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Peak to Average Power Ratio in WLAN-OFDM System

Peak to Average Power Ratio in WLAN-OFDM System. National Conference on Telecommunication Technology Proceedings, Shah Alam,Malaysia 2003 IEEE. Abstract. OFDM can reduce the ISI and delay spread. Reduce the bandwidth and increase the spectral efficiency.

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Peak to Average Power Ratio in WLAN-OFDM System

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  1. Peak to Average Power Ratio inWLAN-OFDM System National Conference on Telecommunication Technology Proceedings, Shah Alam,Malaysia 2003 IEEE

  2. Abstract • OFDM can reduce the ISI and delay spread. • Reduce the bandwidth and increase the spectral efficiency. • But PA of OFDM is 2~4 times larger than single carrier system. • Codeword and code length effect on PAPR. • PAPR(Peak to Average Power Ratio)

  3. Multicarrier system • Multiple subcarriers cause PAPR.

  4. PAPR

  5. OFDM Model

  6. OFDM parameter

  7. result

  8. Codeword effect

  9. Code length effect

  10. Conclusion& final proposal • Different combination bit provide different PAPR. • Research in power-saving in WLAN. • Final project to simulate the power-saving in WLAN using NS2.

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