CN102577158A - 自适应发射反馈 - Google Patents
自适应发射反馈 Download PDFInfo
- Publication number
- CN102577158A CN102577158A CN2010800417414A CN201080041741A CN102577158A CN 102577158 A CN102577158 A CN 102577158A CN 2010800417414 A CN2010800417414 A CN 2010800417414A CN 201080041741 A CN201080041741 A CN 201080041741A CN 102577158 A CN102577158 A CN 102577158A
- Authority
- CN
- China
- Prior art keywords
- power
- channel
- receiver
- reflector
- channel condition
- 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
Links
- 238000000034 method Methods 0.000 claims abstract description 82
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 230000003044 adaptive effect Effects 0.000 claims description 20
- 238000012545 processing Methods 0.000 claims description 18
- 230000007774 longterm Effects 0.000 claims description 16
- 230000004044 response Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 238000004134 energy conservation Methods 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims 1
- 230000006978 adaptation Effects 0.000 description 31
- 239000011159 matrix material Substances 0.000 description 19
- 238000005516 engineering process Methods 0.000 description 18
- 239000013598 vector Substances 0.000 description 17
- 230000000875 corresponding effect Effects 0.000 description 13
- 230000002441 reversible effect Effects 0.000 description 11
- 230000008859 change Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 208000017227 ADan amyloidosis Diseases 0.000 description 6
- 201000000194 ITM2B-related cerebral amyloid angiopathy 2 Diseases 0.000 description 6
- 230000006399 behavior Effects 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000000284 extract Substances 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 230000011664 signaling Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000008713 feedback mechanism Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/373—Predicting channel quality or other radio frequency [RF] parameters
-
- 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
- H04B7/0417—Feedback 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
- H04B7/0623—Auxiliary parameters, e.g. power control [PCB] or not acknowledged commands [NACK], used as feedback information
-
- 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]
-
- 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
- H04B7/066—Combined feedback for a number of channels, e.g. over several subcarriers like in orthogonal frequency division multiplexing [OFDM]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Quality & Reliability (AREA)
- Electromagnetism (AREA)
- Mathematical Physics (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (41)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0912581.6 | 2009-07-20 | ||
GB0912581A GB2472013B (en) | 2009-07-20 | 2009-07-20 | Adaptive transmission |
PCT/EP2010/053994 WO2011009647A1 (en) | 2009-07-20 | 2010-03-26 | Adaptive transmission feedback |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102577158A true CN102577158A (zh) | 2012-07-11 |
CN102577158B CN102577158B (zh) | 2016-08-03 |
Family
ID=41058224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201080041741.4A Active CN102577158B (zh) | 2009-07-20 | 2010-03-26 | 自适应发射反馈 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8862075B2 (zh) |
CN (1) | CN102577158B (zh) |
DE (1) | DE112010002986B4 (zh) |
GB (1) | GB2472013B (zh) |
WO (1) | WO2011009647A1 (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105284144A (zh) * | 2013-06-07 | 2016-01-27 | 苹果公司 | 对显著位置进行建模 |
CN106936741A (zh) * | 2017-03-20 | 2017-07-07 | 重庆大学 | 一种基于卡尔曼滤波器的mimo信道估计方法 |
CN107210803A (zh) * | 2015-02-04 | 2017-09-26 | 华为技术有限公司 | 用于大规模mimo通信的系统和方法 |
CN108139999A (zh) * | 2015-12-22 | 2018-06-08 | 密克罗奇普技术公司 | 用于调谐通用串行总线电力递送信号的方法及设备 |
US10209341B2 (en) | 2013-09-06 | 2019-02-19 | Apple Inc. | Providing transit information |
CN110648518A (zh) * | 2019-09-23 | 2020-01-03 | 湖南长城信息金融设备有限责任公司 | 用于无人机和遥控器的数据传输方法及其相应的装置 |
