DocumentCode
2960277
Title
Analog Circuits for Symbol-Likelihood Computation
Author
Frey, Matthias ; Loeliger, Hans-Andrea ; Merkli, Patrick
Author_Institution
Signal & inf. Process. Lab., Zurich
fYear
2006
fDate
10-13 Dec. 2006
Firstpage
680
Lastpage
683
Abstract
New analog circuits are presented to convert the output of a matched filter into symbol-and bit-likelihoods suitable as input to analog decoders for error correcting codes. The new circuits can be adapted to many constellations including pulse amplitude modulation (PAM) and quadrature amplitude modulation (QAM) and for arbitrary bit-to-symbol mappings. In contrast to a previously published circuit these new circuits compute exact probabilities and they are more versatile.
Keywords
analogue circuits; decoding; error correction codes; matched filters; pulse amplitude modulation; quadrature amplitude modulation; PAM; QAM; analog circuits; analog decoders; arbitrary bit-to-symbol mappings; error correcting codes; matched filter; pulse amplitude modulation; quadrature amplitude modulation; symbol-likelihood computation; AWGN; Analog circuits; Analog computers; Decoding; Error correction codes; Information processing; MOSFETs; Quadrature amplitude modulation; Signal processing; Voltage control;
fLanguage
English
Publisher
ieee
Conference_Titel
Electronics, Circuits and Systems, 2006. ICECS '06. 13th IEEE International Conference on
Conference_Location
Nice
Print_ISBN
1-4244-0395-2
Electronic_ISBN
1-4244-0395-2
Type
conf
DOI
10.1109/ICECS.2006.379880
Filename
4263458
Link To Document