Implementation of an UWB impulse-radio acquisition and despreading algorithm on a low power ASIP

J. Govers, J. Huisken, M. Berekovic, O. Rousseaux, F. Bouwens, M. de Nil, J. van Meerbergen

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

Impulse Radio-based Ultra-Wideband (UWB) technology is a strong candidate for the implementation of ultra low power air interfaces in low data rate sensor networks. A major challenge in UWB receiver design is the low-power implementation of the relatively complex digital baseband algorithms that are required for timing acquisition and data demodulation. Silicon Hive offers low-power application specific instruction set processor (ASIP) solutions. In this paper we target the low-power implementation of an UWB receiver’s digital baseband algorithm on an ASIP, based on Silicon Hive’s solutions.

We approach the problem as follows. First we implement the algorithm on an existing ASIP and analyze the power consumption. Next we apply optimizations such as algorithmic simplification, adding a loopcache and adding custom operations to lower the dissipation of the ASIP. The resulting ASIP consumes 0.98 nJ (with a spreading factor of 16) per actual data bit, which is lower than an existing application specific integrated circuit (ASIC).
Original languageEnglish
Title of host publicationProceedings of the 3rd international conference on High performance embedded architectures and compilers
EditorsP. Stenström, M. Dubois, M. Katavenis, R. Gupta, T. Ungerer
Place of PublicationBerlin, Heidelberg
PublisherSpringer
Pages82-96
Number of pages15
ISBN (Print)3-540-77559-5, 978-3-540-77559-1
Publication statusPublished - 2008
Event3rd international conference on High performance embedded architectures and compiler (HIPEAC'08), January 27-29, 2008, Gothenburg, Sweden - Gothenburg, Sweden
Duration: 27 Jan 200829 Jan 2008
https://www.hipeac.net/2008/gothenburg/

Publication series

NameLNCS
PublisherSpringer Verlag
Volume4917

Conference

Conference3rd international conference on High performance embedded architectures and compiler (HIPEAC'08), January 27-29, 2008, Gothenburg, Sweden
Abbreviated titleHIPEAC08
Country/TerritorySweden
CityGothenburg
Period27/01/0829/01/08
Internet address

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