RU2395163C2 - Калибровка антенной матрицы для многовходовых многовыходных систем беспроводной связи - Google Patents

Калибровка антенной матрицы для многовходовых многовыходных систем беспроводной связи Download PDF

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Publication number
RU2395163C2
RU2395163C2 RU2008121956/09A RU2008121956A RU2395163C2 RU 2395163 C2 RU2395163 C2 RU 2395163C2 RU 2008121956/09 A RU2008121956/09 A RU 2008121956/09A RU 2008121956 A RU2008121956 A RU 2008121956A RU 2395163 C2 RU2395163 C2 RU 2395163C2
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RU
Russia
Prior art keywords
calibration
channel estimates
antennas
determining
access point
Prior art date
Application number
RU2008121956/09A
Other languages
English (en)
Russian (ru)
Other versions
RU2008121956A (ru
Inventor
Айман Фавзи НАДЖИБ (US)
Айман Фавзи НАДЖИБ
Алексей ГОРОХОВ (US)
Алексей ГОРОХОВ
Original Assignee
Квэлкомм Инкорпорейтед
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
Priority claimed from US11/398,077 external-priority patent/US8498669B2/en
Application filed by Квэлкомм Инкорпорейтед filed Critical Квэлкомм Инкорпорейтед
Publication of RU2008121956A publication Critical patent/RU2008121956A/ru
Application granted granted Critical
Publication of RU2395163C2 publication Critical patent/RU2395163C2/ru

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Classifications

    • 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
    • H01Q3/267—Phased-array testing or checking devices
    • 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
    • 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
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
    • H04L27/368—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive predistortion
    • 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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
RU2008121956/09A 2005-11-02 2006-11-02 Калибровка антенной матрицы для многовходовых многовыходных систем беспроводной связи RU2395163C2 (ru)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US73302105P 2005-11-02 2005-11-02
US60/733,021 2005-11-02
US11/398,077 2006-04-04
US11/398,077 US8498669B2 (en) 2005-06-16 2006-04-04 Antenna array calibration for wireless communication systems
US11/405,944 2006-04-17

Publications (2)

Publication Number Publication Date
RU2008121956A RU2008121956A (ru) 2009-12-10
RU2395163C2 true RU2395163C2 (ru) 2010-07-20

Family

ID=41489044

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2008121956/09A RU2395163C2 (ru) 2005-11-02 2006-11-02 Калибровка антенной матрицы для многовходовых многовыходных систем беспроводной связи

Country Status (3)

Country Link
JP (2) JP4903805B2 (zh)
RU (1) RU2395163C2 (zh)
TW (1) TWI357234B (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2786185C1 (ru) * 2019-06-21 2022-12-19 Геничиро ОТА Способ передачи/приёма и система передачи/приёма
US11683074B2 (en) 2019-06-21 2023-06-20 Genichiro Ohta Transmission/reception method and transmission/reception system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090093222A1 (en) * 2007-10-03 2009-04-09 Qualcomm Incorporated Calibration and beamforming in a wireless communication system
US8428521B2 (en) * 2009-08-04 2013-04-23 Qualcomm Incorporated Control for uplink in MIMO communication system
CN102082745B (zh) * 2010-04-19 2013-10-16 电信科学技术研究院 天线校准信息的上报、天线校准因子的确定方法及设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4557429B2 (ja) * 1998-11-24 2010-10-06 インテル・コーポレーション アレイ・アンテナを有する無線通信局を較正する方法および装置
US8320301B2 (en) * 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
US8134976B2 (en) * 2002-10-25 2012-03-13 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US7151809B2 (en) * 2002-10-25 2006-12-19 Qualcomm, Incorporated Channel estimation and spatial processing for TDD MIMO systems
US7206354B2 (en) * 2004-02-19 2007-04-17 Qualcomm Incorporated Calibration of downlink and uplink channel responses in a wireless MIMO communication system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2786185C1 (ru) * 2019-06-21 2022-12-19 Геничиро ОТА Способ передачи/приёма и система передачи/приёма
US11683074B2 (en) 2019-06-21 2023-06-20 Genichiro Ohta Transmission/reception method and transmission/reception system

Also Published As

Publication number Publication date
JP2009527132A (ja) 2009-07-23
RU2008121956A (ru) 2009-12-10
JP5384599B2 (ja) 2014-01-08
JP2012109964A (ja) 2012-06-07
TWI357234B (en) 2012-01-21
JP4903805B2 (ja) 2012-03-28
TW200733604A (en) 2007-09-01

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20201103