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Type: Conference paper
Title: Interconnection network for structured low-density parity-check decoders
Author: Malema, G.
Liebelt, M.
Citation: 2005 Asia-Pacific Conference on Communications, Perth, Western Australia, 3-5 October 2005 / pp. 537-540
Part of: Proceedings of the 2005 Asia-Pacific Conference on Communications
Publisher: IEEE
Publisher Place: CD ROM
Issue Date: 2005
ISBN: 0780391322
Conference Name: Asia-Pacific Conference on Communications (11th : 2005 : Perth, Western Australia)
Editor: Chung, K.
Statement of
Malema, G. ; Liebelt, M.
Abstract: Most structured codes use the group-and-permute design approach in which rows and columns are divided into groups of the same size. Row/column groups and individual row-column are connected by some permutation. A general group-and-permute decoder requires an interconnection network for group-to-group communication. In this paper we suggest the use of self-routed Benes networks based on the communication pattern of LDPC codes. Bipartite edge coloring is used to schedule messages such that there are no switch network output conflicts. The looping routing algorithm for Benes networks is used to compute switching codes. Both scheduling information and switching codes are pre-computed and stored for each design code since they do not change in the lifetime of the code.
Description: © Copyright 2005 IEEE
DOI: 10.1109/APCC.2005.1554118
Appears in Collections:Aurora harvest 2
Electrical and Electronic Engineering publications
Environment Institute publications

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