A new particle filtering detector (PFD) is proposed for blind signal detection over flat Rayleigh fading channels whose model coefficients are unknown. The detector employs a hybrid importance function and a mixture Kalman filter. It also incorporates an auxiliary particle filtering strategy with a smoothing kernel in the resampling step. Further, by considering practical information of communication systems and the physical interpretation of the adopted second-order autoregressive (AR) channel model, a fully blind particle filtering implementation is developed. The structure of the proposed PFD can be easily adapted to other system requirements. Simulations are provided that demonstrate the performance of the new PFD.
A blind particle filtering detector of signals transmitted over flat fading channels
Published 2004 in IEEE Transactions on Signal Processing
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- Publication year
2004
- Venue
IEEE Transactions on Signal Processing
- Publication date
2004-07-01
- Fields of study
Mathematics, Computer Science, Engineering
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