. "The proposed project is focused on the basic research in the area of the novel communication systems based on the combination of OFDM (orthogonal frequency division multiplex) and CDMA (code division multiple access). In this broad area, the project is specialized on one of the most problematic parameter called PAPR (peak to average power ratio). Within the solution of the project, the PAPR distribution dependency on the different system parameters will be described either for different domain of spreading or for systems with so called time-frequency spreading. The possibilities of PAPR reduction will be compared and new procedures and algorithms for PAPR reduction in OFDM/CDMA systems will be proposed."@en . "Communication systems combining OFDM and CDMA and their PAPR"@en . . . "Komunika\u010Dn\u00ED syst\u00E9my kombinuj\u00EDc\u00ED OFDM a CDMA a jejich PAPR" . . "2012-12-31+01:00"^^ . " communication" . . . "0"^^ . . "1"^^ . "2014-01-27+01:00"^^ . "multicarrier" . . "Navrhovan\u00FD projekt se zam\u011B\u0159uje na z\u00E1kladn\u00ED v\u00FDzkum v oblasti nov\u00FDch komunika\u010Dn\u00EDch syst\u00E9m\u016F zalo\u017Een\u00FDch na kombinaci OFDM (ortogon\u00E1ln\u00ED frekven\u010Dn\u011B d\u011Blen\u00FD multiplex) a CDMA (k\u00F3dov\u011B d\u011Blen\u00FD multiplex).V r\u00E1mci problematiky t\u011Bchto syst\u00E9m\u016F je n\u00E1vrh zam\u011B\u0159en na jeden z nejv\u00EDce probl\u00E9mov\u00FDch parametr\u016F, co\u017E je PAPR (pom\u011Br \u0161pi\u010Dkov\u00E9ho ku st\u0159edn\u00EDmu v\u00FDkonu). V r\u00E1mci \u0159e\u0161en\u00ED projektu bude pops\u00E1na charakteristika distribuce hodnot PAPR v z\u00E1vislosti na r\u016Fzn\u00FDch parametrech syst\u00E9mu a\u0165 ji\u017E pro r\u016Fzn\u00E9 dom\u00E9ny rozprost\u00EDr\u00E1n\u00ED, tak i pro syst\u00E9my s tzv. \u010Dasov\u011B-frekven\u010Dn\u00EDm rozprost\u00EDr\u00E1n\u00EDm. Pro dan\u00E9 parametry syst\u00E9mu budou srovn\u00E1ny mo\u017Enosti redukce PAPR a navr\u017Eeny nov\u00E9 postupy a algoritmy pro redukci PAPR v syst\u00E9mech OFDM/CDMA." . . . . " systems" . " OFDM/CDMA" . "0"^^ . . "Projekt byl zam\u011B\u0159en na teoretick\u00FD a experiment\u00E1ln\u00ED v\u00FDzkum komunika\u010Dn\u00EDch syst\u00E9m\u016F zalo\u017Een\u00FDch na k\u00F3dov\u00E9m multiplexu CDMA a ortogon\u00E1ln\u00EDm frekven\u010Dn\u00EDm multiplexu (OFDM). V r\u00E1mci \u0159e\u0161en\u00ED projektu byla navr\u017Eena a ov\u011B\u0159ena nov\u00E1 metoda pro sn\u00ED\u017Een\u00ED pom\u011Bru \u0161pi\u010Dkov\u00E9ho k st\u0159edn\u00EDmu v\u00FDkonu (PAPR). V\u00FDsledky byly publikov\u00E1ny ve \u010Dty\u0159ech \u010Dasopiseck\u00FDch publikac\u00EDch a na mezin\u00E1rodn\u00EDch konferenc\u00EDch."@cs . "multicarrier; communication; systems; OFDM/CDMA; PAPR"@en . "http://www.isvav.cz/projectDetail.do?rowId=GPP102/10/P513"^^ . . . . . "2012-03-30+02:00"^^ . "GPP102/10/P513" . . "2010-01-01+01:00"^^ . "13"^^ . . "The project was aimed at research of communication systems based on Orthogonal Frequency Division Multiplex (OFDM) and Code Division Multiple Access (CDMA). Within the project novel way of reduction of the Peak-to-Average Power Ratio (PAPR) parameter was proposed and evaluated. Results were published in 4 articles in impacted journals, and presented in international conferences."@en . "13"^^ .