# US 2017/0289775 A1 · Digital broadcasting system and data processing method in the digital broadcasting system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0289775 A1 - Document ID: US20170289775A1 - Status: Published application - Kind: A1 - Application number: 15/630,799 - Filed: 2017-06-22 - Published: 2017-10-05 - Earliest claimed: 2007-09-21 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Chul Soo Lee; In Hwan Choi; Jae Hyung Song; Seung Jong Choi - Web page: https://patentgrep.com/patent/US20170289775A1 ## CPC - H04W 4/06: Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services - H03M 13/356: {Unequal error protection [UEP]} - H04H 20/30: by a single channel - H04H 20/57: for mobile receivers - H04L 1/0045: {Arrangements at the receiver end} - H04L 1/0058: {Block-coded modulation} - H04L 1/0075: {Transmission of coding parameters to receiver (H04L1/0023 takes precedence)} - H04L 69/16: Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP] - H04N 21/4382: {Demodulation or channel decoding, e.g. QPSK demodulation (analog front ends or means for connecting modulators, demodulators or transceivers to a transmission line H04L27/0002)} - H04W 8/26: Network addressing or numbering for mobility support - H04W 72/044: based on the type of the allocated resource - H03M 13/09: Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit - H03M 13/15: Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes (H03M13/17 takes precedence) - H03M 13/1515: {Reed-Solomon codes} - H03M 13/27: using interleaving techniques - H03M 13/2906: {using block codes (H03M13/2957 takes precedence)} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H03M: CODING; DECODING; CODE CONVERSION IN GENERAL (using fluidic means F15C4/00; optical analogue/digital converters G02F7/00; coding, decoding or code conversion, specially adapted for particular applications, see the relevant subclasses, e.g. G01D, G01R, G06F, G06T, G09G, G10L, G11B, G11C, H04B, H04L, H04M, H04N; ciphering or deciphering for cryptography or other purposes involving the need for secrecy G09C) - H04H: BROADCAST COMMUNICATION (multiplex communication H04J; pictorial communication aspects of broadcast systems H04N) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract A digital broadcasting system and a data processing method are disclosed. In an aspect of the present invention, the present invention provides a data processing method including receiving a broadcast signal in which main service data and mobile service data are multiplexed, demodulating the received broadcast signal, outputting demodulation time information of a specific position of a broadcast signal frame, and acquiring reference time information contained in the mobile service data frame, setting the reference time information to a system time clock at a specific time based on the demodulation time information and decoding the mobile service data according to the system time clock. ## Claims ### Claim 1 A method of processing data in a receiving system, the method comprising: receiving a broadcast signal including service data for a service, transmission parameters for the service data, fast service acquisition data that is related to the service, and service signaling data describing the service, the transmission parameters encoded at a code rate; demodulating the received broadcast signal; decoding the transmission parameters in the demodulated broadcast signal; performing error correction decoding on the service data in the demodulated broadcast signal based on the decoded transmission parameters; and acquiring at least one component of the service from the error correction decoded service data based on the fast service acquisition data and the service signaling data, wherein the service signaling data includes service identification information identifying the service, information indicating whether the service is active, and service component information of the service. ### Claim 2 (depends on 1) The method of claim 1, wherein the fast service acquisition data includes service type information indicating a type of the service. ### Claim 3 (depends on 1) The method of claim 1, wherein the service component information includes Internet Protocol (IP) address information and User Datagram Protocol (UDP) port number information for at least one component of the service. ### Claim 4 A receiving system for processing data, the receiving system comprising: a tuner to receive a broadcast signal including service data for a service, transmission parameters for the service data, fast service acquisition data that is related to the service, and service signaling data describing the service, the transmission parameters encoded at a code rate; a demodulator to demodulate the received broadcast signal; a signaling decoder to decode the transmission parameters in the demodulated broadcast signal; a decoder to perform error correction decoding on the service data in the demodulated broadcast signal based on the decoded transmission parameters; and a handler to acquire at least one component of the service from the error correction decoded service data based on the fast service acquisition data and the service signaling data, wherein the service signaling data includes service identification information identifying the service, information indicating whether the service is active, and service component information of the service. ### Claim 5 (depends on 4) The receiving system of claim 4, wherein the fast service acquisition data includes service type information indicating a type of the service. ### Claim 6 (depends on 4) The receiving system of claim 4, wherein the service component information includes Internet Protocol (IP) address information and User Datagram Protocol (UDP) port number information for at least one component of the service.