CN102893537B - 用于下行多用户mimo配置的替换反馈类型 - Google Patents
用于下行多用户mimo配置的替换反馈类型 Download PDFInfo
- Publication number
- CN102893537B CN102893537B CN201180023094.9A CN201180023094A CN102893537B CN 102893537 B CN102893537 B CN 102893537B CN 201180023094 A CN201180023094 A CN 201180023094A CN 102893537 B CN102893537 B CN 102893537B
- Authority
- CN
- China
- Prior art keywords
- steering vector
- vector
- station
- feedback
- channel
- 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.)
- Active
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
Abstract
Description
Claims (7)
Applications Claiming Priority (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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 |
---|---|
CN102893537A CN102893537A (zh) | 2013-01-23 |
CN102893537B true CN102893537B (zh) | 2016-06-22 |
Family
ID=44513239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 |
---|---|
US (2) | US9209881B2 (zh) |
EP (1) | EP2583385B1 (zh) |
JP (1) | JP5876041B2 (zh) |
KR (1) | KR101923200B1 (zh) |
CN (1) | CN102893537B (zh) |
WO (1) | WO2011159800A1 (zh) |
Families Citing this family (83)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9706599B1 (en) | 2009-07-23 | 2017-07-11 | Marvell International Ltd. | Long wireless local area network (WLAN) packets with midambles |
CN102474386B (zh) | 2009-07-29 | 2015-04-29 | 马维尔国际贸易有限公司 | 用于wlan发送的方法和装置 |
US8660497B1 (en) | 2009-08-18 | 2014-02-25 | Marvell International Ltd. | Beamsteering in a spatial division multiple access (SDMA) system |
EP2507929B1 (en) * | 2009-12-02 | 2022-08-10 | Marvell Asia Pte, Ltd. | Method and apparatus for sounding multiple stations |
US8886755B1 (en) | 2009-12-09 | 2014-11-11 | Marvell International Ltd. | Method and apparatus for facilitating simultaneous transmission from multiple stations |
EP2583385B1 (en) * | 2010-06-16 | 2018-04-18 | Marvell World Trade Ltd. | Alternate feedback types for downlink multiple user mimo configurations |
WO2012021622A1 (en) | 2010-08-10 | 2012-02-16 | Marvell World Trade Ltd. | Channel description feedback in a communication system |
EP3614635A1 (en) | 2010-08-10 | 2020-02-26 | Marvell World Trade Ltd. | Sub-band feedback for beamforming on downlink multiple user mimo configurations |
US9408187B2 (en) * | 2010-08-18 | 2016-08-02 | Nokia Technologies Oy | Method and apparatus for wireless networks |
WO2012047855A2 (en) | 2010-10-04 | 2012-04-12 | Marvell World Trade Ltd. | Compressed feedback format for wlan |
US11152977B2 (en) | 2010-10-21 | 2021-10-19 | Mediatek Singapore Pte. Ltd. | Integrity and quality monitoring and signaling for sounding and reduced feedback |
WO2012054694A1 (en) * | 2010-10-21 | 2012-04-26 | Mediatek Singapore Pte. Ltd. | Integrity and quality monitoring and signaling for sounding and reduced feedback |
WO2012054699A1 (en) * | 2010-10-22 | 2012-04-26 | Mediatek Singapore Pte. Ltd. | Simultaneous feedback signaling for dynamic bandwidth selection |
CN102710390B (zh) * | 2012-05-03 | 2015-09-02 | 新邮通信设备有限公司 | 一种多用户mimo系统中预编码的方法和装置 |
US8644413B2 (en) | 2012-05-29 | 2014-02-04 | Magnolia Broadband Inc. | Implementing blind tuning in hybrid MIMO RF beamforming systems |
US8619927B2 (en) | 2012-05-29 | 2013-12-31 | Magnolia Broadband Inc. | System and method for discrete gain control in hybrid MIMO/RF beamforming |
US8767862B2 (en) | 2012-05-29 | 2014-07-01 | Magnolia Broadband Inc. | Beamformer phase optimization for a multi-layer MIMO system augmented by radio distribution network |
US8971452B2 (en) | 2012-05-29 | 2015-03-03 | Magnolia Broadband Inc. | Using 3G/4G baseband signals for tuning beamformers in hybrid MIMO RDN systems |
US9154204B2 (en) | 2012-06-11 | 2015-10-06 | Magnolia Broadband Inc. | Implementing transmit RDN architectures in uplink MIMO systems |
US9148244B2 (en) | 2012-08-06 | 2015-09-29 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for adaptive cancellation of external interference |
US8797969B1 (en) | 2013-02-08 | 2014-08-05 | Magnolia Broadband Inc. | Implementing multi user multiple input multiple output (MU MIMO) base station using single-user (SU) MIMO co-located base stations |
US9343808B2 (en) | 2013-02-08 | 2016-05-17 | Magnotod Llc | Multi-beam MIMO time division duplex base station using subset of radios |
US20140226740A1 (en) | 2013-02-13 | 2014-08-14 | Magnolia Broadband Inc. | Multi-beam co-channel wi-fi access point |
US9155110B2 (en) | 2013-03-27 | 2015-10-06 | Magnolia Broadband Inc. | System and method for co-located and co-channel Wi-Fi access points |
US8989103B2 (en) | 2013-02-13 | 2015-03-24 | Magnolia Broadband Inc. | Method and system for selective attenuation of preamble reception in co-located WI FI access points |
US9001867B2 (en) | 2013-02-13 | 2015-04-07 | Qualcomm Incorporated | Method and apparatus for managing interference in full-duplex communication |
US9100968B2 (en) | 2013-05-09 | 2015-08-04 | Magnolia Broadband Inc. | Method and system for digital cancellation scheme with multi-beam |
JP6087223B2 (ja) * | 2013-06-25 | 2017-03-01 | 京セラ株式会社 | 基地局、通信制御方法、及びプロセッサ |
JP6101580B2 (ja) * | 2013-06-26 | 2017-03-22 | 京セラ株式会社 | 移動通信システム、ユーザ端末、及び通信制御方法 |
US9425882B2 (en) | 2013-06-28 | 2016-08-23 | Magnolia Broadband Inc. | Wi-Fi radio distribution network stations and method of operating Wi-Fi RDN stations |
US10038996B1 (en) | 2013-07-09 | 2018-07-31 | Marvell International Ltd. | User group selection in multiple user multiple input multiple output (MU-MIMO) configurations |
US8995416B2 (en) | 2013-07-10 | 2015-03-31 | Magnolia Broadband Inc. | System and method for simultaneous co-channel access of neighboring access points |
US9306645B2 (en) | 2013-07-26 | 2016-04-05 | Marvell World Trade Ltd. | Interference avoidance for beamforming transmissions in wireless communication devices and systems |
US9497781B2 (en) | 2013-08-13 | 2016-11-15 | Magnolia Broadband Inc. | System and method for co-located and co-channel Wi-Fi access points |
CN103650400B (zh) * | 2013-08-21 | 2017-06-13 | 华为技术有限公司 | 一种选择预编码矩阵指示的方法、装置及系统 |
US9088898B2 (en) | 2013-09-12 | 2015-07-21 | Magnolia Broadband Inc. | System and method for cooperative scheduling for co-located access points |
US9060362B2 (en) | 2013-09-12 | 2015-06-16 | Magnolia Broadband Inc. | Method and system for accessing an occupied Wi-Fi channel by a client using a nulling scheme |
JP6242643B2 (ja) * | 2013-09-26 | 2017-12-06 | 京セラ株式会社 | 通信制御方法、基地局、及びユーザ端末 |
US9172454B2 (en) | 2013-11-01 | 2015-10-27 | Magnolia Broadband Inc. | Method and system for calibrating a transceiver array |
US8891598B1 (en) | 2013-11-19 | 2014-11-18 | Magnolia Broadband Inc. | Transmitter and receiver calibration for obtaining the channel reciprocity for time division duplex MIMO systems |
US8942134B1 (en) | 2013-11-20 | 2015-01-27 | Magnolia Broadband Inc. | System and method for selective registration in a multi-beam system |
US9294177B2 (en) | 2013-11-26 | 2016-03-22 | Magnolia Broadband Inc. | System and method for transmit and receive antenna patterns calibration for time division duplex (TDD) systems |
US9825678B2 (en) | 2013-11-26 | 2017-11-21 | Marvell World Trade Ltd. | Uplink multi-user multiple input multiple output for wireless local area network |
US9014066B1 (en) | 2013-11-26 | 2015-04-21 | Magnolia Broadband Inc. | System and method for transmit and receive antenna patterns calibration for time division duplex (TDD) systems |
US9166660B2 (en) | 2013-11-27 | 2015-10-20 | Marvell World Trade Ltd. | Uplink multi-user multiple input multiple output beamforming |
WO2015081269A1 (en) | 2013-11-27 | 2015-06-04 | Marvell Semiconductor, Inc. | Sounding and tone block allocation for orthogonal frequency division multiple access (ofdma) in wireless local area networks |
CN112217624A (zh) | 2013-11-27 | 2021-01-12 | 马维尔亚洲私人有限公司 | 用于无线局域网的正交频分多址的通信方法和通信设备 |
US9215055B2 (en) | 2013-11-27 | 2015-12-15 | Marvell World Trade Ltd. | Medium access protection and bandwidth negotiation in a wireless local area network |
US9042276B1 (en) | 2013-12-05 | 2015-05-26 | Magnolia Broadband Inc. | Multiple co-located multi-user-MIMO access points |
US9172446B2 (en) * | 2014-03-19 | 2015-10-27 | Magnolia Broadband Inc. | Method and system for supporting sparse explicit sounding by implicit data |
US9100154B1 (en) | 2014-03-19 | 2015-08-04 | Magnolia Broadband Inc. | Method and system for explicit AP-to-AP sounding in an 802.11 network |
US9935794B1 (en) | 2014-03-24 | 2018-04-03 | Marvell International Ltd. | Carrier frequency offset estimation |
US9271176B2 (en) | 2014-03-28 | 2016-02-23 | Magnolia Broadband Inc. | System and method for backhaul based sounding feedback |
EP3138226B1 (en) | 2014-05-02 | 2020-07-08 | NXP USA, Inc. | Multiple user allocation signaling in a wireless communication network |
US9596060B1 (en) | 2014-05-09 | 2017-03-14 | Marvell International Ltd. | Tone block allocation for orthogonal frequency division multiple access data unit |
US10164695B2 (en) | 2014-05-09 | 2018-12-25 | Marvell World Trade Ltd. | Tone block and spatial stream allocation |
KR20170013905A (ko) | 2014-06-02 | 2017-02-07 | 마벨 월드 트레이드 리미티드 | 고효율 직교 주파수 분할 멀티플렉싱(ofdm) 물리 계층(phy) |
US9954703B2 (en) | 2014-06-11 | 2018-04-24 | Marvell World Trade Ltd. | Compressed preamble for a wireless communication system |
KR102314459B1 (ko) * | 2014-08-12 | 2021-10-19 | 삼성전자주식회사 | 이동 통신 시스템에서 간섭 제어 방법 및 장치 |
CN106716896B (zh) * | 2014-10-10 | 2020-01-24 | 华为技术有限公司 | 一种预编码信息的获取装置、方法和系统 |
US10263686B2 (en) | 2014-11-05 | 2019-04-16 | Nec Corporation | Communication system, transmission device, and communication method |
KR102406033B1 (ko) * | 2014-11-18 | 2022-06-07 | 뉴라컴 인코포레이티드 | 고효율 무선랜에서 상향링크 다중 사용자 전송을 포함하는 사운딩 과정 |
US20160226468A1 (en) * | 2015-01-30 | 2016-08-04 | Huawei Technologies Co., Ltd. | Method and apparatus for parallelized qrd-based operations over a multiple execution unit processing system |
US10153857B1 (en) | 2015-04-10 | 2018-12-11 | Marvell International Ltd. | Orthogonal frequency division multiple access protection |
WO2016191739A1 (en) | 2015-05-27 | 2016-12-01 | Marvell Semiconductor, Inc. | Signaling resource allocations in multi-user data units |