US11363405B2 (en) | 2014-05-30 | 2022-06-14 | Apple Inc. | Determining a significant user location for providing location-based services |
CN115885551A (zh) * | 2020-08-21 | 2023-03-31 | 上海诺基亚贝尔股份有限公司 | 用于控制发射功率的方法、装置和计算机可读介质 |
WO2024012170A1 (zh) * | 2022-07-11 | 2024-01-18 | 深圳市中兴微电子技术有限公司 | Psfch信号检测方法、装置、存储介质及电子装置 |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2472013B (en) | 2009-07-20 | 2015-04-29 | Nvidia Technology Uk Ltd | Adaptive transmission |
US8548511B2 (en) * | 2010-06-21 | 2013-10-01 | Qualcomm Incorporated | Energy saving mode with maintained number of advertised transmit antennas |
US9504022B2 (en) * | 2010-06-30 | 2016-11-22 | Telefonaktiebolaget L M Ericsson | Methods and devices for configuring user equipments with multiple transmit antennas |
US8660057B2 (en) * | 2010-08-26 | 2014-02-25 | Golba, Llc | Method and system for distributed communication |
CN102447502B (zh) * | 2010-09-30 | 2015-03-11 | 日电(中国)有限公司 | 用于获取进行波束成形所需的信道状态信息的方法和设备 |
EP3965324A3 (en) * | 2010-12-10 | 2022-03-23 | Sun Patent Trust | Signal generation method and signal generation device |
US20120182893A1 (en) * | 2011-01-17 | 2012-07-19 | Solomon Trainin | Method, apparatus and system for controlling power of wireless communication device |
JP5571116B2 (ja) * | 2012-03-23 | 2014-08-13 | 株式会社東芝 | 無線通信装置 |
WO2014196986A1 (en) * | 2013-06-07 | 2014-12-11 | Hewlett-Packard Development Company, L.P. | Target channel identification for a wireless communication |
US9544721B2 (en) | 2013-07-26 | 2017-01-10 | Apple Inc. | Address point data mining |
US9912393B2 (en) | 2014-03-26 | 2018-03-06 | Nokia Solutions And Networks Oy | Radio frequency beamforming basis function feedback |
US20160105896A1 (en) * | 2014-10-10 | 2016-04-14 | Huawei Technologies Co., Ltd. | System and Method for Link Adaptation |
US9853681B2 (en) | 2014-11-03 | 2017-12-26 | Apple Inc. | Arbitrator for multi-radio antenna switching |
US10020862B2 (en) | 2014-11-03 | 2018-07-10 | Apple Inc. | Wi-Fi adaptive receiver diversity |
US9768825B2 (en) * | 2014-11-03 | 2017-09-19 | Apple Inc. | Wi-Fi adaptive transmit antenna selection |
US20170170885A1 (en) * | 2015-12-09 | 2017-06-15 | Qinghua Li | Beamforming channel smoothing |
WO2018002410A1 (en) * | 2016-06-28 | 2018-01-04 | Nokia Technologies Oy | Enhanced feedback signalling |
US11165521B2 (en) * | 2016-12-13 | 2021-11-02 | Amimon Ltd. | Analog signal transmission with multiple antennas |
WO2020007486A1 (en) * | 2018-07-06 | 2020-01-09 | Huawei Technologies Co., Ltd. | Devices and methods for adaptively adjusting a mimo transmission scheme |
KR102597605B1 (ko) * | 2018-10-18 | 2023-11-02 | 삼성전자주식회사 | 채널 정보에 기반하여 변조방식 및 복조방식을 설정하는 무선 통신장치 및 이의 동작방법 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2353437A (en) * | 1999-08-17 | 2001-02-21 | Fujitsu Ltd | Diversity transmission means with phase adjustment depending upon a feedback signal supplied to the transmitter by the receiver |
US20060135079A1 (en) * | 2004-12-21 | 2006-06-22 | Barnett Kenneth C | Transmit power reduction for a wireless device with multiple transmit signal paths |
WO2006127318A1 (en) * | 2005-05-24 | 2006-11-30 | Magnolia Broadband Inc. | Determining a phase adjustment in accordance with power trends |
US20080123768A1 (en) * | 2006-10-26 | 2008-05-29 | Haim Harel | Method, system and apparatus for applying hybrid ARQ to the control of transmit diversity |
US20090080504A1 (en) * | 2007-09-21 | 2009-03-26 | Qinghua Li | Delay compensation for transmit/receive chain calibration and multiuser MIMO |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8538322B1 (en) * | 1998-02-23 | 2013-09-17 | Qualcomm Incorporated | Transmit and admission control for CDMA satellite communication system |
KR100433910B1 (ko) * | 1999-02-13 | 2004-06-04 | 삼성전자주식회사 | 부호분할다중접속 통신시스템의 주파수간핸드오프를 위한 전력 |
US7054662B2 (en) * | 2001-01-24 | 2006-05-30 | Qualcomm, Inc. | Method and system for forward link beam forming in wireless communications |
