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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 CommunicationsWhite Papers (View All Report Types)
 
 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

Brocade

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

Nortel Networks Corporation

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

Motorola, Inc.

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

Intermec

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

Motorola, Inc.

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

Aruba Networks

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

Intel Corporation

Rethinking People Costs in Enterprise IT
sponsored by Rackspace
WHITE PAPER: In this white paper, learn how to assess your IT people spend and position IT as a central driver of business growth. Discover how to cut costs while increasing efficiency with an effective outsourcing strategy that includes a hybrid cloud environment with server virtualization.
Posted: 15 Oct 2014 | Published: 12 Aug 2014

Rackspace

Understanding the Vendor Neutral Archive
sponsored by BridgeHead Software
WHITE PAPER: Implementing a VAN can be rewarding for your organization, but it's critical that organizational strategies and objectives are understood to assure that all IT and service needs are met. This white paper analyzes factors that can affect a VNA deployment and considerations for a strategic deployment of a VNA.
Posted: 19 Sep 2014 | Published: 30 Apr 2014

BridgeHead Software

Journey to IT-as-a-Service Powered by Software-Defined Data Centers: An Executive Summary
sponsored by VMware, Inc.
WHITE PAPER: Business demands today are 24/7. This exclusive whitepaper explores the role IT-as-a-Service can play in meeting these demands.
Posted: 08 Oct 2014 | Published: 12 Sep 2013

VMware, Inc.
 
 
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 … 
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