| 摘要 |
PURPOSE: An apparatus for performing synchronization of a wireless switching system is provided to make a line card measure loop delays generated in wire sections with base stations and to delay frame pulses supplied to each base station by the measured loop delays with different delay values, so that the frame pulses can simultaneously reach all the base stations. CONSTITUTION: Line interfaces(320-1-320-n) are connected to each base station with wire sections. A loop delay measurer(350) measures loop delays from a delivery point of frame pulses outputted through each interface(320-1-320-n) until a signal responding to the frame pulses is received. The loop delay measurer outputs the measured loop delays as delay data values. A delay controller(340) decides a biggest value of the delay data values as a reference value, and outputs an error with the delay data values as an optional error value. A delayer(330) delays the frame pulses for being supplied to the line interfaces(320-1-320-n) by the optional error value, and outputs the delayed frame pulses. A signal processor(310) applies a signal processing to information by the frame pulses, and outputs the signal-processes information to the base stations through the line interfaces(320-1-320-n).
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