CN101542938A - 用于无线mimo通信系统中的隐式波束形成的校准校正 - Google Patents
用于无线mimo通信系统中的隐式波束形成的校准校正 Download PDFInfo
- Publication number
- CN101542938A CN101542938A CNA2007800345378A CN200780034537A CN101542938A CN 101542938 A CN101542938 A CN 101542938A CN A2007800345378 A CNA2007800345378 A CN A2007800345378A CN 200780034537 A CN200780034537 A CN 200780034537A CN 101542938 A CN101542938 A CN 101542938A
- Authority
- CN
- China
- Prior art keywords
- matrix
- channel
- correction matrix
- description
- forward 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.)
- Granted
Links
Images
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
- 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
- H04B7/0413—MIMO systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03343—Arrangements at the transmitter end
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03375—Passband transmission
- H04L2025/03414—Multicarrier
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
- H04L2025/03802—Signalling on the reverse channel
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (47)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US84558906P | 2006-09-18 | 2006-09-18 | |
US60/845,589 | 2006-09-18 | ||
PCT/US2007/078780 WO2008036670A2 (en) | 2006-09-18 | 2007-09-18 | Calibration correction for implicit beamforming in a wireless mimo communication system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101542938A true CN101542938A (zh) | 2009-09-23 |
CN101542938B CN101542938B (zh) | 2012-12-12 |
Family
ID=39027210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007800345378A Active CN101542938B (zh) | 2006-09-18 | 2007-09-18 | 用于无线mimo通信系统中的隐式波束形成的校准校正 |
Country Status (6)
Country | Link |
---|---|
US (4) | US7729439B2 (zh) |
EP (1) | EP2064818B1 (zh) |
JP (1) | JP5133346B2 (zh) |
CN (1) | CN101542938B (zh) |
TW (1) | TWI443995B (zh) |
WO (1) | WO2008036670A2 (zh) |
Cited By (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103081377A (zh) * | 2010-07-06 | 2013-05-01 | 英特尔公司 | 通过波束形成的通信链路的无线通信的设备、系统和方法 |
CN103797725A (zh) * | 2011-09-14 | 2014-05-14 | 李尔登公司 | 在无线系统中利用同调性区域的系统及方法 |
CN105763239A (zh) * | 2016-02-23 | 2016-07-13 | 深圳市极致汇仪科技有限公司 | 一种用于综测仪的隐式波束赋形测试校准方法及系统 |
US9819403B2 (en) | 2004-04-02 | 2017-11-14 | Rearden, Llc | System and method for managing handoff of a client between different distributed-input-distributed-output (DIDO) networks based on detected velocity of the client |
US9826537B2 (en) | 2004-04-02 | 2017-11-21 | Rearden, Llc | System and method for managing inter-cluster handoff of clients which traverse multiple DIDO clusters |
US9923657B2 (en) | 2013-03-12 | 2018-03-20 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US9973246B2 (en) | 2013-03-12 | 2018-05-15 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US10164698B2 (en) | 2013-03-12 | 2018-12-25 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US10194346B2 (en) | 2012-11-26 | 2019-01-29 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US10200094B2 (en) | 2004-04-02 | 2019-02-05 | Rearden, Llc | Interference management, handoff, power control and link adaptation in distributed-input distributed-output (DIDO) communication systems |
CN109313028A (zh) * | 2016-05-13 | 2019-02-05 | 新生组织网络有限公司 | 用于波束图案稳定的方法和装置 |
US10243623B2 (en) | 2004-07-30 | 2019-03-26 | Rearden, Llc | Systems and methods to enhance spatial diversity in distributed-input distributed-output wireless systems |
