CN102835039B - 通信方法和通信系统 - Google Patents
通信方法和通信系统 Download PDFInfo
- Publication number
- CN102835039B CN102835039B CN201180018118.1A CN201180018118A CN102835039B CN 102835039 B CN102835039 B CN 102835039B CN 201180018118 A CN201180018118 A CN 201180018118A CN 102835039 B CN102835039 B CN 102835039B
- Authority
- CN
- China
- Prior art keywords
- antennas
- transmit
- radio frequency
- signal
- receiver
- 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.)
- Expired - Fee Related
Links
- 238000004891 communication Methods 0.000 title claims description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 55
- 238000005259 measurement Methods 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims description 44
- 238000012512 characterization method Methods 0.000 abstract 1
- 230000003750 conditioning effect Effects 0.000 abstract 1
- 238000012937 correction Methods 0.000 description 61
- 238000012545 processing Methods 0.000 description 56
- 230000008569 process Effects 0.000 description 19
- 230000000875 corresponding effect Effects 0.000 description 18
- 238000010586 diagram Methods 0.000 description 14
- 230000010363 phase shift Effects 0.000 description 12
- 239000013598 vector Substances 0.000 description 12
- 230000006870 function Effects 0.000 description 10
- 239000011159 matrix material Substances 0.000 description 10
- 230000008901 benefit Effects 0.000 description 7
- 238000012546 transfer Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004590 computer program Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005562 fading Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 230000006735 deficit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000010267 cellular communication Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
- H01Q3/2647—Retrodirective arrays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/11—Monitoring; Testing of transmitters for calibration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/11—Monitoring; Testing of transmitters for calibration
- H04B17/12—Monitoring; Testing of transmitters for calibration of transmit antennas, e.g. of the amplitude or phase
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality 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
-
- 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
- H04B7/0682—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 using phase diversity (e.g. phase sweeping)
-
- 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
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Quality & Reliability (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30221410P | 2010-02-08 | 2010-02-08 | |
US61/302,214 | 2010-02-08 | ||
PCT/US2011/024112 WO2011097652A1 (en) | 2010-02-08 | 2011-02-08 | Method and system for uplink beamforming calibration in a multi-antenna wireless communication system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102835039A CN102835039A (zh) | 2012-12-19 |
CN102835039B true CN102835039B (zh) | 2015-12-16 |
Family
ID=44354094
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201180018118.1A Expired - Fee Related CN102835039B (zh) | 2010-02-08 | 2011-02-08 | 通信方法和通信系统 |
CN2011800181092A Pending CN102834731A (zh) | 2010-02-08 | 2011-02-08 | 通过多端口网络波束形成宽带信号的方法和系统 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011800181092A Pending CN102834731A (zh) | 2010-02-08 | 2011-02-08 | 通过多端口网络波束形成宽带信号的方法和系统 |
Country Status (6)
Country | Link |
---|---|
US (2) | US8428529B2 (zh) |
EP (1) | EP2534766A4 (zh) |
KR (2) | KR101355055B1 (zh) |
CN (2) | CN102835039B (zh) |
HK (1) | HK1179773A1 (zh) |
WO (2) | WO2011097652A1 (zh) |
Families Citing this family (72)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8654815B1 (en) | 2004-04-02 | 2014-02-18 | 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 |
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 |
US9312929B2 (en) | 2004-04-02 | 2016-04-12 | Rearden, Llc | System and methods to compensate for Doppler effects in multi-user (MU) multiple antenna systems (MAS) |
US11451275B2 (en) | 2004-04-02 | 2022-09-20 | Rearden, Llc | System and method for distributed antenna wireless communications |
