KR20080002901A - 통신 시스템 내의 왕복 대기시간 및 오버헤드를 줄이기위한 방법 및 장치 - Google Patents
통신 시스템 내의 왕복 대기시간 및 오버헤드를 줄이기위한 방법 및 장치 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
- H04B7/2656—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA] for structure of frame, burst
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- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/204—Multiple access
- H04B7/212—Time-division multiple access [TDMA]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1822—Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
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- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
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- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J2011/0003—Combination with other multiplexing techniques
- H04J2011/0009—Combination with other multiplexing techniques with FDM/FDMA
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- H—ELECTRICITY
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- 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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Abstract
Description
| 매개변수 | 반송파 대역폭(MHz) | |||||
| 20 | 15 | 10 | 5 | 2.5 | 1.25 | |
| 프레임 지속시간(ms) | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| FFT 크기 | 1024 | 768 | 512 | 256 | 128 | 64 |
| 서브반송파들(점유됨) | 768 | 576 | 384 | 192 | 96 | 48 |
| 심볼 지속시간(us) | 50 | 50 | 50 | 50 | 50 | 50 |
| 사용가능(us) | 44.44 | 44.44 | 44.44 | 44.44 | 44.44 | 44.44 |
| 보호(us) | 5.56 | 5.56 | 5.56 | 5.56 | 5.56 | 5.56 |
| 보호(샘플들) | 128 | 96 | 64 | 32 | 16 | 8 |
| 서브반송파 스페이싱(kHz) | 22.5 | 22.5 | 22.5 | 22.5 | 22.5 | 22.5 |
| 점유된 BW(MHz) | 17.28 | 12.96 | 8.64 | 4.32 | 2.16 | 1.08 |
| 프레임당 심볼들 | 10 | 10 | 10 | 10 | 10 | 10 |
| 16QAM 데이터율(Mbps) | 49.15 | 36.86 | 24.58 | 12.29 | 6.14 | 3.07 |
| 매개변수 | 반송파 대역폭(MHz) | |||||
| 20 | 15 | 10 | 5 | 2.5 | 1.25 | |
| 프레임 지속시간(ms) | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| FFT 크기 | 1024 | 768 | 512 | 256 | 128 | 64 |
| 서브반송파들(점유됨) | 736 | 552 | 368 | 184 | 96 | 48 |
| 심볼 지속시간(us) | 45.45 | 45.45 | 45.45 | 45.45 | 45.45 | 45.45 |
| 사용가능(us) | 40.00 | 40.00 | 40.00 | 40.00 | 40.00 | 40.00 |
| 보호(us) | 5.45 | 5.45 | 5.45 | 5.45 | 5.45 | 5.45 |
| 보호(샘플들) | 139.64 | 104.78 | 69.82 | 34.91 | 17.45 | 8.73 |
| 정규 보호(us) | 5.43 | 5.42 | 5.39 | 5.31 | 5.31 | 5.00 |
| 비정규 보호(us) | 5.70 | 5.83 | 6.09 | 6.87 | 6.87 | 10.00 |
| 서브반송파 스페이싱(kHz) | 25 | 25 | 25 | 25 | 25 | 25 |
| 점유된 BW(MHz) | 18.4 | 13.8 | 9.2 | 4.6 | 2.4 | 1.2 |
| 서브채널들 | 92 | 69 | 46 | 23 | 12 | 6 |
| 프레임당 심볼들 | 11 | 11 | 11 | 11 | 11 | 11 |
| 16QAM 데이터율(Mbps) | 52.99 | 39.74 | 26.50 | 13.25 | 6.91 | 3.46 |
Claims (10)
- 통신 시스템 내에서 데이터를 전송하기 위한 방법에 있어서,복수의 서브프레임들을 포함하는 무선 프레임을 통해 전송되는 데이터를 수신하는 단계;다수의 서브프레임들을 포함하는 프레임 길이를 선택하는 단계;상기 다수의 서브프레임들에 대한 서브프레임들의 2개 이상의 유형들 중 하나로부터 서브프레임 유형을 선택하는 단계;다수의 데이터 서브프레임들을 생성하도록 상기 다수의 서브프레임들 내에 상기 데이터를 위치시키는 단계; 및상기 무선 프레임을 통해 상기 다수의 데이터 서브프레임들 및 상기 서브프레임 유형을 갖는 프레임을 전송하는 단계를 포함하는, 데이터 전송 방법.
- 제1항에 있어서,서브프레임들의 2개 이상의 유형들로부터의 각각의 서브프레임 유형은 상이한 수의 OFDM 심볼들 또는 상이한 수의 단일 반송파 FDMA 심볼들을 포함하는, 데이터 전송 방법.
