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Included error correction on P25 TDULC.

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Added a new "heuristics" module for P25 that improves the estimation of the symbol (dibit) that corresponds to a given analog signal value.
Added a BER (bit error reate) estimation for P25.
This commit is contained in:
EdFuentetaja
2014-05-11 02:23:24 +08:00
parent b45e563e54
commit 9d0fe07931
30 changed files with 2976 additions and 828 deletions
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40
test/golay24-test.cpp
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@@ -40,12 +40,12 @@ protected:
{
DSDGolay24 golay24;
unsigned int trashed_codeword = golay24.adapt_to_codeword(hex, sgp);
unsigned int trashed_codeword = golay24.adapt_to_codeword(hex, 6, sgp);
//printf("[%s]", hex_to_bin24(trashed_codeword));
int fixed_errors = 0;
int many_errors = golay24.decode(hex, sgp, &fixed_errors); // try to correct bit errors
int many_errors = golay24.decode_6(hex, sgp, &fixed_errors); // try to correct bit errors
/*
printf(" -> ");
@@ -72,6 +72,18 @@ protected:
//printf("\n");
}
static void check_encode(char* hex, char* expected_parity)
{
DSDGolay24 golay24;
char parity[12];
golay24.encode_6(hex, parity);
for(unsigned int i=0; i<12; i++) {
EXPECT_EQ(expected_parity[i], parity[i]);
}
}
};
TEST_F(Golay24Test, Test1)
@@ -136,3 +148,27 @@ TEST_F(Golay24Test, Test7)
fix_golay24(hex, parity, expected, 2);
}
TEST_F(Golay24Test, Test_encode_1)
{
char hex[6] = { 1, 0, 1, 0, 1, 0};
char expected_parity[12] = { 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1};
check_encode(hex, expected_parity);
}
TEST_F(Golay24Test, Test_encode_2)
{
char hex[6] = { 0, 0, 1, 0, 0, 0};
char expected_parity[12] = { 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0};
check_encode(hex, expected_parity);
}
TEST_F(Golay24Test, Test_encode_3)
{
char hex[6] = { 0, 0, 0, 0, 0, 0};
char expected_parity[12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
check_encode(hex, expected_parity);
}