Control channel for wireless communication

A terminal apparatus for use in a communication system, the communication system comprising:

• the terminal apparatus configured to receive a control signal from the base station in a current subframe and decode the control signal, the control signal arranged in accordance with a predefined format having a predetermined size in bits and comprising one or more sets of bits each containing one or more bits;
• wherein within the format, a first set of bits is intended for one or more terminal apparatus and a second set of bits distinct from the first set of bits is intended for other terminal apparatus;
• and
• wherein a transmission and/or reception by the one or the other terminal apparatus in a subsequent subframe is determined by the said set of bits of the control signal.