Patent ID: 8347188

Claim:
An outer Forward Error Correcting (FEC) coding apparatus for a mobile broadcast service based on TD-SCDMA network, including: a source information coding unit configured to encode image or speech into an information package for the mobile broadcast service; an outer FEC coding unit connected to the source information coding unit and configured to perform Reed-Solomon (RS) encoding of the information package for error correcting; an outer interleaving unit connected to the outer FEC coding unit and configured to perform interleaving of the RS encoded information package such that continuous error bytes are randomized; and a transport channel multiplexing unit connected to the outer interleaving unit and configured to perform transport channel data multiplexing and mapping to a physical channel, wherein parameters of the transport channel unit is set to: a transport block size: 408 bits; a transport block number: 5, 6, 7 or 8; TFCI index: 0→5×408, 1→6×408, 2→6×408, 3→8×408; CRC check: 16 bits; channel coding type: ⅓ turbo encoding; physical channel resource: one timeslot and 16 radio units (RUs) in the timeslot; puncture limit: 55%; TTI: 20 ms.