KR100739356B1 - 무선 통신 시스템에서 인접 채널 파워를 감소시키는 방법및 장치 - Google Patents

무선 통신 시스템에서 인접 채널 파워를 감소시키는 방법및 장치 Download PDF

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KR100739356B1
KR100739356B1 KR1020000054035A KR20000054035A KR100739356B1 KR 100739356 B1 KR100739356 B1 KR 100739356B1 KR 1020000054035 A KR1020000054035 A KR 1020000054035A KR 20000054035 A KR20000054035 A KR 20000054035A KR 100739356 B1 KR100739356 B1 KR 100739356B1
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signal
parameters
output
baseband signal
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KR20010050450A (ko
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존슨로버트에베레스트
레니마크토마스
벨라코레이로조지필립
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루센트 테크놀러지스 인크
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    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • 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
    • 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
    • H04B1/62—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 for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
KR1020000054035A 1999-09-14 2000-09-14 무선 통신 시스템에서 인접 채널 파워를 감소시키는 방법및 장치 Expired - Fee Related KR100739356B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/395,490 1999-09-14
US09/395,490 US7409007B1 (en) 1999-09-14 1999-09-14 Method and apparatus for reducing adjacent channel power in wireless communication systems
US9/395,490 1999-09-14

Publications (2)

Publication Number Publication Date
KR20010050450A KR20010050450A (ko) 2001-06-15
KR100739356B1 true KR100739356B1 (ko) 2007-07-18

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KR1020000054035A Expired - Fee Related KR100739356B1 (ko) 1999-09-14 2000-09-14 무선 통신 시스템에서 인접 채널 파워를 감소시키는 방법및 장치

Country Status (9)

Country Link
US (1) US7409007B1 (enExample)
EP (1) EP1085668B1 (enExample)
JP (1) JP4676052B2 (enExample)
KR (1) KR100739356B1 (enExample)
CN (1) CN1288341A (enExample)
AU (1) AU773197B2 (enExample)
BR (1) BR0004033A (enExample)
CA (1) CA2317901C (enExample)
DE (1) DE60044485D1 (enExample)

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KR20030024241A (ko) * 2001-09-17 2003-03-26 엘지전자 주식회사 블루투스 송신회로
US7248642B1 (en) 2002-02-05 2007-07-24 Andrew Corporation Frequency-dependent phase pre-distortion for reducing spurious emissions in communication networks
US7266159B2 (en) 2002-03-08 2007-09-04 Andrew Corporation Frequency-dependent magnitude pre-distortion on non-baseband input signals for reducing spurious emissions in communication networks
US7197085B1 (en) * 2002-03-08 2007-03-27 Andrew Corporation Frequency-dependent magnitude pre-distortion for reducing spurious emissions in communication networks
JP3637323B2 (ja) 2002-03-19 2005-04-13 株式会社東芝 受信装置、送受信装置及び受信方法
US8380143B2 (en) 2002-05-01 2013-02-19 Dali Systems Co. Ltd Power amplifier time-delay invariant predistortion methods and apparatus
US8811917B2 (en) 2002-05-01 2014-08-19 Dali Systems Co. Ltd. Digital hybrid mode power amplifier system
US7139327B2 (en) 2002-06-10 2006-11-21 Andrew Corporation Digital pre-distortion of input signals for reducing spurious emissions in communication networks
US7450636B2 (en) 2002-09-05 2008-11-11 Avago Technologies General Ip (Singapore) Pte. Ltd. Adaptive transmit equalizer
US7035601B2 (en) * 2003-02-27 2006-04-25 Nokia Corporation Data transmission method, base station and transmitter for compensating for non-linearities in a transmission chain
US7251293B2 (en) 2003-06-27 2007-07-31 Andrew Corporation Digital pre-distortion for the linearization of power amplifiers with asymmetrical characteristics
US7738544B2 (en) 2004-01-30 2010-06-15 Electronics & Telecommunications Research Institute Apparatus and method for measuring received signal strength indicator, and recording medium storing program embodying the same method
KR100553434B1 (ko) 2004-08-13 2006-02-20 주식회사 팬택앤큐리텔 Ｒｆ 수신 장치
US7787562B2 (en) 2004-12-29 2010-08-31 Motorola, Inc. Method and apparatus for adaptive modulation of wireless communication signals
JP5085896B2 (ja) * 2006-02-17 2012-11-28 富士通株式会社 信号ピーク電圧抑圧装置
US9026067B2 (en) * 2007-04-23 2015-05-05 Dali Systems Co. Ltd. Remotely reconfigurable power amplifier system and method
WO2008078195A2 (en) 2006-12-26 2008-07-03 Dali Systems Co., Ltd. Method and system for baseband predistortion linearization in multi-channel wideband communication systems
WO2009109808A2 (en) 2007-12-07 2009-09-11 Dali Systems Co. Ltd. Baseband-derived rf digital predistortion
KR101145830B1 (ko) * 2008-10-29 2012-05-17 주식회사 케이제이티 전치왜곡장치 및 간섭억제시스템 필터-유닛이 적용된 이동통신장치의 출력단
US8358680B2 (en) * 2008-12-23 2013-01-22 Apple Inc. Reducing power levels associated with two or more signals using peak reduction distortion that is derived from a combined signal
JP5244698B2 (ja) * 2009-05-18 2013-07-24 アイコム株式会社 送信電力制御装置及び送信電力制御方法
KR101829517B1 (ko) 2010-09-14 2018-02-14 달리 시스템즈 씨오. 엘티디. 원격으로 재구성가능한 분산 안테나 시스템 및 방법
US8711976B2 (en) 2011-05-12 2014-04-29 Andrew Llc Pre-distortion architecture for compensating non-linear effects
US8792572B1 (en) * 2013-05-30 2014-07-29 Telefonaktiebolaget L M Ericsson (Publ) Universal peak power reduction in communication radios
JP2015142325A (ja) 2014-01-30 2015-08-03 富士通株式会社 歪補償装置および歪補償方法
WO2019048330A1 (en) * 2017-09-11 2019-03-14 Telefonaktiebolaget Lm Ericsson (Publ) TRANSMIT POWER CONTROL IN A WIRELESS COMMUNICATION NETWORK
CN112262369B (zh) * 2018-07-26 2024-04-02 上海诺基亚贝尔股份有限公司 用于数据处理的方法、装置和计算机可读介质
US12231283B1 (en) 2023-08-08 2025-02-18 Rockwell Collins, Inc. System and method for using FPGA look-up table as quadrature digital correlator

