Steven Freear

According to our database, Steven Freear authored at least 37 papers between 2009 and 2022.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2022

Integrated Hybrid Sub-Aperture Beamforming and Time-Division Multiplexing for Massive Readout in Ultrasound Imaging.

Ahmad Rezvanitabar, Gwangrok Jung, Coskun Tekes, Thomas M. Carpenter, David M. J. Cowell, Steven Freear, F. Levent Degertekin

IEEE Trans. Biomed. Circuits Syst., 2022

Optimizing the lateral beamforming step for filtered-delay multiply and sum beamforming to improve active contour segmentation using ultrafast ultrasound imaging.

Asraf Mohamed Moubark, Zainab Alomari, Mohd Hairi Mohd Zaman, Mohd Asyraf Zulkifley, Sawal Hamid Md. Ali, Luzhen Nie, Steven Freear

Biomed. Signal Process. Control., 2022

2021

High-Power Gallium Nitride HIFU Transmitter With Integrated Real-Time Current and Voltage Measurement.

Thomas M. Carpenter, David M. J. Cowell, Harry R. Clegg, James R. McLaughlan, Steven Freear

IEEE Trans. Biomed. Circuits Syst., 2021

2018

A Reduced-Wire ICE Catheter ASIC With Tx Beamforming and Rx Time-Division Multiplexing.

Gwangrok Jung, Coskun Tekes, M. Wasequr Rashid, Thomas M. Carpenter, David M. J. Cowell, Steven Freear, F. Levent Degertekin, Maysam Ghovanloo

IEEE Trans. Biomed. Circuits Syst., 2018

Single-chip reduced-wire active catheter system with programmable transmit beamforming and receive time-division multiplexing for intracardiac echocardiography.

Gwangrok Jung, M. Wasequr Rashid, Thomas M. Carpenter, Coskun Tekes, David M. J. Cowell, Steven Freear, F. Levent Degertekin, Maysam Ghovanloo

Proceedings of the 2018 IEEE International Solid-State Circuits Conference, 2018

2017

Relay Selection Based Full-Duplex Cooperative Systems Under Adaptive Transmission.

Paschalis C. Sofotasios, Mulugeta K. Fikadu, Sami Muhaidat, Steven Freear, George K. Karagiannidis, Mikko Valkama

IEEE Wirel. Commun. Lett., 2017

A Comprehensive Framework for Spectrum Sensing in Non-Linear and Generalized Fading Conditions.

Paschalis C. Sofotasios, Alireza Bagheri, Theodoros A. Tsiftsis, Steven Freear, Ali Shahzadi, Mikko Valkama

IEEE Trans. Veh. Technol., 2017

2016

Shadowed Fading in Indoor Off-Body Communication Channels: A Statistical Characterization Using the κ - μ /Gamma Composite Fading Model.

Seong Ki Yoo, Simon L. Cotton, Paschalis C. Sofotasios, Steven Freear

IEEE Trans. Wirel. Commun., 2016

Energy detection based spectrum sensing over enriched multipath fading channels.

Alireza Bagheri, Paschalis C. Sofotasios, Theodoros A. Tsiftsis, Khuong Ho-Van, Michael I. Loupis, Steven Freear, Mikko Valkama

Proceedings of the IEEE Wireless Communications and Networking Conference, 2016

2015

Bit error rate of underlay decode-and-forward cognitive networks with best relay selection.

Khuong Ho-Van, Paschalis C. Sofotasios, George C. Alexandropoulos, Steven Freear

J. Commun. Networks, 2015

Analytic Solutions to a Useful Marcum $Q{-}$Function Based Integral.

Paschalis C. Sofotasios, Mikko Valkama, Theodoros A. Tsiftsis, Yury A. Brychkov, Steven Freear, George K. Karagiannidis

CoRR, 2015

On the $κ$-$μ$/Gamma Generalized Multipath/ Shadowing Fading Distribution.

Paschalis C. Sofotasios, Steven Freear

CoRR, 2015

Tight Approximations for the Two Dimensional Gaussian $Q-$function.

Paschalis C. Sofotasios, Steven Freear

CoRR, 2015

Solutions to the Incomplete Toronto Function and Incomplete Lipschitz-Hankel Integrals.

Paschalis C. Sofotasios, Steven Freear

CoRR, 2015

On the $η-μ$/gamma and the $λ-μ$/gamma Composite Distributions.

Paschalis C. Sofotasios, Steven Freear

CoRR, 2015

Closed-Form Bounds for the Rice $Ie$-Function.

Paschalis C. Sofotasios, Steven Freear

CoRR, 2015

Novel Expressions for the Rice $Ie{-}$Function and the Incomplete Lipschitz-Hankel Integrals.

Paschalis C. Sofotasios, Steven Freear

CoRR, 2015

A Generalized Non-Linear Composite Fading Model.

Paschalis C. Sofotasios, Steven Freear

CoRR, 2015

Area under ROC curve of energy detection over generalized fading channels.

Alireza Bagheri, Paschalis C. Sofotasios, Theodoros A. Tsiftsis, Ali Shahzadi, Steven Freear, Mikko Valkama

Proceedings of the 26th IEEE Annual International Symposium on Personal, 2015

Time-division multiplexing for cable reduction in ultrasound imaging catheters.

Thomas M. Carpenter, M. Wasequr Rashid, Maysam Ghovanloo, David M. J. Cowell, Steven Freear, F. Levent Degertekin

Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2015

2014

Analytic Expressions and Bounds for Special Functions and Applications in Communication Theory.

Paschalis C. Sofotasios, Theodoros A. Tsiftsis, Yury A. Brychkov, Steven Freear, Mikko Valkama, George K. Karagiannidis

IEEE Trans. Inf. Theory, 2014

Underlay cooperative cognitive networks with imperfect Nakagami-m fading channel information and strict transmit power constraint: Interference statistics and outage probability analysis.

Khuong Ho-Van, Paschalis C. Sofotasios, Steven Freear

J. Commun. Networks, 2014

Analytic solutions to a Marcum Q-function-based integral and application in energy detection of unknown signals over multipath fading channels.

Paschalis C. Sofotasios, Mikko Valkama, Theodoros A. Tsiftsis, Yury A. Brychkov, Steven Freear, George K. Karagiannidis

Proceedings of the 9th International Conference on Cognitive Radio Oriented Wireless Networks and Communications, 2014

2013

Energy Detection Based Spectrum Sensing Over κ-μ and κ-μ Extreme Fading Channels.

Paschalis C. Sofotasios, Eric Rebeiz, Li Zhang, Theodoros A. Tsiftsis, Danijela Cabric, Steven Freear

IEEE Trans. Veh. Technol., 2013

The kappa-#181;/Ig Composite Statistical Distribution in RF and FSO Wireless Channels.

Paschalis C. Sofotasios, Theodoros A. Tsiftsis, Khuong Ho-Van, Steven Freear, Leif R. Wilhelmsson, Mikko Valkama

Proceedings of the 78th IEEE Vehicular Technology Conference, 2013

Frequency warping compressive sensing for structural monitoring of aircraft wing.

Alessandro Perelli, Sevan Harput, Luca De Marchi, Steven Freear

Proceedings of the 18th International Conference on Digital Signal Processing, 2013

2012

Performance Analysis of Tikhonov Regularized LS Channel Estimation for MIMO OFDM Systems with Virtual Carriers.

Spyros Konstantinidis, Steven Freear

Wirel. Pers. Commun., 2012

VLSI Architectures for Sliding-Window-Based Space-Time Turbo Trellis Code Decoders.

Georgios Passas, Steven Freear

J. Electr. Comput. Eng., 2012

2011

Closed-Form Bounds to the Rice and Incomplete Toronto Functions and Incomplete Lipschitz-Hankel Integrals

Paschalis C. Sofotasios, Steven Freear

CoRR, 2011

The κ-μ Extreme/Gamma Distribution: A Physical Composite Fading Model.

Paschalis C. Sofotasios, Steven Freear

Proceedings of the 2011 IEEE Wireless Communications and Networking Conference, 2011

Simple and Accurate Approximations for the Two Dimensional Gaussian Q-Function.

Paschalis C. Sofotasios, Steven Freear

Proceedings of the 73rd IEEE Vehicular Technology Conference, 2011

On the η-µ/gamma and the λ-µ/gamma multipath/shadowing distributions.

Paschalis C. Sofotasios, Steven Freear

Proceedings of the Australasian Telecommunication Networks and Applications Conference, 2011

The α-κ-µ Extreme distribution: Characterizing non-linear severe fading conditions.

Paschalis C. Sofotasios, Steven Freear

Proceedings of the Australasian Telecommunication Networks and Applications Conference, 2011

Upper and lower bounds for the Rice Ie-function.

Paschalis C. Sofotasios, Steven Freear

Proceedings of the Australasian Telecommunication Networks and Applications Conference, 2011

2010

Real-Time Modeling of Wheel-Rail Contact Laws with System-On-Chip.

Yongji Zhou, T. X. Mei, Steven Freear

IEEE Trans. Parallel Distributed Syst., 2010

Novel expressions for the Marcum and one dimensional Q-functions.

Paschalis C. Sofotasios, Steven Freear

Proceedings of the 2010 7th International Symposium on Wireless Communication Systems, 2010

2009

Pilot design for MIMO OFDM systems with virtual carriers.

Qinfei Huang, Mounir Ghogho, Steven Freear

IEEE Trans. Signal Process., 2009