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RF Communications

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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  … 
Definition continues below.
RF Communications Reports
 
Eleven Myths about 802.11 Wi-Fi Networks
sponsored by Global Knowledge
WHITE PAPER: In this paper examine 11 such myths and explore ways to use correct information about wireless LANs to make your networks scalable, secure and satisfying to your users.
Posted: 10 Dec 2008 | Published: 10 Dec 2008

Global Knowledge

CW+: Quocirca Report: Telecoms re-invention – death of the traditional telco
sponsored by ComputerWeekly.com
WHITE PAPER: The communications provider landscape is evolving as the demand for data—in fixed locations and on the move—outstrips the still growing demand for voice communications.
Posted: 24 Oct 2011 | Published: 24 Oct 2011

ComputerWeekly.com

Cloud Computing on a Smarter Planet
sponsored by IBM
WHITE PAPER: The true promise of cloud isn’t just about advancing IT; it’s about reinventing business. Leading companies are unlocking the deeper potential of cloud as a way to manage not just their IT but also their businesses. They’re discovering that cloud can help them create new marketplaces, smarter business services and profitable new revenue streams.
Posted: 15 Nov 2011 | Published: 15 Nov 2011

IBM

Conflicker Working Group - Lessons learned from Conflicker
sponsored by ComputerWeekly.com
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.
Posted: 24 Oct 2011 | Published: 24 Oct 2011

ComputerWeekly.com

Technology Industry Survey 2012
sponsored by ComputerWeekly.com
WHITE PAPER: This exclusive research reveals what IT professionals really think about technology, their employers, and their careers
Posted: 21 Oct 2011 | Published: 21 Oct 2011

ComputerWeekly.com

A Simple Guide to the Efficient Enterprise
sponsored by Dell, Inc. and Intel
WHITE PAPER: Recent technology advances in five key areas put efficiency gains on the fast track. Here's how Dell can help CIOs capitalize on virtualization, mobility management, storage optimization, cloud services, and automated IT management.
Posted: 05 Apr 2010 | Published: 05 Apr 2010

Dell, Inc. and Intel

Simplify Your Path to The Cloud
sponsored by Hewlett-Packard Company
WHITE PAPER: This white paper takes a closer look at HP CloudSystem, a comprehensive, integrated technology system that enables enterprises to build, manage, and consume services across all cloud environments. Discover the three easy steps you should take to provide a solid foundation for your data center.
Posted: 25 Jan 2012 | Published: 25 Jan 2012

Hewlett-Packard Company

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
sponsored by ComputerWeekly.com
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.
Posted: 19 Dec 2011 | Published: 19 Dec 2011

ComputerWeekly.com

Velocity Video: Accelerate your Journey to Virtualization and the Cloud
sponsored by CA Technologies.
VIDEO: Cloud computing and virtualization are two buzz words that have caught the IT world by storm. This video highlights the benefits and challenges of each initiative as you contemplate making the shift to these environments. Learn more here.
Posted: 13 Jun 2011 | Premiered: 13 Jun 2011

CA Technologies.

The Scoop on the New CCNA and CCNP Specializations
sponsored by Global Knowledge
WHITE PAPER: There has been a lot of interest among students lately on the details surrounding the CCNA (Cisco Certified Network Associate) specializations and their relationship with the corresponding CCNP specializations. The purpose of this white paper is to put all the information about these into one concise reference document.
Posted: 22 Sep 2009 | Published: 22 Sep 2009

Global Knowledge

Wi-Fi Provides Rx for Healthcare Challenges
sponsored by Aerohive Networks
WHITE PAPER: Access this whitepaper to learn how wireless LANs are helping the healthcare environment, as well as the challenges faced in deployment and the solutions to address these issues.
Posted: 13 Jan 2012 | Published: 13 Jan 2012

Aerohive Networks

Network Evolution E-Zine: Next-Generation Network Management Techniques
sponsored by SearchNetworking.com
EZINE: The February edition of the Network Evolution E-zine explore the latest advances in DevOps and uncover what you need to know for working within the movement. Also read several other featured articles!
Posted: 02 Feb 2012 | Published: 02 Feb 2012

