CN101998436B - 多载波系统的信道信息反馈方法和设备 - Google Patents
多载波系统的信道信息反馈方法和设备 Download PDFInfo
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- CN101998436B CN101998436B CN200910091262.2A CN200910091262A CN101998436B CN 101998436 B CN101998436 B CN 101998436B CN 200910091262 A CN200910091262 A CN 200910091262A CN 101998436 B CN101998436 B CN 101998436B
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- carrier wave
- channel information
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- 238000000034 method Methods 0.000 title claims abstract description 72
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 5
- 238000005457 optimization Methods 0.000 abstract description 5
- 230000000737 periodic effect Effects 0.000 description 7
- 230000011664 signaling Effects 0.000 description 7
- 238000001228 spectrum Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
System Bandwidth NRB DL | Subband Size k (RBs) | Bandwidth Parts (J) |
6-7 8-10 11-26 27-63 64-120 | NA 4 4 6 8 | NA 1 2 3 4 |
Bitmap | 表示和子带选择CQI的量级差 |
00 | 优于子带选择CQI 4个量级或者以上 |
01 | 优于子带选择CQI 2-3个量级以上 |
10 | 优于1个量级或者等于子带选择CQI |
11 | 低于子带选择CQI量级 |
Bitmap | 表示和子带选择CQI的 量级差 | Bitmap | 表示和子带选择CQI 的量级差 |
000 | 优于子带选择CQI 5个 量级或者以上 | 100 | 优于子带选择CQI 1个 量级 |
001 | 优于子带选择CQI 4个 量级 | 101 | 等于子带选择CQI个 量级 |
010 | 优于子带选择CQI 3个 量级 | 110 | 低于子带选择CQI 1-2 个量级 |
011 | 优于子带选择CQI 2个 量级 | 111 | 低于子带选择CQI 3-4 个量级或者以下 |
Claims (23)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910091262.2A CN101998436B (zh) | 2009-08-14 | 2009-08-14 | 多载波系统的信道信息反馈方法和设备 |
PCT/CN2010/075990 WO2011018053A1 (zh) | 2009-08-14 | 2010-08-13 | 多载波系统的信道信息反馈方法和设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910091262.2A CN101998436B (zh) | 2009-08-14 | 2009-08-14 | 多载波系统的信道信息反馈方法和设备 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101998436A CN101998436A (zh) | 2011-03-30 |
CN101998436B true CN101998436B (zh) | 2014-05-14 |
Family
ID=43585977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200910091262.2A Active CN101998436B (zh) | 2009-08-14 | 2009-08-14 | 多载波系统的信道信息反馈方法和设备 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN101998436B (zh) |
WO (1) | WO2011018053A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102223723B (zh) * | 2011-04-07 | 2013-12-11 | 新邮通信设备有限公司 | 一种向基站反馈信道适配参数的方法和一种ue |
CN102291223B (zh) * | 2011-08-05 | 2014-03-12 | 电信科学技术研究院 | 信道状态信息反馈指示及反馈方法和设备 |
CN107707286B (zh) * | 2016-08-08 | 2021-07-09 | 华为技术有限公司 | 一种信道质量信息的反馈方法及装置 |
CN109391965B (zh) * | 2017-08-11 | 2021-11-30 | 维沃移动通信有限公司 | 测量配置方法、网络设备、终端及计算机可读存储介质 |
WO2019061145A1 (en) * | 2017-09-28 | 2019-04-04 | Qualcomm Incorporated | TECHNIQUES AND APPARATUS FOR MANAGING RADIO RESOURCES WITH MULTIPLE BANDWIDTH PARTS |
CN110661676B (zh) * | 2018-06-29 | 2022-06-28 | 大唐移动通信设备有限公司 | 一种带宽部分的测量方法、配置方法、终端及网络设备 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1812353A (zh) * | 2005-01-27 | 2006-08-02 | 阿尔卡特公司 | 用于发送信道质量信息的方法以及相应的移动终端和基站 |
CN101426225A (zh) * | 2008-12-09 | 2009-05-06 | 中兴通讯股份有限公司 | 一种终端上报信道质量指示报告的方法 |
CN101741506A (zh) * | 2008-11-14 | 2010-06-16 | 中兴通讯股份有限公司 | 基于多载波的信道质量指示反馈方法及装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101341517B1 (ko) * | 2007-08-31 | 2013-12-16 | 엘지전자 주식회사 | 인접 대역 선택 방식에 기초한 채널 품질 지시자 생성 및전송 방법 |
US8509160B2 (en) * | 2008-02-11 | 2013-08-13 | Apple Inc. | Method for efficient CQI feedback |
CN101772050B (zh) * | 2009-01-06 | 2013-01-09 | 电信科学技术研究院 | 长期演进多载波系统的载波选择/信道信息测量和反馈系统、方法 |
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2009
- 2009-08-14 CN CN200910091262.2A patent/CN101998436B/zh active Active
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2010
- 2010-08-13 WO PCT/CN2010/075990 patent/WO2011018053A1/zh active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1812353A (zh) * | 2005-01-27 | 2006-08-02 | 阿尔卡特公司 | 用于发送信道质量信息的方法以及相应的移动终端和基站 |
CN101741506A (zh) * | 2008-11-14 | 2010-06-16 | 中兴通讯股份有限公司 | 基于多载波的信道质量指示反馈方法及装置 |
CN101426225A (zh) * | 2008-12-09 | 2009-05-06 | 中兴通讯股份有限公司 | 一种终端上报信道质量指示报告的方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2011018053A1 (zh) | 2011-02-17 |
CN101998436A (zh) | 2011-03-30 |
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Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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