US10277290B2 (en) | 2004-04-02 | 2019-04-30 | Rearden, Llc | Systems and methods to exploit areas of coherence in wireless systems |
US10320455B2 (en) | 2004-04-02 | 2019-06-11 | Rearden, Llc | Systems and methods to coordinate transmissions in distributed wireless systems via user clustering |
US10333604B2 (en) | 2004-04-02 | 2019-06-25 | Rearden, Llc | System and method for distributed antenna wireless communications |
US10349417B2 (en) | 2004-04-02 | 2019-07-09 | Rearden, Llc | System and methods to compensate for doppler effects in multi-user (MU) multiple antenna systems (MAS) |
US10425134B2 (en) | 2004-04-02 | 2019-09-24 | Rearden, Llc | System and methods for planned evolution and obsolescence of multiuser spectrum |
US10488535B2 (en) | 2013-03-12 | 2019-11-26 | Rearden, Llc | Apparatus and method for capturing still images and video using diffraction coded imaging techniques |
US10547358B2 (en) | 2013-03-15 | 2020-01-28 | Rearden, Llc | Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications |
US10749582B2 (en) | 2004-04-02 | 2020-08-18 | Rearden, Llc | Systems and methods to coordinate transmissions in distributed wireless systems via user clustering |
US10886979B2 (en) | 2004-04-02 | 2021-01-05 | Rearden, Llc | System and method for link adaptation in DIDO multicarrier systems |
US10985811B2 (en) | 2004-04-02 | 2021-04-20 | Rearden, Llc | System and method for distributed antenna wireless communications |
US11050468B2 (en) | 2014-04-16 | 2021-06-29 | Rearden, Llc | Systems and methods for mitigating interference within actively used spectrum |
US11190947B2 (en) | 2014-04-16 | 2021-11-30 | Rearden, Llc | Systems and methods for concurrent spectrum usage within actively used spectrum |
US11189917B2 (en) | 2014-04-16 | 2021-11-30 | Rearden, Llc | Systems and methods for distributing radioheads |
US11290162B2 (en) | 2014-04-16 | 2022-03-29 | Rearden, Llc | Systems and methods for mitigating interference within actively used spectrum |
US11309943B2 (en) | 2004-04-02 | 2022-04-19 | Rearden, Llc | System and methods for planned evolution and obsolescence of multiuser spectrum |
CN114503462A (zh) * | 2019-07-31 | 2022-05-13 | 诺基亚通信公司 | 用于无源互调产物的处理的方法 |
US11394436B2 (en) | 2004-04-02 | 2022-07-19 | Rearden, Llc | System and method for distributed antenna wireless communications |
US11451275B2 (en) | 2004-04-02 | 2022-09-20 | Rearden, Llc | System and method for distributed antenna wireless communications |
Families Citing this family (69)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10187133B2 (en) | 2004-04-02 | 2019-01-22 | Rearden, Llc | System and method for power control and antenna grouping in a distributed-input-distributed-output (DIDO) network |
US8307922B2 (en) * | 2005-05-24 | 2012-11-13 | Rearden, Llc | System and method for powering an aircraft using radio frequency signals and feedback |
US8469122B2 (en) * | 2005-05-24 | 2013-06-25 | Rearden, Llc | System and method for powering vehicle using radio frequency signals and feedback |
US8340597B1 (en) | 2006-05-02 | 2012-12-25 | Marvell International Ltd. | Calibration correction for implicit beamforming in a wireless MIMO communication system |
US7729439B2 (en) | 2006-09-18 | 2010-06-01 | Marvell World Trade Ltd. | Calibration correction for implicit beamforming in a wireless MIMO communication system |
US8040856B2 (en) * | 2006-12-04 | 2011-10-18 | Samsung Electronics Co., Ltd. | System and method for wireless communication of uncompressed high definition video data using a beamforming acquisition protocol |