- 제1항에 있어서,공통 제어 채널들을 상기 무선 프레임으로 다중화하는 단계를 더 포함하는, 데이터 전송 방법.
- 제1항에 있어서,상기 무선 프레임 내의 파일럿(pilot) 또는 제어 심볼의 존재를 통해 상기 무선 프레임 내의 프레임 시작을 결정하는 단계를 더 포함하는, 데이터 전송 방법.
- 제1항에 있어서,시스템 배치(system deployment)에서, 등록에서, 프레임 동기화 및 제어 내, 무선 프레임 내의 지정된 서브프레임 내, 상기 무선 프레임 내의 제1 서브프레임 내, 이전 무선 프레임 중 마지막 서브프레임 내, 또는 제어 어싸인 할당 자원들(control assignment allocating resources) 내에 상기 무선 프레임의 파티션(partition)을 시그널링하는 단계를 더 포함하는, 데이터 전송 방법.
- 제1항에 있어서,프레임을 선택하는 단계는 2개 이상의 가능한 프레임 지속시간들로부터 프레임 지속시간을 선택하는 단계를 더 포함하는, 데이터 전송 방법.
- 제6항에 있어서,상기 프레임 지속시간을 선택하는 단계는 사용자의 속도, 도플러(Doppler), 무선 채널 조건, 반송파 또는 채널 대역폭, 셀 내의 사용자 위치, 데이터율, QoS, 대기시간 요구사항, 패킷 크기, 오류율, 허용가능한 재전송 수, 원격 유닛 성능, 셀 크기, 반송파 주파수, 다른 무선 시스템들의 근접성, 채널 또는 반송파 대역폭에 기초하여, 또 다른 시스템과의 역방향 호환성을 성취하는 것에 기초하여, 프레임 내에 스케줄링되는 사용자들의 수에 기초하여, 시스템 로드에 기초하여, 각각의 셀 내의 다수의 사용자들에 기초하여, 변조 유형에 기초하여, 또는 트레픽 유형에 기초하여 상기 프레임 지속시간을 선택하는 단계를 포함하는, 데이터 전송 방법.
- 제1항에 있어서,상기 다수의 서브프레임들 내에 자원 할당 제어를 위치시키는 단계를 더 포함하는, 데이터 전송 방법.
- 제8항에 있어서,불변적인 자원은 프레임들 또는 무선 프레임들의 특정된 수에 대해 불변하거나, 상이한 프레임 내의 제어 메시지로 턴오프(turn off)되는, 데이터 전송 방법.
- 제8항에 있어서,제2 프레임을 선택하는 단계를 더 포함하고,상기 자원 할당 제어는 상기 제1 프레임 내에 및 상기 제2 프레임 내에 자원들을 할당하는, 데이터 전송 방법.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66649405P | 2005-03-30 | 2005-03-30 | |
| US60/666,494 | 2005-03-30 | ||
| US11/276,982 US8031583B2 (en) | 2005-03-30 | 2006-03-20 | Method and apparatus for reducing round trip latency and overhead within a communication system |
| US11/276,982 | 2006-03-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20080002901A true KR20080002901A (ko) | 2008-01-04 |
| KR100946951B1 KR100946951B1 (ko) | 2010-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020077025064A Active KR100946951B1 (ko) | 2005-03-30 | 2006-03-27 | 통신 시스템 내의 왕복 대기시간 및 오버헤드를 줄이기위한 방법 및 장치 |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US8031583B2 (ko) |
| EP (2) | EP2879308B1 (ko) |
| JP (2) | JP2008535392A (ko) |
| KR (1) | KR100946951B1 (ko) |
| BR (1) | BRPI0608958B8 (ko) |
| ES (1) | ES2648238T3 (ko) |
| MX (1) | MX2007011789A (ko) |
| RU (1) | RU2378760C2 (ko) |
| WO (1) | WO2006105005A2 (ko) |
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| US8031583B2 (en) | 2005-03-30 | 2011-10-04 | Motorola Mobility, Inc. | Method and apparatus for reducing round trip latency and overhead within a communication system |
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2006
- 2006-03-20 US US11/276,982 patent/US8031583B2/en active Active
- 2006-03-27 EP EP14200198.1A patent/EP2879308B1/en active Active
- 2006-03-27 KR KR1020077025064A patent/KR100946951B1/ko active Active
- 2006-03-27 RU RU2007139903/09A patent/RU2378760C2/ru active
- 2006-03-27 EP EP06748727.2A patent/EP1869801B1/en not_active Not-in-force
- 2006-03-27 JP JP2008504223A patent/JP2008535392A/ja active Pending
- 2006-03-27 WO PCT/US2006/011080 patent/WO2006105005A2/en not_active Ceased
- 2006-03-27 ES ES14200198.1T patent/ES2648238T3/es active Active
