KR102758629B1 - 주파수/타이밍 옵셋을 위한 게이트웨이 시그널링 방법 및 이를 위한 장치 - Google Patents
주파수/타이밍 옵셋을 위한 게이트웨이 시그널링 방법 및 이를 위한 장치 Download PDFInfo
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- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2657—Carrier synchronisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/26025—Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/2646—Arrangements specific to the transmitter only using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
- H04L27/2691—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation involving interference determination or cancellation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/30—Resource management for broadcast services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
- H04L2027/0026—Correction of carrier offset
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Abstract
Description
도 2는 본 발명의 일실시예에 따른 주파수 옵셋이 적용된 시뮬레이션 결과를 나타낸 도면이다.
도 3은 서브프레임들이 서로 상이한 FFT 사이즈들을 사용하는 경우를 나타낸 도면이다.
도 4는 도 1에 도시된 방송 게이트웨이 장치의 일 예를 나타낸 블록도이다.
도 5는 도 1에 도시된 송신기의 일 예를 나타낸 블록도이다.
도 6은 본 발명의 일실시예에 따른 주파수 및 타이밍 옵셋이 적용된 이웃하는 코-채널 스테이션들을 나타낸 도면이다.
도 7은 본 발명의 일실시예에 따른 게이트웨이 시그널링 방법을 나타낸 동작 흐름도이다.
도 8은 본 발명의 일실시예에 따른 방송 신호 송신 방법을 나타낸 동작 흐름도이다.
| Syntax | No. of Bits | Format |
| Timing & Management_Packet (TMP) () { | ||
| Structure_Data () { | ||
| length | 16 | uimsbf |
| version_major | 4 | uimsbf |
| version_minor | 4 | uimsbf |
| maj_log_rep_cnt_pre | 4 | uimsbf |
| maj_log_rep_cnt_tim | 4 | uimsbf |
| bootstrap_major | 4 | uimsbf |
| bootstrap_minor | 4 | uimsbf |
| min_time_to_next | 5 | uimsbf |
| system_bandwidth | 2 | uimsbf |
| bsr_coefficient | 7 | uimsbf |
| preamble_structure | 8 | uimsbf |
| ea_wakeup | 2 | bslbf |
| num_emission_tim | 6 | uimsbf |
| num_xmtrs_in_group | 6 | uimsbf |
| xmtr_group_num | 7 | uimsbf |
| maj_log_override | 3 | bslbf |
| num_miso_filt_codes | 2 | bslbf |
| tx_carrier_offset | 2 | Tcimsbf |
| reserved | 6 | for (i=0; i<6; i++) '1' |
| } | ||
| Bootstrap_Timing_Data () { | ||
| for (i=0; i<=num_emission_tim; i++) | ||
| seconds | 32 | uimsbf |
| nanoseconds | 32 | uimsbf |
| } | ||
| } | ||
| Per_Transmitter_Data () { | ||
| for (i=0; i<num_xmtrs_in_group; i++) { | ||
| xmtr_id | 13 | uimsbf |
| tx_time_offset | 16 | tcimsbf |
| txid_injection_lvl | 4 | uimsbf |
| miso_filt_code_index | 2 | bslbf |
| reserved | 29 | for (i=0; i<29; i++) '1' |
| } | ||
| } | ||
| Error_Check_Data () { | ||
| reserved | 16 | |
| crc16 | 16 | uimsbf |
| } | ||
| } |
131, 132, 141, 142: 송신기
Claims (20)
- 삭제
- 스튜디오-투-송신기 링크(Studio to Transmitter Link; STL)를 통한 타이밍 및 관리 패킷을 이용하여 식별되는 캐리어 옵셋(carrier offset)을 이용하여, 주파수 옵셋이 적용된 중심 주파수(center frequency)를 결정하는 주파수/타이밍 결정부; 및
상기 중심 주파수에 상응하는 RF 송신 신호를 생성하는 RF 신호 생성부를 포함하고,
상기 주파수/타이밍 결정부는
상기 캐리어 옵셋(carrier offset)을 이용하여 상기 RF 신호에 상응하는 부트스트랩에 적용될 타이밍 옵셋을 결정하는 것을 특징으로 하는 방송 신호 송신 장치. - 삭제
- 삭제
- 청구항 2에 있어서,
상기 캐리어 옵셋은 캐리어 옵셋 필드에 상응하고, 상기 캐리어 옵셋 필드는 2의 보수 사인드 정수 바이너리 넘버(two's complement signed integer binary number)이고, OFDM 캐리어에 상응하는 양 또는 음의 정수로 표현되는 것을 특징으로 하는 방송 신호 송신 장치. - 청구항 5에 있어서,