US8259836B2 (en) * | 2006-12-04 | 2012-09-04 | Samsung Electronics Co., Ltd. | Method and system for generating candidate beamforming coefficients for transmission of data over a wireless medium |
US8265177B2 (en) * | 2006-12-04 | 2012-09-11 | Samsung Electronics Co., Ltd. | System and method for wireless communication of uncompressed high definition video data using beambook-constructed beamforming signals |
US8379745B1 (en) | 2007-07-06 | 2013-02-19 | Marvell International Ltd. | Forward channel variation detection in a wireless communication system |
US8095097B1 (en) | 2007-08-06 | 2012-01-10 | Marvell International Ltd. | Increasing the robustness of channel estimates derived through sounding for WLAN |
US7893871B1 (en) * | 2007-10-10 | 2011-02-22 | Marvell International Ltd. | Beamforming with partial channel knowledge |
US8300742B1 (en) * | 2007-11-21 | 2012-10-30 | Bromberg Matthew C | Systems and methods for channel based beamforming for stacked carrier multiple access |
EP2063618B1 (en) * | 2007-11-21 | 2014-01-08 | Nokia Solutions and Networks Oy | Method and device for processing data and to a communication system comprising such device |
US8229017B1 (en) | 2007-12-13 | 2012-07-24 | Marvell International Ltd. | Transmit beamforming utilizing channel estimation matrix decomposition feedback in a wireless MIMO communication system |
CN101933251B (zh) | 2008-02-01 | 2014-09-03 | 马维尔国际贸易有限公司 | 用于mimo系统中天线选择的信道探测和估计策略 |
US8274930B2 (en) * | 2008-03-10 | 2012-09-25 | Mitsubishi Electric Research Laboratories, Inc. | Analog beamforming to reduce interference in WiMAX networks |
KR101408938B1 (ko) * | 2008-04-02 | 2014-06-17 | 보드 오브 리전츠, 더 유니버시티 오브 텍사스 시스템 | 다중 입출력 무선통신 시스템에서 일반화된 아이겐 분석을이용한 빔포밍 장치 및 방법 |
US8046022B2 (en) * | 2008-07-08 | 2011-10-25 | Wi-Lan, Inc. | Signal transmission parameter control using channel sounding |
KR101597573B1 (ko) * | 2008-08-11 | 2016-02-25 | 엘지전자 주식회사 | 제어정보의 상향링크 전송 방법 |
KR20100019947A (ko) * | 2008-08-11 | 2010-02-19 | 엘지전자 주식회사 | 무선 통신 시스템에서 정보 전송 방법 |
JP5613894B2 (ja) * | 2008-08-11 | 2014-10-29 | 日本電産サンキョー株式会社 | 非接触icカードリーダ及びデータ読取方法 |
KR101571566B1 (ko) | 2008-08-11 | 2015-11-25 | 엘지전자 주식회사 | 무선 통신 시스템에서 제어신호 전송 방법 |
KR101603338B1 (ko) * | 2008-08-11 | 2016-03-15 | 엘지전자 주식회사 | 무선 통신 시스템에서 정보 전송 방법 및 장치 |
CN103259074B (zh) * | 2008-08-14 | 2015-09-23 | 华为技术有限公司 | 有源天线、刷新幅度和相位的方法及信号处理方法 |
US8743783B2 (en) | 2008-11-14 | 2014-06-03 | Lg Electronics Inc. | Method and apparatus for information transmission in wireless communication system |
US8908793B2 (en) * | 2008-11-14 | 2014-12-09 | Lg Electronics Inc. | Method and apparatus for signal transmission in wireless communication system |
KR20100091876A (ko) | 2009-02-11 | 2010-08-19 | 엘지전자 주식회사 | 다중안테나 전송을 위한 단말 동작 |
US20100260060A1 (en) * | 2009-04-08 | 2010-10-14 | Qualcomm Incorporated | Integrated calibration protocol for wireless lans |
US8842587B2 (en) * | 2009-04-23 | 2014-09-23 | Qualcomm Incorporated | Wireless channel calibration |
EP2264913B1 (en) * | 2009-06-15 | 2016-01-06 | Alcatel Lucent | Base transceiver station and associated method for communication between base transceiver station and user equipments |
US8660497B1 (en) | 2009-08-18 | 2014-02-25 | Marvell International Ltd. | Beamsteering in a spatial division multiple access (SDMA) system |
US8644368B1 (en) * | 2009-09-23 | 2014-02-04 | Marvell International Ltd. | Transparent implicit beamforming in a communication system |
