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Naslov:A survey of communication systems and modulation schemes for spectrum sensing by cognitive radio
Avtorji:ID Sharma, Mrinal (Avtor)
ID Singh, Gagandeep (Avtor)
ID Gupta, Rajan (Avtor)
Datoteke:URL http://www.erpublications.com/uploaded_files/download/download_09_08_2014_18_39_39.pdf
 
Jezik:Angleški jezik
Vrsta gradiva:Neznano
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:UNG - Univerza v Novi Gorici
Opis:The growth of wireless applications and spectral limitations are grave anxiety for the military service and for civilian communities. A particular spectrum task force set up by Federal Communications Commission discloses that in many bands spectrum access is a more important problem than physical scarcity of the spectrum. This is in part because present systems use a procedure draw up in the1920s where different frequency bands are allocated to users or service providers, and licenses are needed to operate with those bands. To avail unused spectrum more efficiently in dynamic environments, we desire a communication system that adapts to rapidly changing environmental conditions while ensuring that minimal or at least manageable interference is introduced to existing users. Such a technology is known as cognitive radio (CR) technology. Transform domain communication system (TDCS) and wavelet domain communication system (WDCS) have been reported to have interference avoiding capability under hostile environmental conditions. Conventionally, the Pseudo Random phase vectors in TDCS and WDCS were generated by a maximum length binary Pseudo Random sequence, which allows only a relatively small amount of users in the systems. This paper reports a method of Digital modulations schemes (FSK, PSK, CSK) and communications systems (TDCS,WDCS) for efficient utilization of the spectrum in Cognitive radio.
Ključne besede:cognitive radio, TDCS, WDCS, spectrum sensing
Leto izida:2014
Št. strani:str. 365-376
Številčenje:Vol. 3, no. 7
PID:20.500.12556/RUNG-6404 Novo okno
COBISS.SI-ID:58098947 Novo okno
UDK:004
ISSN pri članku:2319-7463
NUK URN:URN:SI:UNG:REP:R9NUQ7F6
Datum objave v RUNG:02.04.2021
Število ogledov:2856
Število prenosov:14
Metapodatki:XML DC-XML DC-RDF
:
SHARMA, Mrinal, SINGH, Gagandeep in GUPTA, Rajan, 2014, A survey of communication systems and modulation schemes for spectrum sensing by cognitive radio. International journal of enhanced research in science technology and engineering [na spletu]. 2014. Vol. 3, no. 7, p. 365–376. [Dostopano 14 april 2025]. Pridobljeno s: http://www.erpublications.com/uploaded_files/download/download_09_08_2014_18_39_39.pdf
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Naslov:International journal of enhanced research in science technology and engineering
Skrajšan naslov:Int. j. enhanc. res. sci. technol. eng.
Založnik:ER Publications
ISSN:2319-7463
COBISS.SI-ID:58095875 Novo okno

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