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Diffstat (limited to 'viterbi_generator/tests/utils/viterbi_init.m')
| -rw-r--r-- | viterbi_generator/tests/utils/viterbi_init.m | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/viterbi_generator/tests/utils/viterbi_init.m b/viterbi_generator/tests/utils/viterbi_init.m new file mode 100644 index 0000000..a43b801 --- /dev/null +++ b/viterbi_generator/tests/utils/viterbi_init.m @@ -0,0 +1,38 @@ +function [ SYMBOLS , PREVIOUS , NEXT , START , STOPS ] = viterbi_init(Lh) +% VITERBI_INIT: +% This function returns the tables which are used by the +% viterbi demodulator which is implemented in the GSMsim +% package. +% +% SYNTAX: [ SYMBOLS , PREVIOUS , NEXT , START , STOPS ] +% = +% viterbi_init(Lh) +% +% INPUT: Lh: The length of the channel impulse response +% minus one. +% +% OUTPUT: SYMBOLS: Statenumber to MSK-symbols mapping table. +% PREVIOUS: This state to legal previous state mapping table. +% NEXT: This state to legal next state mapping table. +% START: The start state of the viterbi algorithm. +% STOPS: The set of legal stop states for the viterbi +% algorithm. +% +% GLOBAL: None +% +% SUB_FUNC: make_symbols,make_previous,make_next,make_start,make_stops +% +% WARNINGS: None +% +% TEST: Verified that the function actually runs the subfunctions. +% +% AUTHOR: Jan H. Mikkelsen / Arne Norre Ekstrøm +% EMAIL: hmi@kom.auc.dk / aneks@kom.auc.dk +% +% $Id: viterbi_init.m,v 1.4 1998/02/12 10:52:15 aneks Exp $ + +SYMBOLS = make_symbols(Lh); +PREVIOUS = make_previous(SYMBOLS); +NEXT = make_next(SYMBOLS); +START = make_start(Lh,SYMBOLS); +STOPS = make_stops(Lh,SYMBOLS); |