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Sukhyon Yoon, Daeki Hong, Changeon Kang and Daesik Hong, "Interference free decision feedback channel estimation techniquefor M-ary orthogonal DS/CDMA systems", IEEE ICC, Jun. 2001
[IEEE ICC]
조회 78866
Status : | Presented |
---|---|
Date : | 2001-06 |
Title : | Interference free decision feedback channel estimation techniquefor M-ary orthogonal DS/CDMA systems |
Authors : | Sukhyon Yoon, Daeki Hong, Changeon Kang and Daesik Hong |
Conference : | IEEE International Conference on Communications |
Abstract : | We consider interference free decision feedback channel estimation (DFCE) for M-ary orthogonal modulation in direct sequence/code division multiple access (DS/CDMA) systems. The proposed DFCE uses the maximum combiner output in a RAKE receiver as the decision feedback information, enabling M-ary orthogonal signals to be demodulated coherently and a RAKE receiver to use a maximal ratio combining (MRC) scheme. Under multiuser environments, a multistage parallel interference cancellation (PIC) scheme is combined with the DFCE in order to cancel the interference. Accurate knowledge of the channel coefficient estimated by the proposed DFCE is used to regenerate the signal of each user for the multistage PIC scheme. According to the results of our simulations, the performance of coherent demodulation using the proposed system is significantly improved in comparison with conventional noncoherent demodulation |
URL : | http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=937162 |
Suk-Hyon Yoon; Dae-Ki Hong; Daesik Hong; Chang-Eon Kang; , "Interference free
decision feedback channel estimation technique for M-ary orthogonal DS/CDMA
systems," Communications, 2001. ICC 2001. IEEE International Conference
on , vol.5, no., pp.1456-1460 vol.5, 2001
doi:
10.1109/ICC.2001.937162
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=937162&isnumber=20280
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