EP1391059B1 (en) * | 2001-05-31 | 2009-01-21 | Magnolia Broadband, Inc. | Communication device with smart antenna using a quality-indication signal |
US7366230B2 (en) * | 2001-12-21 | 2008-04-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Power control in mobile radio communications systems |
AU2003265480A1 (en) * | 2003-08-13 | 2005-03-10 | Flarion Technologies, Inc. | Methods and apparatus of power control in wireless communication systems |
US7430430B2 (en) | 2003-12-16 | 2008-09-30 | Magnolia Broadband Inc. | Adjusting a signal at a diversity system |
US20060267983A1 (en) | 2005-05-24 | 2006-11-30 | Magnolia Broadband Inc. | Modifying a signal by adjusting the phase and amplitude of the signal |
US7907911B2 (en) * | 2005-08-16 | 2011-03-15 | Alcatel-Lucent Usa Inc. | Scheduling multi-user transmission in the downlink of a multi-antenna wireless communication system |
US20070041457A1 (en) * | 2005-08-22 | 2007-02-22 | Tamer Kadous | Method and apparatus for providing antenna diversity in a wireless communication system |
US8139672B2 (en) * | 2005-09-23 | 2012-03-20 | Qualcomm Incorporated | Method and apparatus for pilot communication in a multi-antenna wireless communication system |
US7796717B2 (en) | 2005-11-02 | 2010-09-14 | Magnolia Brandband Inc. | Modifying a signal according to a diversity parameter adjustment |
US7623602B2 (en) * | 2005-11-15 | 2009-11-24 | Tensorcomm, Inc. | Iterative interference canceller for wireless multiple-access systems employing closed loop transmit diversity |
WO2008031037A2 (en) * | 2006-09-07 | 2008-03-13 | Texas Instruments Incorporated | Antenna grouping for mimo systems |
WO2008038128A2 (en) * | 2006-09-29 | 2008-04-03 | Nokia Corporation | Parallel schmidt-kalman filtering for parameter estimation |
CA2571385C (en) * | 2006-12-18 | 2015-11-24 | University Of Waterloo | Adaptive channel prediction system and method |
WO2008113022A1 (en) | 2007-03-14 | 2008-09-18 | Magnolia Broadband Inc. | Method, apparatus and system for providing transmit diversity feedback |
US8750811B2 (en) | 2007-03-14 | 2014-06-10 | Google Inc. | Method, apparatus and system for phase difference adjustment in transmit diversity |
US7817088B2 (en) * | 2007-10-19 | 2010-10-19 | Cisco Technology, Inc. | Beamforming multiple-input multiple-output hybrid automatic repeat request retransmission |
GB0721427D0 (en) | 2007-10-31 | 2007-12-12 | Icera Inc | Processing signals in a wireless newtwork |
US8666309B2 (en) * | 2008-01-28 | 2014-03-04 | Nokia Corporation | System for distributed beamforming for a communication system employing relay nodes |
WO2010003183A1 (en) * | 2008-07-07 | 2010-01-14 | Commonwealth Scientific And Industrial Research Organisation | Multiple-input multiple-output ofdm systems |
GB2472013B (en) | 2009-07-20 | 2015-04-29 | Nvidia Technology Uk Ltd | Adaptive transmission |
-
2009
- 2009-07-20 GB GB0912581A patent/GB2472013B/en active Active
-
2010
- 2010-03-26 CN CN201080041741.4A patent/CN102577158B/zh active Active
- 2010-03-26 WO PCT/EP2010/053994 patent/WO2011009647A1/en active Application Filing
- 2010-03-26 US US13/384,793 patent/US8862075B2/en active Active
- 2010-03-26 DE DE112010002986.5T patent/DE112010002986B4/de active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2353437A (en) * | 1999-08-17 | 2001-02-21 | Fujitsu Ltd | Diversity transmission means with phase adjustment depending upon a feedback signal supplied to the transmitter by the receiver |
US20060135079A1 (en) * | 2004-12-21 | 2006-06-22 | Barnett Kenneth C | Transmit power reduction for a wireless device with multiple transmit signal paths |
WO2006127318A1 (en) * | 2005-05-24 | 2006-11-30 | Magnolia Broadband Inc. | Determining a phase adjustment in accordance with power trends |
US20080123768A1 (en) * | 2006-10-26 | 2008-05-29 | Haim Harel | Method, system and apparatus for applying hybrid ARQ to the control of transmit diversity |
