Patent ID: 8401465
Filing Date: 2013-03-19
Classification: H04B

Abstract:
1. A relay station (RS) for transmitting data using a Time Division Duplex (TDD) frame structure comprising a plurality of TDD frames, each of the TDD frames comprising a downlink (DL) period and an uplink (UL) period, in a wireless communication system, the RS comprising: a wireless communication unit configured to communicate with at least one of a child station and a parent station using a TDD frame of the TDD frame structure, wherein the TDD frame includes a first UL zone of a plurality of UL zones of the UL period for receiving first data from the child station, wherein the first UL zone is located at a beginning of the UL period; wherein the TDD frame includes a second UL zone of the plurality of UL zones of the UL period for transmitting second data to the parent station, wherein the second UL zone is located at an end of the UL period, and wherein, in each of the plurality of TDD frames, a gap zone of the UL period is located between the first UL zone and the second UL zone such that the first UL zone is immediately followed by the gap zone and the gap zone is immediately followed by the second UL zone.