TW200644473A - Method and apparatus for antenna mapping selection in MIMO-OFDM wireless networks - Google Patents

Method and apparatus for antenna mapping selection in MIMO-OFDM wireless networks

Info

Publication number
TW200644473A
TW200644473A TW095112531A TW95112531A TW200644473A TW 200644473 A TW200644473 A TW 200644473A TW 095112531 A TW095112531 A TW 095112531A TW 95112531 A TW95112531 A TW 95112531A TW 200644473 A TW200644473 A TW 200644473A
Authority
TW
Taiwan
Prior art keywords
antenna
antenna mapping
mapping
mimo
mappings
Prior art date
Application number
TW095112531A
Other languages
English (en)
Other versions
TWI443988B (zh
Inventor
In-Hyok Cha
Eldad Zeira
Keith Richard Baldwin
Original Assignee
Interdigital Tech Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of TW200644473A publication Critical patent/TW200644473A/zh
Application granted granted Critical
Publication of TWI443988B publication Critical patent/TWI443988B/zh

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G9/00—Working screws, bolt heads, or nuts in conjunction with thread cutting, e.g. slotting screw heads or shanks, removing burrs from screw heads or shanks; Finishing, e.g. polishing, any screw-thread
    • B23G9/009—Thread cleaning or repairing
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G5/00—Thread-cutting tools; Die-heads
    • B23G5/02—Thread-cutting tools; Die-heads without means for adjustment
    • B23G5/04—Dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G7/00—Forming thread by means of tools similar both in form and in manner of use to thread-cutting tools, but without removing any material
    • B23G7/02—Tools for this purpose
    • 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
    • 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
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/088—Hybrid systems, i.e. switching and combining using beam selection

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
TW095112531A 2005-04-07 2006-04-07 Ｍｉｍｏ-ｏｆｄｍ無線網路中天線映射選擇方法及裝置 TWI443988B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66904805P 2005-04-07 2005-04-07

Publications (2)

Publication Number Publication Date
TW200644473A true TW200644473A (en) 2006-12-16
TWI443988B TWI443988B (zh) 2014-07-01

Family

ID=37055813

Family Applications (5)

Application Number Title Priority Date Filing Date
TW095205922U TWM297539U (en) 2005-04-07 2006-04-07 Multiple-in/multiple-out (MIMO) wireless transmit/receive unit (WTRU) for optimizing antenna mappings
TW101141222A TWI496428B (zh) 2005-04-07 2006-04-07 Ｍｉｍｏ-ｏｆｄｍ無線網路中天線映射選擇方法及裝置
TW095112531A TWI443988B (zh) 2005-04-07 2006-04-07 Ｍｉｍｏ-ｏｆｄｍ無線網路中天線映射選擇方法及裝置
TW098113252A TWI420844B (zh) 2005-04-07 2006-04-07 Ｍｉｍｏ-ｏｆｄｍ無線網路中天線映射選擇方法及裝置
TW102116435A TWI506977B (zh) 2005-04-07 2006-04-07 Ｍｉｍｏ-ｏｆｄｍ無線網路中天線映射選擇方法及裝置

Family Applications Before (2)

Application Number Title Priority Date Filing Date
TW095205922U TWM297539U (en) 2005-04-07 2006-04-07 Multiple-in/multiple-out (MIMO) wireless transmit/receive unit (WTRU) for optimizing antenna mappings
TW101141222A TWI496428B (zh) 2005-04-07 2006-04-07 Ｍｉｍｏ-ｏｆｄｍ無線網路中天線映射選擇方法及裝置

Family Applications After (2)

Application Number Title Priority Date Filing Date
TW098113252A TWI420844B (zh) 2005-04-07 2006-04-07 Ｍｉｍｏ-ｏｆｄｍ無線網路中天線映射選擇方法及裝置
TW102116435A TWI506977B (zh) 2005-04-07 2006-04-07 Ｍｉｍｏ-ｏｆｄｍ無線網路中天線映射選擇方法及裝置

Country Status (6)

Country Link
KR (6) KR101357948B1 (zh)
CN (2) CN200973090Y (zh)
AR (1) AR053842A1 (zh)
DE (1) DE202006005733U1 (zh)
MY (1) MY139671A (zh)
TW (5) TWM297539U (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101944941B (zh) * 2009-07-03 2014-07-02 联想（上海）有限公司 一种控制可重构多天线系统的方法及移动终端
CN101626355B (zh) * 2009-08-11 2012-11-14 北京天碁科技有限公司 一种多输入多输出终端的校准装置及校准方法
TWI520629B (zh) * 2011-02-18 2016-02-01 Univ Kyushu Nat Univ Corp A transmission cycle determining method, a transmission cycle determining means, and a computer-readable recording medium
EP3029867B1 (en) * 2011-06-24 2017-11-01 Sun Patent Trust Transmission device, transmission method, receiving device and receiving method
CN104283590B (zh) * 2012-01-09 2017-11-17 光宝电子(广州)有限公司 天线阵列控制方法与使用该方法的通信装置
CN103874112B (zh) * 2014-02-20 2017-08-11 清华大学 一种通信控制方法及移动终端
TWI572242B (zh) * 2015-03-20 2017-02-21 啟碁科技股份有限公司 無線網路基地台及相關的天線選擇方法
KR102138112B1 (ko) * 2016-03-31 2020-07-27 후아웨이 테크놀러지 컴퍼니 리미티드 단말 장치용 신호 송신 방법 및 단말 장치
TWI658707B (zh) 2017-12-14 2019-05-01 財團法人工業技術研究院 通訊系統及其運作方法
CN111130610A (zh) * 2018-11-01 2020-05-08 北京三星通信技术研究有限公司 信号传输方法、装置、电子设备及计算机可读存储介质

