define constellation in utils.cc
This commit is contained in:
Bastian Bloessl
+4
-54
@@ -40,65 +40,18 @@ ofdm_decode_mac_impl(bool log, bool debug) : block("ofdm_decode_mac",
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message_port_register_out(pmt::mp("out"));
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// bpsk
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std::complex<double> bpsk_syms[] = {std::complex<double>(-1, 0), std::complex<double>(1, 0)};
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int bpsk_bits[] = {0, 1};
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bpsk.set(cvec(bpsk_syms, 2), ivec(bpsk_bits, 2));
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bpsk.set(cvec(BPSK_D, 2), ivec(bpsk_bits, 2));
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// qpsk
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std::complex<double> qpsk_syms[] = {
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std::complex<double>(-1, -1), std::complex<double>(-1, 1),
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std::complex<double>( 1, -1), std::complex<double>( 1, 1)};
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int qpsk_bits[] = {0, 1, 2, 3};
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qpsk.set(cvec(qpsk_syms, 4), ivec(qpsk_bits, 4));
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qpsk.set(cvec(QPSK_D, 4), ivec(qpsk_bits, 4));
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// qam16
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std::complex<double> qam16_syms[] = {
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std::complex<double>(-0.9487, -0.9487), std::complex<double>(-0.9487, -0.3162),
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std::complex<double>(-0.9487, 0.9487), std::complex<double>(-0.9487, 0.3162),
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std::complex<double>(-0.3162, -0.9487), std::complex<double>(-0.3162, -0.3162),
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std::complex<double>(-0.3162, 0.9487), std::complex<double>(-0.3162, 0.3162),
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std::complex<double>(0.9487, -0.9487), std::complex<double>(0.9487, -0.3162),
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std::complex<double>(0.9487, 0.9487), std::complex<double>(0.9487, 0.3162),
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std::complex<double>(0.3162, -0.9487), std::complex<double>(0.3162, -0.3162),
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std::complex<double>(0.3162, 0.9487), std::complex<double>(0.3162, 0.3162)};
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int qam16_bits[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
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qam16.set(cvec(qam16_syms, 16), ivec(qam16_bits, 16));
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qam16.set(cvec(QAM16_D, 16), ivec(qam16_bits, 16));
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// qam64
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std::complex<double> qam64_syms[] = {
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std::complex<double>(-1.0801, -1.0801), std::complex<double>(-1.0801, -0.7715),
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std::complex<double>(-1.0801, -0.1543), std::complex<double>(-1.0801, -0.4629),
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std::complex<double>(-1.0801, 1.0801), std::complex<double>(-1.0801, 0.7715),
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std::complex<double>(-1.0801, 0.1543), std::complex<double>(-1.0801, 0.4629),
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std::complex<double>(-0.7715, -1.0801), std::complex<double>(-0.7715, -0.7715),
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std::complex<double>(-0.7715, -0.1543), std::complex<double>(-0.7715, -0.4629),
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std::complex<double>(-0.7715, 1.0801), std::complex<double>(-0.7715, 0.7715),
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std::complex<double>(-0.7715, 0.1543), std::complex<double>(-0.7715, 0.4629),
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std::complex<double>(-0.1543, -1.0801), std::complex<double>(-0.1543, -0.7715),
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std::complex<double>(-0.1543, -0.1543), std::complex<double>(-0.1543, -0.4629),
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std::complex<double>(-0.1543, 1.0801), std::complex<double>(-0.1543, 0.7715),
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std::complex<double>(-0.1543, 0.1543), std::complex<double>(-0.1543, 0.4629),
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std::complex<double>(-0.4629, -1.0801), std::complex<double>(-0.4629, -0.7715),
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std::complex<double>(-0.4629, -0.1543), std::complex<double>(-0.4629, -0.4629),
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std::complex<double>(-0.4629, 1.0801), std::complex<double>(-0.4629, 0.7715),
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std::complex<double>(-0.4629, 0.1543), std::complex<double>(-0.4629, 0.4629),
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std::complex<double>(1.0801, -1.0801), std::complex<double>(1.0801, -0.7715),
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std::complex<double>(1.0801, -0.1543), std::complex<double>(1.0801, -0.4629),
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std::complex<double>(1.0801, 1.0801), std::complex<double>(1.0801, 0.7715),
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std::complex<double>(1.0801, 0.1543), std::complex<double>(1.0801, 0.4629),
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std::complex<double>(0.7715, -1.0801), std::complex<double>(0.7715, -0.7715),
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std::complex<double>(0.7715, -0.1543), std::complex<double>(0.7715, -0.4629),
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std::complex<double>(0.7715, 1.0801), std::complex<double>(0.7715, 0.7715),
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std::complex<double>(0.7715, 0.1543), std::complex<double>(0.7715, 0.4629),
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std::complex<double>(0.1543, -1.0801), std::complex<double>(0.1543, -0.7715),
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std::complex<double>(0.1543, -0.1543), std::complex<double>(0.1543, -0.4629),
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std::complex<double>(0.1543, 1.0801), std::complex<double>(0.1543, 0.7715),
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std::complex<double>(0.1543, 0.1543), std::complex<double>(0.1543, 0.4629),
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std::complex<double>(0.4629, -1.0801), std::complex<double>(0.4629, -0.7715),
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std::complex<double>(0.4629, -0.1543), std::complex<double>(0.4629, -0.4629),
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std::complex<double>(0.4629, 1.0801), std::complex<double>(0.4629, 0.7715),
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std::complex<double>(0.4629, 0.1543), std::complex<double>(0.4629, 0.4629)};
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int qam64_bits[] = {
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
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10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
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@@ -107,10 +60,7 @@ ofdm_decode_mac_impl(bool log, bool debug) : block("ofdm_decode_mac",
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40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
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50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
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60, 61, 62, 63};
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qam64.set(cvec(qam64_syms, 64), ivec(qam64_bits, 64));
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}
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~ofdm_decode_mac_impl(){
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qam64.set(cvec(QAM64_D, 64), ivec(qam64_bits, 64));
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}
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int general_work (int noutput_items, gr_vector_int& ninput_items,
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+5
-59
@@ -63,7 +63,7 @@ void map_to_symbols(const char *bits, size_t len) {
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for(int i = 0; i < len; i++) {
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// the signal field is bpsk encoded
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d_symbols[i] = (i < 48) ? bpsk_mapping[bits[i]] : mapping[bits[i]];
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d_symbols[i] = (i < 48) ? BPSK[bits[i]] : mapping[bits[i]];
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dout << d_symbols[i] << " ";
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}
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dout << std::endl;
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@@ -194,22 +194,22 @@ void set_encoding(Encoding encoding) {
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switch (encoding) {
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case BPSK_1_2:
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case BPSK_3_4:
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mapping = bpsk_mapping;
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mapping = BPSK;
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break;
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case QPSK_1_2:
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case QPSK_3_4:
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mapping = qpsk_mapping;
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mapping = QPSK;
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break;
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case QAM16_1_2:
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case QAM16_3_4:
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mapping = qam16_mapping;
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mapping = QAM16;
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break;
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case QAM64_2_3:
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case QAM64_3_4:
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mapping = qam64_mapping;
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mapping = QAM64;
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break;
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default:
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@@ -227,62 +227,8 @@ private:
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gr::thread::mutex d_mutex;
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const gr_complex *mapping;
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static const gr_complex bpsk_mapping[2];
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static const gr_complex qpsk_mapping[4];
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static const gr_complex qam16_mapping[16];
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static const gr_complex qam64_mapping[64];
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};
