Patent ID: 8654685
Filing Date: 2014-02-18
Classification: H04B,H04W

Abstract:
1. A wireless communication base station sharing apparatus for sharing one antenna between a main system and a subsystem, comprising: a first signal combiner/divider connected to a transmission/reception signal line of a main system duplexer through a first port, for dividing a signal received through the first port to second and third ports, and combining signals received through the second and third ports according to the phases of the signals and outputting the combined signal through the first port or a fourth port; a second signal combiner/divider connected to a transmission/reception signal line of a subsystem duplexer through a fifth port and connected to the antenna through an eighth port, for dividing a signal received through the fifth port to sixth and seventh ports, and combining signals received through the sixth and seventh ports according to the phases of the signals and outputting the combined signal through the fifth port or eighth port; a first filter unit provided in a signal path between the second port of the first signal combiner/divider and the sixth port of the second signal combiner/divider and including a plurality of filters designed to have different pass bands and switches for selecting one of the plurality of filters, for filtering all or a selected part of a predetermined frequency band; and a second filter unit provided in a signal path between the third port of the first signal combiner/divider and the seventh port of the second signal combiner/divider and including a plurality of filters designed to have different pass bands and switches for selecting one of the plurality of filters, for filtering all or a selected part of a predetermined frequency band.