CN102893537A - 用于下行多用户mimo配置的替换反馈类型 - Google Patents
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- CN102893537A CN102893537A CN2011800230949A CN201180023094A CN102893537A CN 102893537 A CN102893537 A CN 102893537A CN 2011800230949 A CN2011800230949 A CN 2011800230949A CN 201180023094 A CN201180023094 A CN 201180023094A CN 102893537 A CN102893537 A CN 102893537A
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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
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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
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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
- H04B7/0413—MIMO systems
- H04B7/0426—Power distribution
- H04B7/0434—Power distribution using multiple eigenmodes
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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
- H04B7/0413—MIMO systems
- H04B7/0452—Multi-user MIMO systems
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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
- H04B7/0617—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 for beam forming
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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
- H04B7/0634—Antenna weights or vector/matrix coefficients
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0204—Channel estimation of multiple channels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
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- 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
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Quality & Reliability (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (38)
Applications Claiming Priority (11)
Application Number | Priority Date | Filing Date | Title |
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US35548010P | 2010-06-16 | 2010-06-16 | |
US61/355,480 | 2010-06-16 | ||
US36036110P | 2010-06-30 | 2010-06-30 | |
US61/360,361 | 2010-06-30 | ||
US36848010P | 2010-07-28 | 2010-07-28 | |
US61/368,480 | 2010-07-28 | ||
US37063310P | 2010-08-04 | 2010-08-04 | |
US61/370,633 | 2010-08-04 | ||
US37267010P | 2010-08-11 | 2010-08-11 | |
US61/372,670 | 2010-08-11 | ||
PCT/US2011/040527 WO2011159800A1 (en) | 2010-06-16 | 2011-06-15 | Alternate feedback types for downlink multiple user mimo configurations |
Publications (2)
Publication Number | Publication Date |
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CN102893537A true CN102893537A (zh) | 2013-01-23 |
CN102893537B CN102893537B (zh) | 2016-06-22 |
Family
ID=44513239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201180023094.9A Active CN102893537B (zh) | 2010-06-16 | 2011-06-15 | 用于下行多用户mimo配置的替换反馈类型 |
Country Status (6)
Country | Link |
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US (2) | US9209881B2 (zh) |
EP (1) | EP2583385B1 (zh) |
JP (1) | JP5876041B2 (zh) |
KR (1) | KR101923200B1 (zh) |
CN (1) | CN102893537B (zh) |
WO (1) | WO2011159800A1 (zh) |
Cited By (2)
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WO2016119519A1 (en) * | 2015-01-30 | 2016-08-04 | Huawei Technologies Co., Ltd. | Method and apparatus for parallelized qrd-based operations over multiple execution unit processing system |
WO2017088145A1 (zh) * | 2015-11-26 | 2017-06-01 | 华为技术有限公司 | 用于进行mu-mimo传输的方法和装置 |
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KR101657255B1 (ko) | 2009-07-29 | 2016-09-13 | 마벨 월드 트레이드 리미티드 | Wlan 송신용 방법들 및 장치 |
US8660497B1 (en) | 2009-08-18 | 2014-02-25 | Marvell International Ltd. | Beamsteering in a spatial division multiple access (SDMA) system |
CN102696195B (zh) | 2009-12-02 | 2016-01-20 | 马维尔国际贸易有限公司 | 用于对多个站进行探测的方法和装置 |
US8886755B1 (en) | 2009-12-09 | 2014-11-11 | Marvell International Ltd. | Method and apparatus for facilitating simultaneous transmission from multiple stations |
WO2011159800A1 (en) * | 2010-06-16 | 2011-12-22 | Marvell World Trade Ltd. | Alternate feedback types for downlink multiple user mimo configurations |
EP2603984B1 (en) | 2010-08-10 | 2019-07-17 | Marvell World Trade Ltd. | Channel description feedback in a communication system |
KR101829851B1 (ko) | 2010-08-10 | 2018-03-29 | 마벨 월드 트레이드 리미티드 | 다운링크 복수 사용자 mimo 구조 상의 빔포밍용 서브-대역 피드백 |
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CN106059714B (zh) | 2010-10-04 | 2020-04-10 | 马维尔国际贸易有限公司 | 用于波束赋形通信的方法、装置及系统 |
US11152977B2 (en) | 2010-10-21 | 2021-10-19 | Mediatek Singapore Pte. Ltd. | Integrity and quality monitoring and signaling for sounding and reduced feedback |
US20130058239A1 (en) * | 2010-10-21 | 2013-03-07 | James June-Ming Wang | Integrity and Quality Monitoring and Signaling for Sounding and Reduced Feedback |
US9258070B2 (en) * | 2010-10-22 | 2016-02-09 | Mediatek Singapore Pte. Ltd. | Simultaneous feedback signaling for dynamic bandwidth selection |
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US20110310827A1 (en) | 2011-12-22 |
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US9209881B2 (en) | 2015-12-08 |
US20160088606A1 (en) | 2016-03-24 |
KR101923200B1 (ko) | 2018-11-29 |
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