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National Repository of Grey Literature 6 records found  Search took 0.01 seconds. 
Spectrum sensing implementation in FPGA
 Maňas, Ondřej ; Povalač, Karel (referee) ; Maršálek, Roman (advisor)
The aim of this thesis is a software modelling and hardware implementation of spectral sensing algorithm based on cyclostationary based detection. A proposed detector is fully implemented in FPGA and further tested under measurements in real RF environment.
Detailed record
Spectrum sensing in the cognitive radio networks - influence of real communication link parameters
 Lekomtcev, Demian ; Marchevský,, Stanislav (referee) ; Richterová,, Marie (referee) ; Maršálek, Roman (advisor)
The doctoral thesis deals with spectrum sensing in cognitive radio networks (CRN). A number of international organizations are currently actively engaged in standardization of CRN and it points out to the fact that this technology will be widely used in the near future. One of the key features of this technology is a dynamic access to the spectrum, which can be affected by many different harmful factors occurring in the communication chain. The thesis investigates the influence of selected factors on the spectrum sensing process. Another contribution of the work is the optimization of the Kolmogorov - Smirnov statistical test that can be applied for the primary user signal detection. The work also incorporates the analysis of the influence of the harmful effects caused by the commonly used transmitters and receivers on various spectrum sensing methods. The investigations are verified by the results of the simulations and also by the measurements with experimental platforms based on the software-defined radio (SDR).
Detailed record
Channel sensing detection in FPGA
 Jurica, Dušan ; Povalač, Karel (referee) ; Maršálek, Roman (advisor)
The scope of this work is to map both conventional and less conventional methods of signal detection in the radio channel, computer simulation of selected methods and subsequent implementation selected method (algorithm) to FPGA chip.
Detailed record
Spectrum sensing in the cognitive radio networks - influence of real communication link parameters
 Lekomtcev, Demian ; Marchevský,, Stanislav (referee) ; Richterová,, Marie (referee) ; Maršálek, Roman (advisor)
The doctoral thesis deals with spectrum sensing in cognitive radio networks (CRN). A number of international organizations are currently actively engaged in standardization of CRN and it points out to the fact that this technology will be widely used in the near future. One of the key features of this technology is a dynamic access to the spectrum, which can be affected by many different harmful factors occurring in the communication chain. The thesis investigates the influence of selected factors on the spectrum sensing process. Another contribution of the work is the optimization of the Kolmogorov - Smirnov statistical test that can be applied for the primary user signal detection. The work also incorporates the analysis of the influence of the harmful effects caused by the commonly used transmitters and receivers on various spectrum sensing methods. The investigations are verified by the results of the simulations and also by the measurements with experimental platforms based on the software-defined radio (SDR).
Detailed record
Spectrum sensing implementation in FPGA
 Maňas, Ondřej ; Povalač, Karel (referee) ; Maršálek, Roman (advisor)
The aim of this thesis is a software modelling and hardware implementation of spectral sensing algorithm based on cyclostationary based detection. A proposed detector is fully implemented in FPGA and further tested under measurements in real RF environment.
Detailed record
Channel sensing detection in FPGA
 Jurica, Dušan ; Povalač, Karel (referee) ; Maršálek, Roman (advisor)
The scope of this work is to map both conventional and less conventional methods of signal detection in the radio channel, computer simulation of selected methods and subsequent implementation selected method (algorithm) to FPGA chip.
Detailed record

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