http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
serially concatenated BCH-Turbo code scheme over an Additive White Gaussion Noise channel
algorithm and have enough algebraic structure within them to
an Additive White Gaussian Noise (AWGN) channel. Turbo
and breakthrough work in error control coding in recent
applications requires several iterations between the multiple
at the receiver. Using a sole turbo code for deep space
BCH code, so that no loss in performance is observed due to
be less complicated than a fully iterative turbo decoder
because of the intensive computations required at each
codes involved combining some dormant concepts with novel
codes, first presented in 1993, represent the most innovative
concatenated BCH-turbo code scheme for faster decoding over
converge so that no significant loss in performance is
decoder to operate at fewer iterations so that the turbo code
decoders at the receiver. Typically no less than 10
decoding process speeds up and at the same time provides
enough protection (error correcting capability) within the
inner turbo code and an outer BCH code which would permit the
inner turbo code. The proposed coding scheme employs an
It is also likely that the concatenated coding scheme would
iterations would be required for the decoding algorithm to
observed. This work attempts to look at one way to reduce
parallel concatenated convolutional codes. Research in turbo
relatively simple to decode using the Berlekamp-Massey
residual errors that may remain after the decoding of the
space and satellite channels. Turbo codes are essentially
techniques for decoding, to offer the kind of performance
that these codes do. Turbo codes use an iterative decoder
the decoding delay by using a concatenated coding scheme.
The outer BCH code is essentially used to clear out any
the reduced iterations within the turbo code. BCH codes are
This work deals with the implementation of a serially
times. These codes offer nearcapacity performance on deep
use where multiple error-correcting capability is required.
which could take up a considerable amount of processing time
"Major subject: Electrical Engineering".
Issued also on microfiche from Lange Micrographics.
Includes bibliographical references: pages 41-42.