Type

Journal Article

Authors

Paul David Sutton
Keith Edward Nolan
Linda Doyle

Subjects

Computer Science

Topics
cognitive radio frequency division network coordination dynamic spectrum access cyclostationary signatures network rendezvous signal detection digital communications

Cyclostationary signatures in practical cognitive radio applications (2008)

Abstract We define a cyclostationary signature as a feature which may be intentionally embedded in a digital communications signal, detected through cyclostationary analysis and used as a unique identifier. The purpose of this paper is to demonstrate how cyclostationary signatures can be exploited to overcome a number of the challenges associated with network coordination in emerging cognitive radio applications and spectrum sharing regimes. In particular we show their uses for signal detection, network identification and rendezvous and discuss these in the context of dynamic spectrum access. We present a theoretical discussion followed by application-oriented examples of the cyclostationary signatures used in practical cognitive radio and dynamic spectrum usage scenarios. We focus on orthogonal frequency division multiplexing (OFDM) based systems and present an analysis of a transceiver implementation employing these techniques developed on a cognitive radio test platform.
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Full list of authors on original publication

Paul David Sutton, Keith Edward Nolan, Linda Doyle

Experts in our system

1
Keith Edward Nolan
Trinity College Dublin
Total Publications: 29
 
2
Linda Doyle
Trinity College Dublin
Total Publications: 68