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  4. Cognitive Full Spectrum Access based on FFT Permutation Waveforms
 
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Title

Cognitive Full Spectrum Access based on FFT Permutation Waveforms

Date Issued
2014
Author(s)
Venkatasubramanian, Venkatkumar
Haustein, Thomas
Patent No
2797274
Abstract
EP2797274A1 [EN] An apparatus for generating a manipulated time-domain signal for transmitting a plurality of data symbols is provided. The apparatus comprises a modulation unit 110 for modulating the data symbols on one or more first subcarriers, wherein the modulation unit is configured to not load the data symbols on one or more second subcarriers, wherein each of the one or more second subcarriers is different from each of the one or more first subcarriers. Moreover, the apparatus comprises transformation unit 120 for transforming the one or more first subcarriers and the one or more second subcarriers to a time-domain to obtain a transformed time-domain signal. Furthermore, the apparatus comprises a manipulation module 130 for invertibly modifying the transformed time-domain signal according to a first modification rule to obtain the manipulated time-domain signal.
Language
Englisch
Institute
HHI
Link
http://worldwide.espacenet.com/publicationDetails/biblio?DB=worldwide.espacenet.com&locale=en_EP&FT=D&CC=EP&NR=2797274A1
Patenprio
EP 2797274 A1: 20130425
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