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Free Space Optics Communications

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ALSO CALLED: FSO, FSP, Free Space Optics, Wireless Optics, Free Space Photonics, FSO Communications, Free-Space Optics, Optical Wireless
DEFINITION: Free-space optics (FSO), also called free-space photonics (FSP), refers to the transmission of modulated visible or infrared ( IR ) beams through the atmosphere to obtain broadband communications. Most frequently, laser beams are used, although non-lasing sources such as light-emitting diodes ( LED s) or IR-emitting diodes (IREDs) will serve the purpose.The theory of FSO is essentially the same as  … 
Definition continues below.
Free Space Optics Communications Reports
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Conflicker Working Group - Lessons learned from Conflicker
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WHITE PAPER: In November 2008, Conficker A, the first of five variants of the malware, rapidly began infecting computers which had failed to install a Microsoft patch released just weeks earlier. In late December 2008, Conficker B added new mechanisms for distribution including USB storage devices.
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Consolidation: The Foundation For IT and Business Transformation
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Corporate Telephony: Evaluating Leading Vendors
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Curbing Colocation Costs: Your 5 Questions Answered on Data Center Outsourcing
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WHITE PAPER: Businesses, charities and local authorities are looking to cut their overheads by sharing their IT infrastructure, CIOs at Computer Weekly’s 500 Club heard last week.
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EZINE: In Europe cloud is restricted and hybrid setups make use of local compute and storage.
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CW Nordics February 2016: Saab's Leviathan Challenge
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EZINE: The Nordic region is often described as a region that is leading the way in terms of the use of modern IT. The region needs IT to make up for factors such as having a small population, with many isolated communities. So IT both helps the region punch above its weight in business and enables its residents to receive services effectively.
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ESSENTIAL GUIDE: This 9 page special report, updated for 2014, gives you the facts on Atos, its strategy, products and services and financial performance.
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CW+ Exclusive EquaTerra research: Taking the pulse of the European outsourcing market
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WHITE PAPER: EquaTerra is pleased to offer to Computer Weekly readers a custom, European focused edition of the results from its 2Q10 EquaTerra global business and information technology (IT) services Pulse survey.
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CW+: 500 Club case study: The Royal Mail approach to supplier relationship management
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WHITE PAPER: Your IT department and your suppliers are at loggerheads. There is a culture of one-upmanship and awkwardness on both sides. It’s not quite war, but its getting there. What do you do?
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Computer Weekly – 20 December 2011: Read this week’s issue, featuring: retail IT issues for Christmas; the cost of software failure; the founder of agile development
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EZINE: In this week's issue of Computer Weekly, we look at the key technologies that retailers are turning to for IT-enabling customers' Christmas shopping. We examine research revealing the huge cost of application software that fails to meet requirements; and we talk to one of the pioneers of agile software development. Download the new issue now.
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Posted: 21 Oct 2013 | Published: 21 Oct 2013

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Considerations for Deploying Mobile WiMAX at Various Frequencies
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Converged Infrastructure Trend 2- New skill sets
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VIDEO: This short video discusses emerging trends that are impacting IT pros jobs, and learn about skill sets you need in order to be successful in this new style of IT.
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EZINE: Analysts have predicted that 2014 will see the creation of "executives with no idea about IT sourcing" due to the many changes that digitisation will bring to IT outsourcing. In this issue CW Europe's outsourcing editor looks at how digitisation and consumerisation are changing the IT department.
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CW Europe – July Edition
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EZINE: As European businesses push to get more from existing IT services providers, renegotiations are common for improving contracts. But business and delivery models emerge and evolve quickly, so are organisations which focus solely on cost could miss out on other benefits? CWEurope addresses that very question.
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EZINE: This issue of CW Europe explores how Neelie Kroes, who became the Netherlands Special Envoy for Startups at the beginning of 2015, is embarking on a new mission for startups in the Netherlands and the work she is leading via Startup Delta.
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CW Europe – September Edition
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EZINE: In this issue of CW Europe read how data discipline ensures you avoid data loss, as well as helping you to think clearer and to be organised.
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ComputerWeekly.com
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FREE SPACE OPTICS COMMUNICATIONS DEFINITION (continued): …  that for fiber optic transmission. The difference is that the energy beam is collimated and sent through clear air or space from the source to the destination, rather than guided through an optical fiber. If the energy source does not produce a sufficiently parallel beam to travel the required distance, collimation can be done with lenses. At the source, the visible or IR energy is modulated with the data to be transmitted. At the destination, the beam is intercepted by a photodetector, the data is extracted from the visible or IR beam (demodulated), and the resulting signal is amplified and sent … 
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