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Title : Systematic Rate-independent Reed-Solomon (SR-RS) Erasure Correction Scheme
Author(s) : B. Shen, et al
Filename : draft-shen-rmt-bb-fec-srrscode
Pages : 18
Date : May 17, 2012
This document specifies a systematic rate-independent Reed-Solomon
(SR-RS) Erasure correction scheme. The two properties, systematic
and rate-independent, are fulfilled by Lagrange polynomial
interpolation. When the number of output symbols is fixed this
scheme essentially generates a Reed-Solomon (RS) code. Therefore,
based on the MDS (maximum distance separable) property of RS code,
this erasure correction scheme is optimal (ideal). Also in this
document, a two-step fast recovering (decoding) algorithm using fast
Walsh-Hadamard transform is presented for the proposed erasure
correction scheme. This algorithm achieves the time complexity
O(n*log2(n)), or linear if penalization implementation, such as
multi-core processor, is allowed.
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