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- W2783149171 abstract "This paper presents the fundamental principles of cognitive radio RF-system. A cognitive radio system searches and identifies unoccupied part of the spectrum to achieve the optimal mode of communication by assigning the primary and/or secondary users to the appropriate channels. Two scenarios can be adapted to operate a cognitive radio device: the underlay and interweave mode of operation. Reconfigurable antennas are used to search for unoccupied spectrum and allocate the secondary users to proper bands. This motivates the design of a new compact reconfigurable ultra-wide-band (UWB) patch antenna with a total size of 23 × 25 × 4 mm enabling communication over different UWB frequencies." @default.
- W2783149171 created "2018-01-26" @default.
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- W2783149171 date "2017-09-01" @default.
- W2783149171 modified "2023-10-18" @default.
- W2783149171 title "Reconfigurable ultra-wide-band patch antenna: Cognitive radio" @default.
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- W2783149171 doi "https://doi.org/10.1109/imws-amp.2017.8247438" @default.
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