摘要:
An apparatus and method for configuring a broadcast service data in a digital broadcasting communication system are provided. The method includes mapping a first zone, corresponding to broadcast service data of a first type, and a second zone, corresponding to broadcast service data of a second type, in a frame individually. Preferably, the broadcast service data included in the first zone and the second zone is sliced into sub-slices according to a different number of service slicings for each zone.
摘要:
The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). An apparatus and a method for channel encoding and decoding in a communication or broadcasting system is provided. According to the present disclosure, the method for channel encoding in a communication or broadcasting system includes determining a block size Z, and performing encoding based on the block size and a parity check matrix corresponding to the block size, in which the block size is included in any one of the plurality of block size groups and the parity check matrix is different for each block size group.
摘要:
A method and apparatus for channel encoding and decoding in a communication system using punctured Low-Density Parity-Check (LDPC) code is provided. The puncturing pattern depends on the modulation scheme and is based on puncturing of parity bit sets that reflect the properties of the LDPC codes, which are preferably LDPC codes as defined in the context of the DVB-S2 specification.
摘要:
A method is provided for transmitting data, which improves a diversity effect in a communication system. The method includes transmitting an information word including a codeword in a ( k + s )-th frame, generating s groups based on parity bits obtained by encoding the information word, and transmitting the s groups in s frames preceding the ( k + s )-th frame, in a distributed manner..
摘要:
The invention relates to a method and apparatus for a channel encoding using a Low-Density Parity-Check (LDPC) code, the method comprising: determining a number of parity bits for puncturing; forming parity bit sets from dividing the parity bits at predetermined intervals; determining a number of parity bit sets based on the number of parity bits for puncturing; and puncturing parity bits based on the determined number of parity bit sets to be punctured, and according to a predetermined order of parity bit sets to be punctured,
wherein the order of parity bit sets to be punctured is determined as 6, 4, 13, 9, 18, 8, 15, 20, 5, 17, 2, 22, 24, 7, 12, 1, 16, 23, 14, 0, 21, 10, 19, 11, 3, when a codeword length is 16200 and an information length is 7200.
摘要:
The invention relates to a method and apparatus for a channel encoding using a Low-Density Parity-Check (LDPC) code, the method comprising: determining a number of parity bits for puncturing; forming parity bit sets from dividing the parity bits at predetermined intervals; determining a number of parity bit sets based on the number of parity bits for puncturing; and puncturing parity bits based on the determined number of parity bit sets to be punctured, and according to a predetermined order of parity bit sets to be punctured,
wherein the order of parity bit sets to be punctured is determined as 6, 4, 13, 9, 18, 8, 15, 20, 5, 17, 2, 22, 24, 7, 12, 1, 16, 23, 14, 0, 21, 10, 19, 11, 3, when a codeword length is 16200 and an information length is 7200.
摘要:
A method and an apparatus for channel decoding using a Low-Density Parity-Check (LDPC) code, the method comprising: demodulating a signal transmitted from a transmitter; determining position information of the punctured parity bits by estimating information about a predetermined order of parity bit sets to be punctured and the number of parity bit sets ; and decoding data using the position information of the punctured parity bits, wherein determining position of punctured parity bits comprises, determining a number of parity bits to be punctured; and determining a number of parity bit sets to be punctured based on the determined number of parity bits to be punctured; and acquiring a predetermined order of parity bit sets,
wherein the predetermined order of parity bit sets is determined as 6, 4, 18, 9, 13, 8, 15, 20, 5, 17, 2, 24, 10, 22, 12, 3, 16, 23, 1, 14, 0, 21, 19, 7, 11.
摘要:
A method and apparatus for reducing a Peak to Average Power Ratio (PAPR) in a digital broadcasting system are provided. Reserved tones are determined, and used to transmit a signal having an impulse characteristic that does not collide with a pilot signal of a preamble in a frame.
摘要:
A method and apparatus for transmitting/receiving control information in a wireless communication system are provided, in which physical layer signaling information to be transmitted in a frame is determined, a coded block is generated from signaling information having a fixed number of bits included in the physical layer signaling information, and a frame including the coded block is transmitted. The signaling information having the fixed number of bits includes information required for receiving other signaling information having a variable number ofbits.