Patent ID: 8103208

Claim:
A broadcast receiving system comprising: a receiving unit for receiving a broadcast signal including mobile broadcast service data and main broadcast service data, wherein a Reed-Solomon (RS) frame includes at least one data packet corresponding to the mobile broadcast service data, an RS parity generated based upon the mobile broadcast service data, and a cyclic redundancy check (CRC) checksum generated based upon the mobile broadcast service data and the RS parity; a known sequence detector for detecting at least one of a plurality of known data sequences; a channel equalizer for channel-equalizing the mobile broadcast service data using at least one of the plurality of known data sequences; a transmission parameter detector for detecting transmission parameters inserted in a predetermined position within at least one data group that configures the RS frame; a power controller for controlling power based upon the detected transmission parameters in order to receive a data group including requested mobile broadcast service data; a block decoder for symbol-decoding the mobile broadcast service data in block units, based upon the detected transmission parameters; an RS frame decoder for performing CRC-decoding and RS-decoding on the RS frame in order to correct errors in the corresponding mobile broadcast service data; and a memory for storing at least traffic information, a POI (point of interest), or map information included in the error-corrected mobile broadcast service data.