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Linear Feedback Shift Registers for GNU Guile
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This library contains three scheme modules targetted at GNU Guile. The
(communication lfsr) module implements linear feedback shift registers as
infinite streams of bits. LFSRs are used, for example, to generate chip
sequences in CDMA systems, for synchronising preambles or as pseudo random
number generators. The module implements LFSRs in both Fibonacci and Galois
configurations.
The (communication gps-ca) module, which uses the former implements streams
that produce pseudo random gold chip sequences as used in C/A of the GPS
satellite system. It uses LFSRs in Fibonacci configuration.
The (communication ieee802-15-4a-preamble) module implements ternary preamble
sequences as used in ultra-wideband transmissions the ieee-802.15.4a standard.
The generators for these sequences use LFSRs in Galois configuration.
To run the test-suite of the library, the following additional dependency is
required: https://gitlab.com/ft/guile-tap