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High Speed Max-Log-MAP Turbo SISO Decoder Implementation Using Branch Metric Normalization
 

Summary: High Speed Max-Log-MAP Turbo SISO Decoder Implementation Using
Branch Metric Normalization
J. H. Han1
, A. T. Erdogan1,2
, T. Arslan1,2
1
University of Edinburgh, School of Engineering and Electronics
2
Institute of System Level Integration, The ALBA campus
j.han@ed.ac.uk, Ahmet.Erdogan@ee.ed.ac.uk, Tughrul.Arslan@ee.ed.ac.uk
Abstract
The authors present a turbo soft-in soft-out (SISO)
decoder based on Max-Log maximum a posteriori
(ML-MAP) algorithm implemented with sliding
window (SW) method. A novel technique based on
branch metric normalization is introduced to improve
the speed performance of the decoder. The turbo
decoder with the proposed technique has been
synthesized to evaluate its power consumption and
area usage using a 0.18um standard CMOS cell

  

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

 

Collections: Engineering