Performance of QPSK/OFDM on Frequency-Selective Rayleigh Fading Channels(Wireless Communication Technology)

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概要

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• In this paper, we derive expressions for the bit error probability of QPSK/OFDM on frequency-selective Rayleigh fading channels. In the OFDM system, ICI (interchannel interference) caused by Doppler spread of the channel degrades the error performance of the system and introduces the error floor even for coherent detection. Analysis results show that the error performance of QPSK/OFDM can be degraded as the normalized maximum Doppler frequency f_D/B_<sub> is increased where f_D is the maximum Doppler frequency and B_<sub> is the subchannel bandwidth. Computer simulations confirm the theoretical analysis results for BPSK and QPSK signals.

• 社団法人電子情報通信学会の論文
• 2004-05-01

著者

• Jwa J‐w

  Mobile Communications Lab. The Faculty Of Telecommunication And Computer Engineering Cheju National

• Jwa Jeong-woo

  Mobile Communications Lab. The Faculty Of Telecommunication And Computer Eng. Cheju National Univ.

関連論文

• A Dual-Tone DMAC Protocol for Mobile Ad Hoc Networks(Network)
• Performance of QPSK/OFDM on Frequency-Selective Rayleigh Fading Channels(Wireless Communication Technology)

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