US20090080504A1 (en) * | 2007-09-21 | 2009-03-26 | Qinghua Li | Delay compensation for transmit/receive chain calibration and multiuser MIMO |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105284144A (zh) * | 2013-06-07 | 2016-01-27 | 苹果公司 | 对显著位置进行建模 |
CN105284144B (zh) * | 2013-06-07 | 2019-04-23 | 苹果公司 | 对显著位置进行建模 |
US10111042B2 (en) | 2013-06-07 | 2018-10-23 | Apple Inc. | Modeling significant locations |
US10209341B2 (en) | 2013-09-06 | 2019-02-19 | Apple Inc. | Providing transit information |
US11385318B2 (en) | 2013-09-06 | 2022-07-12 | Apple Inc. | Providing transit information |
US11363405B2 (en) | 2014-05-30 | 2022-06-14 | Apple Inc. | Determining a significant user location for providing location-based services |
US11716589B2 (en) | 2014-05-30 | 2023-08-01 | Apple Inc. | Determining a significant user location for providing location-based services |
CN107210803A (zh) * | 2015-02-04 | 2017-09-26 | 华为技术有限公司 | 用于大规模mimo通信的系统和方法 |
CN108139999A (zh) * | 2015-12-22 | 2018-06-08 | 密克罗奇普技术公司 | 用于调谐通用串行总线电力递送信号的方法及设备 |
CN108139999B (zh) * | 2015-12-22 | 2021-07-20 | 密克罗奇普技术公司 | 用于调谐通用串行总线电力递送信号的方法及设备 |
CN106936741A (zh) * | 2017-03-20 | 2017-07-07 | 重庆大学 | 一种基于卡尔曼滤波器的mimo信道估计方法 |
CN110648518A (zh) * | 2019-09-23 | 2020-01-03 | 湖南长城信息金融设备有限责任公司 | 用于无人机和遥控器的数据传输方法及其相应的装置 |
CN115885551A (zh) * | 2020-08-21 | 2023-03-31 | 上海诺基亚贝尔股份有限公司 | 用于控制发射功率的方法、装置和计算机可读介质 |
WO2024012170A1 (zh) * | 2022-07-11 | 2024-01-18 | 深圳市中兴微电子技术有限公司 | Psfch信号检测方法、装置、存储介质及电子装置 |
Also Published As
Publication number | Publication date |
---|---|
DE112010002986T5 (de) | 2012-12-13 |
CN102577158B (zh) | 2016-08-03 |
GB2472013A (en) | 2011-01-26 |
US20120122407A1 (en) | 2012-05-17 |
DE112010002986B4 (de) | 2014-05-28 |
WO2011009647A1 (en) | 2011-01-27 |
GB2472013B (en) | 2015-04-29 |
GB0912581D0 (en) | 2009-08-26 |
US8862075B2 (en) | 2014-10-14 |
DE112010002986T8 (de) | 2013-03-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102577158A (zh) | 自适应发射反馈 | |
US8290098B2 (en) | Closed loop multiple transmit, multiple receive antenna wireless communication system | |
KR101143332B1 (ko) | 채널 변동들을 보상하는 다중 안테나 모바일 통신시스템에서 신호들을 전송하는 방법 및 장치 | |
CN1918817B (zh) | 发射和接收数据流的方法和系统 | |
CN101272169B (zh) | 用于确定mimo传输技术的方法、基站和移动终端 | |
CN100375419C (zh) | 用于空时分集发射天线对的动态功率控制 | |
CN101170386B (zh) | 利用均值和协方差信息的自适应多天线接收传输方法 | |
KR100850990B1 (ko) | Mimo 시스템에서의 신호 송수신 방법 | |
CN101686110B (zh) | 一种多输入多输出系统、及其数据传输的方法及装置 | |
CN1909402B (zh) | 在空间相关mimo系统中使用的自适应传输方法和设备 | |
KR101402242B1 (ko) | 복합 분할 복신 기반의 다중 입출력 무선통신 시스템에서빔포밍 장치 및 방법 | |
JP4369128B2 (ja) | 無線通信システム | |
CN102017452B (zh) | 根据谁具有最大估计信道容量来选择开环或闭环mimo | |
CN104702324A (zh) | 大规模mimo下行链路自适应传输方法 | |
EP1705820B1 (en) | Transmitting/receiving apparatus and transmitting/receiving method | |
CN101252418A (zh) | 多天线传输系统中利用信道统计信息的自适应传输方法 | |
TW201042940A (en) | A method for communicating in a MIMO network | |
KR20050106657A (ko) | Ofdm/tdd 방식의 상향링크용 고유빔을 형성하기위한 스마트 안테나 시스템 및 그 방법 | |
CN105245310A (zh) | 一种下行导频信号的处理方法及系统 | |
CN102710395B (zh) | 基于联合波束赋形的协同传输方法 | |
CN111884692A (zh) | 一种射频反射镜使能的收发端联合空间调制传输方法 | |
Mokh et al. | Space shift keying modulations for low complexity Internet-of-Things devices | |
CN102223170B (zh) | 码分多径信道的序贯多天线选择发送方法 | |
EP2234287B1 (en) | Method, device and system for time division duplex multiple input and multiple output beamforming | |
JP5208453B2 (ja) | 通信装置、及び送信レート設定方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: HUIDA TECHNOLOGY ENGLAND CO., LTD. Free format text: FORMER OWNER: ICERA INC. Effective date: 20130122 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20130122 Address after: London, England Applicant after: ICERA Inc. Address before: Delaware Applicant before: Icera Inc. Effective date of registration: 20130122 Address after: Delaware Applicant after: Icera Inc. Address before: Delaware Applicant before: Icera Inc. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |