An automatically tuneable antenna design with GPS dead reckoning switch for multiband laptop and mobile cellular phone applications to the human body

2013 ◽  
Author(s):  
Jhin-Fang Huang ◽  
Wen-Cheng Lai ◽  
Pi-Gi Yang
Keyword(s):  
Human Body ◽  
Dead Reckoning ◽  
Cellular Phone ◽  
Antenna Design ◽  
Mobile Cellular

scholarly journals Mobile Visual Communication

2007 ◽  
Vol 28 (1) ◽  
pp. 49-62 ◽  
Author(s):  
Mikko Villi
Keyword(s):  
Mobile Phones ◽  
Visual Communication ◽  
Cellular Phone ◽  
Camera Phone ◽  
Visual Contact ◽  
Mobile Cellular ◽  
Camera Phones ◽  
Potential Part ◽  
Personal Photography

Abstract In this article I will elucidate the concept of photo messaging, and examine camera phones in the context of communication and photography. Camera functions are nowadays a popular add-on to the mobile (cellular) phone. Users can send photographs directly from the phone as photo messages. Findings suggest that the ubiquitous camera phone, and photo messaging, may substantially change the ways in which people use personal photography. The imaging capacity of mobile phones is becoming a potential part of perpetual visual contact. Thus taking and sending photographs on a camera phone represents a new resource for visual communication.

scholarly journals Integrated Miniature Multiband Antenna Designed for WWD and SAR Assessment for Human Exposure

2021 ◽  
Vol 2021 ◽  
pp. 1-15
Author(s):  
Brahim Fady ◽  
Jaouad Terhzaz ◽  
Abdelwahed Tribak ◽  
Fatima Riouch
Keyword(s):  
Human Body ◽  
Human Exposure ◽  
Absorption Rate ◽  
Specific Absorption Rate ◽  
Low Cost ◽  
Antenna Design ◽  
Head Model ◽  
Use Case ◽  
Wireless Devices ◽  
Multiband Antenna

The article introduces a new, low-cost, integrated, multiband antenna design intended for wristbands and wearable wireless devices (WWD). With a miniaturized planar square-shape sizing 29 × 29 mm2, the antenna can fit easily inside WWDs. The proposed design covers the most used frequency bands such as LTE2300, ISM2400, LTE2600, WiMAX3500, WiMAX5200, and ISM5800 in which the antenna reaches up to −25 dB and 6.9 dBi in terms of S11 and gain, respectively. To evaluate the exposure amenability of design on human body, we studied the specific absorption rate (SAR) of the design in two main use cases: multilayered human wrist model and a SAM (Specific Anthropomorphic Mannequin) head model. In each use case, the SAR results in different positions for all frequencies are compared to FCC standards.

Design and Analysis of Wearable Antennas

2021 ◽  
pp. 85-97
Author(s):  
Mahesh Kumar Aghwariya ◽  
Amit Kumar ◽  
Ragini Sharma
Keyword(s):  
Wireless Communication ◽  
Human Body ◽  
The Body ◽  
Antenna Design ◽  
Maximum Efficiency ◽  
Wearable Antenna ◽  
Wearable Antennas ◽  
Flexible Material

This chapter presents the various designing methods and challenges associated with wearable antennas, selecting the designing material, various fabrication techniques, and implementation methods on the fabric. Wearable antennas have gained popularity in recent years due to their unmatched properties and unique features. The wearable antenna is capable of providing effective wireless communication, tracking, and sensing. These types of antenna need to be conformal when used on numerous parts of the human body, and they need to be lightweight, flexible, and must be implemented easily on the flexible material. These antennas must be capable of operating with maximum efficiency on the human body. These requirements make the wearable antenna design challenging. They also need to be compact in size, better in coupling with the body, and must be capable of handling issues associated with the device when the target is moving.

scholarly journals IMPACT OF MOBILE PHONES AND INTERNET USE ON FINANCIAL INCLUSION: EMPIRICAL EVIDENCE FROM THE EU POST-COMMUNIST COUNTRIES

