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DEFINITION: Cognitive radio (CR) is a form of wireless communication in which a transceiver can intelligently detect which communication channels are in use and which are not, and instantly move into vacant channels while avoiding occupied ones. This optimizes the use of available radio-frequency (RF) spectrum while minimizing interference to other users. In its most basic form, CR is a hybrid technology involving
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Definition continues below.
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RF Communications White Papers
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CW 500 Club – how organisations are sharing IT services to beat the downturn
sponsored by ComputerWeekly.com
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.
Posted: 25 Oct 2011 | Published: 25 Oct 2011
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CW+: Quocirca report: The perfect storm: time to review client computing strategies
sponsored by ComputerWeekly.com
WHITE PAPER:
For many years, server-based computing has been seen as a means of, at best, providing those within highly task-based environments with a controlled desktop environment.
Posted: 21 Oct 2011 | Published: 21 Oct 2011
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IT jobswatch - opportunities in retail
sponsored by ComputerWeekly.com
WHITE PAPER:
This quarters figures compiled by jobadswatch.co.uk show that during the fourth quarter of2010 the IT jobs market for permanent staff being recruited by retail organisations is up by5.1%.The growth indemand for IT staff in this sector shows 44.5% more vacancies being advertised than ayear ago.
Posted: 21 Oct 2011 | Published: 21 Oct 2011
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Orchestrated Service Management: A new process-driven approach to ITSM that addresses cost, visibility and usability challenges
sponsored by SERENA Software, Inc.
WHITE PAPER:
This whitepaper compares and contrasts Orchestrated Service Management (OSM) systems to the other classes of ITSM systems in use today. It describes these defining characteristics, thereby creating a template for IT leaders to use when evaluating modern ITSM systems.
Posted: 04 Apr 2012 | Published: 04 Apr 2012
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Evaluation of managed print service suppilers
sponsored by ComputerWeekly.com
WHITE PAPER:
In Quocirca’s evaluation of major providers of Managed Print Services (MPS) in Europe, Quocirca found that Xerox and HP lead the pack, due to their global scale and broad service capabilities. The analysis also showed that Ricoh and Lexmark have gained considerable ground, demonstrating effective maturity and service delivery excellence.
Posted: 24 Oct 2011 | Published: 24 Oct 2011
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Ovum: CIO trends for 2011
sponsored by ComputerWeekly.com
WHITE PAPER:
The CIO needs to ensure that the IT function is in a position to help the organization benefit from opportunities that present themselves, creating a flexible IT environment that can exploit existing and emerging technologies to best advantage.
Posted: 21 Oct 2011 | Published: 21 Oct 2011
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Gartner: Five Roles for Government in Cloud Computing
sponsored by ComputerWeekly.com
WHITE PAPER:
As a consequence of tightening budgets and increasing uncertainties, government organizations are looking at how to leverage cloud computing as a model to ensure greater flexibility, lower costs, more-rapid provisioning and greater focus on areas that are more domain-specific.
Posted: 24 Oct 2011 | Published: 24 Oct 2011
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G-Cloud Report: Service Specification Approach
sponsored by ComputerWeekly.com
WHITE PAPER:
The G-Cloud, Government Applications Store and Data Centre Consolidation Phase 2 programme started on 5 October 2009 and will run till 12 February 2010. The programme comprises seven workstrands and a Programme Office function.
Posted: 21 Oct 2011 | Published: 21 Oct 2011
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ManageIQ Enterprise Cloud Management: A unified management solution for deploying and managing highly reliable, secure and elastic cloud services within your enterprise
sponsored by ManageIQ
WHITE PAPER:
This essential resource explores how a unified cloud management platform can help you monitor, optimize and streamline IT operations to accelerate service delivery and maximize resource utilization.
Posted: 08 May 2012 | Published: 08 May 2012
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Global sourcing trends 2011
sponsored by ComputerWeekly.com
WHITE PAPER:
At the beginning of each year, we survey Morrison & Foerster’s Global Sourcing Group lawyers in Asia, Europe, and the United States regarding the current state of the world’s outsourcing market and emerging trends likely to shape that market over the next twelve months.
Posted: 24 Oct 2011 | Published: 24 Oct 2011
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RF COMMUNICATIONS DEFINITION (continued): … software defined radio (SDR) as applied to spread spectrum communications. Possible functions of cognitive radio include the ability of a transceiver to determine its geographic location, identify and authorize its user, encrypt or decrypt signals, sense neighboring wireless devices in operation, and adjust output power and modulation characteristics.There are two main types of cognitive radio, full cognitive radio and spectrum-sensing cognitive radio. Full cognitive radio takes into account all parameters that a wireless node or network can be aware of. Spectrum-sensing cognitive radio is used … RF Communications definition sponsored by SearchNetworking.com, powered by WhatIs.com an online computer dictionary
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