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A LOW POWER DATAPATH FOR ALGEBRAIC CODEBOOK SEARCH TARGETINGA GENERICGSM SYSTEM-ON-CHIPPLATFORM
 

Summary: A LOW POWER DATAPATH FOR ALGEBRAIC CODEBOOK SEARCH
TARGETINGA GENERICGSM SYSTEM-ON-CHIPPLATFORM
Tony Kirkham"<,Tughrul Ar~lan'.'.~,FredWestalf,David H Crawford'
'The Institute for System Level Integration, Livingston, Scotland
Department of Electronics & Electrical Engineering, The University of Edinburgh, Scotland
Jet Propulsion Laboratory, Avionics Section, 4800 Oak Grove Drive, Pasadena, CA 91 109, USA
4EPSONScotland Design Centre, Livingston, Scotland
2
3
Abstract
A novel hardwarearchitecture is presented for the
Algebraic Codebook Search function wed in GSM
Adaptive Multi-Rate speech encoding. This
architecture was for a System-on-Chip GSM
baseband processing platform and is an accelerator
for use with a programmable DSP Intellectual
Property Core. Features of the algorithm are
exploited to achieve an efficient hardware-software
partitioning. The over all effect is a 5x reduction in
power consumptionand a 28%reductionin MIPS.

  

Source: Arslan, Tughrul - School of Engineering and Electronics, University of Edinburgh

 

Collections: Engineering