. 1
Author(s):  
Onochie Jude Dieli ◽  
Mika Kato ◽  
Gbolahan S. Osho ◽  
Stiff Cleveland
Keyword(s):  
Economic Growth ◽  
Technology Transfer ◽  
Low Cost ◽  
High Growth ◽  
State Level ◽  
Wireless Technology ◽  
Mobile Phone Technology ◽  
Transfer Of Technology ◽  
Growth Equilibrium ◽  
The Cost

This research studies the effects of wireless mobile phone technology on technology transfer and economic growth, and its distributional consequence in Nigeria. After deregulation of telecom industry, wireless technology has become widely available in Nigeria  The current study argues that the availability of wireless technology helps to reduce the cost of learning and implementing world technology frontier and thus that it promotes smoother transfer of technology from technologically-advanced countries to Nigeria and brings significant growth in the economy. Using a multi-sector Schumpeterian growth model, thus, it explains the relationship between the cost of technology transfer and economic growth. The model generates two equilibria where the low equilibrium has zero growth. This study shows that a group with low cost of technology transfer is likely to achieve the high growth equilibrium while a group with high cost of technology transfer is likely to achieve the low growth equilibrium. Using the industry-level and the state-level data, the study found that the availability of wireless technology increased transfer of technology measured by the volume of imports and spurred growth in Nigeria. Moreover, the research found that the benefit of the wireless technology is greater for lower income groups and thus the technology helped to reduce distributional inequality of economic benefit.

scholarly journals Bluetooth Wireless Technology Cybersecurity and Diabetes Technology Devices

2019 ◽  
Vol 14 (6) ◽  
pp. 1111-1115
Author(s):  
William Saltzstein
Keyword(s):  
Quality Of Life ◽  
Interest Group ◽  
Medical Devices ◽  
Chronic Conditions ◽  
Low Cost ◽  
Wireless Technology ◽  
Registered Trademark ◽  
Display Devices ◽  
Diabetes Technology

Medical devices have transitioned from hospital into the home and consumer environments and have been shown to provide for mobility and quality-of-life improvements for chronic conditions such as diabetes. It is important to collect sensor and usage data while remotely connected in real time. The protection of these data is commonly called “cybersecurity.” Bluetooth® wireless technology (Bluetooth is a registered trademark of the Bluetooth Special Interest Group, Inc.) is commonly used for low-cost medical devices to provide connections to other medical devices as well as compute and display devices such as smartphones. This paper provides a review of its use with respect to diabetes devices with a particular focus on cybersecurity.

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