Multiplex communications – Communication over free space – Combining or distributing information via time channels
Reexamination Certificate
2008-06-17
2011-11-08
Nguyen, Brian (Department: 2472)
Multiplex communications
Communication over free space
Combining or distributing information via time channels
C370S503000
Reexamination Certificate
active
08054823
ABSTRACT:
Embodiments of the present disclosure provide a transmitter, a receiver and methods of operating a transmitter and a receiver. In one embodiment, the transmitter includes a synchronization unit configured to provide a primary synchronization signal and a secondary synchronization signal having first and second segments. The transmitter also includes a secondary scrambling unit configured to provide a scrambled secondary synchronization signal, wherein scrambling agents for the first and second segments are derived from a primary synchronization sequence of the primary synchronization signal. The secondary scrambling unit is further configured to provide an additional scrambling of one of the first and second segments, wherein a second scrambling agent is derived from the remaining segment of a secondary synchronization sequence of the secondary synchronization signal. The transmitter further includes a transmit unit configured to transmit the primary synchronization signal and the scrambled secondary synchronization signal.
REFERENCES:
patent: 7102994 (2006-09-01), Sezgin et al.
patent: 2005/0008040 (2005-01-01), Becker et al.
patent: 2006/0114942 (2006-06-01), Jang
patent: 2006/0274843 (2006-12-01), Koo et al.
Dabak Anand G.
Onggosanusi Eko N.
Varadarajan Badri
Brady III Wade James
Neerings Ronald O.
Nguyen Brian
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
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