- 2006-03-27 MX MX2007011789A patent/MX2007011789A/es active IP Right Grant
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- 2010-09-30 JP JP2010222156A patent/JP5067903B2/ja active Active
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2011
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9173236B2 (en) | 2008-01-09 | 2015-10-27 | Lg Electronics Inc. | Method for transmitting packets in a mobile station |
| KR101435824B1 (ko) * | 2008-01-09 | 2014-09-23 | 엘지전자 주식회사 | 단말의 패킷 전송 방법 |
| US9723633B2 (en) | 2008-01-09 | 2017-08-01 | Lg Electronics Inc. | Method for transmitting packets in a mobile station |
| KR101218306B1 (ko) * | 2008-01-31 | 2013-01-18 | 한양대학교 산학협력단 | 무선 통신 시스템을 위한 직비 전송 제어 방법 |
| WO2015137654A1 (ko) * | 2014-03-13 | 2015-09-17 | 엘지전자 주식회사 | 무선 통신 시스템에서 낮은 지연을 위한 신호 송수신 방법 및 이를 위한 장치 |
| WO2015137648A1 (ko) * | 2014-03-13 | 2015-09-17 | 엘지전자 주식회사 | 무선 통신 시스템에서 낮은 지연을 위한 신호 송수신 방법 및 이를 위한 장치 |
| WO2015137649A1 (ko) * | 2014-03-13 | 2015-09-17 | 엘지전자 주식회사 | 무선 통신 시스템에서 낮은 지연을 위한 신호 송수신 방법 및 이를 위한 장치 |
| US10084586B2 (en) | 2014-03-13 | 2018-09-25 | Lg Electronics Inc. | Method for transmitting and receiving signal for low latency in wireless communication system and apparatus therefor |
| US10218486B2 (en) | 2014-03-13 | 2019-02-26 | Lg Electronics Inc. | Method for transmitting and receiving signal for low latency in wireless communication system and apparatus therefor |
| KR20170076692A (ko) * | 2014-10-31 | 2017-07-04 | 퀄컴 인코포레이티드 | 통합된 프레임 구조 |
| US10644859B2 (en) | 2014-10-31 | 2020-05-05 | Qualcomm Incorporated | Unified frame structure |
| WO2016072570A1 (ko) * | 2014-11-04 | 2016-05-12 | 엘지전자 주식회사 | 무선통신 시스템의 특정 프레임에서 서비스 별로 데이터를 수신하는 방법 및 이를 위한 장치 |
| US10320473B2 (en) | 2014-11-04 | 2019-06-11 | Lg Electronics Inc. | Method for receiving data for each service from particular frame in wireless communication system and apparatus for the method |
| KR20170080597A (ko) * | 2014-11-07 | 2017-07-10 | 퀄컴 인코포레이티드 | 동적 시분할 듀플렉스 시스템들에 대한 업링크 제어 리소스 할당 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008535392A (ja) | 2008-08-28 |
| WO2006105005A3 (en) | 2006-12-07 |
| US8780937B2 (en) | 2014-07-15 |
| MX2007011789A (es) | 2007-12-05 |
| EP2879308A1 (en) | 2015-06-03 |
| RU2007139903A (ru) | 2009-05-10 |
| EP1869801B1 (en) | 2015-01-07 |
| EP1869801A4 (en) | 2013-06-05 |
| BRPI0608958B8 (pt) | 2019-11-19 |
| BRPI0608958B1 (pt) | 2019-09-17 |
| US20110310837A1 (en) | 2011-12-22 |
| WO2006105005A2 (en) | 2006-10-05 |
| JP5067903B2 (ja) | 2012-11-07 |
| RU2378760C2 (ru) | 2010-01-10 |
| US8031583B2 (en) | 2011-10-04 |
| ES2648238T3 (es) | 2017-12-29 |
| EP2879308B1 (en) | 2017-09-06 |
| US20070064669A1 (en) | 2007-03-22 |
| JP2011045111A (ja) | 2011-03-03 |
| BRPI0608958A2 (pt) | 2010-02-17 |
| KR100946951B1 (ko) | 2010-03-15 |
| EP1869801A2 (en) | 2007-12-26 |
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