Patent ID: 9374187
Filing Date: 2016-06-21
CPC Classification: H04J,H04W

Claim Text:
1. A distributed antenna system comprising: a plurality of remote units configured to service different regions of a service area; and a head-end unit configured to process and transmit downlink signals from base stations to the remote units over optical cables, and to process and transmit uplink signals from the remote units to the base stations; wherein the remote units are configured to adjust or filter a level of downlink signals from the head-end unit and to transmit the adjusted or filtered downlink signals to mobile stations, and to process and transmit uplink signals from mobile stations to the head-end unit over the optical cables; wherein the head-end unit comprises: wherein at least one of the remote units comprises a plurality of O/E converters, at least one remote RF unit, a plurality of E/O converters, and a sector selector configured to connect the at least one remote RF unit to at least two of the O/E converters of the remote unit and at least two of the E/O converters of the remote unit, wherein the sector selector is configured to dynamically select a downlink RF signal from a corresponding one of the O/E converters of the remote unit and to transmit an adiusted uplink RF signal from the remote RF unit to a corresponding one of the E/O converters of the remote unit.