CN104321977A - 计算和报告信道特性 - Google Patents
计算和报告信道特性 Download PDFInfo
- Publication number
- CN104321977A CN104321977A CN201380025578.6A CN201380025578A CN104321977A CN 104321977 A CN104321977 A CN 104321977A CN 201380025578 A CN201380025578 A CN 201380025578A CN 104321977 A CN104321977 A CN 104321977A
- Authority
- CN
- China
- Prior art keywords
- cqi
- communication equipment
- interference
- computing technique
- interference covariance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
-
- 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
- H04B7/022—Site diversity; Macro-diversity
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
-
- 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
- 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
-
- 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
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- 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
Abstract
Description
Claims (39)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261648173P | 2012-05-17 | 2012-05-17 | |
US61/648,173 | 2012-05-17 | ||
PCT/US2013/041662 WO2013173765A1 (en) | 2012-05-17 | 2013-05-17 | Calculating and reporting channel characteristics |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104321977A true CN104321977A (zh) | 2015-01-28 |
CN104321977B CN104321977B (zh) | 2018-05-01 |
Family
ID=48626124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201380025578.6A Active CN104321977B (zh) | 2012-05-17 | 2013-05-17 | 用于计算和报告信道特性的方法和设备 |
Country Status (6)
Country | Link |
---|---|
US (2) | US9198072B2 (zh) |
EP (2) | EP4199370A1 (zh) |
JP (1) | JP6260799B2 (zh) |
KR (1) | KR102105063B1 (zh) |
CN (1) | CN104321977B (zh) |
WO (1) | WO2013173765A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013173765A1 (en) | 2012-05-17 | 2013-11-21 | Marvell World Trade Ltd. | Calculating and reporting channel characteristics |
KR102243661B1 (ko) * | 2013-07-29 | 2021-04-23 | 엘지전자 주식회사 | 무선 통신 시스템에서 NIB CoMP 방법 및 장치 |
CN105680999B (zh) * | 2014-11-17 | 2019-05-21 | 电信科学技术研究院 | 一种信道状态信息测量方法、终端和网络设备 |
US10296610B2 (en) * | 2015-03-31 | 2019-05-21 | International Business Machines Corporation | Associating a post with a goal |
US10404347B2 (en) * | 2016-07-13 | 2019-09-03 | Qualcomm Incorporated | Beamforming in TDD MIMO systems with asymmetric antenna configuration |
WO2022031295A1 (en) * | 2020-08-07 | 2022-02-10 | Nokia Technologies Oy | Covariance matrix updates |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100271968A1 (en) * | 2009-04-24 | 2010-10-28 | Samsung Electronics Co. Ltd. | Techniques for channel state information feedback in wireless communication system |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070213057A1 (en) * | 2006-03-08 | 2007-09-13 | Interdigital Technology Corporation | Method and apparatus for supporting routing area update procedures in a single tunnel gprs-based wireless communication system |
KR100991794B1 (ko) * | 2007-12-31 | 2010-11-03 | 엘지전자 주식회사 | 셀간 간섭 감소 방법 |
CN102217206B (zh) | 2009-01-05 | 2014-10-08 | 马维尔国际贸易有限公司 | 用于mimo通信系统的预编码码本 |
JP4792513B2 (ja) * | 2009-04-27 | 2011-10-12 | 株式会社エヌ・ティ・ティ・ドコモ | 無線通信システムで使用される方法及び通信端末 |
US8396438B2 (en) * | 2009-06-24 | 2013-03-12 | Qualcomm Incorporated | Enhanced interference nulling equalization |
CN102550079B (zh) | 2009-11-09 | 2015-10-21 | 马维尔国际贸易有限公司 | 用于经协调的发射系统的非对称反馈 |
US8614981B2 (en) * | 2010-01-29 | 2013-12-24 | Qualcomm Incorporated | Reporting of channel information to support coordinated multi-point data transmission |
US8615052B2 (en) | 2010-10-06 | 2013-12-24 | Marvell World Trade Ltd. | Enhanced channel feedback for multi-user MIMO |
US9130725B2 (en) | 2010-11-02 | 2015-09-08 | Qualcomm Incorporated | Interaction of PDSCH resource mapping, CSI-RS, and muting |
CN102594528B (zh) | 2011-01-10 | 2017-07-07 | 夏普株式会社 | 非周期信道状态信息反馈的触发方法和设备 |
US8995400B2 (en) | 2011-02-11 | 2015-03-31 | Qualcomm Incorporated | Method and apparatus for enabling channel and interference estimations in macro/RRH system |
US20150003469A1 (en) | 2011-05-26 | 2015-01-01 | Lantiq Deutschland Gmbh | Method for optimal allocation of resources in a multi-user network |
WO2013093786A2 (en) | 2011-12-20 | 2013-06-27 | Marvell World Trade Ltd. | Reference signal design for coordinated multipoint transmission |
WO2013173765A1 (en) | 2012-05-17 | 2013-11-21 | Marvell World Trade Ltd. | Calculating and reporting channel characteristics |
-
2013
- 2013-05-17 WO PCT/US2013/041662 patent/WO2013173765A1/en active Application Filing
- 2013-05-17 JP JP2015512899A patent/JP6260799B2/ja active Active
- 2013-05-17 KR KR1020147034089A patent/KR102105063B1/ko active IP Right Grant
- 2013-05-17 CN CN201380025578.6A patent/CN104321977B/zh active Active
- 2013-05-17 EP EP23155730.7A patent/EP4199370A1/en active Pending
- 2013-05-17 EP EP13728867.6A patent/EP2850742B1/en active Active
- 2013-05-17 US US13/897,144 patent/US9198072B2/en active Active
-
2015
- 2015-11-23 US US14/949,429 patent/US9615280B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100271968A1 (en) * | 2009-04-24 | 2010-10-28 | Samsung Electronics Co. Ltd. | Techniques for channel state information feedback in wireless communication system |
Non-Patent Citations (2)
Title |
---|
CATT: ""Analysis of Feedback Signalling for Downlink CoMP"", 《3GPP DRAFT》 * |
SAMSUNG: ""CoMP Implicit CQI Feedback Discussions"", 《3GPP TSG RAN WG1 MEETING》 * |
Also Published As
Publication number | Publication date |
---|---|
EP2850742A1 (en) | 2015-03-25 |
EP2850742B1 (en) | 2023-04-12 |
JP2015523773A (ja) | 2015-08-13 |
EP4199370A1 (en) | 2023-06-21 |
US9615280B2 (en) | 2017-04-04 |
US20140003266A1 (en) | 2014-01-02 |
KR20150014479A (ko) | 2015-02-06 |
US9198072B2 (en) | 2015-11-24 |
KR102105063B1 (ko) | 2020-04-28 |
CN104321977B (zh) | 2018-05-01 |
WO2013173765A1 (en) | 2013-11-21 |
JP6260799B2 (ja) | 2018-01-17 |
US20160080957A1 (en) | 2016-03-17 |
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Effective date of registration: 20200428 Address after: Singapore City Patentee after: Marvell Asia Pte. Ltd. Address before: Ford street, Grand Cayman, Cayman Islands Patentee before: Kaiwei international Co. Effective date of registration: 20200428 Address after: Ford street, Grand Cayman, Cayman Islands Patentee after: Kaiwei international Co. Address before: Hamilton, Bermuda Patentee before: Marvell International Ltd. Effective date of registration: 20200428 Address after: Hamilton, Bermuda Patentee after: Marvell International Ltd. Address before: Babado J San Mega Le Patentee before: MARVELL WORLD TRADE Ltd. |
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