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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 Multimedia
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Introducing the New VMware Management Solution Portfolio
sponsored by VMware, Inc.
WEBCAST:
This exclusive webcast discusses a new management solution portfolio designed to optimize your virtual and cloud environment. Gain insights on how to cost-effectively build a secure, automated virtual infrastructure that delivers the performance your users require.
Posted: 24 May 2012 | Premiered: 24 May 2012
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One-Stop Shop: Best Practices to Streamline your Service Desk
sponsored by Nimsoft, Inc.
WEBCAST:
Your service desk should be the one stop shop for internal and external customers. But, in order for IT to be the orchestrator of knowledge and the service catalog, you need to provide excellent service and quick response times. Watch this webcast and discover the most current recommendations for service delivery and management best practices.
Posted: 05 Jan 2012 | Premiered: 05 Jan 2012
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Build the Intelligent, Integrated Enterprise
sponsored by Red Hat
WEBCAST:
Watch this webcast to learn how to keep up with the ever-changing consumer demands for new and improved products and services. Discover technologies that can help you build an agile, responsive IT infrastructure so you're able to scale to changing needs and make more strategic business decisions.
Posted: 20 Apr 2012 | Premiered: 20 Apr 2012
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Cloud Computing Use Case: Improving Supply Chain Visibility
sponsored by Hewlett-Packard Company
VIDEOCAST:
Watch this video to learn how one business was able to improve service delivery, monitoring and tracking by taking advantage of a new cloud system. Review the benefits they experienced, including improved supply chain management and faster service development.
Posted: 09 May 2012 | Premiered: 09 May 2012
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Serena Service Manager: Demo
sponsored by SERENA Software, Inc.
WEBCAST:
This webcast demonstrates how Serena Service Manager offers a powerful, process based approach to orchestrating IT Service Management (ITSM). It provides end-to-end service visibility, unifies the IT service delivery experience, and is flexible and adaptable to changing business needs.
Posted: 04 Apr 2012 | Premiered: 04 Apr 2012
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Maximize data quality for improved data management: IT software download
sponsored by Melissa Data Corp
SOFTWARE DEMO:
Contact Zone is open-source extract, transform and load (ETL), and data quality software. Easily build and manage data transformations to cleanse, update, standardize and enrich contact information, helping reduce costs, improve communications and easily integrate enterprise data.
Posted: 01 Mar 2012 | Premiered: 01 Mar 2012
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Forrester Webcast - BYOD’s Impact on Wired and Wireless Isn’t What You Expect
sponsored by Fluke Networks
WEBCAST:
Register now for this exclusive live webinar and learn how to start troubleshooting your network and application problems in your wireless environment to enable a successful BYOD initiative in your organization.
Posted: 07 May 2012 | Premiered: 07 May 2012
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BlackBerry PlayBook OS 2.0 Security Overview
sponsored by BlackBerry
WEBCAST:
Tune into this webcast to learn about the security measures included in the BlackBerry PlayBook 2.0, ranging from data leak prevention to wiping to authentication. Discover how these initiatives can let you rest easy and allow your employees to use these devices in the workplace.
Posted: 22 Mar 2012 | Premiered: 22 Mar 2012
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Mitigating Risk and Securing Devices for the Mobile Employee
sponsored by Fiberlink
PODCAST:
As more mobile devices are adopted at work, mobile application and data security is becoming more important than ever for IT leaders.
Posted: 23 Nov 2011 | Premiered: 23 Nov 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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