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| rdf:type
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| Description
| - In the recent days, the needs to transfer more data by more users is increasing dramatically. In association with this fact comes to the foreground the efficiency of bandwidth utilization, as the bandwidth is the determining limit factor for growth of this requirement. In the last years in order to ease the pressure of this necessity, the modulations were transformed from simple analog(AM, FM and AM) to simple digital modulations (ASK, FSK, PSK) and complex digital multistate modulations (M-PSK and MQAM). The authors are focused on evolution of particular stages in the development of modern communication systems as seen from the perspective of digital modulations (4PSK, 8PSK, 16PSK 32PSK, 4QAM, 8QAM, 16QAM, 32QAM and 64QAM). These digital modulations are investigated with the eyes on the design of digital communication system (efficiency in utilization of bandwidth, of power and cost). The probability of wrong input for the selected modulations was theoretically calculated. These results were compared with the direct measurement of bit error rate (BER) while using the PXI modular systems and LabVIEW development environment. On real measurements using the vector signal generator RF VSG NI PXI-5670 and vector signal analyzer RF VSA NI PXI- 5661, the authors aim to acquaint the readers with not very widespread synthetic devices in the application area of wireless transmission systems. The paper describes the generation and analysis of digitally modulated signals using hardware platform as PXI - VSG, VSA, and library functions from the additional library of Modulation Toolkit.
- In the recent days, the needs to transfer more data by more users is increasing dramatically. In association with this fact comes to the foreground the efficiency of bandwidth utilization, as the bandwidth is the determining limit factor for growth of this requirement. In the last years in order to ease the pressure of this necessity, the modulations were transformed from simple analog(AM, FM and AM) to simple digital modulations (ASK, FSK, PSK) and complex digital multistate modulations (M-PSK and MQAM). The authors are focused on evolution of particular stages in the development of modern communication systems as seen from the perspective of digital modulations (4PSK, 8PSK, 16PSK 32PSK, 4QAM, 8QAM, 16QAM, 32QAM and 64QAM). These digital modulations are investigated with the eyes on the design of digital communication system (efficiency in utilization of bandwidth, of power and cost). The probability of wrong input for the selected modulations was theoretically calculated. These results were compared with the direct measurement of bit error rate (BER) while using the PXI modular systems and LabVIEW development environment. On real measurements using the vector signal generator RF VSG NI PXI-5670 and vector signal analyzer RF VSA NI PXI- 5661, the authors aim to acquaint the readers with not very widespread synthetic devices in the application area of wireless transmission systems. The paper describes the generation and analysis of digitally modulated signals using hardware platform as PXI - VSG, VSA, and library functions from the additional library of Modulation Toolkit. (en)
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| Title
| - Design of Digital Communication System with use of RF VSG PXI-5670 and RF VSA NI PXI-5661 in role of Software Defined Radio
- Design of Digital Communication System with use of RF VSG PXI-5670 and RF VSA NI PXI-5661 in role of Software Defined Radio (en)
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| skos:prefLabel
| - Design of Digital Communication System with use of RF VSG PXI-5670 and RF VSA NI PXI-5661 in role of Software Defined Radio
- Design of Digital Communication System with use of RF VSG PXI-5670 and RF VSA NI PXI-5661 in role of Software Defined Radio (en)
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| skos:notation
| - RIV/61989100:27240/11:86080524!RIV12-MSM-27240___
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| http://linked.open...avai/predkladatel
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
| |
| http://linked.open...iv/duvernostUdaju
| |
| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
| |
| http://linked.open...ai/riv/idVysledku
| - RIV/61989100:27240/11:86080524
|
| http://linked.open...riv/jazykVysledku
| |
| http://linked.open.../riv/klicovaSlova
| - Flexible Measuring Systems, Modulation Techniques, Modulation Toolkit.; Communication Systems; Synthetic (Virtual) Instrument; BER; RF VSA NI PXI-5661; RF VSG NI PXI-5670 (en)
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| http://linked.open.../riv/klicoveSlovo
| |
| http://linked.open...ontrolniKodProRIV
| |
| http://linked.open...v/mistoKonaniAkce
| |
| http://linked.open...i/riv/mistoVydani
| |
| http://linked.open...i/riv/nazevZdroje
| - Knowledge in Telecommunication Technologies and Optics : proceedings of the 11th international conference : KTTO 2011
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| http://linked.open...in/vavai/riv/obor
| |
| http://linked.open...ichTvurcuVysledku
| |
| http://linked.open...cetTvurcuVysledku
| |
| http://linked.open...UplatneniVysledku
| |
| http://linked.open...iv/tvurceVysledku
| - Martinek, Radek
- Tomala, Karel
- Žídek, Jan
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| http://linked.open...vavai/riv/typAkce
| |
| http://linked.open.../riv/zahajeniAkce
| |
| number of pages
| |
| http://purl.org/ne...btex#hasPublisher
| - Vysoká škola báňská - Technická univerzita Ostrava
|
| https://schema.org/isbn
| |
| http://localhost/t...ganizacniJednotka
| |
| is http://linked.open...avai/riv/vysledek
of | |
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