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Blind algorithm for RIBI mitigation in OFDM systems

Blind algorithm for RIBI mitigation in OFDM systems

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A novel blind algorithm is developed to mitigate the residual interblock interference (RIBI) for orthogonal frequency division multiplexing (OFDM) systems. The algorithm is based on the RIBI cancellation and cyclic structure recovery. Simulation shows that the proposed algorithm can effectively mitigate RIBI and has a low computation complexity.

Inspec keywords: interference suppression; computational complexity; OFDM modulation; intersymbol interference

Other keywords: orthogonal frequency division multiplexing; low computation complexity; ISI channels; RIBI mitigation; RIBI cancellation; OFDM systems; intersymbol interference; residual interblock interference; cyclic structure recovery; blind algorithm

Subjects: Electromagnetic compatibility and interference; Modulation and coding methods

References

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      • Z. Wang , G.B. Giannakis . Wireless multicarrier communications where Fourier meets Shannon. IEEE Signal Process. Mag. , 3 , 29 - 48
    2. 2)
      • J.M. Cioffi , A.C. Bingham . A data-driven multitone echo canceller. IEEE Trans. Commun. , 2853 - 2869
    3. 3)
      • Viterbo, E., Fazel, K.: `How to combat long echoes in OFDM transmission schemes: subchannel equalization or more powerful channel coding', Proc. GLOBECOM' 99, November 1999, Singapore.
    4. 4)
      • X. Li , H.H. Fan . Blind channel identification: subspace tracking method without rank estimation. IEEE Trans. Signal Process. , 10 , 2372 - 2382
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