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Research Output 1993 2019

Filter
Paper
2019

FPGA accelerated deep learning radio modulation classification using MATLAB system objects & PYNQ

Maclellan, A., McLaughlin, L., Crockett, L. & Stewart, R. W., 9 Sep 2019. 2 p.

Research output: Contribution to conferencePaper

Open Access
File
MATLAB
Field programmable gate arrays (FPGA)
Modulation
Neural networks
Chemical activation
2018
Open Access
File
Filter banks
Radio transmitters
Radio waves
Communication
Orthogonal frequency division multiplexing
2016
3 Citations (Scopus)

FPGA implementation of a cyclostationary detector for OFDM signals

Allan, D., Crockett, L., Weiss, S., Stuart, K. & Stewart, R. W., 7 Sep 2016. 5 p.

Research output: Contribution to conferencePaper

Open Access
File
Orthogonal frequency division multiplexing
Field programmable gate arrays (FPGA)
Detectors
Long Term Evolution (LTE)
Multipath fading
2013
2 Citations (Scopus)

Impact of a purina fractal array geometry on beamforming performance and complexity

Karagiannakis, P., Weiss, S., Punzo, G., Macdonald, M., Bowman, J. & Stewart, R., Sep 2013. 5 p.

Research output: Contribution to conferencePaper

Open Access
File
Beamforming
Fractals
Geometry
Costs
2012

A hybrid approach for rural broadband access networks

McGuire, C., Darbari, F., Weiss, S., Glover, I. & Stewart, R., 19 Apr 2012. 1 p.

Research output: Contribution to conferencePaper

Open Access
File
Communication
Atmospheric spectra
Closed circuit television systems
Radio transmission
Machine-to-machine communication
6 Citations (Scopus)

Comparison of single- and double-sided pulse width modulated signals with non-linear predistortion

Morrison, C., Weiss, S., Macleod, M. & Stewart, R., 13 Sep 2012, p. 271-275. 5 p.

Research output: Contribution to conferencePaper

Open Access
File
Nonlinear distortion
Loudspeakers

Design considerations for a filter bank based TVWS transceiver

Elliot, R. A., Enderwitz, M., Darbari, F., Crockett, L. H., Weiss, S. & Stewart, R., 19 Apr 2012. 1 p.

Research output: Contribution to conferencePaper

Open Access
File
Filter banks
Transceivers
Frequency bands
Field programmable gate arrays (FPGA)
Masks

Digital RF multiplexing for a TVWS transceiver implementation

Enderwitz, M., Elliot, R. A., Darbari, F., Crockett, L. H., Weiss, S. & Stewart, R., 19 Apr 2012. 1 p.

Research output: Contribution to conferencePaper

Open Access
File
Multiplexing
Transceivers
Field programmable gate arrays (FPGA)
Masks
Sampling
2 Citations (Scopus)

TVWS filter bank transceiver on OMAP-L137 evaluation module

Elliot, R. A., Enderwitz, M., Darbari, F., Crockett, L. H., Weiss, S. & Stewart, R., 13 Sep 2012, p. 114-118. 5 p.

Research output: Contribution to conferencePaper

Filter banks
Transceivers
Frequency agility
Frequency bands
Telecommunication links
2011
1 Citation (Scopus)

A low cost and power efficient TV white space technology solution for future rural broadband access networks

Brew, M. R., Darbari, F., Mcguire, C., Bolton, G., Weiss, S. & Stewart, R., 5 Dec 2011, p. 1024-1028. 5 p.

Research output: Contribution to conferencePaper

Base stations
Environmental technology
DSL
Radio links
Solar energy

Dynamic reconfiguration technologies based on FPGA in software defined radio system

He, K., Crockett, L. H. & Stewart, R., 23 Jun 2011, p. 97-104. 8 p.

Research output: Contribution to conferencePaper

Radio systems
Field programmable gate arrays (FPGA)
Clocks
Managers
Hardware
7 Citations (Scopus)

Initial results on an MMSE precoding and equalisation approach to MIMO PLC channels

Weiss, S., Moret, N., Millar, A. P., Tonello, A. & Stewart, R., 5 May 2011, p. 146-152. 7 p.

Research output: Contribution to conferencePaper

File
MIMO systems
Polynomials
Equalizers
Impulse response
Band structure
12 Citations (Scopus)

Tomlinson Harashima precoding design for non-regenerative MIMO relay networks

Millar, A. P., Weiss, S. & Stewart, R., 18 Jul 2011, p. 1-5. 5 p.

Research output: Contribution to conferencePaper

File
Mean square error
Channel state information
Transceivers
24 Citations (Scopus)

UHF white space network for rural smart grid communications

Brew, M. R., Darbari, F., Crockett, L. H., Waddell, M., Fitch, M., Weiss, S. & Stewart, R., 17 Oct 2011, p. 138-142. 5 p.

Research output: Contribution to conferencePaper

Communication
Tidal power
Water power
Distributed power generation
Wind power
1 Citation (Scopus)

ZF DFE transceiver design for MIMO relay systems with direct source-destination link

Millar, A. P., Weiss, S. & Stewart, R., 29 Aug 2011, p. 1824-1828. 5 p.

