Pulse or digital communications – Systems using alternating or pulsating current – Plural channels for transmission of a single pulse train
Reexamination Certificate
2006-07-19
2011-11-01
Tran, Khanh C (Department: 2611)
Pulse or digital communications
Systems using alternating or pulsating current
Plural channels for transmission of a single pulse train
C714S792000
Reexamination Certificate
active
08050346
ABSTRACT:
Provided are a method of estimating an encoder for dual stream transmission, and an encoder using the same. The method includes the steps of: a) setting up the number of memories required for an encoder, a free distance condition for robust data, and a free distance condition for mixed stream of robust data and normal data; b) obtaining ½ rate encoder combinations that sustain backward compatibility with a typical trellis encoder; c) obtaining encoder combinations H that satisfy the free distance condition for the robust data and the free distance condition for the mixed stream from the ½ rate encoder combinations; d) obtaining relations between memories and input/output signals, which satisfy the encoder combinations H; and e) configuring an encoder according to the obtained relation between the memories and the input/output signals.
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International Search Report mailed Oct. 30, 2006; PCT/KR2006/002831.
Ahn Chieteuk
Kim Chang-Joong
Kim Seung-Won
Kim Sung-Hoon
Lee Ho-Kyoung
Electronics and Telecommunications Research Institute
Ladas & Parry LLP
Tran Khanh C
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