Patent ID: 8442136

Claim:
A method for receiving a control channel format, the method comprising: receiving a control channel format indicator (CCFI) codeword; demodulating the received CCFI codeword to identify a CCFI corresponding to the received CCFI codeword; and receiving control data using the identified CCFI, wherein the identified CCFI is one of at least a first index, a second index, and a third index, and wherein the CCFI codeword was coded by a transmitter by mapping the identified CCFI to the CCFI codeword using a codebook comprising a plurality of 32-bit codewords, each codeword comprising ten repetitions of a three-bit component codeword c 1 c 2 c 3 followed by two CCFI bits b 1 b 2 associated with the three-bit component codeword c 1 c 2 c 3 , the plurality of 32-bit codewords comprising at least “01101101101101101101101101101101”, “10110110110110110110110110110110” and “11011011011011011011011011011011”.