SearchNetworking.com

Innovation Through End-to-End Unified Networking Solutions
sponsored by HP and Intel
WHITE PAPER: This solutions brief examines the benefits of unified networking solutions in reducing IT complexity, cutting IT infrastructure costs and easing network management complexity.
Posted: 17 Aug 2010 | Published: 17 Aug 2010

HP and Intel

The TCP/IP and OSI Models
sponsored by Global Knowledge
WHITE PAPER: Check out this white paper to learn about two network protocol models, TCP/IP and OSI.
Posted: 04 Mar 2011 | Published: 04 Mar 2011

Global Knowledge

Top Nine Reasons To Replace Your Current Warehouse Management System
sponsored by HighJump Software
WHITE PAPER: This report will identify nine telltale signs you should consider replacing your warehouse management system (WMS). As a result, you will be better able to analyze the operational factors influenced by your own WMS and gauge how an inflexible or legacy system could be constraining your company’s growth and global reach.
Posted: 15 Nov 2011 | Published: 15 Nov 2011

HighJump Software

Financing your EHR Implementation
sponsored by Intel and HP
WHITE PAPER: Under the American Recovery and Reinvestment Act, healthcare providers who invest in EHR technology may be eligible for financial incentives.  However, because incentive dollars arrive after implementation, many practices continue to see cost as a primary barrier to adoption. Read on to learn about the full range of financing options.
Posted: 15 Sep 2011 | Published: 15 Sep 2011

Intel and HP

Life Critical Networks for 21st Century Healthcare
sponsored by SearchHealthIT.com
EGUIDE: Because of the lifesaving nature of the networked devices, healthcare facilities need networks that are different than ordinary businesses. The network has to be designed to never go down, to accommodate fluctuating workloads and a variety of other requirements. Access this e-guide to learn more about the importance of healthcare networks.
Posted: 18 Aug 2011 | Published: 18 Aug 2011

SearchHealthIT.com

The iEverything Enterprise: Managing the Explosion of Mobile Devices
sponsored by Aerohive Networks
WHITE PAPER: Learn more about the changing enterprise computing environment – from smart devices to virtualization to cloud computing.
Posted: 04 Jan 2012 | Published: 04 Jan 2012

Aerohive Networks

Setting the Industry Benchmark in WLAN Performance
sponsored by HP and Intel
WHITE PAPER: 802.11n wireless local area networks (WLANs) have several distinct advantages over similar technologies. This white paper discusses them and also reveals how to get the highest data rates for the lowest cost.
Posted: 27 Dec 2011 | Published: 27 Dec 2011

HP and Intel

Conducting a WLAN Site Survey and Implementation for the Cisco Unified Wireless Network
sponsored by Global Knowledge
WHITE PAPER: When preparing to conduct a site survey for a Cisco® wireless LAN (WLAN) installation, follow the Cisco network design methodology: Prepare, Plan, Design, Implement, Operate, and Optimize (PPDIOO). PPDIOO addresses network implementation in phases. This paper will address the first four phases of this methodology.
Posted: 08 Dec 2009 | Published: 08 Dec 2009

Global Knowledge

Wireless Solutions in Healthcare
sponsored by HP and Intel
WHITE PAPER: Healthcare is a key vertical market for wireless networking because it can make organizations more efficient by giving practitioners and business users access to critical data anywhere, anytime. This document provides insight into how to make wireless technology a cornerstone of the efficient delivery of IT services in the healthcare industry.
Posted: 27 Oct 2011 | Published: 27 Oct 2011

HP and Intel

Balancing the Mobile Data Load
sponsored by ComputerWeekly.com
WHITE PAPER: The proliferation of mobile broadband devices along with the unlimited data bundles from the operators has led to network congestion and deteriorating network quality.
Posted: 21 Oct 2011 | Published: 21 Oct 2011

ComputerWeekly.com

Upgrading to 802.11n
sponsored by Juniper Networks, Inc.
EGUIDE: This E-Guide identifies key questions that enterprise customers should ask prospective WLAN vendors and also provides a list of vendors that will suit the needs specific to your business.
Posted: 18 Jan 2012 | Published: 18 Jan 2012

Juniper Networks, Inc.