US11394436B2 (en) | 2004-04-02 | 2022-07-19 | Rearden, Llc | System and method for distributed antenna wireless communications |
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 |
US11309943B2 (en) | 2004-04-02 | 2022-04-19 | Rearden, Llc | System and methods for planned evolution and obsolescence of multiuser spectrum |
US10886979B2 (en) | 2004-04-02 | 2021-01-05 | Rearden, Llc | System and method for link adaptation in DIDO multicarrier systems |
US10277290B2 (en) | 2004-04-02 | 2019-04-30 | Rearden, Llc | Systems and methods to exploit areas of coherence in wireless systems |
US10985811B2 (en) | 2004-04-02 | 2021-04-20 | 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 |
US8542763B2 (en) | 2004-04-02 | 2013-09-24 | Rearden, Llc | Systems and methods to coordinate transmissions in distributed wireless systems via user clustering |
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 |
US9685997B2 (en) | 2007-08-20 | 2017-06-20 | Rearden, Llc | Systems and methods to enhance spatial diversity in distributed-input distributed-output wireless systems |
US20110151811A1 (en) * | 2008-10-30 | 2011-06-23 | Isaac Lagnado | Wireless Device With Selectable Antennas |
US8432997B2 (en) | 2010-01-18 | 2013-04-30 | Broadcom Corporation | Method and system of beamforming a broadband signal through a multiport network |
US8761694B2 (en) * | 2010-01-18 | 2014-06-24 | Broadcom Corporation | Multiple antenna transceiver |
US8737529B2 (en) * | 2010-01-18 | 2014-05-27 | Broadcom Corporation | Multiple antenna signal transmission |
WO2011097652A1 (en) | 2010-02-08 | 2011-08-11 | Broadcom Corporation | Method and system for uplink beamforming calibration in a multi-antenna wireless communication system |
US9107684B2 (en) | 2010-03-05 | 2015-08-18 | Covidien Lp | System and method for transferring power to intrabody instruments |
US9190718B2 (en) * | 2010-05-08 | 2015-11-17 | Maxtena | Efficient front end and antenna implementation |
EP2710843B1 (en) * | 2011-05-17 | 2015-03-18 | Telefonaktiebolaget L M Ericsson (Publ) | Method and arrangement for supporting calibration of correlated antennas |
EP2742626B1 (en) * | 2011-08-12 | 2019-04-17 | Telefonaktiebolaget LM Ericsson (publ) | Tae/fae compensation for antenna ports in comp transmissio |
US8615204B2 (en) * | 2011-08-26 | 2013-12-24 | Qualcomm Incorporated | Adaptive interference cancellation for transmitter distortion calibration in multi-antenna transmitters |
US8909283B2 (en) * | 2011-10-11 | 2014-12-09 | Telefonaktiebolaget L M Ericsson (Publ) | Transmit power adjustment to reduce a relative phase discontinuity |
DE102012006314A1 (de) * | 2012-03-28 | 2013-10-02 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | Zeitbereichsmessverfahren mit Kalibrierung im Frequenzbereich |
US8781026B2 (en) * | 2012-11-06 | 2014-07-15 | Mstar Semiconductor, Inc. | Digital quadrature transmitter using generalized coordinates |
US11190947B2 (en) | 2014-04-16 | 2021-11-30 | Rearden, Llc | Systems and methods for concurrent spectrum usage within actively used spectrum |
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 |
US11189917B2 (en) | 2014-04-16 | 2021-11-30 | Rearden, Llc | Systems and methods for distributing radioheads |
US11050468B2 (en) | 2014-04-16 | 2021-06-29 | Rearden, Llc | Systems and methods for mitigating interference within actively used spectrum |
KR102071544B1 (ko) * | 2013-02-18 | 2020-01-30 | 삼성전자주식회사 | 무선 통신 시스템에서 측정 갭 운용 장치 및 방법 |
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 |
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 |
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 |
US8976887B2 (en) * | 2013-03-19 | 2015-03-10 | Broadcom Corporation | Phase noise estimation for MIMO communication |
US9503302B2 (en) * | 2013-08-26 | 2016-11-22 | Mediatek Inc. | Communication circuit and associated method for calibrating communication circuit |
CN105432138B (zh) * | 2013-11-08 | 2020-06-02 | 华为技术有限公司 | 单板、无线通信系统及单板内外的通道校正方法 |
US10194457B2 (en) * | 2013-12-17 | 2019-01-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and device for proactive allocation of uplink resources |
