Patent ID: 7165208

Claim:
A method for encoding 10 consecutive input bits indicating a TFCI (Transport Format Combination Indicator) into a sequence of 48 coded symbols in an NB-TDD (Narrowband — Time Division Duplex) mobile communication system, comprising: generating first sequences having a length 48 punctured orthogonal sequences; generating second sequences having a length 48 punctured mask sequences; multiplying the first sequences with each associated TFCI bit and the second sequences with each associated TFCI bit; and adding each resulting sequences calculated by the multiplication and outputting the sequence of 48 symbols, wherein the punctured orthogonal sequences and the punctured mask sequences are sequences punctured following positions out of length 64 Walsh codes and length 64 masks; {0, 4, 8,13,16,20,27,31,34,38,41,44,50,54,57,61}.