# US 10,873,350 B2 · Device for receiving broadcast signal, device for transmitting broadcast signal, and method therefor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,873,350 B2 - Document ID: US10873350B2 - Status: Granted - Kind: B2 - Application number: 16/491,703 - Filed: 2017-03-06 - Published: 2020-03-05 - Granted: 2020-12-22 - Earliest claimed: 2017-03-06 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Young Ho Oh; Hak Ju Lee - Web page: https://patentgrep.com/patent/US10873350B2 ## CPC - H04B 1/0067: {with one or more circuit blocks in common for different bands} - 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)} - H04L 1/0047: {Decoding adapted to other signal detection operation (in conjunction with sequence estimation or equalization H04L25/03286)} - H04L 1/005: {Iterative decoding, including iteration between signal detection and decoding operation} - H04L 1/0057: {Block codes (H04L1/0061, H04L1/0064 take precedence)} - H04L 25/0212: {of impulse response} - H04L 25/022: {of frequency response} - H04L 25/0226: {sounding signals per se} - H04N 19/65: using error resilience - H04N 21/426: Internal components of the client {; Characteristics thereof} (H04N5/44 takes precedence) - H04N 21/4383: {Accessing a communication channel} - H03M 13/255: {with Low Density Parity Check [LDPC] codes} - H04L 1/0065: {Serial concatenated codes} - H04B: TRANSMISSION - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - 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) ## Abstract A reception device is disclosed. The reception device comprises: a reception unit for receiving a signal including at least one of a channel estimation signal, a transmitter identification (TxID) signal, and a preamble signal; a TxID detection unit for detecting the TxID signal from the received signal; a TxID processing unit for changing the frequency band of the detected TxID signal, on the basis of a result of the detection of the TxID signal; and an attenuation unit for attenuating the TxID signal in the received signal by using the TxID signal having the changed frequency band. ## Claims ### Claim 1 A receiving apparatus comprising: a reception unit configured to receive a signal including at least a transmitter identification (TxID) signal; a TxID detection unit configured to detect the TxID signal included in the received signal; a TxID processing unit configured to change a frequency band of the TxID signal based on a result of detection of the TxID signal included in the received signal; and a reduction unit configured to reduce the TxID signal from the received signal by using the TxID signal having the changed frequency band, wherein the TxID processing unit includes a filter configured to change the frequency band of the TxID signal, and wherein the filter is a low pass filter. ### Claim 2 (depends on 1) The receiving apparatus of claim 1, wherein the TxID processing unit is configured to change the frequency band of the detected TxID signal into a predetermined band. ### Claim 3 (depends on 1) The receiving apparatus of claim 1, wherein the received signal further includes a preamble signal, and the TxID processing unit is configured to change the frequency band of the detected TxID signal based on a frequency band of the preamble signal. ### Claim 4 (depends on 1) The receiving apparatus of claim 1, wherein the received signal further includes at least one of a channel estimation signal or a preamble signal, and the receiving apparatus further comprises: a channel estimation unit configured to estimate a channel using the channel estimation signal or the preamble signal, wherein the TxID processing unit is configured to process the TxID signal based on a result of the channel estimation. ### Claim 5 (depends on 4) The receiving apparatus of claim 4, wherein the TxID processing unit is configured to generate a TxID sequence of the TxID signal and process the TxID sequence based on the result of the channel estimation. ### Claim 6 (depends on 5) The receiving apparatus of claim 5, wherein the channel estimation signal includes a bootstrap. ### Claim 7 (depends on 1) The receiving apparatus of claim 1, wherein the TxID processing unit includes a first conversion unit configured to convert the TxID signal to a frequency domain signal. ### Claim 8 (depends on 7) The receiving apparatus of claim 7, further comprising: a second conversion unit configured to convert the received signal to a frequency domain signal, wherein the reduction unit is configured to reduce the converted TxID signal in the converted signal in a frequency domain. ### Claim 9 (depends on 1) The receiving apparatus of claim 1, further comprising: a signal processing unit configured to decode a signal in which the TxID signal is reduced. ### Claim 10 (depends on 9) The receiving apparatus of claim 9, wherein the signal processing unit is configured to perform low density parity check (LDPC) decoding. ### Claim 11 (depends on 1) The receiving apparatus of claim 1, wherein the received signal further includes a preamble signal, and the preamble signal is an advanced television system committee (ATSC) 3.0 signal. ### Claim 12 A receiving method comprising: receiving a signal including at least a transmitter identification (TxID) signal; detecting the TxID signal included in the received signal; changing a frequency band of the TxID signal based on a result of detection of the TxID signal included in the received signal; and reducing the TxID signal from the received signal by using the TxID signal having the changed frequency band, wherein the changing of the frequency band includes changing the frequency band of the detected TxID signal by using a filter, and wherein the filter is a low pass filter. ### Claim 13 (depends on 12) The receiving method of claim 12, wherein the changing of the frequency band includes changing the frequency band of the detected TxID signal into a predetermined band. ### Claim 14 (depends on 12) The receiving method of claim 12, wherein the received signal further includes a preamble signal, and the changing of the frequency band includes changing the frequency band of the detected TxID signal based on a frequency band of the preamble signal. ### Claim 15 (depends on 12) The receiving method of claim 12, wherein the received signal further includes at least one of a channel estimation signal or a preamble signal, and the method further comprising: estimating a channel using the channel estimation signal or the preamble signal, and processing the TxID signal based on a result of the channel estimation. ### Claim 16 (depends on 15) The receiving method of claim 15, wherein the processing of the TxID signal comprises generating a TxID sequence of the TxID signal and processing the TxID sequence based on the result of the channel estimation.