FIELD: mobile communication systems. SUBSTANCE: mobile station transmits channel switching request message including measured value of signal power and data on direction of its movement when power of signal from adjacent base station is higher than threshold value. Base station executes switching of communication channels depending on signal power and direction of mobile station movement upon receiving request for switching communication channels. EFFECT: enhanced precision of locating mobile station and direction of its movement in switching communication channels. 24 cl, 9 dwg