Planning for and Managing the Future of your Network
sponsored by Quest Software
WHITE PAPER: This white paper delivers best practices for helping you with network planning and expansion. From design considerations to business needs, get the information you need to build a successful network plan.
Posted: 10 Feb 2012 | Published: 10 Feb 2012

Quest Software

CW+: Mobile payments market opportunities for business
sponsored by ComputerWeekly.com
WHITE PAPER: The definition of a mobile payment is often open to interpretation and can differ from source to source.    Juniper Research has a simple definition of a mobile payment as “payment for goods or services with a mobile device such as a phone, Personal Digital Assistant (PDA), or other such device.”
Posted: 21 Oct 2011 | Published: 21 Oct 2011

ComputerWeekly.com

O'Keeffe & Swartz Chooses HP Networking in Converged Infrastructure Implementation
sponsored by HP and Intel
CASE STUDY: Requiring a high performance, scalable and reliable networking infrastructure at its new facilities, O'Keeffe & Swartz turned to HP. With support for IP telephony a requirement, an HP Converged Infrastructure was deployed, along with Mitel IP telephony and HP Networking Software.
Posted: 16 Mar 2011 | Published: 16 Mar 2011

HP and Intel

CW+ Quocirca report: Standardised battlefield SOA
sponsored by ComputerWeekly.com
WHITE PAPER: Enabling Network Centric Operations through the provision of inclusive, adaptive information networks in harsh and rapidly changing situations.
Posted: 21 Oct 2011 | Published: 21 Oct 2011

ComputerWeekly.com

Retailers Gain Simple, Budget-Friendly WLAN Options
sponsored by Aerohive Networks
WHITE PAPER: This whitepaper explores new WLAN architectures and deployment models that have emerged which offer more options to help retailers get what they need while sticking to their budgets.
Posted: 13 Jan 2012 | Published: 13 Jan 2012

Aerohive Networks

How to Choose a Retail Management System
sponsored by Sage Software
WHITE PAPER: In this white paper, gain insight into how to choose a retail management system that fits the needs of your business. Get tips on how to know whether or not you're ready to buy the software, essential features to look for, and the most common mistakes companies make when selecting their system.
Posted: 06 Jan 2012 | Published: 06 Jan 2012

Sage Software

eGuide: Microsoft Hyper-V: Improving Availability, Management, and Performance
sponsored by Dell and Microsoft
EGUIDE: Despite the obvious advantages associated with Microsoft Hyper-V, this virtualization platform does not come without its availability and resiliency challenges. In this expert E-Guide, brought to you by SearchWindowsServer.com, Dell and Microsoft, you will gain insight into the improvements made to Hyper-V by Windows Server 2008 R2.
Posted: 10 Aug 2009 | Published: 10 Aug 2009

Dell and Microsoft

Wireless Resource Management For Maximum Reliability and Scalability
sponsored by Juniper Networks, Inc.
WHITE PAPER: This white paper explores a scalable, high performance, easily managed WLAN solution that intelligently and effectively manages all network resources to deliver optimized performance and scalability.
Posted: 18 Jan 2012 | Published: 18 Jan 2012

Juniper Networks, Inc.

Maximize IT Uptime with Dependable Sun SPARC Enterprise T5120 and Sun SPARC Enterprise T5220 Servers
sponsored by Oracle Corporation
WHITE PAPER: Oracle’s Sun SPARC Enterprise T5120 and Sun SPARC Enterprise T5220 servers provide excellent RAS characteristics that are ideal for maximizing the uptime of business-critical IT services. Highly reliable parts and a relatively low total component count minimize the risk of system errors.
Posted: 01 Oct 2010 | Published: 01 Oct 2010

Oracle Corporation

CW+: Special report on SAP
sponsored by ComputerWeekly.com
WHITE PAPER: Enterprise resource leader, SAP founded in 1972, is facing the slow death of traditional on-premise ERP. Customers with shrinking IT budgets are opting to outsource more of their core business systems.
Posted: 21 Oct 2011 | Published: 21 Oct 2011

ComputerWeekly.com
 
 
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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