KR100917828B1 - 하향링크 제어 신호 송신 방법 - Google Patents
하향링크 제어 신호 송신 방법 Download PDFInfo
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- KR100917828B1 KR100917828B1 KR1020070099054A KR20070099054A KR100917828B1 KR 100917828 B1 KR100917828 B1 KR 100917828B1 KR 1020070099054 A KR1020070099054 A KR 1020070099054A KR 20070099054 A KR20070099054 A KR 20070099054A KR 100917828 B1 KR100917828 B1 KR 100917828B1
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- 238000000034 method Methods 0.000 title claims abstract description 90
- 230000005540 biological transmission Effects 0.000 claims abstract description 138
- 230000008054 signal transmission Effects 0.000 claims abstract description 46
- 238000013468 resource allocation Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 11
- 230000008901 benefit Effects 0.000 description 7
- 230000011664 signaling Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000013507 mapping Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 208000037918 transfusion-transmitted disease Diseases 0.000 description 1
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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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
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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
- H04L27/261—Details of reference signals
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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
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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
-
- 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
- H04L5/0042—Intra-user or intra-terminal allocation
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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
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
- H04W72/231—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling
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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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
-
- 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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Time-Division Multiplex Systems (AREA)
Abstract
Description
Claims (20)
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 기지국이 하향링크 제어 신호를 전송하는 방법에 있어서,상향링크 또는 하향링크 데이터 전송에 대한 스케줄링 정보를 포함하는 하향링크 제어 신호의 전송 형식을 결정하는 단계; 및결정된 상기 하향링크 제어 신호 전송 형식에 따라 상기 하향링크 제어 신호를 각 사용자 기기로 전송하는 단계를 포함하며,상기 상향링크 제어 신호의 전송 형식은 상기 하향링크 제어 신호가 상기 하향링크 제어 신호 전송을 위해 이용되는 가장 작은 시간-주파수 영역 크기 단위의 정수배로 전송되도록 규정하는, 하향링크 제어 신호 전송 방법.
- 제 8 항에 있어서,상기 하향링크 제어 신호 전송을 위해 이용되는 가장 작은 시간-주파수 영역 크기 단위는 시간-주파수 영역 내에서 연속적으로 배치되는, 하향링크 제어 신호 전송 방법.
- 제 8 항에 있어서,상기 하향링크 제어 신호 전송을 위해 이용되는 가장 작은 시간-주파수 영역 크기 단위는 시간-주파수 영역 내에서 분산되어 배치되는, 하향링크 제어 신호 전송 방법.
- 제 8 항에 있어서,상기 하향링크 제어 신호 전송을 위해 이용되는 가장 작은 시간-주파수 영역 크기 단위는 소정 개수의 자원 요소(Resource Element: RE)를 포함하는 CCE(Control Channel Element)인, 하향링크 제어 신호 전송 방법.
- 제 11 항에 있어서,상기 하향링크 제어 신호 전송 형식은 상기 하향링크 제어 신호를 1개, 2개, 4개 또는 8개의 CCE 단위로 전송하도록 규정하는 하향링크 제어 신호 전송 형식들을 포함하는, 하향링크 제어 신호 전송 방법.
- 제 8 항에 있어서,상기 상향링크 또는 하향링크 데이터 전송에 대한 스케줄링 정보는 소정 개수의 자원 블록(Resource Block)을 포함하는 자원 블록 그룹 단위의 비트맵 정보를 포함하는, 하향링크 제어 신호 전송 방법.
- 제 8 항에 있어서,상기 하향링크 제어 신호의 전송 형식은 상기 기지국이 상기 각 사용자 기기의 채널 상황에 따라 결정하는, 하향링크 제어 신호 전송 방법.
- 사용자 기기가 하향링크 제어 신호를 수신하는 방법에 있어서,상향링크 또는 하향링크 데이터 전송에 대한 스케줄링 정보를 포함하는 하향링크 제어 신호를 기지국으로부터 수신하는 단계; 및상기 하향링크 제어 신호 전송을 위해 이용되는 가장 작은 시간-주파수 영역 크기 단위의 정수배 크기로 상기 하향링크 제어 신호의 복호화(decoding)를 시도하는 단계를 포함하는, 하향링크 제어 신호 수신 방법.