US8971178B1 (en) * | 2010-04-05 | 2015-03-03 | Marvell International Ltd. | Calibration correction for implicit beamformer using an explicit beamforming technique in a wireless MIMO communication system |
US9444577B1 (en) * | 2010-04-05 | 2016-09-13 | Marvell International Ltd. | Calibration correction for implicit beamformer using an explicit beamforming technique in a wireless MIMO communication system |
CN102986144B (zh) * | 2010-05-11 | 2016-03-09 | 法国电信公司 | 用于发送和接收多载波信号的方法、对应发射机和接收机 |
US9209881B2 (en) | 2010-06-16 | 2015-12-08 | Marvell World Trade Ltd. | Alternate feedback types for downlink multiple user MIMO configurations |
KR101829851B1 (ko) | 2010-08-10 | 2018-03-29 | 마벨 월드 트레이드 리미티드 | 다운링크 복수 사용자 mimo 구조 상의 빔포밍용 서브-대역 피드백 |
US8891597B1 (en) * | 2010-08-17 | 2014-11-18 | Marvell International Ltd. | Calibration for implicit transmit beamforming |
US9531498B2 (en) | 2010-09-01 | 2016-12-27 | Marvell World Trade Ltd. | Link adaptation in a communication network |
US20120300864A1 (en) * | 2011-05-26 | 2012-11-29 | Qualcomm Incorporated | Channel estimation based on combined calibration coefficients |
US9154969B1 (en) | 2011-09-29 | 2015-10-06 | Marvell International Ltd. | Wireless device calibration for implicit transmit |
US9350085B2 (en) * | 2011-11-30 | 2016-05-24 | Broadcom Corporation | Phased array feeder (PAF) for point to point links |
US9584179B2 (en) * | 2012-02-23 | 2017-02-28 | Silver Spring Networks, Inc. | System and method for multi-channel frequency hopping spread spectrum communication |
KR101987232B1 (ko) * | 2012-11-02 | 2019-09-30 | 주식회사 팬택 | 다중 안테나 시스템에서 참조 신호의 전송장치 및 방법 |
US9001879B2 (en) | 2012-11-08 | 2015-04-07 | Intel Corporation | Apparatus, system and method of beam selection for beamformed diversity wireless communication |
US9479233B2 (en) | 2012-11-08 | 2016-10-25 | Intel Corporation | Apparatus, system and method of multi-input-multi-output (MIMO) beamformed communication with space block coding |
US20140160957A1 (en) * | 2012-12-11 | 2014-06-12 | Broadcom Corporation | Channel state information calibration |
JP6086586B2 (ja) * | 2013-01-16 | 2017-03-01 | 株式会社日立国際電気 | Mimo送信装置 |
US9143374B2 (en) | 2013-04-24 | 2015-09-22 | Cubic Corporation | Efficient signal processing for receive and transmit DBF arrays |
US9031165B2 (en) * | 2013-04-24 | 2015-05-12 | Cubic Corporation | Efficient signal processing for receive and transmit DBF arrays |
US9661579B1 (en) * | 2013-05-03 | 2017-05-23 | Marvell International Ltd. | Per-tone power control in OFDM |
US9008588B2 (en) | 2013-05-21 | 2015-04-14 | International Business Machines Corporation | System and method for the calibration and verification of wireless networks with control network |
WO2014189651A1 (en) * | 2013-05-24 | 2014-11-27 | The Regents Of The University Of California | Phase synchronization of modulation or demodulation for qam-based multiband tsv-link |
US9843097B1 (en) | 2013-07-08 | 2017-12-12 | Marvell International Ltd. | MIMO implicit beamforming techniques |
US10038996B1 (en) | 2013-07-09 | 2018-07-31 | Marvell International Ltd. | User group selection in multiple user multiple input multiple output (MU-MIMO) configurations |
EP2941830B1 (en) * | 2013-12-19 | 2020-02-12 | Huawei Technologies Co., Ltd. | Beamforming method and apparatus for directional signal transmission |
CN106464458A (zh) * | 2014-03-18 | 2017-02-22 | 华为技术有限公司 | 一种ue间互易性校正的方法、装置及通信系统 |
WO2015168639A1 (en) | 2014-05-02 | 2015-11-05 | Marvell World Trade Ltd. | Multiple user allocation signaling in a wireless communication network |