상기 캐리어 옵셋은 캐리어 옵셋 필드 값 및 캐리어 주파수 간격(carrier frequency spacing)의 곱과 동일한 것을 특징으로 하는 방송 신호 송신 장치. - 삭제
- 삭제
- 삭제
- 동일한 웨이브폼을 송신하는 송신기 그룹 내의 송신기들로 캐리어 옵셋(carrier offset)을 시그널링하기 위한, 타이밍 및 관리 패킷을 생성하는 패킷 생성부; 및
상기 타이밍 및 관리 패킷을 스튜디오-투-송신기 링크(Studio to Transmitter Link; STL)를 통해 상기 송신기들로 송신하는 STL 전송부를 포함하고,
상기 캐리어 옵셋은
2의 보수 사인드 정수 바이너리 넘버(two's complement signed integer binary number)인 캐리어 옵셋 필드에 의해 지시되고, 상기 캐리어 옵셋 필드는 OFDM 캐리어에 상응하는 양 또는 음의 정수로 표현되는 것을 특징으로 하는 방송 게이트웨이 장치. - 청구항 10에 있어서,
상기 캐리어 옵셋은 캐리어 옵셋 필드 값 및 캐리어 주파수 간격(carrier frequency spacing)의 곱과 동일한 것을 특징으로 하는 방송 게이트웨이 장치. - 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 동일한 웨이브폼을 송신하는 송신기 그룹 내의 송신기들로 캐리어 옵셋(carrier offset)을 시그널링하기 위한 구조 데이터를 생성하는 단계;
상기 구조 데이터를 포함하는 타이밍 및 관리 패킷을 생성하는 단계; 및
상기 타이밍 및 관리 패킷을 스튜디오-투-송신기 링크(Studio to Transmitter Link; STL)를 통해 상기 송신기들로 송신하는 단계를 포함하고,
상기 캐리어 옵셋은
2의 보수 사인드 정수 바이너리 넘버(two's complement signed integer binary number)인 캐리어 옵셋 필드에 의해 지시되고, 상기 캐리어 옵셋 필드는 OFDM 캐리어에 상응하는 양 또는 음의 정수로 표현되는 것을 특징으로 하는 게이트웨이 시그널링 방법. - 청구항 17에 있어서,
상기 캐리어 옵셋은 캐리어 옵셋 필드 값 및 캐리어 주파수 간격(carrier frequency spacing)의 곱과 동일한 것을 특징으로 하는 게이트웨이 시그널링 방법. - 삭제
- 삭제
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16/620,649 US11096182B2 (en) | 2017-06-07 | 2018-06-07 | Gateway signaling method for frequency/timing offset, and device therefor |
| PCT/KR2018/006432 WO2018226028A1 (ko) | 2017-06-07 | 2018-06-07 | 주파수/타이밍 옵셋을 위한 게이트웨이 시그널링 방법 및 이를 위한 장치 |
| US17/374,388 US11496978B2 (en) | 2017-06-07 | 2021-07-13 | Gateway signaling method for frequency/timing offset, and device therefor |
| US17/735,261 US11564190B2 (en) | 2017-06-07 | 2022-05-03 | Gateway signaling method for frequency/timing offset, and device therefor |
| KR1020250007290A KR20250017728A (ko) | 2017-06-07 | 2025-01-17 | 주파수/타이밍 옵셋을 위한 게이트웨이 시그널링 방법 및 이를 위한 장치 |
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| KR1020170074788 | 2017-06-14 | ||
| KR20170074788 | 2017-06-14 | ||
| KR20170075632 | 2017-06-15 | ||
| KR1020170075632 | 2017-06-15 | ||
| KR1020170078002 | 2017-06-20 | ||
| KR20170078002 | 2017-06-20 |
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| KR102758629B1 true KR102758629B1 (ko) | 2025-01-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111245574B (zh) * | 2015-03-06 | 2022-11-15 | 韩国电子通信研究院 | 使用引导码和前导码的广播信号帧生成方法 |
| KR102465266B1 (ko) * | 2017-05-24 | 2022-11-11 | 한국전자통신연구원 | Miso 동작을 위한 게이트웨이 시그널링 방법 및 이를 위한 장치 |
| WO2018216999A1 (ko) * | 2017-05-24 | 2018-11-29 | 한국전자통신연구원 | Miso 동작을 위한 게이트웨이 시그널링 방법 및 이를 위한 장치 |
| KR102758629B1 (ko) * | 2017-06-07 | 2025-01-22 | 한국전자통신연구원 | 주파수/타이밍 옵셋을 위한 게이트웨이 시그널링 방법 및 이를 위한 장치 |
| WO2018226028A1 (ko) * | 2017-06-07 | 2018-12-13 | 한국전자통신연구원 | 주파수/타이밍 옵셋을 위한 게이트웨이 시그널링 방법 및 이를 위한 장치 |
| WO2021107578A1 (ko) * | 2019-11-27 | 2021-06-03 | 한국전자통신연구원 | 베이스밴드 샘플링 레이트 계수를 시그널링하는 방송 신호 프레임을 이용한 방송 신호 송신 장치 및 방송 신호 송신 방법 |
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