Telecommunications – Transmitter and receiver at separate stations – Having measuring – testing – or monitoring of system or part
Reexamination Certificate
2006-10-03
2006-10-03
Anderson, Matthew (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Having measuring, testing, or monitoring of system or part
C455S066100, C455S088000, C455S134000, C455S135000, C455S138000, C455S234100, C455S423000, C455S240100
Reexamination Certificate
active
07116942
ABSTRACT:
A radio communication apparatus includes a radio signal processing section which produces a first signal. A power calculation section produces a power value signal of the first signal. A correlation detection section produces correlative value signals corresponding to a correlation between the first signal and a known signal. A first and a second detection section detect a beginning of the reception signal, using the power value signal and the correlative value signal respectively. The first and the second detection section respectively produce a first detection and a second detection signal, each of which include information of a beginning timing of the reception signal. A select control section is supplied with the first and the second detection signals and selectively outputs one of them. A demodulation section demodulates a data signal from the first signal using an output signal from the select control section.
REFERENCES:
patent: 5953649 (1999-09-01), Junell
patent: 6363127 (2002-03-01), Heinonen et al.
patent: 6529708 (2003-03-01), Larsson et al.
patent: 11-252061 (1999-09-01), None
patent: 2001-189692 (2001-07-01), None
Anderson Matthew
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Pan Yuwen
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