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// constellations for different modulations (normalized to avg power 1)
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const gr_complex ofdm_mapper_impl::bpsk_mapping[2] = {
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gr_complex(-1.0, 0.0), gr_complex(1.0, 0.0)};
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const gr_complex ofdm_mapper_impl::qpsk_mapping[4] = {
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gr_complex(-0.7071, -0.7071), gr_complex(-0.7071, 0.7071),
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gr_complex(+0.7071, -0.7071), gr_complex(+0.7071, 0.7071)};
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const gr_complex ofdm_mapper_impl::qam16_mapping[16] = {
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gr_complex(-0.9487, -0.9487), gr_complex(-0.9487, -0.3162),
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gr_complex(-0.9487, 0.9487), gr_complex(-0.9487, 0.3162),
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gr_complex(-0.3162, -0.9487), gr_complex(-0.3162, -0.3162),
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gr_complex(-0.3162, 0.9487), gr_complex(-0.3162, 0.3162),
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gr_complex(0.9487, -0.9487), gr_complex(0.9487, -0.3162),
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gr_complex(0.9487, 0.9487), gr_complex(0.9487, 0.3162),
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gr_complex(0.3162, -0.9487), gr_complex(0.3162, -0.3162),
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gr_complex(0.3162, 0.9487), gr_complex(0.3162, 0.3162)};
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const gr_complex ofdm_mapper_impl::qam64_mapping[64] = {
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gr_complex(-1.0801, -1.0801), gr_complex(-1.0801, -0.7715),
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gr_complex(-1.0801, -0.1543), gr_complex(-1.0801, -0.4629),
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gr_complex(-1.0801, 1.0801), gr_complex(-1.0801, 0.7715),
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gr_complex(-1.0801, 0.1543), gr_complex(-1.0801, 0.4629),
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gr_complex(-0.7715, -1.0801), gr_complex(-0.7715, -0.7715),
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gr_complex(-0.7715, -0.1543), gr_complex(-0.7715, -0.4629),
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gr_complex(-0.7715, 1.0801), gr_complex(-0.7715, 0.7715),
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gr_complex(-0.7715, 0.1543), gr_complex(-0.7715, 0.4629),
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gr_complex(-0.1543, -1.0801), gr_complex(-0.1543, -0.7715),
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gr_complex(-0.1543, -0.1543), gr_complex(-0.1543, -0.4629),
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gr_complex(-0.1543, 1.0801), gr_complex(-0.1543, 0.7715),
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gr_complex(-0.1543, 0.1543), gr_complex(-0.1543, 0.4629),
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gr_complex(-0.4629, -1.0801), gr_complex(-0.4629, -0.7715),
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gr_complex(-0.4629, -0.1543), gr_complex(-0.4629, -0.4629),
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gr_complex(-0.4629, 1.0801), gr_complex(-0.4629, 0.7715),
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gr_complex(-0.4629, 0.1543), gr_complex(-0.4629, 0.4629),
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gr_complex(1.0801, -1.0801), gr_complex(1.0801, -0.7715),
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gr_complex(1.0801, -0.1543), gr_complex(1.0801, -0.4629),
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gr_complex(1.0801, 1.0801), gr_complex(1.0801, 0.7715),
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gr_complex(1.0801, 0.1543), gr_complex(1.0801, 0.4629),
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gr_complex(0.7715, -1.0801), gr_complex(0.7715, -0.7715),
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gr_complex(0.7715, -0.1543), gr_complex(0.7715, -0.4629),
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gr_complex(0.7715, 1.0801), gr_complex(0.7715, 0.7715),
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gr_complex(0.7715, 0.1543), gr_complex(0.7715, 0.4629),
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gr_complex(0.1543, -1.0801), gr_complex(0.1543, -0.7715),
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gr_complex(0.1543, -0.1543), gr_complex(0.1543, -0.4629),
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gr_complex(0.1543, 1.0801), gr_complex(0.1543, 0.7715),
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gr_complex(0.1543, 0.1543), gr_complex(0.1543, 0.4629),
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gr_complex(0.4629, -1.0801), gr_complex(0.4629, -0.7715),
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gr_complex(0.4629, -0.1543), gr_complex(0.4629, -0.4629),
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gr_complex(0.4629, 1.0801), gr_complex(0.4629, 0.7715),
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gr_complex(0.4629, 0.1543), gr_complex(0.4629, 0.4629)};
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ofdm_mapper::sptr
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ofdm_mapper::make(Encoding mcs, bool debug) {
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return gnuradio::get_initial_sptr(new ofdm_mapper_impl(mcs, debug));
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+106
@@ -20,6 +20,112 @@
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#include <cstring>
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#include <math.h>