- 제 15 항에 있어서,상기 하향링크 제어 신호 전송을 위해 이용되는 가장 작은 시간-주파수 영역 크기 단위는 시간-주파수 영역 내에서 연속적으로 배치되는, 하향링크 제어 신호 수신 방법.
- 제 15 항에 있어서,상기 하향링크 제어 신호 전송을 위해 이용되는 가장 작은 시간-주파수 영역 크기 단위는 시간-주파수 영역 내에서 분산되어 배치되는, 하향링크 제어 신호 수신 방법.
- 제 15 항에 있어서,상기 하향링크 제어 신호 전송을 위해 이용되는 가장 작은 시간-주파수 영역 크기 단위는 소정 개수의 자원 요소(Resource Element)를 포함하는 CCE(Control Channel Element)인, 하향링크 제어 신호 수신 방법.
- 제 18 항에 있어서,상기 사용자 기기는 1개, 2개, 4개 또는 8개의 CCE 단위로 상기 하향링크 제어 신호의 복호화를 시도하는, 하향링크 제어 신호 수신 방법.
- 제 15 항에 있어서,상기 상향링크 또는 하향링크 데이터 전송에 대한 스케줄링 정보는 소정 개수의 자원 블록(Resource Block)을 포함하는 자원 블록 그룹 단위의 비트맵 정보를 포함하는, 하향링크 제어 신호 수신 방법.
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07833138.6A EP2077056B1 (en) | 2006-10-02 | 2007-10-02 | Method for transmitting downlink control signal |
ES07833138.6T ES2574565T3 (es) | 2006-10-02 | 2007-10-02 | Método para transmitir una señal de control en el enlace descendente |
JP2009530284A JP5237287B2 (ja) | 2006-10-02 | 2007-10-02 | ダウンリンク制御信号の伝送方法 |
MX2009003608A MX2009003608A (es) | 2006-10-02 | 2007-10-02 | Metodo para transmitir una señal de control de enlace descendente. |
PCT/KR2007/004824 WO2008041819A2 (en) | 2006-10-02 | 2007-10-02 | Methods for transmitting downlink control signal |
CN200780036990.2A CN101627595B (zh) | 2006-10-02 | 2007-10-02 | 传输下行链路控制信号的方法 |
US12/444,104 US8027297B2 (en) | 2006-10-02 | 2007-10-02 | Method for transmitting downlink control signal |
BRPI0719541-9A BRPI0719541B1 (pt) | 2006-10-02 | 2007-10-02 | Método de transmissão de sinal de controle de downlink |
TW096136988A TWI416913B (zh) | 2006-10-02 | 2007-10-02 | 傳輸下鏈控制訊號的方法 |
US13/217,204 US8509175B2 (en) | 2006-10-02 | 2011-08-24 | Method for transmitting downlink control signal |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82785206P | 2006-10-02 | 2006-10-02 | |
US60/827,852 | 2006-10-02 | ||
KR1020070000526 | 2007-01-03 | ||
KR20070000526 | 2007-01-03 | ||
KR20070002476 | 2007-01-09 | ||
KR1020070002476 | 2007-01-09 | ||
US94378307P | 2007-06-13 | 2007-06-13 | |
US60/943,783 | 2007-06-13 |
Publications (2)
Publication Number | Publication Date |
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KR20080030942A KR20080030942A (ko) | 2008-04-07 |
KR100917828B1 true KR100917828B1 (ko) | 2009-09-18 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020070099054A Active KR100917828B1 (ko) | 2006-10-02 | 2007-10-02 | 하향링크 제어 신호 송신 방법 |
Country Status (10)
Country | Link |
---|---|
US (2) | US8027297B2 (ko) |
EP (1) | EP2077056B1 (ko) |
JP (1) | JP5237287B2 (ko) |
KR (1) | KR100917828B1 (ko) |
CN (2) | CN101627595B (ko) |
BR (1) | BRPI0719541B1 (ko) |
ES (1) | ES2574565T3 (ko) |
MX (1) | MX2009003608A (ko) |
TW (1) | TWI416913B (ko) |
WO (1) | WO2008041819A2 (ko) |
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