Patent ID: 9001708
Filing Date: 2015-04-07
Classification: H04B,H04L

Abstract:
1. A method for transceiving signals using a predetermined time division duplex (TDD) frame in a wireless communication system the method comprising, transmitting, a first midamble by a base station (BS) to a mobile station (MS); and transmitting a second midamble by the BS to a relay station (RS), wherein the first midamble is transmitted through a downlink access zone of the BS, wherein the second midamble is transmitted through a downlink relay zone of a specific frame of each superframe, wherein the second midamble is transmitted through a last symbol of a first non-type-3 subframe of the downlink relay zone counting from an end of a downlink zone of the specific frame, and wherein a channel bandwidth of the TDD frame is either 5 MHz, 10 MH or 20 MHz.