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// constellations for different modulations (normalized to avg power 1)
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const std::complex<float> BPSK[2] = {
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std::complex<float>(-1.0, 0.0), std::complex<float>(1.0, 0.0)};
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const std::complex<double> BPSK_D[2] = {
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std::complex<double>(-1.0, 0.0), std::complex<double>(1.0, 0.0)};
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const std::complex<float> QPSK[4] = {
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std::complex<float>(-0.7071, -0.7071), std::complex<float>(-0.7071, 0.7071),
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std::complex<float>(+0.7071, -0.7071), std::complex<float>(+0.7071, 0.7071)};
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const std::complex<double> QPSK_D[4] = {
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std::complex<double>(-0.7071, -0.7071), std::complex<double>(-0.7071, 0.7071),
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std::complex<double>(+0.7071, -0.7071), std::complex<double>(+0.7071, 0.7071)};
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const std::complex<float> QAM16[16] = {
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std::complex<float>(-0.9487, -0.9487), std::complex<float>(-0.9487, -0.3162),
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std::complex<float>(-0.9487, 0.9487), std::complex<float>(-0.9487, 0.3162),
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std::complex<float>(-0.3162, -0.9487), std::complex<float>(-0.3162, -0.3162),
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std::complex<float>(-0.3162, 0.9487), std::complex<float>(-0.3162, 0.3162),
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std::complex<float>(0.9487, -0.9487), std::complex<float>(0.9487, -0.3162),
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std::complex<float>(0.9487, 0.9487), std::complex<float>(0.9487, 0.3162),
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std::complex<float>(0.3162, -0.9487), std::complex<float>(0.3162, -0.3162),
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std::complex<float>(0.3162, 0.9487), std::complex<float>(0.3162, 0.3162)};
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const std::complex<double> QAM16_D[16] = {
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std::complex<double>(-0.9487, -0.9487), std::complex<double>(-0.9487, -0.3162),
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std::complex<double>(-0.9487, 0.9487), std::complex<double>(-0.9487, 0.3162),
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std::complex<double>(-0.3162, -0.9487), std::complex<double>(-0.3162, -0.3162),
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std::complex<double>(-0.3162, 0.9487), std::complex<double>(-0.3162, 0.3162),
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std::complex<double>(0.9487, -0.9487), std::complex<double>(0.9487, -0.3162),
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std::complex<double>(0.9487, 0.9487), std::complex<double>(0.9487, 0.3162),
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std::complex<double>(0.3162, -0.9487), std::complex<double>(0.3162, -0.3162),
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std::complex<double>(0.3162, 0.9487), std::complex<double>(0.3162, 0.3162)};
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const std::complex<float> QAM64[64] = {
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std::complex<float>(-1.0801, -1.0801), std::complex<float>(-1.0801, -0.7715),
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std::complex<float>(-1.0801, -0.1543), std::complex<float>(-1.0801, -0.4629),
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std::complex<float>(-1.0801, 1.0801), std::complex<float>(-1.0801, 0.7715),
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std::complex<float>(-1.0801, 0.1543), std::complex<float>(-1.0801, 0.4629),
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std::complex<float>(-0.7715, -1.0801), std::complex<float>(-0.7715, -0.7715),
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std::complex<float>(-0.7715, -0.1543), std::complex<float>(-0.7715, -0.4629),
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std::complex<float>(-0.7715, 1.0801), std::complex<float>(-0.7715, 0.7715),
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std::complex<float>(-0.7715, 0.1543), std::complex<float>(-0.7715, 0.4629),
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std::complex<float>(-0.1543, -1.0801), std::complex<float>(-0.1543, -0.7715),
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std::complex<float>(-0.1543, -0.1543), std::complex<float>(-0.1543, -0.4629),
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std::complex<float>(-0.1543, 1.0801), std::complex<float>(-0.1543, 0.7715),
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std::complex<float>(-0.1543, 0.1543), std::complex<float>(-0.1543, 0.4629),
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std::complex<float>(-0.4629, -1.0801), std::complex<float>(-0.4629, -0.7715),
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std::complex<float>(-0.4629, -0.1543), std::complex<float>(-0.4629, -0.4629),
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std::complex<float>(-0.4629, 1.0801), std::complex<float>(-0.4629, 0.7715),
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std::complex<float>(-0.4629, 0.1543), std::complex<float>(-0.4629, 0.4629),
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std::complex<float>(1.0801, -1.0801), std::complex<float>(1.0801, -0.7715),
