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-rw-r--r--gnuradio-core/src/lib/general/gr_constellation.cc32
-rw-r--r--gnuradio-core/src/lib/general/gr_constellation.h15
-rw-r--r--gnuradio-core/src/lib/general/gr_constellation.i9
3 files changed, 41 insertions, 15 deletions
diff --git a/gnuradio-core/src/lib/general/gr_constellation.cc b/gnuradio-core/src/lib/general/gr_constellation.cc
index e3b4c14e7..27590bf82 100644
--- a/gnuradio-core/src/lib/general/gr_constellation.cc
+++ b/gnuradio-core/src/lib/general/gr_constellation.cc
@@ -35,16 +35,19 @@
#define SQRT_TWO 0.707107
gr_constellation_sptr
-gr_make_constellation(std::vector<gr_complex> constellation, std::vector<unsigned int> pre_diff_code)
+gr_make_constellation(std::vector<gr_complex> constellation, std::vector<unsigned int> pre_diff_code,
+ unsigned int rotational_symmetry)
{
- return gr_constellation_sptr(new gr_constellation (constellation, pre_diff_code));
+ return gr_constellation_sptr(new gr_constellation (constellation, pre_diff_code, rotational_symmetry));
}
// Base Constellation Class
-gr_constellation::gr_constellation (std::vector<gr_complex> constellation, std::vector<unsigned int> pre_diff_code) :
+gr_constellation::gr_constellation (std::vector<gr_complex> constellation, std::vector<unsigned int> pre_diff_code,
+ unsigned int rotational_symmetry) :
d_constellation(constellation),
- d_pre_diff_code(pre_diff_code)
+ d_pre_diff_code(pre_diff_code),
+ d_rotational_symmetry(rotational_symmetry)
{
if (pre_diff_code.size() == 0)
d_apply_pre_diff_code = false;
@@ -55,7 +58,8 @@ gr_constellation::gr_constellation (std::vector<gr_complex> constellation, std::
}
gr_constellation::gr_constellation () :
- d_apply_pre_diff_code(false)
+ d_apply_pre_diff_code(false),
+ d_rotational_symmetry(0)
{
}
@@ -128,8 +132,9 @@ void gr_constellation::calc_hard_symbol_metric(gr_complex sample, float *metric)
gr_constellation_sector::gr_constellation_sector (std::vector<gr_complex> constellation,
std::vector<unsigned int> pre_diff_code,
+ unsigned int rotational_symmetry,
unsigned int n_sectors) :
- gr_constellation(constellation, pre_diff_code),
+ gr_constellation(constellation, pre_diff_code, rotational_symmetry),
n_sectors(n_sectors)
{
}
@@ -151,17 +156,21 @@ void gr_constellation_sector::find_sector_values () {
gr_constellation_rect_sptr
gr_make_constellation_rect(std::vector<gr_complex> constellation,
std::vector<unsigned int> pre_diff_code,
+ unsigned int rotational_symmetry,
unsigned int real_sectors, unsigned int imag_sectors,
float width_real_sectors, float width_imag_sectors)
{
- return gr_constellation_rect_sptr(new gr_constellation_rect (constellation, pre_diff_code, real_sectors, imag_sectors, width_real_sectors, width_imag_sectors));
+ return gr_constellation_rect_sptr(new gr_constellation_rect (constellation, pre_diff_code, rotational_symmetry,
+ real_sectors, imag_sectors, width_real_sectors,
+ width_imag_sectors));
}
gr_constellation_rect::gr_constellation_rect (std::vector<gr_complex> constellation,
std::vector<unsigned int> pre_diff_code,
+ unsigned int rotational_symmetry,
unsigned int real_sectors, unsigned int imag_sectors,
