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Updated the sin cos table condition check

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- Sin cos table quadrant condition checks are updated
- function are indented properly
- Debug prints are updated for double data type
This commit is contained in:
Parminder Singh
2020-11-05 16:31:16 +01:00
parent c16e5831d1
commit 13645b1b5e
3 changed files with 113 additions and 117 deletions
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openair1/SIMULATION/TOOLS/phase_noise.c
+14 -18
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@@ -29,7 +29,7 @@
/* linear phase noise model */
void phase_noise(double ts, int16_t * InRe, int16_t * InIm)
{
static double i=0;
static uint64_t i=0;
int32_t x=0 ,y=0;
double fd = 300;//0.01*30000
int16_t SinValue = 0, CosValue= 0;
@@ -39,33 +39,29 @@ void phase_noise(double ts, int16_t * InRe, int16_t * InIm)
if(IdxModulo<2*ResolSinCos)//< 2 check for 1st and 2nd
{
if(IdxModulo>=ResolSinCos)//>= 1 is 2nd Quadrant
{
SinValue = LUTSin[2*ResolSinCos-IdxModulo];
CosValue = -LUTSin[IdxModulo-ResolSinCos];
}
else// 1st Quadrant
if(IdxModulo < ResolSinCos)// 1st Quadrant
{
SinValue = LUTSin[IdxModulo];
CosValue = LUTSin[ResolSinCos-IdxModulo];
}
}
else if((IdxModulo>2*ResolSinCos))//> 2 check for 3rd and 4th
{
if(IdxModulo>=3*ResolSinCos)//> 3 is 4th Quadrant
else// 2nd Quadrant
{
SinValue = -LUTSin[4*ResolSinCos-IdxModulo];
CosValue = LUTSin[IdxModulo-3*ResolSinCos];
SinValue = LUTSin[2*ResolSinCos-IdxModulo];
CosValue = -LUTSin[IdxModulo-ResolSinCos];
}
else//3rd Quadrant
}
else // 3rd and 4th Quadrant
{
if(IdxModulo < 3*ResolSinCos)// 3rd Quadrant
{
SinValue = -LUTSin[IdxModulo-2*ResolSinCos];
CosValue = -LUTSin[3*ResolSinCos-IdxModulo];
}
}
else
{
AssertFatal(0==1,"Error in look-up table of sine function!\n");
else//4th Quadrant
{
SinValue = -LUTSin[4*ResolSinCos-IdxModulo];
CosValue = LUTSin[IdxModulo-3*ResolSinCos];
}
}
x = ( ((int32_t)InRe[0] * CosValue) - ((int32_t)InIm[0] * SinValue ));
y = ( ((int32_t)InIm[0] * CosValue) + ((int32_t)InRe[0] * SinValue ));