KR20150083274A (ko) * | 2014-01-09 | 2015-07-17 | 한국전자통신연구원 | 안테나들 사이의 거리를 줄이는 los mimo 시스템 |
WO2015106802A1 (en) * | 2014-01-15 | 2015-07-23 | Nokia Solutions And Networks Oy | Antenna calibration in communications |
US9474075B2 (en) | 2014-03-28 | 2016-10-18 | Qualcomm Incorporated | Operation mode adaptation based on hardware and channel condition constraints |
US11290162B2 (en) | 2014-04-16 | 2022-03-29 | Rearden, Llc | Systems and methods for mitigating interference within actively used spectrum |
US9641317B2 (en) | 2014-08-01 | 2017-05-02 | Texas Instruments Incorporated | Phase rotator for compensating transceiver impairments |
JP6234360B2 (ja) * | 2014-12-24 | 2017-11-22 | 三菱電機株式会社 | アレイアンテナ装置及び校正方法 |
CN105978674B (zh) * | 2016-05-12 | 2019-04-12 | 南京邮电大学 | 基于压缩感知的fdd下大规模mimo信道估计的导频优化方法 |
KR102429734B1 (ko) * | 2016-08-18 | 2022-08-05 | 삼성전자 주식회사 | 이동 통신 시스템에서 위상을 스위칭해 신호를 전송하는 방법 및 장치 |
US10727923B2 (en) * | 2016-10-24 | 2020-07-28 | RF Pixels, Inc. | Multi-antenna beam forming and spatial multiplexing transceiver |
CN108173576B (zh) * | 2016-12-06 | 2020-10-27 | 上海科技大学 | Mimo系统的校准方法 |
NO343895B1 (en) | 2017-01-17 | 2019-07-01 | Norbit Its | Retrodirective Wireless Device and Method |
JP2018125815A (ja) * | 2017-02-03 | 2018-08-09 | 株式会社東芝 | 無線送電装置および無線給電システム |
KR101821924B1 (ko) * | 2017-04-27 | 2018-01-25 | 한구현 | 콘트리트용 순환골재 생산을 위한 몰탈박리기 |
KR102360496B1 (ko) * | 2017-06-07 | 2022-02-10 | 삼성전자주식회사 | 신호 위상을 보상하는 전자 장치 및 그 방법 |
US20190081835A1 (en) * | 2017-09-12 | 2019-03-14 | Mediatek Inc. | Utilization Of SRS For RPD Calibration In Wireless Communications |
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 |
US11088720B2 (en) | 2017-12-20 | 2021-08-10 | Murata Manufacturing Co., Ltd. | High-frequency module |
CN108390691B (zh) * | 2018-02-12 | 2019-10-18 | 维沃移动通信有限公司 | 一种上行载波聚合装置及移动终端 |
WO2019241589A1 (en) * | 2018-06-13 | 2019-12-19 | Cohere Technologies, Inc. | Reciprocal calibration for channel estimation based on second-order statistics |
US10754007B2 (en) * | 2018-06-20 | 2020-08-25 | GM Global Technology Operations LLC | Method and apparatus for compensating radar channel length variation |
US10601471B1 (en) | 2018-08-29 | 2020-03-24 | Micron Technology, Inc. | Neuron calculator for artificial neural networks |
WO2020244783A1 (en) * | 2019-06-07 | 2020-12-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Calibration for antenna elements of a multi-antenna structure |
CN110389320B (zh) * | 2019-06-10 | 2021-04-06 | 浙江大学 | 一种基于数字模拟传输线的阵元瓦片间的自适应系统 |
DE102019005686A1 (de) * | 2019-08-13 | 2021-02-18 | Diehl Metering Systems Gmbh | Verfahren zum Übertragen von Daten zwischen einem Knoten und einer Basisstation in einem Kommunikationssystem sowie Basisstation sowie Knoten |
CN112583455B (zh) * | 2019-09-29 | 2022-05-06 | 上海华为技术有限公司 | 一种信号处理方法以及基站 |
US10707974B1 (en) | 2019-10-14 | 2020-07-07 | Industrial Technology Research Institute | Transceiver using hybrid beamforming and performing an antenna calibration method |
CN112737707B (zh) * | 2019-10-14 | 2022-06-07 | 财团法人工业技术研究院 | 使用混合波束成形并执行天线校准方法的收发器 |
CN111082873B (zh) * | 2019-12-17 | 2022-02-11 | 北京邮电大学 | 一种超长距离光纤高精度射频信号传递系统和方法 |
US11380993B2 (en) * | 2019-12-19 | 2022-07-05 | Globalfoundries U.S. Inc. | Transceiver front-end with receiver branch matching network including integrated electrostatic discharge protection |
CN111931459B (zh) * | 2020-10-09 | 2021-05-11 | 三维通信股份有限公司 | 一种功放模块制作方法、装置、存储介质及电子设备 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5412414A (en) * | 1988-04-08 | 1995-05-02 | Martin Marietta Corporation | Self monitoring/calibrating phased array radar and an interchangeable, adjustable transmit/receive sub-assembly |
EP1198151A2 (en) * | 2000-10-13 | 2002-04-17 | Nokia Corporation | Method and arrangement for implementing fast signalling in an symmetric communication connection |
WO2009078529A1 (en) * | 2007-12-18 | 2009-06-25 | Electronics And Telecommunications Research Institute | Beamforming method using multiple antennas |
