P. Luethi
ETH Zurich
15 Papers
370 Citations
P. Luethi is an academic researcher from ETH Zurich. The author has contributed to research in topics: MIMO & Orthogonal frequency-division multiplexing. The author has an hindex of 9, co-authored 15 publications.
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Papers
VLSI Implementation of a High-Speed Iterative Sorted MMSE QR Decomposition
P. Luethi,Andreas Burg,S. Haene,D. Perels,Norbert Felber,Wolfgang Fichtner +5 more
- 27 May 2007
TL;DR: The architecture and results of the first VLSI implementation of an iterative sorted QR decomposition preprocessor for MIMO receivers are described, which performs MIMM channel preprocessing using Givens rotations and provides the base for an improved layered stream decoding.
Algorithm and VLSI architecture for linear MMSE detection in MIMO-OFDM systems
Andreas Burg,S. Haene,D. Perels,P. Luethi,Norbert Felber,Wolfgang Fichtner +5 more
- 21 May 2006
TL;DR: The paper describes an algorithm and a corresponding VLSI architecture for the implementation of linear MMSE detection in packet-based MIMO-OFDM communication systems with advantages of low latency, high-throughput, and efficient resource utilization.
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Gram-Schmidt-based QR decomposition for MIMO detection: VLSI implementation and comparison
P. Luethi,Christoph Studer,S. Duetsch,Eugen Zgraggen,Hubert Kaeslin,Norbert Felber,Wolfgang Fichtner +6 more
- 01 Nov 2008
TL;DR: An optimized fixed-point VLSI implementation of the modified Gram-Schmidt (MGS) QRD algorithm that incorporates regularization and additional sorting of the MIMO channel matrix that clearly showed superiority of the Givens rotation (GR) solution in terms of area, processing cycles, and throughput.
ASIC implementation of a MIMO-OFDM transceiver for 192 Mbps WLANs
D. Perels,S. Haene,P. Luethi,Andreas Burg,Norbert Felber,Wolfgang Fichtner,Helmut Bölcskei +6 more
- 05 Dec 2005
TL;DR: This paper presents the first 4 /spl times/ 4 MIMO-OFDM WLAN physical layer ASIC based on the OFDM specifications of the IEEE 802.1 la standard, and describes the hardware architectural differences to single-antenna OFDM systems as well as the extensions made necessary by the use of multiple antennas.
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Hardware-efficient steering matrix computation architecture for MIMO communication systems
Christian Senning,Christoph Studer,P. Luethi,Wolfgang Fichtner +3 more
- 18 May 2008
TL;DR: A hardware-efficient VLSI architecture for steering matrix computation using a hardware- optimized SVD algorithm which achieves high processing throughput at low area and shows a 3.5-fold hardware-efficiency gain compared to a reference SVD implementation.