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US5867065A (en) * 1997-05-07 1999-02-02 Glenayre Electronics, Inc. Frequency selective predistortion in a linear transmitter

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JP3139395B2 (ja) * 1996-11-19 2001-02-26 松下電器産業株式会社 送信装置
US5920808A (en) * 1996-12-12 1999-07-06 Glenayre Electronics, Inc. Method and apparatus for reducing key-up distortion by pre-heating transistors
US5923712A (en) * 1997-05-05 1999-07-13 Glenayre Electronics, Inc. Method and apparatus for linear transmission by direct inverse modeling
US5963549A (en) * 1997-12-10 1999-10-05 L-3 Communications Corporation Fixed wireless loop system having baseband combiner predistortion summing table
US6075411A (en) 1997-12-22 2000-06-13 Telefonaktiebolaget Lm Ericsson Method and apparatus for wideband predistortion linearization
US6288610B1 (en) * 1998-03-19 2001-09-11 Fujitsu Limited Method and apparatus for correcting signals, apparatus for compensating for distortion, apparatus for preparing distortion compensating data, and transmitter
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US6614854B1 (en) * 1999-05-28 2003-09-02 Carriercomm, Inc. System and method for adaptive predistortion
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EP0751630A2 (en) * 1995-06-30 1997-01-02 Nec Corporation Code division multiple access base station transmitter
US5867065A (en) * 1997-05-07 1999-02-02 Glenayre Electronics, Inc. Frequency selective predistortion in a linear transmitter

Also Published As

Publication number Publication date
AU5655400A (en) 2001-03-15
JP2001127819A (ja) 2001-05-11
EP1085668A3 (en) 2003-09-03
JP4676052B2 (ja) 2011-04-27
DE60044485D1 (de) 2010-07-15
EP1085668B1 (en) 2010-06-02
EP1085668A2 (en) 2001-03-21
CA2317901C (en) 2011-04-19
US7409007B1 (en) 2008-08-05
KR20010050450A (ko) 2001-06-15
CA2317901A1 (en) 2001-03-14
AU773197B2 (en) 2004-05-20
BR0004033A (pt) 2001-04-17
CN1288341A (zh) 2001-03-21

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KR100739356B1 (ko) 무선 통신 시스템에서 인접 채널 파워를 감소시키는 방법및 장치
US7139327B2 (en) Digital pre-distortion of input signals for reducing spurious emissions in communication networks
US7109792B2 (en) Table-based pre-distortion for amplifier systems
US7251293B2 (en) Digital pre-distortion for the linearization of power amplifiers with asymmetrical characteristics
US7197085B1 (en) Frequency-dependent magnitude pre-distortion for reducing spurious emissions in communication networks
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JP2003513498A (ja) 電力増幅器の適応線形化
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US20040264596A1 (en) Digital pre-distortion for the linearization of power amplifiers with asymmetrical characteristics
JP3732824B2 (ja) 通信装置

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