First release

just1nGH · Oct 16, 2021 · e929686 · e929686
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diff --git a/LDPC_decoder_help_doc.pdf b/LDPC_decoder_help_doc.pdf
diff --git a/LDPC_endcoder_help_doc.pdf b/LDPC_endcoder_help_doc.pdf
diff --git a/README.md b/README.md
@@ -0,0 +1,8 @@
+# 5G-NR-LDPC
+5G NR LDPC MATLAB implementation
+
+A good starting point is to run `example_run.m`
+
+This implementation uses min-sum offset decoding algorithms, read `LDPC_decoder_help_doc.pdf` for detail.
+
+Any questions, eamil juquan.justin.mao@gmail.com 
diff --git a/Source files/example_run.cpp b/Source files/example_run.cpp
@@ -24,7 +24,7 @@ int main() {
 void example_run_LDPC()
 {
 	unsigned nMaxIter = 8; // number of decoders
-	int M = 4000; // code word length
+	int M = 1000; // code word length
 	double rate = 1.0 / 3; // code rate
 
 	unsigned K = unsigned(ceil(M * rate)); // information length
@@ -38,7 +38,7 @@ void example_run_LDPC()
 	normal_distribution<double> norm_dist(0, 1);
 
 	// Running parameters
-	vector<double> EsN0_dB = lin_space(-4, -3, 6);
+	vector<double> EsN0_dB = lin_space(-4, -2, 9);
 	vector<double> N0(EsN0_dB.size(), 0);
 	transform(EsN0_dB.begin(), EsN0_dB.end(), N0.begin(), [](const float& x) {return pow(10.0, -x / 10.0); });