Patent ID: 7599660
Filing Date: 2009-10-06
Classification: H04W

Abstract:
1. A base station apparatus comprising a plurality of front end units for transmitting and receiving signals via antennas to and from a plurality of mobile stations and a signal processing unit coupled to said plurality of front end units and a network for performing processing of the signals being transmitted and received, wherein said signal processing unit comprises: a plurality of modulator units for modulating a signal received from said network and to be transmitted to a mobile station in each area to which the mobile station that is a destination of the transmission signal belongs; a weight combining unit for performing weight combining of outputs from at least a part of said plurality of modulator units and for outputting a result of the weight combining to said plurality of front end units; and wherein communication is performed while assigning a channel to each mobile station and wherein a weight matrix used for said weight combining is controlled based on an available channel number per said area.