Patent ID: 9356697
Filing Date: 2016-05-31
CPC Classification: H04B,H04W

Claim Text:
1. A distributed antenna system comprising: a main unit configured to exchange signals with a first base station unit and with a second base station unit, the first base station unit being configured to distribute a set of first signals associated with a first frequency band and a first operator, and the second base station unit being configured to distribute a set of second signals associated with a second frequency band and a second operator, the first signals being different from the second signals; and a remote unit, exchanging the first and second signals with the main unit over an optical communication channel, and configured to exchange the first and second signals with a first antenna unit and a second antenna unit, respectively, the first antenna unit being configured to cover a first coverage area and distribute the first signals associated with the first frequency band and the first operator, the second antenna unit being configured to cover a second coverage area and distribute the second signals associated with the second frequency band and the second operator, wherein the remote unit includes a first selective amplification unit and a second selective amplification unit, the first selective amplification unit configured to be dedicated to amplifying the first signals associated with the first frequency band and the first operator, and the second selective amplification unit configured to be dedicated to amplifying the second signals associated with the second frequency band and the second operator so as to independently control the distribution of the first and second signals for each frequency band and for each operator, wherein the main unit includes a first combiner configured to combine a first plurality of input signals relating the first frequency band into a first combined output signal to be sent to the optical communication channel, and a second combiner configured to combine a second plurality of input signals relating to the second frequency band into a second combined output signal to be sent to the optical communication channel.