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Statements

Subject Item
n2:RIV%2F61989100%3A27240%2F11%3A86080528%21RIV13-MSM-27240___
rdf:type
n8:Vysledek skos:Concept
dcterms:description
The speed at which new digital communication systems are being developed is has been increasing dramatically. Growing quantity of transmitted information and growing quantity of users require development of modern communication systems based on new principles; existing systems are quickly becoming obsolete technologically. Digital radio and television broadcasting (DVB-T, DVB-T2), which breaks down into three options - satellite, cable and terrestrial systems expanded massively in the Czech Republic in 2010. Multistate digital modulation M-QAM is used for transmission of information in these systems. This article is focused on analysis of digitally modulated signals in communication systems which use software defined radio concept and modern synthetic instruments. Authors of this article present real results, which illustrate link between number of symbols in M-state QAM modulation, SNR and BER. Constellation diagrams of transmitted and received symbols (with superposition of noise) are presented in the article. Simple picture is transmitted through simulated radio channel to show the result of signal impairments. Experiments were done using software defined radio concept of communication system. Modular PXI HW platform was used in connection with graphically oriented development environment. This combination of modular HW and flexible SW components allows changing the communication protocol, modulation scheme, frequency bandwidth and other parameters in a very simple way by changing the software part of the system The speed at which new digital communication systems are being developed is has been increasing dramatically. Growing quantity of transmitted information and growing quantity of users require development of modern communication systems based on new principles; existing systems are quickly becoming obsolete technologically. Digital radio and television broadcasting (DVB-T, DVB-T2), which breaks down into three options - satellite, cable and terrestrial systems expanded massively in the Czech Republic in 2010. Multistate digital modulation M-QAM is used for transmission of information in these systems. This article is focused on analysis of digitally modulated signals in communication systems which use software defined radio concept and modern synthetic instruments. Authors of this article present real results, which illustrate link between number of symbols in M-state QAM modulation, SNR and BER. Constellation diagrams of transmitted and received symbols (with superposition of noise) are presented in the article. Simple picture is transmitted through simulated radio channel to show the result of signal impairments. Experiments were done using software defined radio concept of communication system. Modular PXI HW platform was used in connection with graphically oriented development environment. This combination of modular HW and flexible SW components allows changing the communication protocol, modulation scheme, frequency bandwidth and other parameters in a very simple way by changing the software part of the system
dcterms:title
Analysis of M State Digitally Modulated Signals in Communication Systems Based on SDR Concept Analysis of M State Digitally Modulated Signals in Communication Systems Based on SDR Concept
skos:prefLabel
Analysis of M State Digitally Modulated Signals in Communication Systems Based on SDR Concept Analysis of M State Digitally Modulated Signals in Communication Systems Based on SDR Concept
skos:notation
RIV/61989100:27240/11:86080528!RIV13-MSM-27240___
n8:predkladatel
n21:orjk%3A27240
n3:aktivita
n19:S
n3:aktivity
S
n3:dodaniDat
n16:2013
n3:domaciTvurceVysledku
n4:5156599 Al-Wohaishi, Mohamed Hussein Saleh n4:8538689
n3:druhVysledku
n17:D
n3:duvernostUdaju
n22:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
185690
n3:idVysledku
RIV/61989100:27240/11:86080528
n3:jazykVysledku
n14:eng
n3:klicovaSlova
transmission radio channel, communication system, LabVIEW; synthetic instrumentation; SNR; BER; constellation diagram; software defined radio; M-QAM modulation
n3:klicoveSlovo
n7:synthetic%20instrumentation n7:BER n7:SNR n7:constellation%20diagram n7:M-QAM%20modulation n7:communication%20system n7:transmission%20radio%20channel n7:LabVIEW n7:software%20defined%20radio
n3:kontrolniKodProRIV
[E6A20B4F2C3D]
n3:mistoKonaniAkce
Prague
n3:mistoVydani
Barcelona
n3:nazevZdroje
Proceedings of the 6th IEEE International Conference on Intelligent Data Acquisition and Advanced Computing Systems: Technology and Applications
n3:obor
n9:JC
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:rokUplatneniVysledku
n16:2011
n3:tvurceVysledku
Žídek, Jan Martinek, Radek Al-Wohaishi, Mohamed Hussein Saleh
n3:typAkce
n15:WRD
n3:zahajeniAkce
2011-09-15+02:00
s:numberOfPages
5
n18:doi
10.1109/IDAACS.2011.6072733
n12:hasPublisher
Institute of Electrical and Electronics Engineers
n20:isbn
978-1-4577-1423-8
n11:organizacniJednotka
27240