Impacts Of I/q Imbalance On Qpsk-ofdm-qam Detection

@article{Liu1998ImpactsOI,
  title={Impacts Of I/q Imbalance On Qpsk-ofdm-qam Detection},
  author={Chia-Liang Liu},
  journal={International 1998 Conference on Consumer Electronics},
  year={1998},
  pages={384-385}
}
  • Chia-Liang Liu
  • Published 1998 in
    International 1998 Conference on Consumer…
The impacts of IIQ imbalances in the quadrature down-converter on the perfcormance of an QPSK-OFDM-QAM system are studied. It is shown that both amplitude and phase imbalances cause inter-channel interference; they jointly cause IIQ cross-talk in each and every sub-carriers. The BER (Bit Error Ratio) performances of the QPSK sub-carriers are calculated to illustrate the impacts of IlQ imbalances‘. It is observed that with the amplitude imbalance less than I dB and phase imbalance less than 5… CONTINUE READING
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