FIELD: cellular communication systems. SUBSTANCE: available communication channels are grouped into several classes. Base station conveys signals to mobile station through first-class channels with wide-angle antenna lobe. Then position of mobile station is identified by signals received at base station from mobile station; base station can transmit signals to and receive them from mobile station in second-class channels with narrow-angle antenna lobe. EFFECT: improved quality of transmission when changing over from one base station to other. 20 cl, 10 dwg