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6917820B2 (en) * 2001-01-26 2005-07-12 Stanford University Method and apparatus for selection and use of optimal antennas in wireless systems
GB0125178D0 (en) * 2001-10-19 2001-12-12 Koninkl Philips Electronics Nv Method of operating a wireless communication system
US7020110B2 (en) * 2002-01-08 2006-03-28 Qualcomm Incorporated Resource allocation for MIMO-OFDM communication systems
GB2392065B (en) * 2002-08-15 2004-12-29 Toshiba Res Europ Ltd Signal decoding methods and apparatus
US7151809B2 (en) * 2002-10-25 2006-12-19 Qualcomm, Incorporated Channel estimation and spatial processing for TDD MIMO systems
US8134976B2 (en) * 2002-10-25 2012-03-13 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US7392015B1 (en) 2003-02-14 2008-06-24 Calamp Corp. Calibration methods and structures in wireless communications systems

Also Published As

Publication number Publication date
KR20120088619A (ko) 2012-08-08
KR20130133706A (ko) 2013-12-09
TWM297539U (en) 2006-09-11
TWI420844B (zh) 2013-12-21
KR101381458B1 (ko) 2014-04-04
KR101357948B1 (ko) 2014-02-03
KR101423382B1 (ko) 2014-07-24
TW201407988A (zh) 2014-02-16
CN101156460B (zh) 2011-05-04
TW201015895A (en) 2010-04-16
DE202006005733U1 (de) 2006-09-14
CN101156460A (zh) 2008-04-02
TWI443988B (zh) 2014-07-01
KR20130038310A (ko) 2013-04-17
KR20060107416A (ko) 2006-10-13
TWI506977B (zh) 2015-11-01
MY139671A (en) 2009-10-30
TWI496428B (zh) 2015-08-11
CN200973090Y (zh) 2007-11-07
TW201338450A (zh) 2013-09-16
KR20120100849A (ko) 2012-09-12
KR20140063557A (ko) 2014-05-27
AR053842A1 (es) 2007-05-23

Similar Documents

Publication Publication Date Title
SG161241A1 (en) Method and apparatus for antenna mapping selection in mimo-ofdm wireless networks
TW200644473A (en) Method and apparatus for antenna mapping selection in MIMO-OFDM wireless networks
WO2016161936A1 (zh) 一种信道状态信息反馈的方法、装置、终端及基站
JP5133346B2 (ja) 無線ｍｉｍｏ通信システムにおける暗黙のビームフォーミングのキャリブレーション補正法
KR101523687B1 (ko) 채널 상태를 리포팅하는 방법 및 장치
EP2727257B1 (en) Beamforming with phase compensation
WO2011096646A3 (en) Method and apparatus for transmitting downlink reference signal in wireless communication system supporting multiple antennas
CN110138469B (zh) 一种移动终端及其信道状态信息测量参考信号的测量方法
MX2010001793A (es) Aparato y metodo para determinar una matriz de precodificacion en un sistema de multiple entrada-multiple salida (mimo).
WO2009023681A3 (en) Mimo transmission with spatial pre-coding
WO2008126655A3 (en) Method and system for generating antenna selection signals in wireless communication network
WO2010002775A3 (en) Mac multiplexing for uplink mimo
JP2008530909A5 (zh)
MX2012008309A (es) Metodo y aparato para transmitir señal de referencia de enlace descendente en sistma de comunicacion inalambrica que soporta multiples antenas.
WO2008021008A3 (en) Method, apparatus and system for implementing multi-user virtual multiple-input multiple-output
JP2008536406A5 (zh)
WO2013023542A1 (zh) 信道状态信息的反馈方法和设备
CA2600467A1 (en) Systems and methods for beamforming in multi-input multi-output communication systems
WO2009140637A3 (en) Spatial interference mitigation schemes for wireless communication
RU2015101427A (ru) Однопотоковое отслеживание фазы в ходе оценивания канала в системе беспроводной связи mimo с очень высокой пропускной способностью
WO2008115585A3 (en) Method and apparatus for communicating precoding or beamforming information to users in mimo wireless communication systems
JP2009004921A5 (zh)
WO2011053069A3 (ko) 다중 사용자 무선 통신 시스템에서 데이터의 전송 방법
WO2009023456A3 (en) Method for blindly detecting a precoding matrix index
CN103959891A (zh) 用于csi计算和报告的设备和方法

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees