spectrum cognitive radio
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Potential Cognitive Radio Denial of Service Attacks and Remedies
White Paper Cognitive radios sense spectrum activity and apply spectrum policies in order to make decisions on when and in what bands they may communicate. The goal is to assist... [20 Jun 2009]
Potential Cognitive Radio Denial-of-Service Vulnerabilities and Protection Countermeasures: A Multi-Dimensional Analysis and Assessment
White Paper Cognitive radios sense spectrum activity and apply spectrum policies in order to make decisions on when and in what bands they may communicate. An analysis of how vulnerable are victim... [20 Jun 2009]
Peter Cochrane's Blog: We have plenty of radio spectrum
Comment I keep hearing presentations and reading reports and articles that paint a worrying picture of a world running short of radio spectrum. But in the back of my mind I have the recollection of being on the... [09 Jun 2009]
A Framework for Cognitive WiMAX With Frequency Agility
White Paper Cognitive radios have the ability to sense the radio spectrum environment and to switch dynamically to available frequency ranges. In the proposed cognitive WiMAX... [22 Apr 2009]
Ultra Wide Bandwidth Communications Towards Cognitive Radio
White Paper Cognitive Radio (CR) is an emerging approach for a more flexible usage of the precious radio spectrum resources. Finally, it shows the great potential of the UWB... [11 Jul 2008]
Coexistence Issues in Cognitive Radios Based on Ultra-Wide Bandwidth Systems
White Paper Then, based on this methodology the paper shows the great potential of the UWB technology in adapting the transmitted spectrum to counteract NB interference and at the same time to guarantee low spectral emissions over... [11 Jul 2008]
Distributed Load Balancing Algorithm for Adaptive Channel Allocation for Cognitive Radios
White Paper The growing interest in the cognitive radio technology and its capability to offer more efficient spectrum usage brought this problem back as one of the most popular research topics... [10 Jul 2008]
Ofcom plots digital dividend free-for-all
News Ofcom is also proposing to allow a wireless technology known as cognitive radio to use part of the digital dividend known as interleaved spectrum, which is the white space that exists... [14 Dec 2007]
Spectrum Shaping for Interference Management in Cognitive Radio Networks
White Paper Most dynamic spectrum access research centers on determining the set of frequencies being used by spectrum license holders, taking its converse, and from what remains selecting the optimal subset of... [13 Apr 2007]
Adaptive OFDM System Design for Cognitive Radio
White Paper Recently, Cognitive Radio has been proposed as a promising technology to improve spectrum utilization. A highly flexible OFDM system is considered to be a good candidate for the... [11 Apr 2007]
US Election 2004: Bush and Kerry hold forth on tech issues
News Bush and Kerry, both looking to gain an edge in what might be an extremely close race, expressed their views on 12 topics, which also included spam, privacy and unlicensed wireless spectrum. The candidates were also... [22 Oct 2004]
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