float width_real_sectors, float width_imag_sectors) :
- gr_constellation_sector(constellation, pre_diff_code, real_sectors * imag_sectors),
+ gr_constellation_sector(constellation, pre_diff_code, rotational_symmetry, real_sectors * imag_sectors),
n_real_sectors(real_sectors), n_imag_sectors(imag_sectors),
d_width_real_sectors(width_real_sectors), d_width_imag_sectors(width_imag_sectors)
{
@@ -199,13 +208,14 @@ gr_make_constellation_psk(std::vector<gr_complex> constellation,
std::vector<unsigned int> pre_diff_code,
unsigned int n_sectors)
{
- return gr_constellation_psk_sptr(new gr_constellation_psk (constellation, pre_diff_code, n_sectors));
+ return gr_constellation_psk_sptr(new gr_constellation_psk (constellation, pre_diff_code,
+ n_sectors));
}
gr_constellation_psk::gr_constellation_psk (std::vector<gr_complex> constellation,
std::vector<unsigned int> pre_diff_code,
unsigned int n_sectors) :
- gr_constellation_sector(constellation, pre_diff_code, n_sectors)
+ gr_constellation_sector(constellation, pre_diff_code, constellation.size(), n_sectors)
{
find_sector_values();
}
@@ -241,6 +251,7 @@ gr_constellation_bpsk::gr_constellation_bpsk ()
d_constellation.resize(2);
d_constellation[0] = gr_complex(-1, 0);
d_constellation[1] = gr_complex(1, 0);
+ d_rotational_symmetry = 2;
}
unsigned int gr_constellation_bpsk::decision_maker(gr_complex sample)
@@ -263,6 +274,7 @@ gr_constellation_qpsk::gr_constellation_qpsk ()
d_constellation[1] = gr_complex(SQRT_TWO, -SQRT_TWO);
d_constellation[2] = gr_complex(-SQRT_TWO, SQRT_TWO);
d_constellation[3] = gr_complex(SQRT_TWO, SQRT_TWO);
+ d_rotational_symmetry = 4;
}
unsigned int gr_constellation_qpsk::decision_maker(gr_complex sample)
diff --git a/gnuradio-core/src/lib/general/gr_constellation.h b/gnuradio-core/src/lib/general/gr_constellation.h
index 440e32e57..4083e5b5b 100644
--- a/gnuradio-core/src/lib/general/gr_constellation.h
+++ b/gnuradio-core/src/lib/general/gr_constellation.h
@@ -40,13 +40,15 @@ typedef boost::shared_ptr<gr_constellation> gr_constellation_sptr;
// public constructor
gr_constellation_sptr
-gr_make_constellation (std::vector<gr_complex> constellation, std::vector<unsigned int> pre_diff_code);
+gr_make_constellation (std::vector<gr_complex> constellation, std::vector<unsigned int> pre_diff_code,
+ unsigned int rotational_symmetry);
class gr_constellation : public boost::enable_shared_from_this<gr_constellation>
{
public:
- gr_constellation (std::vector<gr_complex> constellation, std::vector<unsigned int> pre_diff_code);
+ gr_constellation (std::vector<gr_complex> constellation, std::vector<unsigned int> pre_diff_code,
+ unsigned int rotational_symmetry);
gr_constellation ();
//! Returns the set of points in this constellation.
@@ -55,7 +57,9 @@ class gr_constellation : public boost::enable_shared_from_this<gr_constellation>
bool apply_pre_diff_code() { return d_apply_pre_diff_code;}
//! Returns the encoding to apply before differential encoding.
std::vector<unsigned int> pre_diff_code() { return d_pre_diff_code;}
-
+ //! Returns the order of rotational symmetry.
+ unsigned int rotational_symmetry() { return d_rotational_symmetry;}
+
//! Returns the constellation point that matches best.
