Presentation 2002/2/27
Adaptive prediction Iterative Channel Estimation for Combined Antenna Diversity and Coherent Rake Reception of Mulipath-faded DSSS Signals
Shinsuke Takaoka, Fumiyuki Adachi,
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Abstract(in English) 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, white the succeeding iteration stages use decision feedback and moving average filtering for channel re-estimation. The bit error rate (BER) performance of DSSS signal transmission in a frequency selective Rayleigh fading channel is evaluated by computer simulations. Isis 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 as the first iteration stage, particulary in a fast fading channel.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Iterative channel estimation / pilot symbol / DSSS / fading channel
Paper # MoMuC2001-80
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Committee MoMuC
Conference Date 2002/2/27(1days)
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Registration To Mobile Multimedia Communications(MoMuC)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Adaptive prediction Iterative Channel Estimation for Combined Antenna Diversity and Coherent Rake Reception of Mulipath-faded DSSS Signals
Sub Title (in English)
Keyword(1) Iterative channel estimation
Keyword(2) pilot symbol
Keyword(3) DSSS
Keyword(4) fading channel
1st Author's Name Shinsuke Takaoka
1st Author's Affiliation Electrical and Communication Engineering, Graduate School of Engineering, Tohoku University()
2nd Author's Name Fumiyuki Adachi
2nd Author's Affiliation Electrical and Communication Engineering, Graduate School of Engineering, Tohoku University
Date 2002/2/27
Paper # MoMuC2001-80
Volume (vol) vol.101
Number (no) 685
Page pp.pp.-
#Pages 8
Date of Issue