2021 ◽  
Vol 0 (0) ◽  
pp. 1-20
Author(s):  
Yilmaz Bayar ◽  
Marius Dan Gavriletea ◽  
Dragoş Păun
Keyword(s):  
Czech Republic ◽  
Financial Market ◽  
Mobile Phones ◽  
Financial Institutions ◽  
Financial Services ◽  
Market Access ◽  
Cellular Phone ◽  
Financial Inclusion ◽  
Internet Usage ◽  
Mobile Cellular

Poverty alleviation has become one of the biggest challenges for many countries and access to financial services is considered to be a key driver of development and economic growth. Finding solutions that can break down barriers that poor people are facing to access formal financial services has become a major concern for researchers, governments, financial institutions. Financial services must reinvent themselves and the adoption of new technology is a crucial key to overhaul their operations and to find innovative solutions to manage customer expectations. The escalation in access and penetration level of mobile phones and the Internet can improve financial inclusion by facilitating easy access to financial services, by providing secure transaction platforms, by reducing transaction costs, by providing a competitive business framework. There has been relatively limited research on the impact of Internet and mobile phones use on financial inclusion, therefore our main purpose was to investigate this linkage in a sample of 11 post-communist countries of the European Union from 1996–2017 using panel cointegration and causality analyses. Firstly, we investigated whether mobile cellular phone subscriptions and the rate of Internet usage affect financial institutions’ access; secondly, we analysed the impact of these variables on financial market access. Results indicate that mobile cellular phone subscriptions positively affect both financial institution access in countries like Hungary, Latvia, Lithuania, Poland, and Slovenia and financial market access in Bulgaria, Croatia, and Hungary. Also, a negative relationship between mobile cellular phone subscriptions and financial institution access was noticed in the Czech Republic and regarding financial market access in the Czech Republic and Poland. Our findings also indicate both positive and negative relationships between Internet usage rates and financial institutions and financial markets access. By increasing Internet usage we can improve access to financial institutions in Bulgaria, Croatia, Czech Republic, Hungary, and Poland and we can increase financial markets access in Latvia and Slovenia.

Application of Information Technology in Disaster and Emergency Management

2012 ◽  
Vol 2 (4) ◽  
pp. 1-12
Author(s):  
Jishnu Subedi
Keyword(s):  
Information Technology ◽  
Risk Management ◽  
Mobile Phone ◽  
Cellular Phone ◽  
Disaster Risk ◽  
Disaster Risk Management ◽  
Full Potential ◽  
Mobile Cellular ◽  
Future Direction ◽  
Use Of Internet

This paper discusses application of information technology in disaster risk management and reducing impact of disasters in the community. Internet and mobile-cellular phone are the two ultimate manifestations, so far, of information technology. The number of subscription of mobile-cellular phone per 100 inhabitants increased from just below 23 to nearly 85 in the span of 8 years from 2005-12. Although the number jumped from 82 to 124 in the same period in the developed world, the increase in the rest of the world is also phenomenal. Increase in numbers individuals using internet has been, however, lower in developing world which increased from just below 8 users to about 28 users per 100 inhabitants in the duration of 2005-12. Use of internet in mobile phone is now merging to such an extent that access to mobile phone may ultimately mean access to internet in the future. Despite of the advancement, sophistication and widespread proliferation of the technology, its application in disaster risk management has not still been fully capitalized. One of the reasons for this is that information available doesn't necessarily mean reception of the information by the person in need and translation of the information to action that can reduce impact of disaster. Further groundwork is necessary for translating information into action and the next meet of stakeholders in 2015 in Japan to chart future direction of global effort in disaster risk reduction should focus on utilizing full potential of information technology for disaster risk management.

Capsule Antenna Design Based on Transmission Factor through the Human Body

2018 ◽  
Vol E101.B (2) ◽  
pp. 357-363 ◽  
Author(s):  
Yang LI ◽  
Hiroyasu SATO ◽  
Qiang CHEN
Keyword(s):  
Human Body ◽  
Antenna Design ◽  
Transmission Factor
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