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300 megabit/second Berlekamp decoder for binary BCH codes

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1 Author(s)
Kraft, C. ; AT&T Bell Lab., Naperville, IL, USA

A very fast, parallel, combinatorial Berlekamp decoder that can perform the second step in binary BCH decoding at rates exceeding 300 Mb/s is presented. The circuit given is for the t=3 case. It is possible to build a t=5 decoder that can operate faster than 100 Mb/s. In addition to the Berlekamp section, the complete BCH decoder also requires a syndrome generator and a root finder. These can be implemented in a straightforward way with sequential circuits and ROMs or fast static RAMs. For the t=3 code, there are only three syndrome components yielding 48 clock cycles for 255 incoming bits

Published in:
Global Telecommunications Conference, 1991. GLOBECOM '91. 'Countdown to the New Millennium. Featuring a Mini-Theme on: Personal Communications Services

Date of Conference: 2-5 Dec 1991

Page(s):
775 - 778 vol.2
Meeting Date :
02 Dec 1991-05 Dec 1991
Print ISBN:
0-87942-697-7
INSPEC Accession Number:
4291221
Conference Location :
Phoenix, AZ
Digital Object Identifier :
10.1109/GLOCOM.1991.188488
Product Type:
Conference Publications

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