KR102673458B1 - 다중 빔 크레스트 팩터 감소 - Google Patents

다중 빔 크레스트 팩터 감소 Download PDF

Info

Publication number
KR102673458B1
KR102673458B1 KR1020187021825A KR20187021825A KR102673458B1 KR 102673458 B1 KR102673458 B1 KR 102673458B1 KR 1020187021825 A KR1020187021825 A KR 1020187021825A KR 20187021825 A KR20187021825 A KR 20187021825A KR 102673458 B1 KR102673458 B1 KR 102673458B1
Authority
KR
South Korea
Prior art keywords
signals
cfr
signal
beam signals
magnitudes
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.)
Active
Application number
KR1020187021825A
Other languages
English (en)
Korean (ko)
Other versions
KR20180099808A (ko
Inventor
크리스 춘 키트 옹
라메쉬 쳄빌-팔라트
Original Assignee
엔이씨 어드밴스드 네트웍스, 인크.
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 엔이씨 어드밴스드 네트웍스, 인크. filed Critical 엔이씨 어드밴스드 네트웍스, 인크.
Publication of KR20180099808A publication Critical patent/KR20180099808A/ko
Application granted granted Critical
Publication of KR102673458B1 publication Critical patent/KR102673458B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2614Peak power aspects
    • H04L27/2623Reduction thereof by clipping
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3282Acting on the phase and the amplitude of the input signal
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/02Transmitters
    • H04B1/04Circuits
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/336A I/Q, i.e. phase quadrature, modulator or demodulator being used in an amplifying circuit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/02Transmitters
    • H04B1/04Circuits
    • H04B2001/0408Circuits with power amplifiers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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)
KR1020187021825A 2015-12-29 2016-12-22 다중 빔 크레스트 팩터 감소 Active KR102673458B1 (ko)

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
KR20180099808A KR20180099808A (ko) 2018-09-05
KR102673458B1 true KR102673458B1 (ko) 2024-06-10

Family

ID=57758834

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020187021825A Active KR102673458B1 (ko) 2015-12-29 2016-12-22 다중 빔 크레스트 팩터 감소

Country Status (7)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018147775A1 (en) * 2017-02-08 2018-08-16 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
WO2019231381A1 (en) * 2018-06-01 2019-12-05 Telefonaktiebolaget Lm Ericsson (Publ) Ultra-wideband crest factor reduction
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
KR20230000189A (ko) * 2021-06-24 2023-01-02 주식회사 쏠리드 통신 장치 및 그 cfr 처리 방법
US12401557B2 (en) * 2022-09-01 2025-08-26 Qualcomm Incorporated Techniques for waveform compression
US12212441B2 (en) * 2023-01-24 2025-01-28 Qualcomm Incorporated Spectrum management for crest factor reduction distortion

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011166725A (ja) * 2010-01-13 2011-08-25 Ntt Docomo Inc 送信機及びmimo多重伝送方法
US20120093209A1 (en) * 2010-10-14 2012-04-19 Georg Schmidt Crest factor reduction method and circuit for a multi-carrier signal
WO2014182143A1 (en) * 2013-05-10 2014-11-13 Samsung Electronics Co., Ltd. Apparatus and method for selecting transmit and receive beam in a wireless communication system

Family Cites Families (19)

* Cited by examiner, † Cited by third party
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
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
TR201807974T4 (tr) 2010-07-01 2018-06-21 Blue Danube Systems Inc Uygun maliyetli, aktif anten dizilimleri.
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
KR102207599B1 (ko) * 2011-10-27 2021-01-26 인텔 코포레이션 블록 기반 파고율 저감
WO2013094106A1 (ja) * 2011-12-19 2013-06-27 日本電気株式会社 送信装置および無線信号送信方法
EP2748998B1 (en) * 2012-02-22 2018-08-01 Telefonaktiebolaget LM 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
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011166725A (ja) * 2010-01-13 2011-08-25 Ntt Docomo Inc 送信機及びmimo多重伝送方法
US20120093209A1 (en) * 2010-10-14 2012-04-19 Georg Schmidt Crest factor reduction method and circuit for a multi-carrier signal
WO2014182143A1 (en) * 2013-05-10 2014-11-13 Samsung Electronics Co., Ltd. Apparatus and method for selecting transmit and receive beam in a wireless communication system

Also Published As

Publication number Publication date
WO2017116929A1 (en) 2017-07-06
KR20180099808A (ko) 2018-09-05
CN108702163A (zh) 2018-10-23
JP2019509654A (ja) 2019-04-04
CA3009761A1 (en) 2017-07-06
CA3009761C (en) 2024-06-11
EP3398256A1 (en) 2018-11-07
US20170187560A1 (en) 2017-06-29
US10084630B2 (en) 2018-09-25
JP7083311B2 (ja) 2022-06-10
CN108702163B (zh) 2020-07-10

Similar Documents

Publication Publication Date Title
KR102673458B1 (ko) 다중 빔 크레스트 팩터 감소
JP4823107B2 (ja) Ofdm変調装置
JP4642863B2 (ja) 送信信号の制限
US10367670B2 (en) Method and apparatus for crest factor reduction
US8548092B2 (en) Method and apparatus for reducing peak to average power ratio using peak windowing
US8548085B2 (en) Multi-carrier peak power reduction in frequency hopping systems
TW200822644A (en) System and method for communicating data using symbol-based randomized orthogonal frequency division multiplexing (OFDM) with applied frequency domain spreading
Falconer Linear precoding of OFDMA signals to minimize their instantaneous power variance
WO2018160083A1 (en) Apparatus for quantized linear amplification with nonlinear amplifiers
KR20140130625A (ko) 무선 네트워크에서 주파수 호핑 변조 방식과 광대역과 동적 주파수 시스템의 하드웨어 가속을 위한 파고율 감소 장치 및 방법
CN111464476A (zh) 一种削波方法及装置
JP4617232B2 (ja) 送信機
CN102916760B (zh) 分时组频点干扰多目标信号的方法
JP5208980B2 (ja) 無線通信システム、無線通信システムにおける送信装置および送信方法
US10361897B2 (en) Peak-to-average power ratio reduction in a multi-carrier signal
JP2013236302A (ja) 移動局装置、基地局装置、送信方法および無線通信システム
JP6776699B2 (ja) ピーク抑圧回路及びピーク抑圧方法
Kryszkiewicz et al. Obtaining low out-of-band emission level of an NC-OFDM waveform in the SDR platform
JP6070820B2 (ja) 通信装置及びそのピーク抑圧方法
Song et al. FPGA implementation of peak cancellation for PAPR reduction of OFDM signals
JP5339102B2 (ja) ピーク抑圧回路、及び、無線送信機
Harris et al. A reduced PAPR PR-NMDFB based DUC architecture for transmit downlink of combined 3GPP LTE and UMTS signals
EP4018611A1 (en) Crest factor reduction
EP3398308A1 (en) Peak power reduction for adaptive modulation schemes
JP2005039664A (ja) ピーク制限回路

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20180727

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20211207

Comment text: Request for Examination of Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20230926

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20240326

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20240604

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20240604

End annual number: 3

Start annual number: 1

PG1601 Publication of registration