Patent ID: 8320317

Claim:
A ranging method in a wireless communication system, a frame structure of the wireless communication system comprising one or more downlink service time slots, a guard interval between a downlink sub-frame and an uplink sub-frame and one or more uplink service time slots, and the method comprising: calculating a start time of the first uplink service time slot in the frame structure, and configuring the start time as a reference time; generating a ranging signal; subtracting a sum of a time period needed for sending the ranging signal and a reference time delay from the reference time, and configuring an obtained time result as a time of starting to send the ranging signal by a terminal (UT); subtracting the length of a special ranging time slot from the reference time, and configuring an obtained time result as a time of starting to receive the ranging signal by a base station (BS); and receiving and processing the ranging signal.