US10270566B2 (en) | 2015-07-01 | 2019-04-23 | Celeno Communications (Israel) Ltd. | MIMO sounding over partial subgroups of transmit antennas |
US9860761B2 (en) | 2015-09-01 | 2018-01-02 | Qualcomm Incorporated | Multi-user multiple-input-multiple-output grouping metrics |
US9590707B1 (en) * | 2015-09-01 | 2017-03-07 | Qualcomm Incorporated | Using compressed beamforming information for optimizing multiple-input multiple-output operations |
US9806775B2 (en) | 2015-09-01 | 2017-10-31 | Qualcomm Incorporated | Multi-user multiple-input-multiple-output groupings of stations |
CN107925452B (zh) * | 2015-11-26 | 2020-11-06 | 华为技术有限公司 | 用于进行mu-mimo传输的方法和装置 |
CN110301101B (zh) | 2016-12-16 | 2023-04-11 | 马维尔亚洲私人有限公司 | 利用压缩反馈的低复杂度波束赋形 |
US10820332B2 (en) | 2017-03-11 | 2020-10-27 | Qualcomm Incorporated | Sounding scheduling for distributed MIMO communication in an access point cluster |
US10820333B2 (en) | 2017-03-11 | 2020-10-27 | Qualcomm Incorporated | Distributed MIMO communication scheduling in an access point cluster |
US10805940B2 (en) | 2017-03-11 | 2020-10-13 | Qualcomm Incorporated | Triggering distributed MIMO communication in a wireless node cluster |
US9942020B1 (en) * | 2017-04-26 | 2018-04-10 | Cisco Technology, Inc. | Minimum delay spatio-temporal filtering for interference rejection |
EP3635926B1 (en) | 2017-06-09 | 2024-03-27 | Marvell World Trade Ltd. | Packets with midambles having compressed ofdm symbols |
US10630357B2 (en) * | 2017-06-30 | 2020-04-21 | Qualcomm Incorporated | Wireless personal area network transmit beamforming |
US10715365B2 (en) | 2017-09-22 | 2020-07-14 | Nxp Usa, Inc. | Determining number of midambles in a packet |
US10601486B1 (en) * | 2018-03-21 | 2020-03-24 | Nxp Usa, Inc. | Compressed beamforming feedback |
US11363549B2 (en) * | 2018-08-29 | 2022-06-14 | Avago Technologies International Sales Pte. Limited | Frame formats for distributed MIMO |
CN109802911B (zh) * | 2019-01-21 | 2020-07-10 | 浙江大学 | 一种适用于水声modem的快速信道估计与信号同步方法 |
US11496338B2 (en) * | 2020-07-14 | 2022-11-08 | Nxp Usa, Inc. | Method and apparatus for beamforming |
US11330594B1 (en) * | 2020-11-25 | 2022-05-10 | Qualcomm Incorporated | Optimized UE beamforming with null space report |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1953574A (zh) * | 2005-10-18 | 2007-04-25 | 上海贝尔阿尔卡特股份有限公司 | 分布式基站、通信系统及其使用的信号传输方法 |
CN101568129A (zh) * | 2008-03-26 | 2009-10-28 | 三星电子株式会社 | 在分布式天线系统中处理信号的装置和方法 |
Family Cites Families (64)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19916912A1 (de) | 1999-04-14 | 2000-11-09 | Siemens Ag | Strahlformungsverfahren der Abwärtsstrecke für Basisstationen in Funk-Kommunikationssystemen |
US7092714B2 (en) | 2002-02-12 | 2006-08-15 | Airnet Communications Corporation | Method for improving RF spectrum efficiency with repeater backhauls |
JP2003309533A (ja) | 2002-04-17 | 2003-10-31 | Matsushita Electric Ind Co Ltd | 無線送信装置、無線受信装置及びその方法 |
US6862440B2 (en) | 2002-05-29 | 2005-03-01 | Intel Corporation | Method and system for multiple channel wireless transmitter and receiver phase and amplitude calibration |
US7412212B2 (en) * | 2002-10-07 | 2008-08-12 | Nokia Corporation | Communication system |
US7440423B2 (en) | 2004-01-12 | 2008-10-21 | Intel Corporation | Channel specification apparatus, systems, and methods |
US7194042B2 (en) | 2004-01-13 | 2007-03-20 | Qualcomm Incorporated | Data transmission with spatial spreading in a mimo communication system |
