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Medium access in cognitive radio networks: From single hop to multiple hops

Jiao, Lei
Doctoral thesis, Peer reviewed
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URI
http://hdl.handle.net/11250/137634
Date
2012
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  • Doctoral Dissertations [456]
  • PhD theses in Engineering and Sciences [129]
Original version
Jiao, L. (2012). Medium access in cognitive radio networks: From single hop to multiple hops. PhD, University of Agder, Kristiansand, Norway.  
Abstract
If channel assembling is enabled, this technique can be utilized for potential performance improvement in CRNs. Two use cases are envisaged for channel assembling. In the first use case, the system can accommodate parallel SU services in multiple channels, while in the second use case, the system allows only one SU service at a time. In the use case where parallel SU services are allowed, various channel assembling strategies are proposed and modeled in order to investigate their performance and to acquire better comprehension of the behavior of CRNs with channel assembling. Moreover, the capacity upper bound for CRNs with channel assembling in the quasistationary regime is derived. In the use case when there is only one SU service that can utilize the vacant channels at a time, we formulate channel access into two optimization problems on power allocation in multi-channel CRNs and propose various algorithms to solve these problems …
Description
Doktorgradsavhandling i informasjons- og kommunikasjonsteknologi, Universitetet i Agder, Grimstad, 2012
Publisher
Universitetet i Agder / University of Agder
Series
Doctoral dissertations at the University of Agder;50

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