Series in Microelectronics
edited by Wolfgang Fichtner
Qiuting Huang
Heinz Jäckel
Gerhard Tröster
Bernd Witzigmann
Vol. 203
Peter Jan Lüthi
VLSI Circuits for
MIMO Preprocessing.
2010,
X, 222 pages, € 64,00. ISBN 3-86628-295-8 978-3-86628-295-7
Thesis-toc /
Content / Zusammenfassung
Abstract:
The latest mobile applications and the growing number of wireless users are
increasing the demand for high-throughput wireless access solutions. Multiple-input
multiple-output (MIMO) technology combined with orthogonal
frequency-division multiplexing (OFDM) constitute today's most promising
approach to exploit the limited radio frequency resources in a highly efficient
way. Unfortunately, the adoption of these technologies significantly increases
the signal processing complexity, what ultimately calls for dedicated
very-large scale integration (VLSI) circuits. At system-level, careful
evaluation of MIMO preprocessing aspects offers great
opportunities for lowering MIMO detection complexity. This work focuses on VLSI
circuits for MIMO preprocessing, with emphasis on QR
decomposition-based architectures, and contains considerations for joint
algorithmic and architectural optimizations. Several architectures have been
realized as integrated circuits, including one proving its full operational
capabilities by being successfully deployed to a real-time MIMO-OFDM testbed.
About the
Author
Peter Jan Lüthi was born in Schlieren,
Switzerland, in 1977. He received his diploma degree in electrical engineering
from the ETH Zurich, Switzerland, in 2001. In the same year, he joined Advanced
Micro Devices (AMD) in order to work on HyperTransport
and PCI verification and performance enhancements. In late 2003, he started his
doctoral studies at the Integrated Systems Laboratory of the ETH Zurich,
working on digital signal processing and integrated circuit design for MIMO
wireless communication.
Keywords: MIMO preprocessing,
V-BLAST, sorted QR decomposition, MMSE, Givens rotations, CORDIC, VLSI, ASIC.
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