| 摘要 |
A wireless communication base station sharing apparatus for sharing one antenna between a main system and a subsystem is provided, in which a first signal combiner/divider is connected to a transmission/reception signal line of a main system duplexer through a first port, divides a signal received through the first port to second and third ports, combines signals received through the second and third ports according to the phases of the signals, and outputs the combined signal through the first port or a fourth port, a second signal combiner/divider is connected to a transmission/reception signal line of a subsystem duplexer through a fifth port and connected to the antenna through an eighth port, divides a signal received through the fifth port to sixth and seventh ports, combines signals received through the sixth and seventh ports according to the phases of the signals, and outputs the combined signal through the fifth port or eighth port, a first and second filter unit is provided in signal paths between the first signal combiner/divider and the second signal combiner/divider. |