US10306603B1 (en) | 2015-02-09 | 2019-05-28 | Marvell International Ltd. | Resource request for uplink multi-user transmission |
US9826532B1 (en) | 2015-02-09 | 2017-11-21 | Marvell International Ltd. | Orthogonal frequency division multiple access resource request |
US9722730B1 (en) | 2015-02-12 | 2017-08-01 | Marvell International Ltd. | Multi-stream demodulation schemes with progressive optimization |
CN113411111A (zh) | 2015-06-08 | 2021-09-17 | 马维尔亚洲私人有限公司 | 高效无线局域网中的显式波束赋形 |
WO2017091232A1 (en) * | 2015-11-25 | 2017-06-01 | Hewlett Packard Enterprise Development Lp | Access point selection |
EP3443793A2 (en) | 2016-04-12 | 2019-02-20 | Marvell World Trade Ltd. | Uplink multi-user transmission |
EP3443702A1 (en) | 2016-04-14 | 2019-02-20 | Marvell World Trade, Ltd. | Determining channel availability for orthogonal frequency division multiple access operation |
US11134452B2 (en) * | 2017-10-02 | 2021-09-28 | Lenovo (Singapore) Pte. Ltd. | Uplink power control |
US10459076B2 (en) * | 2017-11-15 | 2019-10-29 | Cognitive Systems Corp. | Motion detection based on beamforming dynamic information |
TWI663849B (zh) | 2017-12-04 | 2019-06-21 | 財團法人工業技術研究院 | 波束成型校準系統及方法 |
US10505599B1 (en) | 2018-12-19 | 2019-12-10 | Marvell International Ltd. | Matrix equalization computation with pipelined architecture |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6952454B1 (en) * | 2000-03-22 | 2005-10-04 | Qualcomm, Incorporated | Multiplexing of real time services and non-real time services for OFDM systems |
US6760388B2 (en) * | 2001-12-07 | 2004-07-06 | Qualcomm Incorporated | Time-domain transmit and receive processing with channel eigen-mode decomposition for MIMO systems |
US6862440B2 (en) * | 2002-05-29 | 2005-03-01 | Intel Corporation | Method and system for multiple channel wireless transmitter and receiver phase and amplitude calibration |
US6940917B2 (en) * | 2002-08-27 | 2005-09-06 | Qualcomm, Incorporated | Beam-steering and beam-forming for wideband MIMO/MISO systems |
US8134976B2 (en) * | 2002-10-25 | 2012-03-13 | Qualcomm Incorporated | Channel calibration for a time division duplexed communication system |
US8908496B2 (en) * | 2003-09-09 | 2014-12-09 | Qualcomm Incorporated | Incremental redundancy transmission in a MIMO communication system |
US7668125B2 (en) * | 2003-09-09 | 2010-02-23 | Qualcomm Incorporated | Incremental redundancy transmission for multiple parallel channels in a MIMO communication system |
US7742546B2 (en) * | 2003-10-08 | 2010-06-22 | Qualcomm Incorporated | Receiver spatial processing for eigenmode transmission in a MIMO system |
US8249518B2 (en) * | 2003-12-29 | 2012-08-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Network controlled feedback for MIMO systems |
US7194042B2 (en) * | 2004-01-13 | 2007-03-20 | Qualcomm Incorporated | Data transmission with spatial spreading in a mimo 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 |
US20050265225A1 (en) * | 2004-05-11 | 2005-12-01 | Orion Microelectronics Corporation | MIMO system and mode table |
US7564914B2 (en) * | 2004-12-14 | 2009-07-21 | Broadcom Corporation | Method and system for frame formats for MIMO channel measurement exchange |
US8706048B2 (en) * | 2006-07-14 | 2014-04-22 | Broadcom Corporation | Method and system for explicit feedback with sounding packet for wireless local area networks (WLAN) |
