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Packet transmission time for cognitive radio networks considering interference from primary user
Blekinge Tekniska Högskola, Sektionen för datavetenskap och kommunikation.
Blekinge Tekniska Högskola, Sektionen för datavetenskap och kommunikation.ORCID-id: 0000-0003-3604-2766
Blekinge Tekniska Högskola, Sektionen för datavetenskap och kommunikation.
Blekinge Tekniska Högskola, Sektionen för datavetenskap och kommunikation.
2013 (engelsk)Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

In this paper, we investigate a downlink model for underlay cognitive radio networks (CRNs). In particular, we assume that the secondary transmitter (SU-Tx) sends common packets to secondary receivers (SU-Rx) under the outage constraint of a single primary user (PU) and the peak transmit power constraint of the SU-Tx. All channels undergo Rayleigh fading. Given these settings, an adaptive transmit power policy for the SU-Tx is considered. Moreover, the cumulative distribution function (CDF) and probability density function (PDF) for packet transmission time are derived to analyze the timeout probability, the average packet transmission time and the average time a packet spends in the system for the SU-Rx having the best channel condition. Numerical results are provided to investigate the impact of the PU transmit power and channel mean powers on secondary network performance. The results show that when the number of SU-Rx becomes large, the timeout probability and the packet average time in the system decrease to a minimum.

sted, utgiver, år, opplag, sider
Sardinia, Italy: IEEE , 2013.
Emneord [en]
Packet transmission time, cognitive radio networks, interference, primary user
HSV kategori
Identifikatorer
URN: urn:nbn:se:bth-6781DOI: 10.1109/IWCMC.2013.6583658ISI: 000327357800131Lokal ID: oai:bth.se:forskinfoF35EC7B70C0D3500C1257BD7005A8317ISBN: 978-1-4673-2479-3 (tryckt)OAI: oai:DiVA.org:bth-6781DiVA, id: diva2:834325
Konferanse
International Wireless Communications and Mobile Computing Conference
Tilgjengelig fra: 2014-01-07 Laget: 2013-08-30 Sist oppdatert: 2021-05-03bibliografisk kontrollert

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Sibomana, LouisZepernick, Hans-JürgenTran, HungKabiri, Charles

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Totalt: 33 treff
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