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Access Technologies and Signal Processing 

We perform research in the area of wireless communication. Topics in focus are: radio access technologies, advanced receivers, advanced antenna systems, antenna technologies and propagation. We are also active in the specification of 3G, 3G LTE and future radio access technologies.

Access Technologies and Signal Processing papers

VTC 2009 Spring

Robust and Efficient Parametric Linear Equalization
Douglas Cairns, Gregory E. Bottomley and Tracy Fulghum

VTC 2009 Spring

Multi-User Detection for Improving VoIP Capacity
Y.-P. Eric Wang and Stephen J. Grant

VTC 2009 Spring

Single Antenna Interference Cancellation for 8PSK
R. Ramesh., Huseyin Arslan, Abdulrauf Hafeez. and Dennis Hui

VTC 2009 Spring

A Physical Layer Abstraction for Maximum Likelihood Demodulation of MIMO Signals
R. Ramesh, Havish Koorapaty, Thomas Cheng and Kumar Balachandran

ICASSP 2009

Reduced-Complexity Delay-Doppler Correlator for Time-Frequency Hopping Signal
Jiann-Ching Guey

VTC 2008 Fall

Block Equalization and Generalized MLSE Arbitration for the HSPA WCDMA Uplink
G. E. Bottomley

VTC 2008 Fall

Two-Level Early Stopping Algorithm for LTE Turbo Decoding
Jung-Fu (Thomas) Cheng

VTC 2008 Fall

Error Detection Reliability of LTE CRC Coding
Jung-Fu (Thomas) Cheng and Havish Koorapaty

VTC 2008 Fall

Analysis of Circular Buffer Rate Matching for LTE Turbo Code
Jung-Fu (Thomas) Cheng, Ajit Nimbalker, Yufei Blankenship, Brian Classon, T. Keith Blankenship

VTC 2008 Fall

Impact of Transmit Array Geometry on Downlink System-Level Performance of MIMO Systems
Afif Osseiran, Kambiz Zangi, and Dennis Hui

VTC 2008 Fall

Performance of Dedicated Indoor MIMO HSDPA Systems
Karl J. Molnar and Stephen J. Grant

PIMRC 2008

Interference Mitigation for MIMO Systems Employing User-specific Linear Precoding
A. Osseiran, K. Zangi, D. Hui, and L. Krasny

PIMRC 2008

Hopping Pilot Pattern for Interference Mitigation in OFDM
Jiann-Ching Guey and Afif Osseiran

PIMRC 2008

The Design and Detection of Signature Sequences in Time-Frequency Selective Channel
Jiann-Ching Guey

SPAWC 2008

Effect of Transmitter and Receiver Impairments on the Performance of MIMO in HSDPA
Bo Goransson, Stephen Grant, Erik Larsson, and Zhu Feng

VTC 2008 Spring

Transmit Diversity Based Interference Cancellation
Abdulrauf Hafeez

WCNC 2008

Adaptive Pilot Allocation in Downlink OFDM
Jiann-Ching Guey and Afif Osseiran

IEEE Trans. Wireless Communications

Adaptive Generalized Rake Reception in DS-CDMA Systems
Tracy L. Fulghum, Douglas A. Cairns, Carmela Cozzo, Y.-P. Eric Wang, and Gregory E. Bottomley

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS

Probabilistic Spherical Detection and VLSI Implementation for Multiple-Antenna Systems
Chester Sungchung Park, Keshab K. Parhi, and Sin-Chong Park

IEEE Trans. Veh. Tech

Recovering signal energy from the cyclic prefix in OFDM
G. E. Bottomley and L. R. Wilhelmsson

VTC 2007 Fall

Evaluating the performance of Raptor codes for DVB-H by using the Gilbert-Elliott channel
L. Wilhelmsson

VTC 2007 Spring

Some results on implementing low-complex ICI cancellation for DVB-H
L. Wilhelmsson, J. Svensson, A. Nevalainen, and M. Faulkner

VTC 2006 Fall

Recycling the cyclic prefix in an OFDM system
G. E. Bottomley and L. R. Wilhelmsson

VTC 2006 Fall

Low-complex ICI cancellation for improving Doppler performance in OFDM systems
M. Faulkner, L. R. Wilhelmsson, and J. Svensson

VTC Spring 2008
The Composite Channel Method: Efficient Experimental Evaluation of a Realistic MIMO Terminal in the Presence of a Human Body
Harrysson. F, Medbo. J, Molisch. A.F, Johansson. A.J, Tufvesson. F

 

Global Telecommunications Conference, 2008
3G LTE Simulations Using Measured MIMO Channels
Selen. Y, Asplund. H

 

VTC Spring 2008
How Typical is the "Typical Urban" channel model?
Asplund. H, Larsson. K, Okvist. P

 

VTC 2007 Fall
Propagation Characteristics of Polarized Radio Waves in Cellular Communications
Asplund. H, Berg. J.-E, Harrysson. F, Medbo. J, Riback. M

VTC 2008 Spring
Modeling and capacity of polarized MIMO channels
M. Coldrey

AP-S 2008
Modular high-gain antennas
M. Johansson, S.Petersson, S. Johansson

EuCAP 2009
Performance of closely spaced multiple antennas for terminal applications
A. Derneryd, J. Fridén, P. Persson, and A. Stjernman

IEEE Communication Magazine
Technical Solutions for the 3G Long-Term Evolution
Hannes Ekström, Anders Furuskär, Jonas Karlsson, Michael Meyer, Stefan Parkvall, Johan Torsner, and Mattias Wahlqvist

VTC 06 Spring
The 3G Long-Term Evolution – Radio Interface Concepts and Performance Evaluation
Erik Dahlman, Hannes Ekström, Anders Furuskär, Ylva Jading, Jonas Karlsson, Magnus Lundevall, Stefan Parkvall

IEEE communication magazine
LTE: The Evolution of Mobile Broadband
David Astély, Erik Dahlman, Anders Furuskär, Ylva Jading, Magnus Lindström, and Stefan Parkvall

VTC Fall 2008
LTE-Advanced - Evolving LTE towards IMT-Advanced
Parkvall, S.,  Dahlman, E., Furuskar, A., Jading, Y., Olsson, M., Wänstedt, S., Zangi, K.

VTC 08 Fall
Downtilted base station antennas - A simulation model proposal and impact on HSPA and LTE performance
F. Gunnarsson, M. Johansson, A. Furuskär, M. Lundevall, A. Simonsson, C. Tidestav, and M. Blomgren

VTC 2009 Spring
Multi-Carrier HSPA Evolution
Klas Johansson, Johan Bergman, Dirk Gerstenberger, Mats Blomgren, and Anders Wallén

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