CN101610233A (zh) * | 2008-06-18 | 2009-12-23 | 富士通株式会社 | 发送器、接收器、发送方法和接收方法 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4612548A (en) * | 1984-06-01 | 1986-09-16 | Raytheon Company | Multi-port radio frequency networks for an antenna array |
SE9200607D0 (sv) * | 1992-02-28 | 1992-02-28 | Ericsson Telefon Ab L M | Communication methods and mean in a tdma cellular mobile radio system |
US5530449A (en) | 1994-11-18 | 1996-06-25 | Hughes Electronics | Phased array antenna management system and calibration method |
US7286855B2 (en) | 1995-02-22 | 2007-10-23 | The Board Of Trustees Of The Leland Stanford Jr. University | Method and apparatus for adaptive transmission beam forming in a wireless communication system |
US7035661B1 (en) | 1996-10-11 | 2006-04-25 | Arraycomm, Llc. | Power control with signal quality estimation for smart antenna communication systems |
JPH10336087A (ja) * | 1997-05-30 | 1998-12-18 | Kyocera Corp | 最大比合成送信ダイバーシティ装置 |
US6320540B1 (en) | 1999-12-07 | 2001-11-20 | Metawave Communications Corporation | Establishing remote beam forming reference line |
US6816116B2 (en) | 2002-03-22 | 2004-11-09 | Quanta Computer, Inc. | Smart antenna for portable devices |
US6784852B2 (en) | 2002-07-29 | 2004-08-31 | Anaren Microwave, Inc. | Multiport serial feed device |
US7248656B2 (en) | 2002-12-02 | 2007-07-24 | Nortel Networks Limited | Digital convertible radio SNR optimization |
US7308705B2 (en) | 2003-08-29 | 2007-12-11 | Finisar Corporation | Multi-port network tap |
US7154442B2 (en) * | 2004-06-28 | 2006-12-26 | Nokia Corporation | Built-in whip antenna for a portable radio device |
US7245257B1 (en) | 2004-08-13 | 2007-07-17 | Lockheed Martin Corporation | Optimization of radar antenna switching hybrid in response to operating frequency |
US7324794B2 (en) * | 2004-09-29 | 2008-01-29 | Tzero Technologies, Inc. | Phase combining diversity |
US7616704B2 (en) | 2005-03-08 | 2009-11-10 | Intel Corporation | Broadband multicarrier transmitter with subchannel frequency diversity for transmitting a plurality of spatial streams |
JP4528208B2 (ja) | 2005-06-10 | 2010-08-18 | 富士通株式会社 | アレイアンテナの校正装置及び校正方法 |
US7809337B2 (en) * | 2006-03-02 | 2010-10-05 | Motorola, Inc. | System and method for adjusting transmission phasing in a point-to-point communication link |
US7764935B2 (en) * | 2006-12-21 | 2010-07-27 | Nokia Corporation | Phase and power calibration in active antennas |
EP2151048B1 (en) | 2007-05-04 | 2014-11-19 | Astrium Limited | Tuning multiport amplifiers |
US7834807B2 (en) * | 2007-05-21 | 2010-11-16 | Spatial Digital Systems, Inc. | Retro-directive ground-terminal antenna for communication with geostationary satellites in slightly inclined orbits |
EP2154802A4 (en) * | 2007-05-29 | 2014-03-26 | Mitsubishi Electric Corp | CALIBRATION PROCEDURE, COMMUNICATION SYSTEM, FREQUENCY CONTROL METHOD AND COMMUNICATION DEVICE |
US20090005120A1 (en) * | 2007-06-28 | 2009-01-01 | Elektrobit Wireless Communications Oy | Transmission method for common channels |
KR20100034838A (ko) * | 2008-09-25 | 2010-04-02 | 삼성전자주식회사 | 다중안테나 통신시스템에서 중계기를 지원하기 위한 보정 장치 및 방법 |
US8055216B2 (en) | 2009-03-27 | 2011-11-08 | Sony Ericsson Mobile Communications Ab | Antenna matching for MIMO transceivers |
US8737529B2 (en) | 2010-01-18 | 2014-05-27 | Broadcom Corporation | Multiple antenna signal transmission |
US8432997B2 (en) | 2010-01-18 | 2013-04-30 | Broadcom Corporation | Method and system of beamforming a broadband signal through a multiport network |
WO2011097652A1 (en) | 2010-02-08 | 2011-08-11 | Broadcom Corporation | Method and system for uplink beamforming calibration in a multi-antenna wireless communication system |
-
2011
- 2011-02-08 WO PCT/US2011/024112 patent/WO2011097652A1/en active Application Filing
- 2011-02-08 CN CN201180018118.1A patent/CN102835039B/zh not_active Expired - Fee Related
- 2011-02-08 KR KR1020127023508A patent/KR101355055B1/ko not_active IP Right Cessation
- 2011-02-08 KR KR1020127023507A patent/KR101419925B1/ko active IP Right Grant
- 2011-02-08 US US13/023,539 patent/US8428529B2/en active Active
- 2011-02-08 CN CN2011800181092A patent/CN102834731A/zh active Pending