US20070041457A1 (en) * | 2005-08-22 | 2007-02-22 | Tamer Kadous | Method and apparatus for providing antenna diversity in a wireless communication system |
WO2007103085A2 (en) * | 2006-03-01 | 2007-09-13 | Interdigital Technology Corporation | Method and apparatus for calibration and channel state feedback to support transmit beamforming in a mimo system |
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 |
JP4775288B2 (ja) * | 2006-04-27 | 2011-09-21 | ソニー株式会社 | 無線通信システム、無線通信装置及び無線通信方法 |
US7787554B1 (en) * | 2006-05-02 | 2010-08-31 | Marvell International Ltd. | Beamforming to a subset of receive antennas in a wireless MIMO communication system |
WO2008004609A1 (en) * | 2006-07-07 | 2008-01-10 | Mitsubishi Electric Corporation | Wireless communication system and communication control method |
US7729439B2 (en) | 2006-09-18 | 2010-06-01 | Marvell World Trade Ltd. | Calibration correction for implicit beamforming in a wireless MIMO communication system |
US7961807B2 (en) * | 2007-03-16 | 2011-06-14 | Freescale Semiconductor, Inc. | Reference signaling scheme using compressed feedforward codebooks for multi-user, multiple input, multiple output (MU-MIMO) systems |
WO2008134420A2 (en) * | 2007-04-25 | 2008-11-06 | Marvell World Trade Ltd. | Power amplifier adjustment for transmit beamforming in multi-antenna wireless systems |
-
2007
- 2007-09-18 US US11/857,297 patent/US7729439B2/en active Active
- 2007-09-18 WO PCT/US2007/078780 patent/WO2008036670A2/en active Application Filing
- 2007-09-18 JP JP2009528529A patent/JP5133346B2/ja active Active
- 2007-09-18 EP EP07842701.0A patent/EP2064818B1/en active Active
- 2007-09-18 CN CN2007800345378A patent/CN101542938B/zh active Active
- 2007-09-19 TW TW096134974A patent/TWI443995B/zh active
-
2010
- 2010-05-21 US US12/785,234 patent/US7978781B2/en active Active
-
2011
- 2011-07-07 US US13/178,387 patent/US8391397B2/en active Active
-
2013
- 2013-03-04 US US13/784,393 patent/US8855228B2/en active Active
Cited By (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10333604B2 (en) | 2004-04-02 | 2019-06-25 | Rearden, Llc | System and method for distributed antenna wireless communications |
US10886979B2 (en) | 2004-04-02 | 2021-01-05 | Rearden, Llc | System and method for link adaptation in DIDO multicarrier systems |
US10200094B2 (en) | 2004-04-02 | 2019-02-05 | Rearden, Llc | Interference management, handoff, power control and link adaptation in distributed-input distributed-output (DIDO) communication systems |
US11070258B2 (en) | 2004-04-02 | 2021-07-20 | Rearden, Llc | System and methods for planned evolution and obsolescence of multiuser spectrum |
US11923931B2 (en) | 2004-04-02 | 2024-03-05 | Rearden, Llc | System and method for distributed antenna wireless communications |
US9819403B2 (en) | 2004-04-02 | 2017-11-14 | Rearden, Llc | System and method for managing handoff of a client between different distributed-input-distributed-output (DIDO) networks based on detected velocity of the client |
US9826537B2 (en) | 2004-04-02 | 2017-11-21 | Rearden, Llc | System and method for managing inter-cluster handoff of clients which traverse multiple DIDO clusters |
US11646773B2 (en) | 2004-04-02 | 2023-05-09 | Rearden, Llc | System and method for distributed antenna wireless communications |
US11451275B2 (en) | 2004-04-02 | 2022-09-20 | Rearden, Llc | System and method for distributed antenna wireless communications |
US10749582B2 (en) | 2004-04-02 | 2020-08-18 | Rearden, Llc | Systems and methods to coordinate transmissions in distributed wireless systems via user clustering |