Research output: Contribution to conferencePaper

Open Access
File
Decision feedback equalizers
Transceivers
Channel state information
Equalizers
Mean square error
2010
6 Citations (Scopus)

Inversion of Parahermitian matrices

Weiss, S., Millar, A. P. & Stewart, R. W., 23 Aug 2010, p. 447-451. 5 p.

Research output: Contribution to conferencePaper

File
matrix
eigenvalue
autocorrelation
inversion
decomposition
6 Citations (Scopus)

Performance of transmultiplexers based on oversampled filter banks under variable oversampling ratios

Weiss, S., Millar, A. P., Stewart, R. & Macleod, M., 23 Aug 2010, p. 2181-2185. 5 p.

Research output: Contribution to conferencePaper

Filter banks
Equalizers
Synchronization
Mean square error
Bandwidth
2 Citations (Scopus)

Wireless distributed EMI measurement system

Siew, W. H., Liu, K., Li, Q. & Stewart, R., 12 Apr 2010. 4 p.

Research output: Contribution to conferencePaper

Electromagnetic fields
Costs
2009
1 Citation (Scopus)

Coarse angle rotation mode CORDIC based single processing element QR-RLS processor

Gao, Q., Crockett, L. H. & Stewart, R. W., Aug 2009, p. 1279-1283. 5 p.

Research output: Contribution to conferencePaper

Processing
Application specific integrated circuits
Digital signal processing
Field programmable gate arrays (FPGA)
Availability

Non-uniform wordlength delay lines for FIR filters

Bolton, G. & Stewart, R. W., Aug 2009, p. 1003. 1006 p.

Research output: Contribution to conferencePaper

File
FIR filters
Electric delay lines
Hardware
Fixed point arithmetic
Digital arithmetic
1 Citation (Scopus)

Spatial reuse of the radio channel in CDMA-enabled, ad-hoc wireless sensor networks

Crockett, L. H. & Stewart, R. W., Aug 2009, p. 2416-2420. 5 p.

Research output: Contribution to conferencePaper

Code division multiple access
Wireless sensor networks
Network protocols
Carrier sense multiple access
Energy conservation

Wireless network management optimised for emi measurement in power substations

Siew, W. H., Liu Yanchao, K. L., Stewart, R. W. & Li, Q., Jun 2009, p. 0296. 3 p.

Research output: Contribution to conferencePaper

Electromagnetic field measurement
Network management
Sensor nodes
Wireless sensor networks
Wireless networks

Wireless system for electromagnetic emission measurement in power substations

Liu Yanchao, K. L., Siew, W. H. & Stewart, R. W., 7 Jun 2009, p. 13-16. 4 p.

Research output: Contribution to conferencePaper

2008

Effect of antenna height and polarisation on short wireless links

Darbari, F., Sasloglou, K., Stewart, R. W., Glover, I. A. & Andonovic, I., Aug 2008, (Unpublished).

Research output: Contribution to conferencePaper

Telecommunication links
Polarization
Antennas
Transceivers
Surface waves

Narrow-band short-range channel measurements

Darbari, F., Stewart, R. W. & Glover, I. A., 14 Aug 2008, (Unpublished).

Research output: Contribution to conferencePaper

transmission loss
transmitter receivers
narrowband
antennas

Portable wireless transient measurement system in power substations

Liu Yanchao, K. L., Siew, W. H. & Stewart, R. W., Jul 2008.

Research output: Contribution to conferencePaper

Electric circuit breakers
Signal interference
Electromagnetic fields
Switches
Electric potential

Wireless distributed transient measurement system

Siew, W. H., Liu, K., Li, Q. & Stewart, R., Nov 2008. 3 p.

Research output: Contribution to conferencePaper

Electromagnetic fields
Data acquisition
2007
3 Citations (Scopus)

Channel and interference analysis for wireless sensor networks

Darbari, F., Glover, I. A. & Stewart, R. W., 2007, p. 3289-3294. 5 p.

Research output: Contribution to conferencePaper

Wireless sensor networks
Antennas
Spectrum analyzers
Carrier sense multiple access
Bit error rate

Co-existence of Specknet with other wireless standards

Darbari, F., Stewart, R. W. & Glover, I. A., 2007.

Research output: Contribution to conferencePaper

Open Access
File
Wireless sensor networks
Specifications
Multiple access interference
Monitoring
Power transmission

Modeling scatterer clusters in 3D using spherical statistics for 4G communications

Mammasis, K., Stewart, R. W. & Pfann, E., 2007.

Research output: Contribution to conferencePaper

communication
statistics
scattering

Physical layer modelling for short range wireless sensor network

Darbari, F., Stewart, R. W. & Glover, I. A., 2007.

Research output: Contribution to conferencePaper

Wireless sensor networks
10 Citations (Scopus)

Towards an integrated design approach to specknets

Arvind, D., Patterson, A., Stewart, R. W. & Thayne, I., 2007, p. 3319-3324. 5 p.