- 2011-02-08 WO PCT/US2011/024111 patent/WO2011097651A1/en active Application Filing
- 2011-02-08 EP EP11740549.8A patent/EP2534766A4/en not_active Withdrawn
-
2013
- 2013-04-22 US US13/867,299 patent/US20130230005A1/en not_active Abandoned
- 2013-06-05 HK HK13106668.3A patent/HK1179773A1/zh not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5412414A (en) * | 1988-04-08 | 1995-05-02 | Martin Marietta Corporation | Self monitoring/calibrating phased array radar and an interchangeable, adjustable transmit/receive sub-assembly |
EP1198151A2 (en) * | 2000-10-13 | 2002-04-17 | Nokia Corporation | Method and arrangement for implementing fast signalling in an symmetric communication connection |
US7280515B2 (en) * | 2000-10-13 | 2007-10-09 | Nokia Corporation | Method and arrangement for implementing fast signalling in an asymmetric communication connection |
WO2009078529A1 (en) * | 2007-12-18 | 2009-06-25 | Electronics And Telecommunications Research Institute | Beamforming method using multiple antennas |
CN101610233A (zh) * | 2008-06-18 | 2009-12-23 | 富士通株式会社 | 发送器、接收器、发送方法和接收方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20120128668A (ko) | 2012-11-27 |
EP2534766A4 (en) | 2013-08-21 |
US20110195670A1 (en) | 2011-08-11 |
CN102834731A (zh) | 2012-12-19 |
US20130230005A1 (en) | 2013-09-05 |
KR20120125522A (ko) | 2012-11-15 |
CN102835039A (zh) | 2012-12-19 |
WO2011097652A1 (en) | 2011-08-11 |
KR101355055B1 (ko) | 2014-01-24 |
KR101419925B1 (ko) | 2014-07-14 |
WO2011097651A1 (en) | 2011-08-11 |
HK1179773A1 (zh) | 2013-10-04 |
EP2534766A1 (en) | 2012-12-19 |
US8428529B2 (en) | 2013-04-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102835039B (zh) | 通信方法和通信系统 | |
CN102480315B (zh) | 多天线收发器和其操作方法 | |
US9277501B2 (en) | Envelope tracker driven transmit beamforming | |
JP4616011B2 (ja) | Mimo無線装置で位相オフセットおよび振幅オフセットを補正する技法 | |
EP2566283B1 (en) | Method and device for reporting antenna calibration information and determining antenna calibration factor | |
US7643567B2 (en) | OFDM signal transmitting method and transmitter and receiver thereof | |
US7392015B1 (en) | Calibration methods and structures in wireless communications systems | |
US8811530B2 (en) | Method and system of beamforming a broadband signal through a multiport network | |
US9118111B2 (en) | Antenna array calibration for wireless communication systems | |
TW202103459A (zh) | 多輸入多輸出寬頻接收器以及發射器及其配置方法 | |
US8280430B2 (en) | Antenna array calibration for multi-input multi-output wireless communication systems | |
US20110150119A1 (en) | Method and system for channel estimation in an ofdm based mimo system | |
CA2606163A1 (en) | Antenna array calibration for wireless communication systems | |
JP2007306532A (ja) | 非相反性干渉を補償するtdd用送受信機 | |
US10461961B2 (en) | Method for calibrating the channel state information of uplink and downlink in wireless multi-antenna systems | |
Haile | Investigation of channel reciprocity for OFDM TDD systems | |
CA2628374C (en) | Antenna array calibration for multi-input multi-output wireless communication systems | |
Eickhoff et al. | Physical layer amendments for MIMO features in 802.11 a | |
KR101419924B1 (ko) | 멀티포트 네트워크를 통해 광대역 신호를 빔성형하는 방법 및 시스템 | |
EP2534501A1 (en) | Method and system of beamforming a broadband signal through a multiport network |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1179773 Country of ref document: HK |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1179773 Country of ref document: HK |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170315 Address after: Singapore Singapore Patentee after: Avago Technologies Fiber IP Singapore Pte. Ltd. Address before: American California Patentee before: Zyray Wireless Inc. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20181024 Address after: Singapore Singapore Patentee after: Annwa high tech Limited by Share Ltd Address before: Singapore Singapore Patentee before: Avago Technologies Fiber IP Singapore Pte. Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20190208 |
|
CF01 | Termination of patent right due to non-payment of annual fee |