receiver

@@ -112,6 +112,7 @@
   <ItemGroup>
     <ClCompile Include="constellation_main.cpp" />
     <ClCompile Include="myMatrix.cpp" />
+    <ClCompile Include="receiver.cpp" />
     <ClCompile Include="sender.cpp">
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
     </ClCompile>

@@ -24,6 +24,9 @@
     <ClCompile Include="sender.cpp">
       <Filter>소스 파일</Filter>
     </ClCompile>
+    <ClCompile Include="receiver.cpp">
+      <Filter>소스 파일</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="sender.h">

+#include "receiver.h"
+#include "variables.h"
+#include<iostream>
+#include<cmath>
+using namespace std;
+#define PI 3.14159
+
+
+Creceiver::Creceiver() {
+	float c0[20];
+	float c1[20];
+	for (float t = 0; t < Nsamplespersymbol; t++)
+	{
+		c0[(int)t] = sqrt(2 * Nsamplespersymbol)*cos(2 * PI*Nsamplespersymbol*t);
+		c1[(int)t] = sqrt(2 * Nsamplespersymbol)*sin(2 * PI*Nsamplespersymbol*t);
+	}
+	for (int i = 0; i < Nbits * 10; i = i + 20) //
+	{
+		float sum = 0;
+		float sum2 = 0;
+		for (int j = 0; j < 20; i++)
+		{
+			sum = sum + (r[i + j] * c0[j]);
+			sum2 = sum2 + (r[i + j] * c1[j]);
+		}
+		constellation[i] = sum;
+		constellation[i + 1] = sum2;
+	}
+}
+float *r; // corrupted signal = received signal
+float constellation[Nbits];
+char DecodedData[Nbits];
+void Creceiver::demodulate()
+{
+	float c0[20];
+	float c1[20];
+	for (float t = 0; t < Nsamplespersymbol; t++)
+	{
+		c0[(int)t] = sqrt(2 * Nsamplespersymbol)*cos(2 * PI*Nsamplespersymbol*t);
+		c1[(int)t] = sqrt(2 * Nsamplespersymbol)*sin(2 * PI*Nsamplespersymbol*t);
+	}
+	for (int i = 0; i < Nbits * 10; i = i + 20) //
+	{
+		float sum = 0;
+		float sum2 = 0;
+		for (int j = 0; j < 20; i++)
+		{
+			sum = sum + (r[i + j] * c0[j]);
+			sum2 = sum2 + (r[i + j] * c1[j]);
+		}
+		constellation[i] = sum;
+		constellation[i + 1] = sum2;
+	}
+};
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