Adaptive Prediction Iterative Channel Estimation for Combined Antenna Diversity and Coherent Rake Reception of Multipath-Faded DSSS Signals
نویسنده
چکیده
Adaptive prediction iterative channel estimation is presented for combined antenna diversity and coherent rake reception of direct sequence spread spectrum (DSSS) signals. Its first stage uses pilot-aided adaptive prediction channel estimation, while the succeeding iteration stages use decision feedback and moving average filtering for channel re-estimation. The bit error rate (BER) performance of DSSS signal computer simulations evaluate transmission in a frequency selective Rayleigh fading channel. It is found that the adaptive prediction iterative channel estimation is superior to the non adaptive iterative channel estimation using the conventional weighted multi-slot averaging (WMSA) filtering at the first iteration stage, particularly in a fast fading channel. key words: iterative channel estimation, pilot symbol, DSSS,
منابع مشابه
Adaptive prediction Iterative Channel Estimation for Combined Antenna Diversity and Coherent Rake Reception of Mulipath-faded DSSS Signals
Adaptive prediction iterative channel estimation is presented for combined antenna diversity and coherent rake reception of direct sequence spread spectrum (DSSS) signals. Its first stage uses pilot-aided adaptive prediction channel estimation, while the succeeding iteration stages use decision feedback and moving average filtering for channel re-estimation. The bit error rate (BER) performance...
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