Patent ID: 6970721
Filing Date: 2005-11-29
Classification: H04W

Abstract:
1. A wireless communications system supporting a call with a mobile subscriber unit that is located within a sector of a cell of said wireless communications system, said sector containing a sub-sector, said wireless communications system containing a base station communicating with said mobile subscriber unit through a base station antenna for supporting said call, said wireless communications system comprising: means for detecting an occurrence of a call event type associated with said call; means, responsive to said detecting means, for determining an approximate location of said mobile subscriber unit at the occurrence of said call event type; means, responsive to said determining means, for mapping said approximate location to said sub-sector of said sector; means, responsive to said mapping means, for incrementing a corresponding event counter that is associated with said call event type and said sub-sector; said corresponding event counter determining a performance metric associated with said sub-sector; means, responsive to said incrementing means, for accumulating said corresponding event counter during a study period; and means, responsive to said accumulating means, for adjusting a radiation pattern of said base station antenna by coupling control signals to said base station in order to provide an improvement of said performance metric determined by said corresponding event counter.