Browsing by Author "NOLAN, KEITH EDWARD"
Now showing items 4-21 of 21
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Cyclostationary signatures for rendezvous in OFDM-based dynamic spectrum access networks
(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
(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
(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
(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
(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
(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
(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
(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 ... -
Grouping abstraction and authority control in policy-based spectrum management
(IEEE, 2007)The management of dynamic spectrum access requires the coordination of administrative functions across multiple organizations, from regulators to secondary market operators and commons cooperatives. Policy-based management ... -
Modulation scheme classification for 4G software radio wireless networks
(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
(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
(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
(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
(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
(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
(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
(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 ...
