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Cognitive Relay Net...
Cognitive Relay Networks With Multiple Primary Transceivers Under Spectrum-Sharing
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- Duong, Quang Trung (författare)
- Blekinge Tekniska Högskola,Avdelningen för signalbehandling
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Yeoh, Phee Lep (författare)
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Vo, Nguyen Quoc Bao (författare)
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Elkashlan, Maged (författare)
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Yang, Nan (författare)
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(creator_code:org_t)
- IEEE, 2012
- 2012
- Engelska.
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Ingår i: IEEE Signal Processing Letters. - : IEEE. - 1070-9908 .- 1558-2361. ; 19:11, s. 741-744
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We examine the impact of multiple primary transmitters and receivers (PU-TxRx) on the outage performance of cognitive decode-and-forward relay networks. In such a joint relaying/spectrum-sharing arrangement, we address fundamental questions concerning three key power constraints: 1) maximum transmit power at the secondary transmitter (SU-Tx), 2) peak interference power at the primary receivers (PU-Rx), and 3) interference power at SU-Rx caused by the primary transmitter (PU-Tx). Our answers to these are given in new analytical expressions for the exact and asymptotic outage probability of the secondary relay network. Based on our asymptotic expressions, important design insights into the impact of primary transceivers on the performance of cognitive relay networks is reached. We have shown that zero diversity order is attained when the peak interference power at the PU-Rx is independent of the maximum transmit power at the SU-TX.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
Nyckelord
- Cognitive radio
- DF relays
- spectrum-sharing
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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