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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 Reports
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Considerations for Deploying Mobile WiMAX at Various Frequencies
sponsored by Nortel Networks Corporation
WHITE PAPER:
Mobile WiMAX technology is designed to provide high-quality, mobile broadband multimedia services; however, it presents challenges that operators need to consider before deploying their networks.
Posted: 19 Oct 2006 | Published: 01 Oct 2006
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Applying RFID Technology in High Volume Manufacturing
sponsored by Intel Corporation
WHITE PAPER:
The recent evolution of global radio frequency identification (RFID) standards is leading many manufacturers to accelerate their investigations of its potential. Read this report to explore how (RFID) technology can be used for high volume manufacturing.
Posted: 20 Aug 2007 | Published: 01 Sep 2005
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802.11n Migration
sponsored by Brocade
WHITE PAPER:
In the last few short years sales of 802.11n wireless networking gear have skyrocketed, and have effectively displaced the legacy 802.11a/b/g versions in many organizations. It's rapidly becoming the wireless technology of choice for networking professionals in all-sized organizations.
Posted: 01 Sep 2010 | Published: 01 Sep 2010
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A Guide to Effectively Managing Enterprise Wi-Fi Networks
sponsored by Motorola, Inc.
WHITE PAPER:
In order to avoid making WLAN administration a full-time headache, IT administrators who are deploying or extending enterprise WLANs must make sure that RF management is not an afterthought, but a priority. This paper will show you how to d...
Posted: 25 Oct 2007 | Published: 01 Sep 2007
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Frontline Troubleshooting Best Practices for Wired and Wireless Networks
sponsored by Fluke Networks
WEBCAST:
Learn best practices for frontline network troubleshooting. In this webcast, you will learn step-by-step techniques to help you troubleshoot both sides of the access point - 10, 100 and Gigabit, twisted pair and optical fiber...
Posted: 05 Oct 2007 | Premiered: Oct 5, 2007
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Own the Air: Testing Aruba Networks’ Adaptive Radio Management (ARM) in a High-Density Client Environment
sponsored by Aruba Networks
WHITE PAPER:
Aruba commissioned Network Test to evaluate the efficiency of Adaptive Radio Management (ARM) features. Using a massive over-the-air test bed1, Network Test assessed ARM features both individually and in concert, in the latter case using strict adherence to service-level agreements as one of the key metrics.
Posted: 08 Oct 2010 | Published: 01 Jul 2010
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RFS7000: High performance, high bandwidth RF switch for large scale deployments
sponsored by Motorola, Inc.
WHITE PAPER:
This paper discusses the challenges of managing multiple networks to access mobile data and outlines a step-by-step approach to developing a unified enterprise mobility strategy.
Posted: 29 Jun 2007 | Published: 01 Jun 2007
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Cooper University Hospital Utilizes Cisco IPT and Wireless Network to Track Equipment and Enhance Patient Safety
sponsored by Dimension Data
CASE STUDY:
After successful prior engagements, Cooper University Hospital (CUH) asked Dimension Data to implement an IP telephony (IPT) solution for its existing data center and new Medical Coordination Center (MCC).
Posted: 25 Feb 2010 | Published: 25 Feb 2010
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Do You Know Where Your Assets Are? Maximizing ROI With Radio Frequency Identification (RFID) Asset Management
sponsored by Intermec
WHITE PAPER:
This white paper examines asset tracking with RFID technology by providing a brief overview of technologies available, an explanation of how passive UHF RFID can be used for asset tracking, an exploration of who's using RFID, a discussion on deciding what to track and making a business case for RFID, and a guide to choosing the right RFID partners.
Posted: 04 Mar 2009 | Published: 04 Mar 2009
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Pinkberry Serves Up Wi-Fi Guest Services with a Side of Rewards
sponsored by AirTight Networks, Inc.
CASE STUDY:
Read on to learn how Pinkberry achieved their Wi-Fi goals and were able to swiftly roll out Wi-Fi without the need to add any additional IT staff, stay in line with Payment Cad Industry (PCI) regulations, and succeed beyond their expectations.
Posted: 13 May 2013 | Published: 25 Feb 2012
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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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