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Multiple antennas with a reduced iterative turbo decode for a DS/CDMA system

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5 Author(s)
Hayoung Yang ; Dept. of Electr. & Comput. Eng., Yonsei Univ., Seoul, South Korea ; Sungsoon Jung ; Sangchul Han ; Changeon Kang
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A combined diversity scheme of multiple turbo codes and multiple antennas for a synchronous direct sequence-code division multiple access (DS-CDMA) system over Rayleigh fading mobile radio channels is considered to improve the BER performance. In spite of the multiple structures, by employing a parallel mode decoding scheme the time delay becomes equivalent to that of a single turbo code system. Furthermore, the truncated trellis structure applied to MAP reduces the number of iterations from K for the original BCJR MAP to (K+1)/2 for the proposed MAP

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Communications, 2000. ICC 2000. 2000 IEEE International Conference on  (Volume:3 )

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