Patent ID: 8054767

Claim:
A method of transmitting scheduling information by a base station (BS) in a time-division-duplex (TDD) mobile communication system, the method comprising: transmitting configuration information of a radio frame to a user equipment (UE), the configuration information indicating to which subframe in the radio frame is reserved for uplink or downlink; and transmitting scheduling information on a downlink control channel in a downlink subframe of the radio frame to the UE, the scheduling information comprising an uplink indicator and an uplink resource block (RB) assignment, wherein the uplink indicator identifies at least one uplink subframe in a time domain for which the uplink RB assignment is valid and wherein the uplink RB assignment identifies at least one RB reserved in a frequency domain for uplink data transmission in the at least one uplink subframe, wherein the configuration information indicates one of uplink-downlink configuration of the table below Downlink-to- Uplink- Uplink downlink Switch-point Subframe number configuration periodicity 0 1 2 3 4 5 6 7 8 9 0 5 ms D S U U U D S U U U 1 5 ms D S U U D D S U U D 2 5 ms D S U D D D S U D D 3 10 ms D S U U U D D D D D 4 10 ms D S U U D D D D D D 5 10 ms D S U D D D D D D D 6 5 ms D S U U U D S U U D.