METHOD AND APPARATUS FOR RANGING TRANSMISSION BY MOBILE STATION IN WIRELESS COMMUNICATION SYSTEM

摘要

Disclosed is a ranging transmission method comprising: a mobile station receiving a message including backoff window information from a base station; and the mobile station performing ranging transmission on the basis of the backoff window information, wherein the backoff window information comprises information indicating a size K0 ofa 0-th backoffwindow,wherein a size Kx of a nx-th(x being a non-negative integer)backoffwindow is determined according to Kx=K0/(2x) wherein x denotes aranging retry count.