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std::complex<float>(1.0801, -0.1543), std::complex<float>(1.0801, -0.4629),
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std::complex<float>(1.0801, 1.0801), std::complex<float>(1.0801, 0.7715),
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std::complex<float>(1.0801, 0.1543), std::complex<float>(1.0801, 0.4629),
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std::complex<float>(0.7715, -1.0801), std::complex<float>(0.7715, -0.7715),
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std::complex<float>(0.7715, -0.1543), std::complex<float>(0.7715, -0.4629),
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std::complex<float>(0.7715, 1.0801), std::complex<float>(0.7715, 0.7715),
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std::complex<float>(0.7715, 0.1543), std::complex<float>(0.7715, 0.4629),
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std::complex<float>(0.1543, -1.0801), std::complex<float>(0.1543, -0.7715),
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std::complex<float>(0.1543, -0.1543), std::complex<float>(0.1543, -0.4629),
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std::complex<float>(0.1543, 1.0801), std::complex<float>(0.1543, 0.7715),
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std::complex<float>(0.1543, 0.1543), std::complex<float>(0.1543, 0.4629),
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std::complex<float>(0.4629, -1.0801), std::complex<float>(0.4629, -0.7715),
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std::complex<float>(0.4629, -0.1543), std::complex<float>(0.4629, -0.4629),
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std::complex<float>(0.4629, 1.0801), std::complex<float>(0.4629, 0.7715),
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std::complex<float>(0.4629, 0.1543), std::complex<float>(0.4629, 0.4629)};
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const std::complex<double> QAM64_D[64] = {
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std::complex<double>(-1.0801, -1.0801), std::complex<double>(-1.0801, -0.7715),
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std::complex<double>(-1.0801, -0.1543), std::complex<double>(-1.0801, -0.4629),
|
||||
std::complex<double>(-1.0801, 1.0801), std::complex<double>(-1.0801, 0.7715),
|
||||
std::complex<double>(-1.0801, 0.1543), std::complex<double>(-1.0801, 0.4629),
|
||||
std::complex<double>(-0.7715, -1.0801), std::complex<double>(-0.7715, -0.7715),
|
||||
std::complex<double>(-0.7715, -0.1543), std::complex<double>(-0.7715, -0.4629),
|
||||
std::complex<double>(-0.7715, 1.0801), std::complex<double>(-0.7715, 0.7715),
|
||||
std::complex<double>(-0.7715, 0.1543), std::complex<double>(-0.7715, 0.4629),
|
||||
std::complex<double>(-0.1543, -1.0801), std::complex<double>(-0.1543, -0.7715),
|
||||
std::complex<double>(-0.1543, -0.1543), std::complex<double>(-0.1543, -0.4629),
|
||||
std::complex<double>(-0.1543, 1.0801), std::complex<double>(-0.1543, 0.7715),
|
||||
std::complex<double>(-0.1543, 0.1543), std::complex<double>(-0.1543, 0.4629),
|
||||
std::complex<double>(-0.4629, -1.0801), std::complex<double>(-0.4629, -0.7715),
|
||||
std::complex<double>(-0.4629, -0.1543), std::complex<double>(-0.4629, -0.4629),
|
||||
std::complex<double>(-0.4629, 1.0801), std::complex<double>(-0.4629, 0.7715),
|
||||
std::complex<double>(-0.4629, 0.1543), std::complex<double>(-0.4629, 0.4629),
|
||||
std::complex<double>(1.0801, -1.0801), std::complex<double>(1.0801, -0.7715),
|
||||
std::complex<double>(1.0801, -0.1543), std::complex<double>(1.0801, -0.4629),
|
||||
std::complex<double>(1.0801, 1.0801), std::complex<double>(1.0801, 0.7715),
|
||||
std::complex<double>(1.0801, 0.1543), std::complex<double>(1.0801, 0.4629),
|
||||
std::complex<double>(0.7715, -1.0801), std::complex<double>(0.7715, -0.7715),
|
||||
std::complex<double>(0.7715, -0.1543), std::complex<double>(0.7715, -0.4629),
|
||||
std::complex<double>(0.7715, 1.0801), std::complex<double>(0.7715, 0.7715),
|
||||
std::complex<double>(0.7715, 0.1543), std::complex<double>(0.7715, 0.4629),
|
||||
std::complex<double>(0.1543, -1.0801), std::complex<double>(0.1543, -0.7715),
|
||||
std::complex<double>(0.1543, -0.1543), std::complex<double>(0.1543, -0.4629),
|
||||
std::complex<double>(0.1543, 1.0801), std::complex<double>(0.1543, 0.7715),
|
||||
std::complex<double>(0.1543, 0.1543), std::complex<double>(0.1543, 0.4629),
|
||||
std::complex<double>(0.4629, -1.0801), std::complex<double>(0.4629, -0.7715),
|
||||
std::complex<double>(0.4629, -0.1543), std::complex<double>(0.4629, -0.4629),
|
||||
std::complex<double>(0.4629, 1.0801), std::complex<double>(0.4629, 0.7715),
|
||||
std::complex<double>(0.4629, 0.1543), std::complex<double>(0.4629, 0.4629)};
|
||||
|
||||
|
||||
ofdm_param::ofdm_param(Encoding e) {
|
||||
encoding = e;
|
||||
|
||||
+11
@@ -25,6 +25,17 @@
|
||||
#define dout d_debug && std::cout
|
||||
#define mylog(msg) do { if(d_log) *d_logger << log4cpp::Priority::INFO << msg << log4cpp::eol; } while(0);
|
||||
|
||||
extern const std::complex<float> BPSK[2];
|
||||
extern const std::complex<float> QPSK[4];
|
||||
extern const std::complex<float> QAM16[16];
|
||||
extern const std::complex<float> QAM64[64];
|
||||
|
||||
// same mappings in double (itpp sucks)
|
||||
extern const std::complex<double> BPSK_D[2];
|
||||
extern const std::complex<double> QPSK_D[4];
|
||||
extern const std::complex<double> QAM16_D[16];
|
||||
extern const std::complex<double> QAM64_D[64];
|
||||
|
||||
struct MAC_DATAFRAME_HEADER {
|
||||
//protocol version, type, subtype, to_ds, from_ds, ...
|
||||
char frame_control[2];
|
||||
|
||||
Reference in New Issue
Block a user