Analysis of iteration control for turbo decoders in turbo synchronization applications (2009)
T. Lehnigk-Emden, U. Wasenmüller, C. Gimmler, N. Wehn
Wireless data transmission results in frequency and phase offsets of the signal in the receiver. In addition, the received symbols are corrupted by noise. Therefore, synchronization and channel...
© Copernicus GmbH 2004 Advances in Radio Science (2008)
Application driven evaluation of network on chip architectures for parallel signal processing
under a Creative Commons License. Energy modelling in sensor networks (2008)
D. Schmidt, M. Krämer, T. Kuhn, N. Wehn
Abstract. Wireless sensor networks are one of the key enabling technologies for the vision of ambient intelligence. Energy resources for sensor nodes are very scarce. A key challenge is the design of...
U. Wasenmüller, T. Brack, N. Wehn
Carrier synchronization is a vital part of every inner receiver in wireless communications. Frequency offset and phase offset of the received burst must be estimated and the received samples must be...
Kleinheubacher Berichte, Ag Mikroelektronische Systeme, Book Kleinheubacher Berichte, N. Wehn, N. Wehn, ...
an overview
H. Michel, N. Wehn, Kleinheubacher Berichte, Ag Mikroelektronische Systeme, Book Kleinheubacher Berichte
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Energy modelling in sensor networks (2007)
D. Schmidt, M. Krämer, T. Kuhn, N. Wehn
Wireless sensor networks are one of the key enabling technologies for the vision of ambient intelligence. Energy resources for sensor nodes are very scarce. A key challenge is the design of energy...
From algorithm to implementation: a case study on blind carrier synchronization (2006)
D. Schmidt, T. Brack, U. Wasenmüller, N. Wehn
Increasing chip complexities demand a higher design productivity. IP cores, which implement commonly needed operations, can help to dramatically shorten development and verification times for new...
Design Space Exploration for Frequency Synchronization of BPSK/QPSK Bursts (2005)
T. Brack, U. Wasenmüller, D. Schmidt, N. Wehn
Frequency synchronisation is a vital part of every inner receiver for wireless communication. In this paper we present different implementation alternatives for non data aided frequency estimation of...
Today’s signal processing applications exhibit steadily increasing throughput requirements which can be achieved by parallel architectures. However, efficient communication is mandatory to fully...
Embedded Software for SoC (2003)
Jerraya, A.A., Yoo, S., Verkest, D., Wehn, N.
Embedded Software for SoC covers all software related aspects of SoC design: -Embedded and application-domain specific operating systems, interplay between application, operating system, and...
Efficient MAP-algorithm implementation on programmable architectures (2003)
F. Kienle, H. Michel, F. Gilbert, N. Wehn
Maximum-A-Posteriori (MAP) decoding algorithms are important HW/SW building blocks in advanced communication systems due to their ability to provide soft-output informations which can be efficiently...
Automating RT-Level Operand Isolation to Minimize Power Consumption (2000)
M. Münch, B. Wurth, R. Mehra, J. Sproch, N. Wehn
Designs which do not fully utilize their arithmetic datapath components typically exhibit a significant overhead in power consumption. Whenever a module performs an operation whose result is not used...
Automating RT-Level Operand Isolation to Minimize Power Consumption (2000)
M. Münch, B. Wurth, R. Mehra, J. Sproch, N. Wehn
Designs which do not fully utilize their arithmetic datapath components typically exhibit a significant overhead in power consumption. Whenever a module performs an operation whose result is not used...
Advanced implementation issues of turbo-decoders (2000)
A. Worm, H. Michel, F. Gilbert, G. Kreiselmaier, M. Thul, N. Wehn
Abstract: This paper presents a new renormalization scheme for Turbo-decoders and a novel early stop criterion which can be used to considerably reduce implementation complexity. Keywords:...
Automating RT-Level Operand Isolation to Minimize Power Consumption in Datapaths (2000)
M. Münch, B. Wurth, R. Mehra, J. Sproch, N. Wehn
Designs which do not fully utilize their arithmetic datapath components typically exhibit a significant overhead in power consumption. Whenever a module performs an operation whose result is not used...
Leveugle, R., Koren, Z., Koren, I., Saucier, G., Wehn, N.
This paper summarizes a practical experiment in designing a defect tolerant microprocessor and presents the underlying principles. Unlike memory integrated circuits, microprocessors have an irregular...
R. Leveugle, Z. Koren, I. Koren, G. Saucier, N. Wehn
Abstract--This paper summarizes a practical experiment in designing a defect tolerant microprocessor and presents the underlying principles. Unlike memory integrated circuits, microprocessors have an...
Reconfiguration in a microprocessor: practical results (1989)
Leveugle, R., Soueidan, M., Saucier, G., Wehn, N., Glesner, M., Trilhe, J.
Investigates microprocessor design techniques using redundancy in order to increase the yield by means of end-of-manufacturing defect tolerance. A lot of effort was done to obtain a regular design...