US11394436B2 (en) | 2004-04-02 | 2022-07-19 | Rearden, Llc | System and method for distributed antenna wireless communications |
US11309943B2 (en) | 2004-04-02 | 2022-04-19 | Rearden, Llc | System and methods for planned evolution and obsolescence of multiuser spectrum |
US11190247B2 (en) | 2004-04-02 | 2021-11-30 | Rearden, Llc | System and method for distributed antenna wireless communications |
US11196467B2 (en) | 2004-04-02 | 2021-12-07 | Rearden, Llc | System and method for distributed antenna wireless communications |
US11190246B2 (en) | 2004-04-02 | 2021-11-30 | Rearden, Llc | System and method for distributed antenna wireless communications |
US10425134B2 (en) | 2004-04-02 | 2019-09-24 | Rearden, Llc | System and methods for planned evolution and obsolescence of multiuser spectrum |
US10277290B2 (en) | 2004-04-02 | 2019-04-30 | Rearden, Llc | Systems and methods to exploit areas of coherence in wireless systems |
US10320455B2 (en) | 2004-04-02 | 2019-06-11 | Rearden, Llc | Systems and methods to coordinate transmissions in distributed wireless systems via user clustering |
US10985811B2 (en) | 2004-04-02 | 2021-04-20 | Rearden, Llc | System and method for distributed antenna wireless communications |
US10349417B2 (en) | 2004-04-02 | 2019-07-09 | Rearden, Llc | System and methods to compensate for doppler effects in multi-user (MU) multiple antenna systems (MAS) |
US10243623B2 (en) | 2004-07-30 | 2019-03-26 | Rearden, Llc | Systems and methods to enhance spatial diversity in distributed-input distributed-output wireless systems |
US10727907B2 (en) | 2004-07-30 | 2020-07-28 | Rearden, Llc | Systems and methods to enhance spatial diversity in distributed input distributed output wireless systems |
CN103081377B (zh) * | 2010-07-06 | 2015-08-19 | 英特尔公司 | 通过波束形成的通信链路的无线通信的设备、系统和方法 |
US9118385B2 (en) | 2010-07-06 | 2015-08-25 | Intel Corporation | Device, system and method of wireless communication over a beamformed communication link |
CN103081377A (zh) * | 2010-07-06 | 2013-05-01 | 英特尔公司 | 通过波束形成的通信链路的无线通信的设备、系统和方法 |
CN103797725A (zh) * | 2011-09-14 | 2014-05-14 | 李尔登公司 | 在无线系统中利用同调性区域的系统及方法 |
CN103797725B (zh) * | 2011-09-14 | 2018-07-06 | 李尔登公司 | 在无线系统中利用同调性区域的系统及方法 |
US10194346B2 (en) | 2012-11-26 | 2019-01-29 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US11818604B2 (en) | 2012-11-26 | 2023-11-14 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US9973246B2 (en) | 2013-03-12 | 2018-05-15 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US10848225B2 (en) | 2013-03-12 | 2020-11-24 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US11901992B2 (en) | 2013-03-12 | 2024-02-13 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US10488535B2 (en) | 2013-03-12 | 2019-11-26 | Rearden, Llc | Apparatus and method for capturing still images and video using diffraction coded imaging techniques |
US9923657B2 (en) | 2013-03-12 | 2018-03-20 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US10164698B2 (en) | 2013-03-12 | 2018-12-25 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US11451281B2 (en) | 2013-03-12 | 2022-09-20 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US11146313B2 (en) | 2013-03-15 | 2021-10-12 | Rearden, Llc | Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications |
US10547358B2 (en) | 2013-03-15 | 2020-01-28 | Rearden, Llc | Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications |
US11581924B2 (en) | 2013-03-15 | 2023-02-14 | Rearden, Llc | Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications |
US11189917B2 (en) | 2014-04-16 | 2021-11-30 | Rearden, Llc | Systems and methods for distributing radioheads |
US11290162B2 (en) | 2014-04-16 | 2022-03-29 | Rearden, Llc | Systems and methods for mitigating interference within actively used spectrum |
US11050468B2 (en) | 2014-04-16 | 2021-06-29 | Rearden, Llc | Systems and methods for mitigating interference within actively used spectrum |
US11190947B2 (en) | 2014-04-16 | 2021-11-30 | Rearden, Llc | Systems and methods for concurrent spectrum usage within actively used spectrum |
CN105763239B (zh) * | 2016-02-23 | 2018-09-25 | 深圳市极致汇仪科技有限公司 | 一种用于综测仪的隐式波束赋形测试校准方法及系统 |
CN105763239A (zh) * | 2016-02-23 | 2016-07-13 | 深圳市极致汇仪科技有限公司 | 一种用于综测仪的隐式波束赋形测试校准方法及系统 |
CN109313028B (zh) * | 2016-05-13 | 2023-02-03 | 新生组织网络有限公司 | 用于波束图案稳定的方法和装置 |
CN109313028A (zh) * | 2016-05-13 | 2019-02-05 | 新生组织网络有限公司 | 用于波束图案稳定的方法和装置 |
CN114503462A (zh) * | 2019-07-31 | 2022-05-13 | 诺基亚通信公司 | 用于无源互调产物的处理的方法 |
US11943002B2 (en) | 2019-07-31 | 2024-03-26 | Nokia Solutions And Networks Oy | Method for processing of passive intermodulation products |
Also Published As
Publication number | Publication date |
---|---|
WO2008036670A2 (en) | 2008-03-27 |
EP2064818A2 (en) | 2009-06-03 |
EP2064818B1 (en) | 2017-07-26 |
US20110261895A1 (en) | 2011-10-27 |
US8855228B2 (en) | 2014-10-07 |
US20100232483A1 (en) | 2010-09-16 |
US8391397B2 (en) | 2013-03-05 |
JP2010504056A (ja) | 2010-02-04 |
US20130177051A1 (en) | 2013-07-11 |
CN101542938B (zh) | 2012-12-12 |
US7729439B2 (en) | 2010-06-01 |
TWI443995B (zh) | 2014-07-01 |
US20080089396A1 (en) | 2008-04-17 |
WO2008036670A3 (en) | 2008-05-08 |
US7978781B2 (en) | 2011-07-12 |
JP5133346B2 (ja) | 2013-01-30 |
TW200832974A (en) | 2008-08-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101542938B (zh) | 用于无线mimo通信系统中的隐式波束形成的校准校正 | |
US10141997B2 (en) | Power amplifier adjustment for transmit beamforming in multi-antenna wireless systems | |
US8379745B1 (en) | Forward channel variation detection in a wireless communication system | |
US8223872B1 (en) | Reuse of a matrix equalizer for the purpose of transmit beamforming in a wireless MIMO communication system | |
US8781020B1 (en) | Transmit beamforming utilizing channel estimation matrix decomposition feedback in a wireless MIMO communication system | |
US8095097B1 (en) | Increasing the robustness of channel estimates derived through sounding for WLAN | |
US9509382B1 (en) | Beamforming to a subset of receive antennas in a wireless MIMO communication system | |
US8340597B1 (en) | Calibration correction for implicit beamforming in a wireless MIMO communication system | |
CN101663838B (zh) | 无线mimo通信系统中使用的利用空间扩展矩阵的天线选择和训练 | |
US8130858B1 (en) | Method and apparatus for implementing transmit diversity in OFDM systems | |
US8971178B1 (en) | Calibration correction for implicit beamformer using an explicit beamforming technique in a wireless MIMO communication system | |
US9444577B1 (en) | Calibration correction for implicit beamformer using an explicit beamforming technique in a wireless MIMO communication system | |
US8494084B1 (en) | Reuse of a matrix equalizer for the purpose of transmit beamforming in a wireless MIMO communication system | |
US8077805B1 (en) | MIMO equalizer method and apparatus |
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 | ||
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 Michael Patentee before: MARVELL WORLD TRADE Ltd. |