CA3009761C - Multi-beam crest factor reduction - Google Patents

Multi-beam crest factor reduction Download PDF

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Publication number
CA3009761C
CA3009761C CA3009761A CA3009761A CA3009761C CA 3009761 C CA3009761 C CA 3009761C CA 3009761 A CA3009761 A CA 3009761A CA 3009761 A CA3009761 A CA 3009761A CA 3009761 C CA3009761 C CA 3009761C
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CA
Canada
Prior art keywords
signals
cfr
signal
beam signals
magnitudes
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Active
Application number
CA3009761A
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English (en)
French (fr)
Other versions
CA3009761A1 (en
Inventor
Chris Tsun Kit Ng
Ramesh CHEMBIL-PALAT
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.)
NEC Advanced Networks Inc
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NEC Advanced Networks Inc
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Publication of CA3009761A1 publication Critical patent/CA3009761A1/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2614—Peak power aspects
    • H04L27/2623—Reduction thereof by clipping
    • 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
    • H03F1/3282—Acting on the phase and the amplitude of the input signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/336—A I/Q, i.e. phase quadrature, modulator or demodulator being used in an amplifying circuit
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Radio Transmission System (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Mobile Radio Communication Systems (AREA)
CA3009761A 2015-12-29 2016-12-22 Multi-beam crest factor reduction Active CA3009761C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562272269P 2015-12-29 2015-12-29
US62/272,269 2015-12-29
PCT/US2016/068174 WO2017116929A1 (en) 2015-12-29 2016-12-22 Multi-beam crest factor reduction

Publications (2)

Publication Number Publication Date
CA3009761A1 CA3009761A1 (en) 2017-07-06
CA3009761C true CA3009761C (en) 2024-06-11

Family

ID=57758834

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3009761A Active CA3009761C (en) 2015-12-29 2016-12-22 Multi-beam crest factor reduction

Country Status (7)

Country Link
US (1) US10084630B2 (https=)
EP (1) EP3398256A1 (https=)
JP (1) JP7083311B2 (https=)
KR (1) KR102673458B1 (https=)
CN (1) CN108702163B (https=)
CA (1) CA3009761C (https=)
WO (1) WO2017116929A1 (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11128507B2 (en) * 2017-02-08 2021-09-21 Telefonaktiebolaget Lm Ericsson (Publ) Method and arrangement for signal distortion mitigation
US10594530B2 (en) * 2018-05-29 2020-03-17 Qualcomm Incorporated Techniques for successive peak reduction crest factor reduction
CN112166585B (zh) * 2018-06-01 2024-02-23 瑞典爱立信有限公司 超宽带峰值因子降低
WO2020158040A1 (ja) * 2019-01-31 2020-08-06 三菱電機株式会社 衛星送信機および中継衛星通信システム
FI20195895A1 (en) * 2019-10-16 2021-04-17 Nokia Solutions & Networks Oy Distribution of limiting noise between bands
CN115244846A (zh) * 2020-03-24 2022-10-25 哲库科技有限公司 可配置波峰因子降低的装置和方法
US11689343B2 (en) * 2020-04-15 2023-06-27 Qualcomm Incorporated Peak suppression information multiplexing on downlink shared channel
KR102929163B1 (ko) * 2021-06-24 2026-02-24 주식회사 쏠리드 통신 장치 및 그 cfr 처리 방법
US12401557B2 (en) * 2022-09-01 2025-08-26 Qualcomm Incorporated Techniques for waveform compression
US20240223228A1 (en) * 2022-12-29 2024-07-04 Intel Corporation Method and apparatus for crest factor reduction
US12212441B2 (en) * 2023-01-24 2025-01-28 Qualcomm Incorporated Spectrum management for crest factor reduction distortion

Family Cites Families (22)

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Publication number Priority date Publication date Assignee Title
WO2004051952A1 (en) 2002-11-29 2004-06-17 Telefonaktiebolaget Lm Ericsson (Publ) Amplitude peak cancellation
AU2002360071A1 (en) * 2002-12-20 2004-07-14 Telefonaktiebolaget Lm Ericsson (Publ) Peak power limitation in an amplifier pooling scenario
US7634024B2 (en) * 2005-01-31 2009-12-15 Agere Systems Inc. Adaptive peak windowing for crest factor reduction in a communication system transmitter
US8259846B2 (en) * 2008-07-30 2012-09-04 Motorola Mobility Llc Apparatus and method for generating a multicarrier communication signal having a reduced crest factor
US8068558B2 (en) * 2008-12-17 2011-11-29 Nortel Networks Limited Selective peak power reduction
JP5291668B2 (ja) * 2010-01-13 2013-09-18 株式会社エヌ・ティ・ティ・ドコモ 送信機及びｍｉｍｏ多重伝送方法
CN102299883B (zh) * 2010-06-24 2014-02-19 大唐移动通信设备有限公司 一种宽频信号波峰削除方法及装置
ES2672225T3 (es) 2010-07-01 2018-06-13 Blue Danube Systems, Inc. Matrices de antena activa de bajo coste
US8599961B2 (en) * 2010-10-14 2013-12-03 KATREIN-Werke KG Crest factor reduction method and circuit for a multi-carrier signal
CN103733527B (zh) 2011-04-07 2015-10-07 蓝色多瑙河系统公司 在无线系统中实现高平均频谱效率的技术
WO2013063440A1 (en) * 2011-10-27 2013-05-02 Lsi Corporation Vector processor having instruction set with vector convolution funciton for fir filtering
US9287906B2 (en) * 2011-12-19 2016-03-15 Nec Corporation Transmission apparatus and wireless signal transmission method
WO2013123651A1 (en) * 2012-02-22 2013-08-29 Telefonaktiebolaget L M Ericsson(Publ) Device and method for controlling an input signal of a power amplifier
JP2014175818A (ja) * 2013-03-08 2014-09-22 Hitachi Ltd ピークファクタ低減装置及び無線送信機
EP2995014B1 (en) * 2013-05-10 2018-09-19 Samsung Electronics Co., Ltd. Apparatus and method for selecting transmit and receive beam in a wireless communication system
US9331882B2 (en) * 2013-06-05 2016-05-03 Telefonaktiebolaget L M Ericsson (Publ) Crest factor reduction of carrier aggregated signals
GB2519361B (en) * 2013-10-21 2015-09-16 Nujira Ltd Reduced bandwidth of signal in an envelope path for envelope tracking system
US9209841B2 (en) * 2014-01-28 2015-12-08 Scintera Networks Llc Adaptively controlled digital pre-distortion in an RF power amplifier using an integrated signal analyzer with enhanced analog-to-digital conversion
US9461697B2 (en) * 2014-02-27 2016-10-04 Scintera Networks Llc In-service monitoring and cancellation of passive intermodulation interferences
US9485129B1 (en) * 2014-07-07 2016-11-01 Altera Corporation Multi-standard peak canceling circuitry
JP2016144120A (ja) * 2015-02-04 2016-08-08 富士通株式会社 無線装置
CN104917556B (zh) * 2015-04-16 2017-12-08 北京理工大学 一种基于超高速dac的同步多波束信号生成方法

Also Published As

Publication number Publication date
JP2019509654A (ja) 2019-04-04
CN108702163A (zh) 2018-10-23
KR20180099808A (ko) 2018-09-05
JP7083311B2 (ja) 2022-06-10
EP3398256A1 (en) 2018-11-07
US20170187560A1 (en) 2017-06-29
KR102673458B1 (ko) 2024-06-10
US10084630B2 (en) 2018-09-25
CN108702163B (zh) 2020-07-10
CA3009761A1 (en) 2017-07-06
WO2017116929A1 (en) 2017-07-06

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