Browsing School of Engineering by Author "NOLAN, KEITH EDWARD"
Now showing items 1-18 of 18
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Bandwidth-adaptive waveforms for dynamic spectrum access networks
DOYLE, LINDA; NOLAN, KEITH EDWARD; SUTTON, PAUL DAVID (IEEE, 2008)This paper presents a novel solution to the challenge of waveform bandwidth estimation in DySPAN systems using intentionally embedded cyclostationary signatures. Dynamic spectrum access networks (DySPANs) achieve high ... -
Cognitive Radio: Ten Years of Experimentation and Development
NOLAN, KEITH EDWARD; DOYLE, LINDA (2011) -
Cyclostationary signatures for rendezvous in OFDM-based dynamic spectrum access networks
DOYLE, LINDA; NOLAN, KEITH EDWARD; SUTTON, PAUL DAVID (IEEE, 2007)Abstract?Distributed coordination of operating frequencies and bandwidths is one of the key challenges in the development of dynamic spectrum access (DSA) technology. The spectrum efficiency of DSA networks is achieved ... -
Cyclostationary signatures in practical cognitive radio applications
DOYLE, LINDA; NOLAN, KEITH EDWARD; SUTTON, PAUL DAVID (IEEE, 2008)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 ... -
Demonstration and analyses of collaboration, co-existence, and interoperability of cognitive radio platforms
DOYLE, LINDA; NOLAN, KEITH EDWARD; SUTTON, PAUL DAVID (IEEE, 2007)The Centre for Telecommunications Value-Chain Research (CTVR) and the Center for Wireless Telecommunications (CWT) are undertaking a joint collaborative research project investigating the potential of different ... -
Dynamic spectrum access and coexistence experiences involving two independently developed cognitive radio testbeds
DOYLE, LINDA; NOLAN, KEITH EDWARD; SUTTON, PAUL DAVID (IEEE, 2007)The Centre for Telecommunications Value-Chain Research (CTVR) and the Center for Wireless Telecommunications (CWT) are carrying out joint research work investigating the potential of different software-defined radio ... -
Enabling dynamic spectrum access using SS-MC-CDMA
DOYLE, LINDA; NOLAN, KEITH EDWARD; SARATH, DEEPAK; SUTTON, PAUL DAVID (IEEE, 2007)The demand for frequency spectrum and diversity of wireless devices accessing this spectrum depends upon the time of day, the characteristics of a frequency band, and the geographical location of the observer/wireless ... -
An encapsulation for reasoning, learning, knowledge representation, and reconfiguration cognitive radio elements
DOYLE, LINDA; NOLAN, KEITH EDWARD; SUTTON, PAUL DAVID (IEEE, 2007)State and contextual awareness, reasoning and conclusions formation, and a means of directing application, structural and parameter-level radio reconfiguration are key elements of a cognitive radio. This paper describes a ... -
Exploring the reconfigurability options of multi-carrier CDMA in cognitive radio systems
DOYLE, LINDA; NOLAN, KEITH EDWARD; SARATH, DEEPAK; SUTTON, PAUL DAVID (IEEE, 2007)The ever-increasing demands for access to frequency spectrum and more efficient methods of using this spectrum involving multi-carrier techniques are driving the development of reconfigurable and cognitive wireless devices. ... -
Flexible architecture software radio OFDM transceiver system and frame synchronization analysis
DOYLE, LINDA; NOLAN, KEITH EDWARD (IEEE, 2003)Abstract-In this paper, we present findings relating to frame synchronization algorithms for software radio based OFDM systems in addition to an overview of the design and implementation of an (OFDM) Software Radio based ... -
Modulation scheme classification for 4G software radio wireless networks
DOYLE, LINDA; NOLAN, KEITH EDWARD; O'MAHONY, DONAL EDWARD (2002)This paper describes software radio and a software radio technique for automatic digital modulation scheme recognition. The modulation recognition technique is designed for a real-time software radio using general-pur ... -
A noise adaptive symbol timing synchronization algorithm for software radio receivers
O'MAHONY, DONAL EDWARD; NOLAN, KEITH EDWARD; DOYLE, LINDA (2004)Software radio promises tremendous benefits from both commercial and military standpoints. Currently, there are a number of different 'shades' of software radio based on the use of FPGAs, DSP chips or general-purpose ... -
OFDM sub-carrier allocation algorithm for a multiple user data enhanced radio server (MUDERS) using a general purpose processor platform
DOYLE, LINDA; NOLAN, KEITH EDWARD (2004)This paper presents a novel spectrum-allocation technique designed for a high data-rate and spectrally-efficient multiple-user wireless system. The core of this system is a reconfigurable radio, implemented on a ... -
Principles of cognitive network teamwork
DOYLE, LINDA; NOLAN, KEITH EDWARD (2006)This paper looks ahead at the future of wireless communications systems that can combine their resources and capabilities in order to enhance their overall ability to collect and convey information. Cognitive network teamwork ... -
Radio transmitter fingerprinting: A steady state frequency domain approach
NOLAN, KEITH EDWARD (IEEE, 2008)We present a novel technique for radio transmitter identification based on frequency domain characteristics. Our technique detects the unique features imbued in a signal as it passes through a transmit chain. We are the ... -
A reconfigurable platform for cognitive networks
DOYLE, LINDA; NOLAN, KEITH EDWARD; SUTTON, PAUL DAVID (IEEE, 2007)By introducing self-awareness and computational intelligence to reconfigurable radio networks, cognitive networks are viewed as the key to a new generation of self-configuring, self-optimizing and self-healing communications ... -
Selecting appropriate hardware For software radio systems
DOYLE, LINDA; NOLAN, KEITH EDWARD; O'MAHONY, DONAL EDWARD (2002)Software radio is an emerging technology that offers great opportunities for the development of future wireless systems. Many different views exist on how to build both the software and hardware required by a software ... -
Teamwork and Collaboration in Cognitive Wireless Networks
DOYLE, LINDA; NOLAN, KEITH EDWARD (IEEE Communications Society, 2007)This article looks at the principles and significant potential of teamwork in cognitive networks. These concepts represent a new evolutionary stage in the development of cognitive radio and cognitive networks, where wireless ...