WO2005074147A1 (en) | 2004-01-30 | 2005-08-11 | Universite Laval | Multi-user adaptive array receiver and method |
US8169889B2 (en) | 2004-02-18 | 2012-05-01 | Qualcomm Incorporated | Transmit diversity and spatial spreading for an OFDM-based multi-antenna communication system |
US7206354B2 (en) | 2004-02-19 | 2007-04-17 | Qualcomm Incorporated | Calibration of downlink and uplink channel responses in a wireless MIMO communication system |
US7486740B2 (en) | 2004-04-02 | 2009-02-03 | Qualcomm Incorporated | Calibration of transmit and receive chains in a MIMO communication system |
DK1751890T3 (en) | 2004-05-27 | 2017-06-12 | Qualcomm Inc | MODIFIED INTRODUCTION STRUCTURE FOR IEEE 802.11A EXTENSIONS TO ENABLE CO-EXISTENCE AND INTEROPERABILITY BETWEEN 802.11A DEVICES AND HIGHER DATARATES, MIMO OR OTHER EXTENDED DEVICES |
US8619907B2 (en) | 2004-06-10 | 2013-12-31 | Agere Systems, LLC | Method and apparatus for preamble training in a multiple antenna communication system |
US8995921B2 (en) | 2004-09-10 | 2015-03-31 | Interdigital Technology Corporation | Measurement support for a smart antenna in a wireless communication system |
US8009578B2 (en) * | 2005-04-11 | 2011-08-30 | Panasonic Corporation | Wireless base station device, terminal, and wireless communication method |
JP4869724B2 (ja) | 2005-06-14 | 2012-02-08 | 株式会社エヌ・ティ・ティ・ドコモ | 送信装置、送信方法、受信装置及び受信方法 |
US7742390B2 (en) | 2005-08-23 | 2010-06-22 | Agere Systems Inc. | Method and apparatus for improved long preamble formats in a multiple antenna communication system |
US8675760B2 (en) | 2005-09-21 | 2014-03-18 | Broadcom Corporation | Method and system for selecting a user group using hybrid-quantized channel direction information feedbacks from MIMO capable mobile devices |
WO2007040515A2 (en) | 2005-09-30 | 2007-04-12 | Mitsubishi Electric Research Laboratories | Training signals for selecting antennas and beams in mimo wireless lans |
JP2007110456A (ja) | 2005-10-14 | 2007-04-26 | Hitachi Ltd | 無線通信装置 |
KR100923913B1 (ko) * | 2005-11-17 | 2009-10-28 | 삼성전자주식회사 | 다중 사용자 간섭 제거 장치 및 방법 |
US7426198B2 (en) * | 2006-02-06 | 2008-09-16 | Motorola, Inc. | Method and apparatus for performing spatial-division multiple access |
US7720030B2 (en) * | 2006-02-28 | 2010-05-18 | Intel Corporation | Techniques for explicit feedback delay measurement |
US7917107B2 (en) | 2006-03-23 | 2011-03-29 | Mitsubishi Electric Research Laboratories, Inc. | Antenna selection with RF imbalance |
US7804800B2 (en) * | 2006-03-31 | 2010-09-28 | Intel Corporation | Efficient training schemes for MIMO based wireless networks |
JP4924106B2 (ja) | 2006-04-27 | 2012-04-25 | ソニー株式会社 | 無線通信システム、並びに無線通信装置及び無線通信方法 |
US8169955B2 (en) | 2006-06-19 | 2012-05-01 | Atc Technologies, Llc | Systems and methods for orthogonal frequency division multiple access (OFDMA) communications over satellite links |
US8787841B2 (en) | 2006-06-27 | 2014-07-22 | Qualcomm Incorporated | Method and system for providing beamforming feedback in wireless communication systems |
EP1895703A1 (en) | 2006-07-05 | 2008-03-05 | Koninklijke Philips Electronics N.V. | Bandwidth asymmetric communication system based on OFDM and TDMA |
CN101542938B (zh) | 2006-09-18 | 2012-12-12 | 马维尔国际贸易有限公司 | 用于无线mimo通信系统中的隐式波束形成的校准校正 |
US8073486B2 (en) * | 2006-09-27 | 2011-12-06 | Apple Inc. | Methods for opportunistic multi-user beamforming in collaborative MIMO-SDMA |
US8374650B2 (en) * | 2006-09-27 | 2013-02-12 | Apple, Inc. | Methods for optimal collaborative MIMO-SDMA |
US8023577B2 (en) | 2007-02-02 | 2011-09-20 | Texas Instruments Incorporated | Systems and methods for efficient channel classification |
US8374275B2 (en) * | 2007-06-23 | 2013-02-12 | Panasonic Corporation | Method and system for communication channel optimization in a multiple-input multiple-output (MIMO) communication system |
EP2171879B1 (en) | 2007-07-18 | 2019-06-19 | Marvell World Trade Ltd. | Access point with simultaneous downlink transmission of independent data for multiple client stations |
CN101755498B (zh) | 2007-07-18 | 2016-09-28 | 马维尔国际贸易有限公司 | 一种无线网络和客户站 |
JP5133007B2 (ja) * | 2007-08-16 | 2013-01-30 | 三星電子株式会社 | 送信装置、及びビームフォーミング行列生成方法 |
PT2198533E (pt) * | 2007-10-08 | 2014-03-10 | Ericsson Telefon Ab L M | Processo e dispositivo para a sinalização de informações de controlo num sistema de comunicações |
JP2009130454A (ja) * | 2007-11-20 | 2009-06-11 | Samsung Electronics Co Ltd | 受信装置、通信システム、及び信号処理方法 |
US8233939B2 (en) | 2008-03-31 | 2012-07-31 | Intel Corporation | Multiuser sector micro diversity system |
US20090274226A1 (en) | 2008-05-05 | 2009-11-05 | Motorola, Inc. | Sounding channel based feedback in a wireless communication system |
US8218422B2 (en) | 2008-06-03 | 2012-07-10 | Nec Laboratories America, Inc. | Coordinated linear beamforming in downlink multi-cell wireless networks |
JP4544349B2 (ja) * | 2008-07-14 | 2010-09-15 | ソニー株式会社 | 無線通信装置及び無線通信方法、並びにコンピュータ・プログラム |
US8811267B2 (en) | 2008-08-13 | 2014-08-19 | Samsung Electronics Co., Ltd. | Communication system for supporting primary user and secondary user |
US8155138B2 (en) | 2008-08-19 | 2012-04-10 | Qualcomm Incorporated | Training sequences for very high throughput wireless communication |
US20100046656A1 (en) | 2008-08-20 | 2010-02-25 | Qualcomm Incorporated | Preamble extensions |
JP2010093704A (ja) | 2008-10-10 | 2010-04-22 | Sony Corp | 無線通信システム、無線通信装置及び無線通信方法、並びにコンピューター・プログラム |
CN101854199B (zh) * | 2009-03-31 | 2015-01-14 | 株式会社Ntt都科摩 | 一种无线通信中自适应协作传输的方法、系统和发射机 |
CN102369674B (zh) | 2009-03-31 | 2014-07-23 | 马维尔国际贸易有限公司 | 用于无线通信的方法、装置及系统 |
US9655002B2 (en) | 2009-04-13 | 2017-05-16 | Marvell World Trade Ltd. | Physical layer frame format for WLAN |
US8599803B1 (en) | 2009-05-01 | 2013-12-03 | Marvell International Ltd. | Open loop multiple access for WLAN |
US8526351B2 (en) | 2009-06-05 | 2013-09-03 | Broadcom Corporation | Channel characterization and training within multiple user, multiple access, and/or MIMO wireless communications |
US9197298B2 (en) | 2009-06-05 | 2015-11-24 | Broadcom Corporation | Group identification and definition within multiple user, multiple access, and/or MIMO wireless communications |
CN102474386B (zh) | 2009-07-29 | 2015-04-29 | 马维尔国际贸易有限公司 | 用于wlan发送的方法和装置 |
EP2465227B1 (en) | 2009-08-12 | 2017-07-26 | Marvell World Trade Ltd. | Sdma multi-device wireless communications |
US8660497B1 (en) | 2009-08-18 | 2014-02-25 | Marvell International Ltd. | Beamsteering in a spatial division multiple access (SDMA) system |
JP5718346B2 (ja) | 2009-10-23 | 2015-05-13 | マーベル ワールド トレード リミテッド | データユニットのプリアンブルを生成又は受信する方法及び装置 |
US8472383B1 (en) | 2009-11-24 | 2013-06-25 | Marvell International Ltd. | Group management in multiuser communications |
EP2507929B1 (en) | 2009-12-02 | 2022-08-10 | Marvell Asia Pte, Ltd. | Method and apparatus for sounding multiple stations |
