RadioTechnology Lab Seoul National University R T L adio echnology aboratory2.
Coherent FSK 16 In-phase & Quadrature components of MSK In-phase Quadrature In-phase Quadrature 17. Coherent FSK 15 Phase Trellis 0 = 2 1, 2 ( 0) 16. Coherent FSK 14 Minimum Shift Keying (MSK) Minimum frequency spacing allowing two FSK signals to be coherently orthogonal h=0.5 MSK 15. Coherent FSK 13 BFSK transmitter BFSK Receiver 14. Coherent FSK 12 Error Probability New Gaussian R.V (y=x1-x2) P(BPSK Error) = 1 2 erfc P(BFSK Error) = 1 2 erfc 2 13. Coherent FSK 11 Binary FSK Continuous-phase signal Continuous-phase frequency-shift keying (CPFSK) Orthogonal basis set 12. RadioTechnology Lab Seoul National University R T L adio echnology aboratory 10 Coherent FSK BFSK MSK (Minimum-shift Keying) GMSK (Gaussian-filtered MSK) M-ary FSK 11. Hybrid Amp/Phase Modulation 9 Basic Structure of the CAP system CAP transmitter CAP receiver X(t) = s(t) * h(t) + w(t) 10. RadioTechnology Lab Seoul National University R T L adio echnology aboratory1. Hybrid Amp/Phase Modulation 8 new formulation of the transmit signal S(t) appears to be carrierless Hybridized amplitude/phase modulation Orthogonal Set after passed LTI channel, orthogonal property holds 9. Hybrid Amp/Phase Modulation 7 Carrierless Amp/Phase Modulation (CAP) Appears to be carrierless M-ary QAM signal Equation Represent the QAM Signal 8. Hybrid Amp/Phase Modulation 6 QAM Cross Constellation QAM with odd number of bits cross constellation Error Probability 7. Hybrid Amp/Phase Modulation 5 QAM Square Constellation Product of L-ary PAM constellation (L= ) Error Probability (correct detection of QAM) (symbol error prob of L-ary PAM) Average value of transmit Energy Symbol transmit Energy 6. Hybrid Amp/Phase Modulation 4 M-ary QAM Two-dimensional generalization of M-ary PAM The transmitted M-ary QAM signal 5. RadioTechnology Lab Seoul National University R T L adio echnology aboratory 3 Hybrid Amp/Phase Modulation QAM Carrierless Amp/Phase Modulation (CAP) 4. Conclusion RadioTechnology Lab Seoul National University 3. Detection of Signals with Unknown Phase 4. RadioTechnology Lab Seoul National University Passband Data Transmission | |Ģ.
0 kommentar(er)
