ES2847778R1 - Acoplamiento por aire para calibración de predistorsión digital - Google Patents

Acoplamiento por aire para calibración de predistorsión digital

Info

Publication number
ES2847778R1
ES2847778R1 ES202031268A ES202031268A ES2847778R1 ES 2847778 R1 ES2847778 R1 ES 2847778R1 ES 202031268 A ES202031268 A ES 202031268A ES 202031268 A ES202031268 A ES 202031268A ES 2847778 R1 ES2847778 R1 ES 2847778R1
Authority
ES
Spain
Prior art keywords
digital predistortion
air coupling
predistortion calibration
calibration
coupling
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.)
Pending
Application number
ES202031268A
Other languages
English (en)
Other versions
ES2847778A2 (es
Inventor
Abhishek Kumar Agrawal
Hossein Dehghan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Semiconductor Components Industries LLC
Original Assignee
Semiconductor Components Industries LLC
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 Semiconductor Components Industries LLC filed Critical Semiconductor Components Industries LLC
Publication of ES2847778A2 publication Critical patent/ES2847778A2/es
Publication of ES2847778R1 publication Critical patent/ES2847778R1/es
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • 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
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • 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
    • 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
    • H04B17/13—Monitoring; Testing of transmitters for calibration of power amplifiers, e.g. gain or non-linearity
    • 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
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/0425—Circuits with power amplifiers with linearisation using predistortion

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
ES202031268A 2020-01-30 2020-12-18 Acoplamiento por aire para calibración de predistorsión digital Pending ES2847778R1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16/776,802 US11165471B2 (en) 2020-01-30 2020-01-30 Over the air coupling for digital pre-distortion calibration

Publications (2)

Publication Number Publication Date
ES2847778A2 ES2847778A2 (es) 2021-08-03
ES2847778R1 true ES2847778R1 (es) 2022-04-11

Family

ID=76853611

Family Applications (1)

Application Number Title Priority Date Filing Date
ES202031268A Pending ES2847778R1 (es) 2020-01-30 2020-12-18 Acoplamiento por aire para calibración de predistorsión digital

Country Status (4)

Country Link
US (1) US11165471B2 (es)
CN (1) CN113206690A (es)
DE (1) DE102021100474A1 (es)
ES (1) ES2847778R1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11502738B2 (en) * 2021-01-15 2022-11-15 International Business Machines Corporation Transmitter with multiple signal paths

Citations (2)

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WO2010054499A1 (en) * 2008-11-11 2010-05-20 Telefonaktiebolaget L M Ericsson (Publ) A dpd system with multiple transmitter paths
WO2018232101A1 (en) * 2017-06-14 2018-12-20 Interdigital Patent Holdings, Inc. Methods and system for mimo transmissions in millimeter wave wlans

