Patent ID: 8792457

Claim:
A method for a receiver to receive control information via a physical control channel from a transmitter in a mobile communication system, the method comprising: receiving the control information via the physical control channel from the transmitter, wherein the control information comprises an indicator having a specific value selected from among a plurality of values, wherein each of the plurality of values, other than the specific value, is predetermined between the transmitter and the receiver to indicate each size of data to be received via a physical channel associated with the physical control channel, wherein the indicator having the specific value is used to inform the receiver of a specific situation that occurred at the transmitter, wherein the specific situation is related to a situation where the transmitter has transmitted data via the physical channel using only a part of available room of the physical channel for transmitting data and is unrelated to indicating each size of the data to be received via the physical channel by the indicator; and receiving data via the physical channel based on the identified situation.