Pulse or digital communications – Receivers – Particular pulse demodulator or detector
Reexamination Certificate
2007-10-02
2007-10-02
Tran, Khai (Department: 2611)
Pulse or digital communications
Receivers
Particular pulse demodulator or detector
C714S795000
Reexamination Certificate
active
10693674
ABSTRACT:
A method is provided for decoding a turbo-code encoded signal in a receiver. According to the method, the signal is received from a transmission channel, and the signal is digitally turbo-code decoded. Additionally, a quality information representative of conditions of the channel state estimation is dynamically determined, and the quality information is dynamically compared with a predetermined criteria for defining good or bad estimation conditions. A Maximum-A-Posteriori algorithm in the logarithmic domain is dynamically selected for good estimation conditions, or an approximation of the Maximum-A-Posteriori algorithm in the logarithmic domain is dynamically selected for bad estimation conditions. Also provided is a receiver that implements such a decoding method.
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Berens Friedbert
Kirsch Miguel
Messina Ettore
Bongini Stephen
Fleit Kain Gibbons Gutman Bongini & Bianco P.L.
Jorgenson Lisa K.
STMicroelectronics N.V.
Tran Khai
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