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BRPI0922111A2 - método para controlar uma cadeia de transmissão, meio legível por computador, controlador, cadeia de transmissão, e, aparelho de comunicação sem fio. - Google Patents

método para controlar uma cadeia de transmissão, meio legível por computador, controlador, cadeia de transmissão, e, aparelho de comunicação sem fio.

Info

Publication number
BRPI0922111A2
BRPI0922111A2 BRPI0922111A BRPI0922111A BRPI0922111A2 BR PI0922111 A2 BRPI0922111 A2 BR PI0922111A2 BR PI0922111 A BRPI0922111 A BR PI0922111A BR PI0922111 A BRPI0922111 A BR PI0922111A BR PI0922111 A2 BRPI0922111 A2 BR PI0922111A2
Authority
BR
Brazil
Prior art keywords
transmission chain
controller
controlling
wireless communication
computer readable
Prior art date
Application number
BRPI0922111A
Other languages
English (en)
Inventor
Dorian Thomas Charles Davies
Paul Murray Row
Original Assignee
Nortel Network Ltd
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 Nortel Network Ltd filed Critical Nortel Network Ltd
Publication of BRPI0922111A2 publication Critical patent/BRPI0922111A2/pt

Links

Classifications

    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/1638—Special circuits to enhance selectivity of receivers not otherwise provided for
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • 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
    • H04L27/362—Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated
    • H04L27/364—Arrangements for overcoming imperfections in the modulator, e.g. quadrature error or unbalanced I and Q levels
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)
BRPI0922111A 2008-12-01 2009-12-01 método para controlar uma cadeia de transmissão, meio legível por computador, controlador, cadeia de transmissão, e, aparelho de comunicação sem fio. BRPI0922111A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/325,831 US8160191B2 (en) 2008-12-01 2008-12-01 Correction of quadrature errors
PCT/EP2009/066175 WO2010063736A1 (en) 2008-12-01 2009-12-01 Correction of quadrature errors

Publications (1)

Publication Number Publication Date
BRPI0922111A2 true BRPI0922111A2 (pt) 2016-01-05

Family

ID=41697650

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0922111A BRPI0922111A2 (pt) 2008-12-01 2009-12-01 método para controlar uma cadeia de transmissão, meio legível por computador, controlador, cadeia de transmissão, e, aparelho de comunicação sem fio.

Country Status (9)

Country Link
US (2) US8160191B2 (pt)
EP (2) EP2573993B1 (pt)
JP (1) JP5701769B2 (pt)
KR (1) KR101399140B1 (pt)
CN (1) CN102273165B (pt)
BR (1) BRPI0922111A2 (pt)
CA (1) CA2745253C (pt)
RU (1) RU2528088C2 (pt)
WO (1) WO2010063736A1 (pt)

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US9893746B2 (en) * 2015-06-25 2018-02-13 Intel Corporation Energy efficient polynomial kernel generation in full-duplex radio communication
US9509489B1 (en) * 2015-08-10 2016-11-29 Altiostar Networks, Inc. Correction of quadrature modulation errors
US9438178B1 (en) 2015-09-02 2016-09-06 Intel IP Corporation Mixer impairment correction based on volterra series
TWI601397B (zh) * 2015-12-31 2017-10-01 瑞昱半導體股份有限公司 具牽引效應補償機制的發射器
US10009050B2 (en) * 2016-05-26 2018-06-26 Mediatek Singapore Pte. Ltd. Quadrature transmitter, wireless communication unit, and method for spur suppression
US10419046B2 (en) 2016-05-26 2019-09-17 Mediatek Singapore Pte. Ltd Quadrature transmitter, wireless communication unit, and method for spur suppression
US11063620B2 (en) * 2016-05-31 2021-07-13 Apple Inc. Digital pre-emphasis quadrature imbalance compensating filter
US10816655B2 (en) * 2016-12-07 2020-10-27 Texas Instruments Incorporated In-phase (I) and quadrature (Q) imbalance estimation in a radar system
EP3410605A1 (en) 2017-06-02 2018-12-05 Intel IP Corporation Communication device and method for radio communication
RU2685284C1 (ru) * 2017-12-25 2019-04-17 Акционерное общество "Ангстрем" (АО "Ангстрем") Устройство цифровой коррекции нелинейности
US10778344B2 (en) 2018-11-14 2020-09-15 Texas Instruments Incorporated Channel tracking method and module
US11374669B2 (en) 2018-11-28 2022-06-28 Texas Instruments Incorporated Phase spectrum based delay estimation method and module
US11095485B2 (en) * 2018-11-30 2021-08-17 Texas Instruments Incorporated Frequency-domain IQ mismatch estimation
US10985951B2 (en) 2019-03-15 2021-04-20 The Research Foundation for the State University Integrating Volterra series model and deep neural networks to equalize nonlinear power amplifiers
TWI713313B (zh) 2019-05-09 2020-12-11 瑞昱半導體股份有限公司 訊號傳輸裝置與校正方法
CN111355501B (zh) * 2020-03-11 2021-12-10 成都振芯科技股份有限公司 一种tdd系统宽带发射器正交误差校正系统及方法
WO2021101587A1 (en) * 2020-04-29 2021-05-27 Futurewei Technologies, Inc. N-phase transmitter/receiver i/q imbalance calibration
US11374803B2 (en) 2020-10-16 2022-06-28 Analog Devices, Inc. Quadrature error correction for radio transceivers
US11271601B1 (en) * 2020-10-19 2022-03-08 Honeywell International Inc. Pre-distortion pattern recognition

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US8548091B2 (en) 2007-12-21 2013-10-01 Apple Inc. Measuring and correcting errors in a transmit chain with an IQ up-converter and IQ down-converter

Also Published As

Publication number Publication date
US20100135449A1 (en) 2010-06-03
KR20110098769A (ko) 2011-09-01
RU2011123470A (ru) 2013-01-10
CN102273165A (zh) 2011-12-07
CN102273165B (zh) 2014-10-08
US8160191B2 (en) 2012-04-17
JP2012510746A (ja) 2012-05-10
EP2371102A1 (en) 2011-10-05
US20130243135A1 (en) 2013-09-19
EP2573993B1 (en) 2015-01-21
EP2371102B1 (en) 2013-01-23
JP5701769B2 (ja) 2015-04-15
KR101399140B1 (ko) 2014-05-27
RU2528088C2 (ru) 2014-09-10
EP2573993A1 (en) 2013-03-27
US9106304B2 (en) 2015-08-11
CA2745253C (en) 2017-02-21
WO2010063736A1 (en) 2010-06-10
CA2745253A1 (en) 2010-06-10

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: ROCKSTAR BIDCO, L.P. (US)

B25A Requested transfer of rights approved

Owner name: APPLE INC. (US)

B25G Requested change of headquarter approved

Owner name: APPLE INC. (US)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: H04L 27/36

Ipc: H04B 1/16 (1968.09), H04L 27/36 (1990.01)

B07A Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette]
B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements