Multiplex communications – Duplex – Time division
Reexamination Certificate
2006-03-28
2006-03-28
Vu, Huy D. (Department: 2665)
Multiplex communications
Duplex
Time division
C370S503000
Reexamination Certificate
active
07020100
ABSTRACT:
In hyperframe synchronization processing of a hyperframe including FEXT frames and NEXT frames, each difference between the number of consecutive FEXT frames and the number of consecutive NEXT frames is calculated, and a unique sequence of these differences is detected. When the unique sequence of differences can be detected from a received hyperframe, the position of a frame which is being received now in the hyperframe can be specified at that point in time. Hence, hyperframe synchronization can be established in a short time after frame synchronization is established.
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Amatsubo Takanao
Fujiyama Joji
Kikunaga Yasumasa
Mihira Kenji
Kabushiki Kaisha Toshiba
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Ryman Daniel
Vu Huy D.
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