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The technical-economics of spectrum use in the GÇÿC-BandGÇÖ downlink band (3400 GÇô4200 MHz); satellite vs. mobile broadband
2015 Edition, December 1, 2015 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Proponents of satellite use of C-Band have presented economic and technical studies suggesting the band be preserved exclusively for satellite use. Proponents of using the band to support small cell...

Securing dynamic spectrum use
2004 Edition, Volume 2, January 1, 2004 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

We consider the problem of securely utilizing dynamic temporal and spatial "holes" in the communications spectrum. Given a model of spectral availability, we consider the problems of secure link establishment, authentication, and a secure...

Two days of spectrum use in Europe
2012 Edition, June 1, 2012 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In this paper we report on spectrum use measurements carried out synchronously over the period of 48+ hours in seven European cities. Special care has been placed on harmonizing the measurement settings and equipment so as to obtain as comparable...

An innovative method for quantifying spectrum use
1989 Edition, January 1, 1989 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A method is presented for quantifying and graphically portraying the extent of use of a frequency band by existing radiocommunication systems. The spectrum use factor quantifies the resources used in a frequency...

Dynamic & Efficient Spectrum Use [Standards]
2007 Edition, Volume 2, June 1, 2007 - IEEE - Institute of Electrical and Electronics Engineers, Inc.
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Distributed flexible spectrum use for uncoordinated scenarios
2009 Edition, September 1, 2009 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Data rates are growing, and limited availability of spectrum drives wireless systems to use higher center frequencies, leading to smaller cell sizes in wireless communication systems. This requires new solutions for dealing with deployments of much larger number...

Multi-level modeling of spectrum use
2012 Edition, August 1, 2012 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Spectrum modeling represents an important tool, of the cognitive radio concept. Number of works have focused on developing accurate methods for modeling the spectrum usage in order to provide reliable and efficient assessment of the...

Environmental, technical, economics and policy issues of the master plan for the renewable hydro and geothermal energy resources in Iceland
2007 Edition, September 1, 2007 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Iceland is blessed with renewable energy resources of hydro and geothermal energy. Only a portion of these energy resources has been harnessed so far. Further development of these resources will be a big challenge, consolidating various views. There is a range of...

PHSCR: Particle Swarm Optimization Based Handoff Spectrum Using Cognitive Radio
2018 Edition, October 1, 2018 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Fixed licensed spectrum bands are limited in number, so a new technique is needed that will use the unlicensed available spectrum bands. This technique is known as cognitive radio network (CRN). A secondary user tries to use the...

Enhanced OFDM techniques for fragmented spectrum use
2013 Edition, July 1, 2013 - Authors

OFDM has been selected as the basic technology for most of the recent and emerging broadband wireless systems. It is under consideration also for co-existence scenarios where unused frequency slots between narrowband radio channels are aggregated for broadband...

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