Joint estimation and decoding for sparse channels via relaxed belief propagation

@article{Schniter2010JointEA,
  title={Joint estimation and decoding for sparse channels via relaxed belief propagation},
  author={Philip Schniter},
  journal={2010 Conference Record of the Forty Fourth Asilomar Conference on Signals, Systems and Computers},
  year={2010},
  pages={1055-1059}
}
  • Philip Schniter
  • Published 2010 in
    2010 Conference Record of the Forty Fourth…
We consider the problem of communicating efficiently over an N-block Rayleigh-fading channel with a K-sparse L-length discrete-time impulse response (with 0 < K < L < N), where both the channel's coefficients and support are unknown to both the transmitter and receiver. For this, we propose to use bit-interleaved coded orthogonal frequency division multiplexing (OFDM) in conjunction with a novel belief-propagation (BP) based demodulation scheme. Unlike the conventional “decoupled… CONTINUE READING
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