Series in Microelectronics
Peter Jan Lüthi
VLSI Circuits for MIMO Preprocessing.
2010, X, 222 pages, € 64,00. ISBN 3-86628-295-8 978-3-86628-295-7
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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