H - Electricity – 04 – J
Patent
H - Electricity
04
J
363/28
H04J 3/00 (2006.01) H04B 7/24 (2006.01) H04J 3/06 (2006.01)
Patent
CA 1281822
Abstract of the Disclosure: In a repeater station (20) for receiving a first downward signal from a next preceding station (21) with a propagation delay and for transmitting a second downward signal to a next succeeding station, a first delay circuit (15) gives a fixed delay to the first downward signal to produce a delayed signal for use as the second downward signal. The first downward signal has a frame period and includes a reference signal and a number signal representative of an integer for the repeater station. The fixed delay is rendered equal to an integral submultiple of the frame period minus the propagation delay. A first detector (17) detects the reference signal to produce a first detection signal. A second detector (23) detects the number signal to produce a second detection signal representative of the integer. Responsive to the second detection signal, an internal delay circuit (24) gives an internal delay to the first detection signal to produce a delayed detection signal. The internal delay is decided in consideration of the integer. Responsive to the delayed detection signal, a multiplexer (25) processes a first upward signal received from the succeeding station into a processed signal. A second delay circuit (26) gives the fixed delay to the processed signal to produce a second upward signal which should be received by the preceding station with the propagation delay. The repeater station may be used as a terminal station.
547177
Itoh Norio
Ohtawa Masayuki
Corporation Nec
Smart & Biggar
LandOfFree
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