US8886755B1 (en) | 2009-12-09 | 2014-11-11 | Marvell International Ltd. | Method and apparatus for facilitating simultaneous transmission from multiple stations |
US20110199946A1 (en) | 2010-02-17 | 2011-08-18 | Qualcomm Incorporated | Method and apparatus for supporting adaptive channel state information feedback rate in multi-user communication systems |
US8411631B2 (en) | 2010-06-11 | 2013-04-02 | Intel Corporation | Response mechanisms for wireless networks using wide bandwidth |
EP2583385B1 (en) | 2010-06-16 | 2018-04-18 | Marvell World Trade Ltd. | Alternate feedback types for downlink multiple user mimo configurations |
EP3614635A1 (en) | 2010-08-10 | 2020-02-26 | Marvell World Trade Ltd. | Sub-band feedback for beamforming on downlink multiple user mimo configurations |
-
2011
- 2011-06-15 EP EP11728131.1A patent/EP2583385B1/en active Active
- 2011-06-15 KR KR1020127032298A patent/KR101923200B1/ko active IP Right Grant
- 2011-06-15 JP JP2013515481A patent/JP5876041B2/ja active Active
- 2011-06-15 CN CN201180023094.9A patent/CN102893537B/zh active Active
- 2011-06-15 WO PCT/US2011/040527 patent/WO2011159800A1/en active Application Filing
- 2011-06-15 US US13/161,209 patent/US9209881B2/en active Active
-
2015
- 2015-12-07 US US14/961,420 patent/US9629128B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1953574A (zh) * | 2005-10-18 | 2007-04-25 | 上海贝尔阿尔卡特股份有限公司 | 分布式基站、通信系统及其使用的信号传输方法 |
CN101568129A (zh) * | 2008-03-26 | 2009-10-28 | 三星电子株式会社 | 在分布式天线系统中处理信号的装置和方法 |
Also Published As
Publication number | Publication date |
---|---|
US20110310827A1 (en) | 2011-12-22 |
JP2013535143A (ja) | 2013-09-09 |
KR20130129821A (ko) | 2013-11-29 |
US20160088606A1 (en) | 2016-03-24 |
CN102893537A (zh) | 2013-01-23 |
US9209881B2 (en) | 2015-12-08 |
JP5876041B2 (ja) | 2016-03-02 |
EP2583385A1 (en) | 2013-04-24 |
WO2011159800A1 (en) | 2011-12-22 |
EP2583385B1 (en) | 2018-04-18 |
KR101923200B1 (ko) | 2018-11-29 |
US9629128B2 (en) | 2017-04-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102893537B (zh) | 用于下行多用户mimo配置的替换反馈类型 | |
US10530457B1 (en) | Beamsteering in a spatial division multiple access (SDMA) system | |
US10389425B2 (en) | Sub-band feedback for beamforming on downlink multiple user MIMO configurations | |
JP5615976B2 (ja) | チャネルフィードバック方法及び通信局 | |
CN102857288B (zh) | 基站装置、无线通信系统以及无线通信方法 | |
CN102100013B (zh) | 用于多波束形成通信的天线训练和通信协议的方法和系统 | |
JP6124304B2 (ja) | 方法および装置 | |
US8891653B2 (en) | MU-MIMO transmission method in wireless LAN system | |
CN104396154B (zh) | 用于wlan的完全压缩和部分压缩的反馈格式 | |
CN110324072A (zh) | 用于传输子空间选择的系统和方法 | |
JP5244172B2 (ja) | 無線通信ネットワークにおける複数アンテナ送信を制御する方法及び装置 | |
CN102415032A (zh) | 码本构建方法和设备以及预编码方法、设备和系统 | |
EP2341638B1 (en) | Iterave method and system for multiple user multiple input multiple output (Mu-Mimo) communication | |
CN110912595A (zh) | 用于应用平滑的波束成形的系统和方法 | |
CN102571172B (zh) | 在mimo无线通信系统中进行用户调度的方法和设备 | |
WO2011136473A2 (en) | Method for avoiding interference in wireless communication system and apparatus for the same |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200426 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: 20200426 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: 20200426 Address after: Hamilton, Bermuda Patentee after: Marvell International Ltd. Address before: Babado J San Mega Le Patentee before: MARVELL WORLD TRADE Ltd. |
|
TR01 | Transfer of patent right |