About: Multicarrier Communication System Optimization Based on Modified Greedy Bit Loading Algorithm

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper deals with the optimization of multicarrier modulation technique using bit and power loading algorithm. The results from channel spectrum sensing are exploited for the optimization, having in mind the sensing imperfection. The simplest and most common method of spectrum sensing - the energy detection principle based periodogram method is considered. The new modified version of greedy algorithm has been proposed in order to limit the potential interferences caused by the imperfect spectrum sensing and resulting improper frequency band allocation, to cognitive radio primary users. As the inputs to the optimization, the measured TV band signals have been used. In order to get the real data samples, a Humax F3-FOX T receiver intermediate frequency signal was digitized using a GaGe CompuScope 12400 analog input PC card. This paper deals with the optimization of multicarrier modulation technique using bit and power loading algorithm. The results from channel spectrum sensing are exploited for the optimization, having in mind the sensing imperfection. The simplest and most common method of spectrum sensing - the energy detection principle based periodogram method is considered. The new modified version of greedy algorithm has been proposed in order to limit the potential interferences caused by the imperfect spectrum sensing and resulting improper frequency band allocation, to cognitive radio primary users. As the inputs to the optimization, the measured TV band signals have been used. In order to get the real data samples, a Humax F3-FOX T receiver intermediate frequency signal was digitized using a GaGe CompuScope 12400 analog input PC card. (en)
Title	Multicarrier Communication System Optimization Based on Modified Greedy Bit Loading Algorithm Multicarrier Communication System Optimization Based on Modified Greedy Bit Loading Algorithm (en)
skos:prefLabel	Multicarrier Communication System Optimization Based on Modified Greedy Bit Loading Algorithm Multicarrier Communication System Optimization Based on Modified Greedy Bit Loading Algorithm (en)
skos:notation	RIV/00216305:26220/10:PU87811!RIV11-GA0-26220___
http://linked.open...avai/riv/aktivita	P R S Z
http://linked.open...avai/riv/aktivity	P(GA102/09/0776), P(GD102/08/H027), P(OC09016), R, S, Z(MSM0021630513)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Povalač, Karel Maršálek, Roman
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta elektrotechniky a komunikačních technologií
http://linked.open...dnocenehoVysledku	273055
http://linked.open...ai/riv/idVysledku	RIV/00216305:26220/10:PU87811
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Spectrum Sensing, Greedy Algorithm, Probability of False Alarm, multicarrier communications, cognitive radio (en)
http://linked.open.../riv/klicoveSlovo	Greedy Algorithm Probability of False Alarm cognitive radio multicarrier communications Spectrum Sensing
http://linked.open...ontrolniKodProRIV	[3947D43E540D]
http://linked.open...v/mistoKonaniAkce	Dubrovník
http://linked.open...i/riv/mistoVydani	Neuveden
http://linked.open...i/riv/nazevZdroje	Proceedings of 20th International Conference on Applied Electromagnetics and Communications ICECom 2010
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Algorithms and subsystems for software defined and cognitive multicarrier radio Advanced Methods, Structures and Components of Electronic Wireless Communication Components of advanced radio-communication systems (CARS)
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Maršálek, Roman Povalač, Karel
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2010-09-20 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Advanced Electronic Communication Systems and Technologies (ELCOM)
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Neuveden
https://schema.org/isbn	978-953-6037-58-2
http://localhost/t...ganizacniJednotka	26220

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