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JP4406378B2 (ja) * 2005-02-23 2010-01-27 株式会社ルネサステクノロジ 送信機及びそれを用いた移動体通信端末
US7983327B2 (en) * 2006-08-28 2011-07-19 Samsung Electronics Co., Ltd. Method and system for providing digital adaptive predistortion in a subscriber station
US7890064B1 (en) * 2006-12-30 2011-02-15 Broadcom Corporation Multi-path transceiver layout within a device
CN101399637B (zh) * 2007-09-27 2012-01-25 联想（上海）有限公司 一种对射频链路中的信号进行矫正的方法及预矫正器
US8085869B2 (en) * 2008-02-14 2011-12-27 Broadcom Corporation Configurable load impedance for power amplifier predistortion calibration
US8045926B2 (en) * 2008-10-15 2011-10-25 Nokia Siemens Networks Oy Multi-transceiver architecture for advanced Tx antenna monitoring and calibration in MIMO and smart antenna communication systems
US8462881B2 (en) 2008-12-31 2013-06-11 Ubidyne, Inc. Method for digitally predistorting a payload signal and radio station incorporating the method
US8351543B2 (en) * 2009-12-21 2013-01-08 Ubidyne, Inc. Active antenna array with modulator-based pre-distortion
US8331484B2 (en) * 2010-01-13 2012-12-11 Cisco Technology, Inc. Digital Predistortion training system
US8428525B2 (en) 2011-06-08 2013-04-23 Telefonaktiebolaget L M Ericsson (Publ) Predistorter for a multi-antenna transmitter
US20120328050A1 (en) * 2011-06-21 2012-12-27 Telefonaktiebolaget L M Ericsson (Publ) Centralized adaptor architecture for power amplifier linearizations in advanced wireless communication systems
GB2488380B (en) * 2011-06-24 2018-04-04 Snaptrack Inc Envelope tracking system for mimo
US8615204B2 (en) * 2011-08-26 2013-12-24 Qualcomm Incorporated Adaptive interference cancellation for transmitter distortion calibration in multi-antenna transmitters
WO2015106802A1 (en) 2014-01-15 2015-07-23 Nokia Solutions And Networks Oy Antenna calibration in communications
US9479222B2 (en) * 2014-07-23 2016-10-25 Qualcomm Incorporated Dynamic mode selection for MIMO powerline devices
US9537519B2 (en) 2014-09-08 2017-01-03 Apple Inc. Systems and methods for performing power amplifier bias calibration
US9848425B2 (en) * 2014-10-28 2017-12-19 Intel Corporation Communication device and method for controlling transceiver chains of a communication device
WO2016073925A1 (en) * 2014-11-06 2016-05-12 GM Global Technology Operations LLC Software programmable cellular radio architecture for wide bandwidth radio systems including telematics and infotainment systems
US9813085B1 (en) * 2016-09-23 2017-11-07 Qualcomm Incorporated Closed loop digital pre-distortion
US20180092048A1 (en) 2016-09-23 2018-03-29 Qualcomm Incorporated Transmit power gain calibration and compensation
JP6860274B2 (ja) * 2016-11-29 2021-04-14 ホアウェイ・テクノロジーズ・カンパニー・リミテッド デジタルプリディストーション処理方法、装置、無線送受信装置および基地局
US10931318B2 (en) 2017-06-09 2021-02-23 Nanosemi, Inc. Subsampled linearization system
US20190068429A1 (en) * 2017-08-28 2019-02-28 Qualcomm Incorporated Method and apparatus with common digital pre-distortion component for multiple transmit chains
US10469109B2 (en) * 2017-09-19 2019-11-05 Qualcomm Incorporated Predistortion for transmitter with array
US10560140B1 (en) 2017-11-29 2020-02-11 Quantenna Communications, Inc. MIMO WiFi transceiver with rolling gain offset pre-distortion calibration
US11700038B2 (en) * 2019-05-30 2023-07-11 Cypress Semiconductor Corporation Enhancement of range and throughput for multi-antenna wireless communications devices
US10911162B1 (en) 2020-01-30 2021-02-02 Semiconductor Components Industries, Llc Direct sampling for digital pre-distortion calibration

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010054499A1 (en) * 2008-11-11 2010-05-20 Telefonaktiebolaget L M Ericsson (Publ) A dpd system with multiple transmitter paths
WO2018232101A1 (en) * 2017-06-14 2018-12-20 Interdigital Patent Holdings, Inc. Methods and system for mimo transmissions in millimeter wave wlans

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
BRAITHWAITE R NEIL. Closed-Loop Digital Predistortion (DPD) Using an Observation Path With Limited Bandwidth. IEEE Transactions on Microwave Theory and Techniques, 20150201 IEEE, USA. , 01/02/2015, Vol. 63, Páginas 726 - 736 [en línea][recuperado el 23/03/2022]. Recuperado de Internet (URL:https://ieeexplore.ieee.org/abstract/document/7015629), ISSN 0018-9480, (DOI: doi:10.1109/TMTT.2014.2388230) <p>Apartado II.B</p> *
Duplexor. Wikipedia, 11/09/2019, [en línea][recuperado el 21/03/2022]. Recuperado de Internet (URL:https://es.wikipedia.org/w/index.php?title=Duplexor&oldid=119188617#Aplicaciones), Apartados tipos, aplicaciones, características. *
HAUSMAIR KATHARINA ET AL. Modeling and Linearization of Multi-Antenna Transmitters Using Over-the-Air Measurements. 2018 IEEE International Symposium on Circuits and Systems (ISCAS), 20180527 IEEE. , 27/05/2018, Páginas 1 - 4 [en línea][recuperado el 18/03/2022]. Recuperado de Internet (URL:https://ieeexplore.ieee.org/document/8351266 ), (DOI: doi:10.1109/ISCAS.2018.8351266) Apartados I-III; figuras 1-2 *
WOOD JOHN. System-Level Design Considerations for Digital Pre-Distortion of Wireless Base Station Transmitters. IEEE Transactions on Microwave Theory and Techniques, 20170501 IEEE, USA. , 01/05/2017, Vol. 65, Páginas 1880 - 1890 [en línea][recuperado el 18/03/2022]. Recuperado de Internet (URL:https://ieeexplore.ieee.org/document/7864458 ), ISSN 0018-9480, (DOI: doi:10.1109/TMTT.2017.2659738) Apartados II, V, VI,VIII; figuras 1-2, 11 *

Also Published As

Publication number Publication date
CN113206690A (zh) 2021-08-03
US11165471B2 (en) 2021-11-02
DE102021100474A1 (de) 2021-08-05
ES2847778A2 (es) 2021-08-03
US20210242909A1 (en) 2021-08-05

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