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MPSK on OFDM system program

MPSK on OFDM system program. Speaker: 沈遠博. OUTLINE. 1.OFDM system theory. 2.MPSK system simulink. 3.OFDM system simulink. 4.Results comparison. 5.Conclusion. OFDM THEORY. OFDM THEORY. OFDM THEORY. Channel. x bits. Serial Data Input. Serial-to- Parallel Converter. Signal Mapper.

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MPSK on OFDM system program

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  1. MPSK on OFDM system program Speaker:沈遠博

  2. OUTLINE • 1.OFDM system theory. • 2.MPSK system simulink. • 3.OFDM system simulink. • 4.Results comparison. • 5.Conclusion.

  3. OFDM THEORY

  4. OFDM THEORY

  5. OFDM THEORY

  6. Channel x bits Serial Data Input Serial-to-Parallel Converter Signal Mapper IFFT Parallel- to-Serial Converter Guard Interval Insertion D/A & Low pass Filter Up- Converter x bits Signal Demapper Parallel- to-Serial Converter One-tap Equalizer FFT Serial-to-Parallel Converter Guard Interval Removal A/D Down- Converter Serial Data Output OFDM THEORY

  7. Channel x bits Serial Data Input Serial-to-Parallel Converter Signal Mapper IFFT Parallel- to-Serial Converter Guard Interval Insertion D/A & Low pass Filter Up- Converter x bits Signal Demapper Parallel- to-Serial Converter One-tap Equalizer FFT Serial-to-Parallel Converter Guard Interval Removal A/D Down- Converter Serial Data Output MPSK

  8. M-ARY PHASE SHIFT KEYING(M-PSK) • M-PSK signal can be represented by this

  9. M-ARY PHASE SHIFT KEYING(MPSK) M-PSK 星座圖

  10. QPSK

  11. 8PSK

  12. 8PSK

  13. QPSK

  14. CONCLUSION 1. The next generation communication system will join OFDM to their system. 2. I’ve made an MPSK simulink program in the OFDM program. 3. If the noise is added we can use some skill to reduce them.

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