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المؤلفChamkhia H.
المؤلفHasna , Mazen
المؤلفHamila R.
المؤلفHussain S.I.
تاريخ الإتاحة2022-04-26T11:06:54Z
تاريخ النشر2012
اسم المنشورIEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC
المصدرScopus
المعرّفhttp://dx.doi.org/10.1109/PIMRC.2012.6362594
معرّف المصادر الموحدhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84871978483&doi=10.1109%2fPIMRC.2012.6362594&partnerID=40&md5=f24b125c88f537ccf222e1f9655622ea
معرّف المصادر الموحدhttp://hdl.handle.net/10576/30521
الملخصIn underlay cognitive networks with regenerative relaying, secondary users operating with primary user are adhering to stringent interference constraint which limits their transmission power and coverage area. In order not to violate this interference limit, underlay network will make the use of relays to transmit signal over the secondary network. The retransmitting relay will be selected among the available secondary users; hence, relay selection becomes more challenging due to strict interference limits. Relay selection is based not only on interference limit, but also on threshold constraint which ensure the satisfactory reception of the signal by the relays and the destination and which is an important criterion since the relaying protocol used is Decode and Forward (DF). This paper proposes three new relay selection schemes based on relay to destination link and relay to primary link qualities. We derive closed form expressions of the probability density function (PDF) of the SNR at the secondary destination, the outage probability and the average bit error probability. Analytical results are validated by simulations and they provide comparative analysis of the different relay selection scheme proposed herein.
اللغةen
الناشرIEEE
الموضوعAnalytical results
Average bit error probability
Closed-form expression
Cognitive network
Comparative analysis
Coverage area
Decode and forward
Decode-and-forward relaying
Interference constraints
Link quality
Outage probability
Performance analysis
Probability density function (pdf)
Regenerative relaying
Relay selection
Secondary networks
Transmission power
Underlay networks
Cognitive radio
Probability density function
Telecommunication repeaters
Telecommunication networks
العنوانPerformance analysis of relay selection schemes in underlay cognitive networks with Decode and Forward relaying
النوعConference Paper
الصفحات1552-1558
dc.accessType Abstract Only


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