//! Also calculates the phase error.
virtual unsigned int decision_maker (gr_complex sample);
@@ -83,6 +87,7 @@ class gr_constellation : public boost::enable_shared_from_this<gr_constellation>
std::vector<gr_complex> d_constellation;
std::vector<unsigned int> d_pre_diff_code;
bool d_apply_pre_diff_code;
+ unsigned int d_rotational_symmetry;
private:
friend gr_constellation_sptr
@@ -104,6 +109,7 @@ class gr_constellation_sector : public gr_constellation
gr_constellation_sector (std::vector<gr_complex> constellation,
std::vector<unsigned int> pre_diff_code,
+ unsigned int rotational_symmetry,
unsigned int n_sectors);
unsigned int decision_maker (gr_complex sample);
@@ -141,6 +147,7 @@ typedef boost::shared_ptr<gr_constellation_rect> gr_constellation_rect_sptr;
// public constructor
gr_constellation_rect_sptr
gr_make_constellation_rect (std::vector<gr_complex> constellation, std::vector<unsigned int> pre_diff_code,
+ unsigned int rotational_symmetry,
unsigned int real_sectors, unsigned int imag_sectors,
float width_real_sectors, float width_imag_sectors);
@@ -149,6 +156,7 @@ class gr_constellation_rect : public gr_constellation_sector
public:
gr_constellation_rect (std::vector<gr_complex> constellation, std::vector<unsigned int> pre_diff_code,
+ unsigned int rotational_symmetry,
unsigned int real_sectors, unsigned int imag_sectors,
float width_real_sectors, float width_imag_sectors);
@@ -167,6 +175,7 @@ class gr_constellation_rect : public gr_constellation_sector
friend gr_constellation_rect_sptr
gr_make_constellation_rect (std::vector<gr_complex> constellation, std::vector<unsigned int> pre_diff_code,
+ unsigned int rotational_symmetry,
unsigned int real_sectors, unsigned int imag_sectors,
float width_real_sectors, float width_imag_sectors);
diff --git a/gnuradio-core/src/lib/general/gr_constellation.i b/gnuradio-core/src/lib/general/gr_constellation.i
index 762289c57..18d0cc92b 100644
--- a/gnuradio-core/src/lib/general/gr_constellation.i
+++ b/gnuradio-core/src/lib/general/gr_constellation.i
@@ -31,14 +31,16 @@ typedef boost::shared_ptr<gr_constellation> gr_constellation_sptr;
%template(gr_constellation_sptr) boost::shared_ptr<gr_constellation>;
%rename(constellation) gr_make_constellation;
gr_constellation_sptr gr_make_constellation(std::vector<gr_complex> constellation,
- std::vector<unsigned int> pre_diff_code);
+ std::vector<unsigned int> pre_diff_code,
+ unsigned int rotational_symmetry);
%ignore gr_constellation;
class gr_constellation
{
public:
gr_constellation (std::vector<gr_complex> constellation,
- std::vector<unsigned int> pre_diff_code);
+ std::vector<unsigned int> pre_diff_code,
+ unsigned int rotational_symmetry);
std::vector<gr_complex> points();
unsigned int decision_maker (gr_complex sample);
unsigned int bits_per_symbol ();
@@ -46,6 +48,7 @@ public:
gr_constellation_sptr base ();
bool apply_pre_diff_code();
std::vector<unsigned int> pre_diff_code();
+ unsigned int rotational_symmetry();
};
class gr_constellation_sector: public gr_constellation
@@ -58,6 +61,7 @@ typedef boost::shared_ptr<gr_constellation_rect> gr_constellation_rect_sptr;
%rename(constellation_rect) gr_make_constellation_rect;
gr_constellation_rect_sptr gr_make_constellation_rect(std::vector<gr_complex> constellation,
std::vector<unsigned int> pre_diff_code,
+ unsigned int rotational_symmetry,
unsigned int real_sectors, unsigned int imag_sectors,
float width_real_sectors, float width_imag_sectors);
%ignore gr_constellation_rect;
@@ -67,6 +71,7 @@ class gr_constellation_rect : public gr_constellation_sector
public:
gr_constellation_rect (std::vector<gr_complex> constellation,
std::vector<unsigned int> pre_diff_code,
+ unsigned int rotational_symmetry,
unsigned int real_sectors, unsigned int imag_sectors,
float width_real_sectors, float width_imag_sectors);
};
generated by cgit (git 2.34.1) at 2024-12-21 08:27:36 +0000