# US 9,882,763 B2 · Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,882,763 B2 - Document ID: US9882763B2 - Status: Granted - Kind: B2 - Application number: 15/467,846 - Filed: 2017-03-23 - Published: 2017-07-06 - Granted: 2018-01-30 - Earliest claimed: 2009-03-03 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Woo Suk Ko; Sang Chul Moon - Web page: https://patentgrep.com/patent/US9882763B2 ## CPC - H04L 27/34: Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems - H04B 7/022: Site diversity; Macro-diversity (using two or more spaced independent antennas H04B7/04) - H04L 1/0057: {Block codes (H04L1/0061, H04L1/0064 take precedence)} - H04L 1/0071: {Use of interleaving (interleaving per se H03M13/27)} - H04L 5/0007: {the frequencies being orthogonal, e.g. OFDM(A) or DMT} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 27/2602: {Signal structure} - H04L 69/22: Parsing or analysis of headers - H04L 27/2601: {Multicarrier modulation systems} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04B: TRANSMISSION ## Abstract According to one embodiment, a method of transmitting at least one broadcasting signal having PLP (Physical Layer Pipe) data and preamble data includes: encoding the PLP data; encoding the preamble data; mapping the encoded PLP data to PLP data symbols by QAM (Quadrature Amplitude Modulation) modulations; mapping the encoded preamble data to preamble data symbols by QAM modulations; building a signal frame including the PLP data symbols and the preamble data symbols, wherein the preamble data symbols include first signaling information and second signaling information, wherein the first signaling information is for the second signaling information and includes size information of the second signaling information, and wherein the second signaling information is for the PLP data symbols; modulating the signal frame by an Orthogonal Frequency Division Multiplexing (OFDM) method; and transmitting the modulated signal frame. ## Claims ### Claim 1 A method for transmitting at least one broadcasting signal having Physical Layer Pipe (PLP) data and preamble data by a transmitter, the method comprising: encoding the PLP data; encoding the preamble data; mapping the encoded PLP data into PLP data symbols; mapping the encoded preamble data into preamble data symbols; time interleaving the PLP data symbols using a twisted block interleaving scheme, wherein the time interleaving is performed by using an interleaving memory, wherein each position of cells in the interleaving memory is acquired based on a twisting parameter and a modulo operation, wherein each cell including the PLP data symbols in the interleaving memory is accessed in a diagonal-wise direction corresponding to the twisting parameter and wherein specific cells in the interleaving memory are skipped during reading operation of the time interleaving; building a signal frame including the time interleaved PLP data symbols and the preamble data symbols; modulating the signal frame by Inverse Fast Fourier Transform; and transmitting the modulated signal frame, wherein the preamble data includes information for channel bonding, and wherein data-reordering is performed at a receiver side when the channel bonding is applied. ### Claim 2 (depends on 1) The method of claim 1, wherein the preamble data further includes first signaling information for second signaling information and the second signaling information for the PLP data symbols, wherein the first signaling information includes size information of the second signaling information. ### Claim 3 (depends on 1) The method of claim 1, wherein the data-reordering is performed based on counting information included in a data-header. ### Claim 4 An apparatus for transmitting at least one broadcasting signal having Physical Layer Pipe (PLP) data and preamble data, the apparatus comprising: an encoder to encode the PLP data; an encoder to encode the preamble data; a first mapper to map the encoded PLP data into PLP data symbols; a second mapper to map the encoded preamble data into preamble data symbols; a time interleaver to time interleave the PLP data symbols using a twisted block interleaving scheme, wherein the time interleaving is performed by using an interleaving memory, wherein each position of cells in the interleaving memory is acquired based on a twisting parameter and a modulo operation, wherein each cell including the PLP data symbols in the interleaving memory is accessed in a diagonal-wise direction corresponding to the twisting parameter and wherein specific cells in the interleaving memory are skipped during reading operation of the time interleaving; a frame builder to build a signal frame including the time interleaved PLP data symbols and the preamble data symbols; a modulator to modulate the signal frame by Inverse Fast Fourier Transform; and a transmission unit to transmit the modulated signal frame, wherein the preamble data includes information for channel bonding, and wherein data-reordering is performed at a receiver side when the channel bonding is applied. ### Claim 5 (depends on 4) The method of claim 4, wherein the preamble data further includes first signaling information for second signaling information and the second signaling information for the PLP data symbols, wherein the first signaling information includes size information of the second signaling information. ### Claim 6 (depends on 4) The apparatus of claim 4, wherein the data-reordering is performed based on counting information included in a data-header. ### Claim 7 A method for receiving at least one broadcasting signal having Physical Layer Pipe (PLP) data and preamble data by a receiver, the method comprising: receiving the at least one broadcasting signal; demodulating the received at least one broadcasting signal by Fast Fourier Transform; parsing a signal frame including the PLP data symbols and the preamble data symbols from the demodulated at least in broadcasting signal; time de-interleaving the PLP data symbols using a twisted block de-interleaving scheme, wherein the time de-interleaving is performed by using a de-interleaving memory, wherein each position of cells in the de-interleaving memory is acquired based on a twisting parameter and a modulo operation, wherein each cell including the PLP data symbols in the interleaving memory is accessed in a diagonal-wise direction corresponding to the twisting parameter and wherein specific cells in the de-interleaving memory are skipped during reading operation of the time de-interleaving; de-mapping the preamble data symbols into the preamble data; de-mapping the time de-interleaved PLP data symbols into the PLP data; decoding the preamble data; and decoding the PLP data, wherein the preamble data includes information for channel bonding, and wherein data-reordering is performed when the channel bonding is applied. ### Claim 8 (depends on 7) The method of claim 7, wherein the preamble data symbols further includes first signaling information for second signaling information and the second signaling information for the PLP data symbols, wherein the first signaling information includes size information of the second signaling information. ### Claim 9 (depends on 7) The method of claim 7, wherein the data-reordering is performed based on counting information included in a data-header. ### Claim 10 An apparatus for receiving at least one broadcasting signal having Physical Layer Pipe (PLP) data and preamble data, the apparatus comprising: a receiving unit to receive the at least one broadcasting signal; a demodulator to demodulate the received at least one broadcasting signal by Fast Fourier Transform; a parser to parse a signal frame including the PLP data symbols and the preamble data symbols from the demodulated at least in broadcasting signal; a time de-interleaver to time de-interleave the PLP data symbols using a twisted block de-interleaving scheme, wherein the time de-interleaving is performed by using a de-interleaving memory, wherein each position of cells in the de-interleaving memory is acquired based on a twisting parameter and a modulo operation, wherein each cell including the PLP data symbols in the interleaving memory is accessed in a diagonal-wise direction corresponding to the twisting parameter and wherein specific cells in the de-interleaving memory are skipped during reading operation of the time de-interleaving; a first de-mapper to de-map the preamble data symbols into the preamble data; a second de-mapper to de-map the time de-interleaved PLP data symbols into the PLP data; an decoder to decode the preamble data; and a decoder to decode the PLP data, wherein the preamble data includes information for channel bonding, and wherein data-reordering is performed when the channel bonding is applied. ### Claim 11 (depends on 10) The apparatus of claim 10, wherein the preamble data symbols further includes first signaling information for second signaling information and the second signaling information for the PLP data symbols, wherein the first signaling information includes size information of the second signaling information. ### Claim 12 (depends on 10) The apparatus of claim 10, wherein the data-reordering is performed based on counting information included in a data-header.