Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels
Patent
1995-06-20
1999-09-07
Chan, Jason
Multiplex communications
Communication techniques for information carried in plural...
Combining or distributing information via time channels
370335, 370441, 370500, 375206, 375344, 375345, 375364, H04J 306, H04L 2730, H04L 2706, H04L 706
Patent
active
059497947
ABSTRACT:
The invention relates to a control signal for receivers, said control signal being formed by juxtaposing two signal elements of equal duration, and time symmetrical. For example, the signal comprises at least one first pseudo-random noise digital sequence s(N.sub.s -1) to s(0) and, periodically, at least one second digital sequence s(N.sub.s -1) to s(0), corresponding to the inverse, obtained by time symmetry, of said first sequence. The signal may be used in particular for performing time and frequency synchronization on receivers and/or for equalizing signals received by said receivers. The invention also relates to methods and apparatuses that use said signal.
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Alcatel Mobile Communication France
Carman Melissa Kay
Chan Jason
LandOfFree
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