29 lines
780 B
Mathematica
29 lines
780 B
Mathematica
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function tx_STF = STS_modulation(Numerology)
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% total 9bits 5 for Numerology 4 for crc
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% input is the No. of Numerology 0~26
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preamblebit = de2bi(Numerology-1,5);
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% CRC
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poly = 'z4+z3+z2+z+1';
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crcgenerator = comm.CRCGenerator(poly);
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codeword = crcgenerator(preamblebit.');
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crccode = codeword(6:end).';
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% preamble mod
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M=32;Q=16;
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theta0 = [0 0 0 pi 0 pi pi 0 pi pi pi];
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phi_mod = [0:1/M*2*pi:2*pi-1/M*2*pi];
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v_mod = [0:1/Q*2*pi:2*pi-1/Q*2*pi];
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load STS_M32Q16.mat STS_mod
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phi_data = pskmod(bi2de(preamblebit),M,0,'gray');% for M
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v_data = pskmod(bi2de(crccode),Q,0,'gray');% for Q
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[~,phi_no] = min(abs(phi_mod-mod(angle(phi_data),2*pi)));
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[~,v_no] = min(abs(v_mod-mod(angle(v_data),2*pi)));
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STF = STS_mod(:,v_no,phi_no);
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tx_STF = repmat(STF,10,1);
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end
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