Wireless Phone Threat Assessment And New Wireless Technology Concerns For Aircraft Navigation Radios
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Wireless Phone Threat Assessment And New Wireless Technology Concerns For Aircraft Navigation Radios
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Author : Jay J. Ely
language : en
Publisher:
Release Date : 2003
Wireless Phone Threat Assessment And New Wireless Technology Concerns For Aircraft Navigation Radios written by Jay J. Ely and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Airplanes categories.
Wireless Phone Threat Assessment And New Wireless Technology Concerns For Aircraft Navigation Radios
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-06-15
Wireless Phone Threat Assessment And New Wireless Technology Concerns For Aircraft Navigation Radios written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-15 with categories.
To address the concern for cellular phone electromagnetic interference to aircraft radios, a radiated emission measurement process was developed for two dominant digital standards of wireless handsets. Spurious radiated emissions were efficiently characterized from devices tested in either a semi-anechoic or reverberation chamber, in terms of effective radiated power. Eight representative handsets (four from each digital standard) were commanded to operate while varying their radio transmitter parameters (power, modulation, etc.). This report provides a detailed description of the measurement process and resulting data, which may subsequently be used by others as a basis of consistent evaluation of other portable transmitters using a variety of wireless transmission protocols. Aircraft interference path loss and navigation radio interference threshold data from numerous reference documents, standards, and NASA partnerships were compiled. Using these data, a preliminary risk assessment is provided for wireless phone interference to aircraft Localizer, Glideslope, Very High Frequency Omni directional Range, and Global Positioning Satellite radio receivers on typical transport airplanes. The report identifies where existing data for device emissions, interference path loss, and navigation radio interference thresholds need to be extended for an accurate risk assessment for wireless transmitters in aircraft. Ely, Jay J. and Nguyen, Truong X. and Koppen, Sandra V. and Beggs, John H. and Salud, Maria Theresa P. Langley Research Center DFTA03-96-X-90001; WU 728-30-10-01
Wireless Phone Threat Assessment And New Wireless Technology Concerns For Aircraft Navigation Radios
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Author : Jay J. Ely
language : en
Publisher: BiblioGov
Release Date : 2013-08
Wireless Phone Threat Assessment And New Wireless Technology Concerns For Aircraft Navigation Radios written by Jay J. Ely and has been published by BiblioGov this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-08 with categories.
To address the concern for cellular phone electromagnetic interference to aircraft radios, a radiated emission measurement process was developed for two dominant digital standards of wireless handsets. Spurious radiated emissions were efficiently characterized from devices tested in either a semi-anechoic or reverberation chamber, in terms of effective radiated power. Eight representative handsets (four from each digital standard) were commanded to operate while varying their radio transmitter parameters (power, modulation, etc.). This report provides a detailed description of the measurement process and resulting data, which may subsequently be used by others as a basis of consistent evaluation of other portable transmitters using a variety of wireless transmission protocols. Aircraft interference path loss and navigation radio interference threshold data from numerous reference documents, standards, and NASA partnerships were compiled. Using these data, a preliminary risk assessment is provided for wireless phone interference to aircraft Localizer, Glideslope, Very High Frequency Omni directional Range, and Global Positioning Satellite radio receivers on typical transport airplanes. The report identifies where existing data for device emissions, interference path loss, and navigation radio interference thresholds need to be extended for an accurate risk assessment for wireless transmitters in aircraft.
Portable Wireless Lan Device And Two Way Radio Threat Assessment For Aircraft Navigation Radios
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Author :
language : en
Publisher:
Release Date : 2003
Portable Wireless Lan Device And Two Way Radio Threat Assessment For Aircraft Navigation Radios written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Local area networks (Computer networks) categories.
Departments Of Transportation And Treasury And Independent Agencies Appropriations For 2005
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Author : United States. Congress. House. Committee on Appropriations. Subcommittee on the Departments of Transportation and Treasury, and Independent Agencies Appropriations
language : en
Publisher:
Release Date : 2004
Departments Of Transportation And Treasury And Independent Agencies Appropriations For 2005 written by United States. Congress. House. Committee on Appropriations. Subcommittee on the Departments of Transportation and Treasury, and Independent Agencies Appropriations and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with United States categories.
Departments Of Transportation And Treasury And Independent Agencies Appropriations For 2004
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Author : United States. Congress. House. Committee on Appropriations. Subcommittee on the Departments of Transportation and Treasury, and Independent Agencies Appropriations
language : en
Publisher:
Release Date : 2003
Departments Of Transportation And Treasury And Independent Agencies Appropriations For 2004 written by United States. Congress. House. Committee on Appropriations. Subcommittee on the Departments of Transportation and Treasury, and Independent Agencies Appropriations and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with United States categories.
