Patent ID: 8032080
Filing Date: 2011-10-04
Classification: H04B

Abstract:
1. A wireless communication system comprising at least one base station in a communication cell, from which base station at least two essentially uncorrelated antenna radiation lobes are formed, each antenna radiation lobe communicating a MIMO (Multiple Input Multiple Output) communication stream, where the system further comprises at least one repeating transmitter/receiver (repeater), the at least one repeater being arranged for communicating one of the MIMO communication streams to and/or from at least one UE (user equipment) the UE being equipped with at least two essentially uncorrelated antenna functions, where each repeater is arranged with a first repeater antenna, which has a first radiation lobe and is arranged for communicating with said base station, and a second repeater antenna which is arranged for communicating with said UE, where at least one antenna radiation lobe of the second antenna of at least one repeater is electrically controllable, and where that antenna radiation lobe is relatively narrow and controlled in such a way that the best possible transmission with to the UE is achieved, the information streams still being essentially uncorrelated.