Patent ID: 8032148

Claim:
A wireless cellular indoor communications system comprising at least one base station connected to a cell management unit through a first digital connection interface, the cell management unit connected to at least one RF hub through a second digital connection interface, and the at least one RF hub connected to at least one remote radio head through a third digital connection interface, the at least one remote radio head providing service in a certain cell area inside a confined environment,the cell management unit comprising means for providing efficient load balancing at and between base stations through adaptive cell reconfiguration, including shifting un-used carriers from remote radio heads inside areas of low traffic load to remote radio heads inside areas of high traffic load, means for mapping carriers, time, frequency or time-frequency allocations to individual radio heads, means for alignment of individual delays accumulated on the digital connections between the cell management unit and each of the radio heads, means for synchronization of the signals between the cell management unit and the individual remote radio heads, and means for failure detection of the individual digital links between the cell management unit and the remote radio heads.