KR101403105B1 - 귀환 데이터 전송 방법, 귀환 데이터 생성 방법 및 데이터스케줄링 방법 - Google Patents
귀환 데이터 전송 방법, 귀환 데이터 생성 방법 및 데이터스케줄링 방법 Download PDFInfo
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- KR101403105B1 KR101403105B1 KR1020070007424A KR20070007424A KR101403105B1 KR 101403105 B1 KR101403105 B1 KR 101403105B1 KR 1020070007424 A KR1020070007424 A KR 1020070007424A KR 20070007424 A KR20070007424 A KR 20070007424A KR 101403105 B1 KR101403105 B1 KR 101403105B1
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- 230000005540 biological transmission Effects 0.000 abstract description 25
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- 238000004891 communication Methods 0.000 description 3
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- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
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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
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0636—Feedback format
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0658—Feedback reduction
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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
- H04L1/0026—Transmission of channel quality indication
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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
- H04L1/0028—Formatting
- H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
-
- 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
- H04L1/1607—Details of the supervisory signal
- H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Description
섹터 처리량 | 패킷 에러율 | |
32레벨의 CQI | 1.03 e4 | 1.77 e-2 |
28레벨의 CQI | 1.03 e4 | 1.67 e-2 |
Claims (8)
- 단말의 피드백 정보 전송 방법에 있어서,피드백 정보를 나타내는 피드백 데이터를 생성하는 단계; 및상기 피드백 데이터를 전송하는 단계를 포함하되,상기 피드백 데이터는 N 비트를 가지는 이진수로 표현되고, 상기 N 비트는 2N 레벨들을 가지며,상기 2N 레벨들은 복수의 레벨 범위들로 분류되고,상기 피드백 데이터가 상기 복수의 레벨 범위들 중 어느 레벨 범위에 속하는가에 따라 상기 피드백 데이터가 나타내는 피드백 정보의 종류가 식별되는 것을 특징으로 하는 방법.여기서, 상기 N은 자연수로 미리 정해진 일정한 값이다.
- 제 1 항에 있어서, 상기 피드백 데이터는 피드백 정보의 종류에 상관없이 미리 정해진 일정한 N 비트로 구성되는 것을 특징으로 하는 단말의 피드백 정보 전송 방법.
- 제 1 항에 있어서, 상기 복수의 레벨 범위들의 개수는 상기 피드백 정보의 종류의 개수와 동일한 것을 특징으로 하는 단말의 피드백 정보 전송 방법.
- 제 1 항에 있어서, 상기 피드백 데이터는 상기 복수의 레벨 범위들 중 어느 하나의 레벨 범위에 포함되고, 상기 하나의 레벨 범위 내에서 몇 번째 값인지에 의해 상기 피드백 정보의 값이 결정되는 것을 특징으로 하는 단말의 피드백 정보 전송 방법.
- 제 1 항에 있어서, 상기 복수의 레벨 범위들의 각 레벨 범위가 나타내는 피드백 정보의 종류는 기지국에 의해 지시되는 것을 특징으로 하는 단말의 피드백 정보 전송 방법.
- 제 1항에 있어서, 상기 피드백 정보의 종류는 채널 품질 정보(channel quality information: CQI), 랭크 지시자(rank indicator : RI) 및 프리코딩 행렬 지시자(precoding matrix indicator : PMI) 중 어느 하나인 것을 특징으로 하는 단말의 피드백 정보 전송 방법.
- 삭제
- 삭제
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07833755.7A EP2080287B1 (en) | 2006-10-31 | 2007-10-31 | Method for transmitting feedback information |
PCT/KR2007/005447 WO2008054142A1 (en) | 2006-10-31 | 2007-10-31 | Method for transmitting feedback information |
US12/441,454 US8432819B2 (en) | 2006-10-31 | 2007-10-31 | Method for transmitting feedback information |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86378006P | 2006-10-31 | 2006-10-31 | |
US60/863,780 | 2006-10-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080039174A KR20080039174A (ko) | 2008-05-07 |
KR101403105B1 true KR101403105B1 (ko) | 2014-06-09 |
Family
ID=39647502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070007424A Expired - Fee Related KR101403105B1 (ko) | 2006-10-31 | 2007-01-24 | 귀환 데이터 전송 방법, 귀환 데이터 생성 방법 및 데이터스케줄링 방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8432819B2 (ko) |
EP (1) | EP2080287B1 (ko) |
KR (1) | KR101403105B1 (ko) |
WO (1) | WO2008054142A1 (ko) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
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US8606287B2 (en) * | 2007-01-09 | 2013-12-10 | Broadcom Corporation | Method and system for controlling and regulating services and resources in high-performance downlink channels |
KR101328281B1 (ko) | 2007-01-12 | 2013-11-14 | 삼성전자주식회사 | 다중 안테나 이용하는 이동 통신 시스템에서의 제어채널운용 방법 및 장치 |
MX2009010691A (es) * | 2007-04-11 | 2009-10-22 | Ericsson Telefon Ab L M | Metodo para transporte implicito de informacion de retroalimentacion de enlace ascendente. |
KR101293373B1 (ko) | 2007-06-25 | 2013-08-05 | 엘지전자 주식회사 | 다중안테나 시스템에서의 데이터 전송 방법 |
WO2009002087A1 (en) * | 2007-06-25 | 2008-12-31 | Lg Electronics Inc. | Method of transmitting feedback data in multiple antenna system |
KR101478362B1 (ko) | 2007-08-10 | 2015-01-28 | 엘지전자 주식회사 | 다중안테나 시스템에서 귀환데이터 전송방법 |
US9007988B2 (en) * | 2008-02-11 | 2015-04-14 | Texas Instruments Incorporated | Partial CQI feedback in wireless networks |
US9049003B2 (en) * | 2008-09-23 | 2015-06-02 | Idtp Holdings, Inc. | Methods and arrangements in a telecommunication system for sending feedback data and user data on a combined feedback and data channel |
US8711716B2 (en) | 2009-06-19 | 2014-04-29 | Texas Instruments Incorporated | Multiple CQI feedback for cellular networks |
CN102013953B (zh) * | 2010-08-16 | 2014-11-05 | 中兴通讯股份有限公司 | 信道信息的发送方法、终端、基站及lte-a系统 |
EP2712611A1 (en) | 2012-09-27 | 2014-04-02 | B. Braun Melsungen AG | Stabilized aqueous compositions of neuromuscular blocking agents |
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2007
- 2007-01-24 KR KR1020070007424A patent/KR101403105B1/ko not_active Expired - Fee Related
- 2007-10-31 WO PCT/KR2007/005447 patent/WO2008054142A1/en active Application Filing
- 2007-10-31 US US12/441,454 patent/US8432819B2/en not_active Expired - Fee Related
- 2007-10-31 EP EP07833755.7A patent/EP2080287B1/en not_active Not-in-force
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US6606320B1 (en) | 1996-12-19 | 2003-08-12 | Sony Corporation | Data communication system and method, data transmission device and method |
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EP1531562A2 (en) | 2003-11-15 | 2005-05-18 | Samsung Electronics Co., Ltd. | Appartaus and method for data rate transmission of user equipment in mobile communication system |
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Also Published As
Publication number | Publication date |
---|---|
US8432819B2 (en) | 2013-04-30 |
EP2080287A4 (en) | 2014-04-16 |
WO2008054142A1 (en) | 2008-05-08 |
US20100085912A1 (en) | 2010-04-08 |
EP2080287B1 (en) | 2019-10-30 |
EP2080287A1 (en) | 2009-07-22 |
KR20080039174A (ko) | 2008-05-07 |
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