Abstract:
A transmitting apparatus is provided. The transmitting apparatus includes: a baseband packet (BBP) generator configured to generate a BBP including a header and payload data; a frame generator configured to generate a frame including the BBP; a signal processor configured to signal-process the generated frame; and a transmitter configured to transmit the signal-processed frame. The header includes information about a type of the payload data, whether an additional header exists, a length of the payload data, and a Least Significant Bit (LSB) of the length of the payload data. Therefore, various types of data are mapped on a physical layer based on information included in the header, and data processing efficiency is improved.
Abstract:
A method of transmitting data in a wireless communication system is provided. The method comprises mapping service data onto a first set of multiple Physical Layer Pipes (PLPs), mapping the first set of multiple PLPs onto a first set of logical frames, wherein each of the first set of logical frames is of the same size, forming a first logical channel comprising the first set of logical frames, and transmitting the mapped service data over a target delivery system.
Abstract:
A transmitting apparatus is provided. The transmitting apparatus includes: a baseband packet (BBP) generator configured to generate a BBP including a header and payload data; a frame generator configured to generate a frame including the BBP; a signal processor configured to signal-process the generated frame; and a transmitter configured to transmit the signal-processed frame. The header includes information about a type of the payload data, whether an additional header exists, a length of the payload data, and a Least Significant Bit (LSB) of the length of the payload data. Therefore, various types of data are mapped on a physical layer based on information included in the header, and data processing efficiency is improved.
Abstract:
A method and an apparatus for encoding, transmitting, and receiving signaling information in a broadcasting/communication system are provided. The method includes generating the signaling information which comprises a plurality of pieces; determining a number of coded blocks to which the signaling information is to be encoded, based on a number of bits of the signaling information and a number of encoder input information bit; segmenting each piece of the signaling information based on the number of the coded blocks; constructing input information bits of each coded block to include segmented parts of each piece of the signaling information; encoding the input information bits to each coded block; and transmitting each coded block.
Abstract:
An apparatus and method for transmitting and receiving data in a wireless communication is provided. The method includes Low Density Parity Check (LDPC)-encoding LDPC information bits to generate a codeword, determining a number (Npunc) of bits to be punctured in parity bits of the codeword, determining a number (Npunc—group) of parity bit groups in which all bits are punctured, and puncturing the all bits within 0th to (Npunc—group−1)th parity bit groups indicated by a puncturing pattern, wherein the puncturing pattern is defined as an order of the parity bit groups defined as 29, 45, 43, 27, 32, 35, 40, 38, 0, 19, 8, 16, 41, 4, 26, 36, 30, 2, 13, 42, 46, 24, 37, 1, 33, 11, 44, 28, 20, 9, 34, 3, 17, 6, 21, 14, 23, 7, 22, 47, 5, 10, 12, 15, 18, 25, 31 and 39.
Abstract:
A method is provided for transmitting at least one data stream by a transmitter in a wireless communication system. A preamble section including signaling information and a data section including at least one data stream are generated. A frame including the preamble section and the data section is generated. The generated frame is transmitted. The signaling information includes first information including information related to the at least one data stream and second information including information related to the first information
Abstract:
A method for mapping of one or more logical channels onto a radio frequency channel in a communication system is provided. The method includes determining a logical channel type from a plurality of logical channel types, and mapping at least one logical frame of the determined logical channel type to at least one physical frame on at least one Radio Frequency (RF) channel based on the determined logical channel type.
Abstract:
Provided are a data structure including a header area, and a payload area comprising data, a method of generating the data structure, and extracting information from the data structure. At least one of the header area and the payload area includes at least one sub-area in which one or more signal fields are included. At least one signal field among the signal fields includes information for signalling presence or absence of one or more information fields located at least partly in the data structure, the one or more information fields corresponding to the one or more signal fields.
Abstract:
An apparatus and a method for transmitting and receiving a signal in a communication system are provided. The method includes checking a type of the signal to be transmitted; determining a number of puncture bits according to the type of the signal; and puncturing an encoded signal to be transmitted according to the number of puncture bits.
Abstract:
Provided are a data structure including a header area, and a payload area comprising data, a method of generating the data structure, and extracting information from the data structure. At least one of the header area and the payload area includes at least one sub-area in which one or more signal fields are included. At least one signal field among the signal fields includes information for signalling presence or absence of one or more information fields located at least partly in the data structure, the one or more information fields corresponding to the one or more signal fields.