Departments Of Transportation And Treasury And Independent Agencies Appropriations For 2004 Department Of Transportaion Fy04 Budget Justifications
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Author : United States. Congress. House. Committee on Appropriations. Subcommittee on the Departments of Transportation and Treasury, and Independent Agencies Appropriations
language : en
Publisher:
Release Date : 2003
Departments Of Transportation And Treasury And Independent Agencies Appropriations For 2004 Department Of Transportaion Fy04 Budget Justifications written by United States. Congress. House. Committee on Appropriations. Subcommittee on the Departments of Transportation and Treasury, and Independent Agencies Appropriations and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Government publications categories.
Investigation Of Rf Emissions From Wireless Networks As A Threat To Avionic Systems
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Author : Maria Theresa P. Salud
language : en
Publisher:
Release Date : 2002
Investigation Of Rf Emissions From Wireless Networks As A Threat To Avionic Systems written by Maria Theresa P. Salud and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Electromagentic interference in aeronautics categories.
An Analysis Of Regulatory Frameworks For Wireless Communications Societal Concerns And Risk
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Author : Haim Mazar
language : en
Publisher: Universal-Publishers
Release Date : 2009
An Analysis Of Regulatory Frameworks For Wireless Communications Societal Concerns And Risk written by Haim Mazar and has been published by Universal-Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Political Science categories.
This thesis analyses how and why culture and geography influence the allocation and licensing of the radio frequency (RF) spectrum in different nations. Based on a broad comparative study of 235 countries, an inter-disciplinary approach is used to explore regulatory frameworks and attitudes toward risk. In addition, detailed case studies of the UK, France, the US and Ecuador provide deeper insights into the main contrasting regulatory styles. Three alternative sociological theories are used to analyse and explain the results for both the in-depth and broad brush studies. The Cultural Theory of Mary Douglas and co-workers is first used to categorise countries in terms of perceptual filters. The empirical findings indicate some countries to be apparently exceptional in their behaviour. The theory of Bounded Rationality is used to investigate and explain these apparent irrationalities. Finally, Rational Field Theory shows how beliefs and values guide administrations in their RF regulation. A number of key factors are found to dominate and patterns emerge. The European RF harmonisation is unique. Following European unification, wireless regulation is divided into two major camps (the EU and the US), which differ in their risk concerns, approach to top-down mandated standards, allocation of RF spectrum to licence-exempt bands and type approval process. The adoption of 3G cellular (UMTS versus CDMA2000) and digital TV standards (DVB-T/ATSC/ISDB-T) around the world reflects geopolitical and colonial influence. The language of a country is a significant indicator of its analogue TV standard (SECAM/PAL/NTSC). Interestingly, the longitude of a country to a fair extent defines RF allocation: Africa and West Asia follow Europe, whereas the Americas approximate the US. RF regulation and risk tolerability differ between tropical and non-tropical climates. The collectivised/centralised versus the individualised/market-based rationalities result in different regulatory frameworks and contrasting societal and risk concerns. The success of the top-down European GSM and the bottom-up Wi-Fi standards reveal how the central-planning and market-based approaches have thrived. Attitudes to RF human hazards and spurious emissions levels reveal that the US, Canada and Japan are more tolerant of these radiation risks than Europe. Australia, Canada, New Zealand, UK and USA encourage technological innovation. A practical benefit of this study is that it will give regulators more freedom to choose a rational RF licensing protocol, by better understanding the possibly self-imposed boundaries of cultural and geographical factors which are currently shaping allocation. Academically, there is utility in undertaking a cultural and geographic analysis of a topic that is mostly the domain of engineering, economic and legal analysts.
Autonomous Revolution Strategies Threats And Challenges
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Author : Umair B. Chaudhry
language : en
Publisher: Springer Nature
Release Date : 2025-07-24
Autonomous Revolution Strategies Threats And Challenges written by Umair B. Chaudhry and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-07-24 with Computers categories.
This book offers a comprehensive dive into the rapidly evolving world of autonomous vehicles and their pivotal role in modern data collection and mission-critical operations. From unmanned vehicles (UVs) navigating complex urban landscapes to traversing remote environments, the integration of advanced algorithms and cloud-based infrastructure enables real-time data acquisition and processing. Topics covered include resilient navigation systems, bio-inspired evolution for safer collaboration, and the crucial governance and security challenges facing land, air, and sea-based UVs. Additionally, the book explores emerging threats, such as cyber-physical vulnerabilities, counter-drone technologies, and the need for secure Flying Ad-Hoc Networks (FANETs). The future of UVs is further examined through the lens of quantum computing, pushing the boundaries of autonomous navigation and decision-making. By compiling these scattered and essential topics into one resource, this book serves as a vital reference for professionals, researchers, and policymakers seeking to understand and shape the future of autonomous systems.