FIELD: communications engineering; mobile communication systems. SUBSTANCE: device for data transmission between base station incorporating at least two transmitting antennas and mobile station provided with at least one receiving antenna in mobile communication system has transmitter in base station for inserting power control bit patterns in data and for sending data with inserted power control bit patterns; power control bit patterns point to one transmitting antenna used for data transmission; mobile station incorporates receivers for receiving data, detecting power control bit patterns out of data received, and determining one transmitting antenna out of detected power control bit patterns. EFFECT: enhanced reliability of bit pattern transmission. 22 cl, 2 dwg, 1 tbl