Research output: Contribution to conferencePaper

2005

A low power, digital transceiver for wireless sensor networks

MacEwen, N. C., Crockett, L. H., Pfann, E. & Stewart, R. W., Sep 2005. 8 p.

Research output: Contribution to conferencePaper

Transceivers
Wireless sensor networks
Pulse shaping
Synchronization
4 Citations (Scopus)

Pulse shaping for RF communications in wireless sensor networks

Crockett, L. H., MacEwen, N. C., Pfann, E. & Stewart, R. W., 2005.

Research output: Contribution to conferencePaper

The effect of pipelining feedback loops in high speed DSP systems

Alexander, S. W. & Stewart, R. W., 9 May 2005, p. V145- V148. 4 p.

Research output: Contribution to conferencePaper

Feedback
Throughput
Decomposition
2004
1 Citation (Scopus)

Rapid prototyping and performance analysis for cdma2000

De Nobili, M., Stewart, R. W. & Freeland, G. C., Jun 2004, p. 70-73. 4 p.

Research output: Contribution to conferencePaper

3G mobile communication systems
Rapid prototyping
Code division multiple access
Traveling wave tubes
Rayleigh fading
3 Citations (Scopus)

Sharpening of partially non-recursive CIC decimation filters

Stephen, G. & Stewart, R. W., Nov 2004, p. 2170-2173. 3 p.

Research output: Contribution to conferencePaper

Comb filters
Frequency response
Communication systems
2003

Feedback strategies in digitally controlled class-D amplifiers

Esslinger, R., Gruhler, G. & Stewart, R. W., Mar 2003, p. 5828.

Research output: Contribution to conferencePaper

Error correction
Delta sigma modulation
Feedback
Digital to analog conversion
Power amplifiers
2002

3G FDD rapid prototyping and training

Garcia-Alis, D., Stirling, I., Rice, G., MacPherson, K. N. & Stewart, R. W., Sep 2002. 4 p.

Research output: Contribution to conferencePaper

Rapid prototyping
3G mobile communication systems
World Wide Web
Modulation
3 Citations (Scopus)

A novel channel estimation algorithm applied to UTRA-FDD

Rice, G., Stirling, I. G., Garcia-Alis, D. & Stewart, R. W., May 2002, p. 267-271. 5 p.

Research output: Contribution to conferencePaper

Channel estimation
Multipath propagation
Synchronization
8 Citations (Scopus)

Arithmetic implementation techniques and methodologies for 3G uplink reception in Xilinx FPGAs

MacPherson, K. N., Stirling, I. G., Rice, G., Garcia-Alis, D. & Stewart, R. W., May 2002. 5 p.

Research output: Contribution to conferencePaper

Field programmable gate arrays (FPGA)
Hardware
Costs
Pulse shaping

Distortions by switching errors in digital power amplifiers using sigma delta coded signals

Esslinger, R., Gruhler, G. & Stewart, R. W., Apr 2002, p. 5633.

Research output: Contribution to conferencePaper

Power amplifiers
Harmonic distortion
Electric potential
Pulse width modulation
Modulation
2000

A generalised sidelobe canceller architecture based on oversampled subband decompositions

Weiss, S., Wei, L. & Stewart, R., 2000. 4 p.

Research output: Contribution to conferencePaper

Open Access
File
Beamforming
Frequency bands
Computational complexity
Decomposition

Digital signal processing education: technology and tradition

Stewart, R., Quayle, J., Garcia-Alis, D. & Weiss, S., 2000. 3 p.

Research output: Contribution to conferencePaper

Digital signal processing
Education
Teaching
Students
49 Citations (Scopus)

Fast implementation of oversampled modulated filter banks

Weiss, S. & Stewart, R., 2000. 4 p.

Research output: Contribution to conferencePaper

Open Access
File
Filter banks
Redundancy
Modulation
1999
2 Citations (Scopus)

A subband adaptive equalization structure

Weiss, S., Garcia-Alis, D. & Stewart, R., 1999, p. 4/1-4/7. 7 p.

Research output: Contribution to conferencePaper

Computational complexity
Equalizers
Coloring
Adaptive algorithms
Impulse response
17 Citations (Scopus)

Multichannel equalization in subbands

Weiss, S., Rice, G. & Stewart, R., 1999, p. 203-206. 4 p.

Research output: Contribution to conferencePaper

File
acoustics
sound fields
specifications
inversions
simulation
8 Citations (Scopus)

Subband adaptive equalisation of time-varying channels

Stewart, R., Weiss, S., Garcia-Alis, D. & Freeland, G., Oct 1999, p. 534-538. 5 p.

Research output: Contribution to conferencePaper

Equalizers
Coloring
Adaptive algorithms
Computational complexity
1998
2 Citations (Scopus)

Adaptive equalization in oversampled subbands

Weiss, S., Dooley, S., Stewart, R. & Asoke, N., 1998, p. 389-393. 5 p.

Research output: Contribution to conferencePaper

File
Computational complexity
Equalizers
Coloring
Adaptive algorithms
Acoustics