CN102292947A - 多载波调制接收器的信道估计与峰均功率比降低 - Google Patents

多载波调制接收器的信道估计与峰均功率比降低 Download PDF

Info

Publication number
CN102292947A
CN102292947A CN2009801550186A CN200980155018A CN102292947A CN 102292947 A CN102292947 A CN 102292947A CN 2009801550186 A CN2009801550186 A CN 2009801550186A CN 200980155018 A CN200980155018 A CN 200980155018A CN 102292947 A CN102292947 A CN 102292947A
Authority
CN
China
Prior art keywords
papr
carrier
signal
group
pilot
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
CN2009801550186A
Other languages
English (en)
Chinese (zh)
Inventor
R.拉贾格帕拉
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.)
Advanced Micro Devices Inc
Original Assignee
Advanced Micro Devices Inc
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 Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Priority to CN201310547436.8A priority Critical patent/CN103634243B/zh
Publication of CN102292947A publication Critical patent/CN102292947A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • 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
    • 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
    • H04L27/2618—Reduction thereof using auxiliary subcarriers
    • 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
    • H04L27/262—Reduction thereof by selection of pilot symbols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Mobile Radio Communication Systems (AREA)
CN2009801550186A 2008-11-20 2009-11-13 多载波调制接收器的信道估计与峰均功率比降低 Pending CN102292947A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310547436.8A CN103634243B (zh) 2008-11-20 2009-11-13 多载波调制接收器的峰均功率比降低方法及装置

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US11653308P 2008-11-20 2008-11-20
US61/116,533 2008-11-20
US12/415,747 2009-03-31
US12/415,747 US8306148B2 (en) 2008-11-20 2009-03-31 Method to reduce peak to average power ratio in multi-carrier modulation receivers
PCT/US2009/064403 WO2010059521A2 (en) 2008-11-20 2009-11-13 Method to reduce peak to average power ratio in multi-carrier modulation receivers

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201310547436.8A Division CN103634243B (zh) 2008-11-20 2009-11-13 多载波调制接收器的峰均功率比降低方法及装置

Publications (1)

Publication Number Publication Date
CN102292947A true CN102292947A (zh) 2011-12-21

Family

ID=42172074

Family Applications (2)

Application Number Title Priority Date Filing Date
CN2009801550186A Pending CN102292947A (zh) 2008-11-20 2009-11-13 多载波调制接收器的信道估计与峰均功率比降低
CN201310547436.8A Active CN103634243B (zh) 2008-11-20 2009-11-13 多载波调制接收器的峰均功率比降低方法及装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201310547436.8A Active CN103634243B (zh) 2008-11-20 2009-11-13 多载波调制接收器的峰均功率比降低方法及装置

Country Status (6)

Country Link
US (3) US8306148B2 (https=)
EP (2) EP2557750B1 (https=)
JP (2) JP5984392B2 (https=)
KR (1) KR101628887B1 (https=)
CN (2) CN102292947A (https=)
WO (1) WO2010059521A2 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102932289A (zh) * 2012-09-07 2013-02-13 重庆邮电大学 Ofdm系统中基于循环移位估计移位个数及信道响应的方法
CN103618687A (zh) * 2013-12-03 2014-03-05 东南大学 一种拥有低峰均功率比的无线光正交多载波通信方法
WO2015007123A1 (zh) * 2013-07-18 2015-01-22 华为技术有限公司 降低小区干扰的方法及装置

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8422434B2 (en) 2003-02-18 2013-04-16 Qualcomm Incorporated Peak-to-average power ratio management for multi-carrier modulation in wireless communication systems
WO2008129645A1 (ja) * 2007-04-13 2008-10-30 Fujitsu Limited ピーク抑圧方法
KR20120099838A (ko) * 2011-03-02 2012-09-12 삼성전자주식회사 방송통신시스템에서 피크 전력 대 평균 전력의 비를 감소시키기 위한 장치 및 방법
WO2013070651A1 (en) * 2011-11-10 2013-05-16 Marvell World Trade Ltd. Channel estimation with decision feedback
US20140334421A1 (en) * 2011-12-07 2014-11-13 Drexel University Joint bit loading and symbol rotation scheme for multi-carrier systems in siso and mimo links
US9350587B1 (en) 2012-11-30 2016-05-24 Marvell International Ltd. System and method for timing error estimation
JP5892073B2 (ja) * 2013-01-15 2016-03-23 アイコム株式会社 通信機および通信方法
US8798181B1 (en) * 2013-01-15 2014-08-05 John David Terry Method and apparatus for controlling multi-dimensional peak-to-average-power-ratio (PAPR) with constraints
KR101799276B1 (ko) 2013-09-27 2017-11-20 엘지전자 주식회사 방송 신호 송신 장치, 방송 신호 수신 장치, 방송 신호 송신 방법 및 방송 신호 수신 방법
FR3013928B1 (fr) * 2013-11-28 2015-12-25 Commissariat Energie Atomique Methode d'estimation de canal pour systeme de telecommunication fbmc
EP3089417A1 (en) * 2015-04-30 2016-11-02 Thomson Licensing Apparatus and method for reducing peak to average power ratio in a signal
EP3289744A2 (en) * 2015-04-30 2018-03-07 Thomson Licensing Selecting angular active constellation extension for non-square constellations and extension along x or y axis for square constellations
WO2016200188A1 (en) * 2015-06-09 2016-12-15 Samsung Electronics Co., Ltd. Method for determining reserved tones and transmitter for performing papr reduction using tone reservation
KR102597582B1 (ko) * 2015-06-09 2023-11-03 삼성전자주식회사 예약 톤 설계 방법 및 톤 예약 방식을 이용하여 papr 저감을 수행하는 송신기
KR101833041B1 (ko) * 2015-06-09 2018-02-27 삼성전자주식회사 예약 톤 설계 방법 및 톤 예약 방식을 이용하여 papr 저감을 수행하는 송신기
US10122560B2 (en) * 2015-10-16 2018-11-06 Kabushiki Kaisha Toshiba Tree search tone reservation for PAPR reduction in OFDM systems
WO2017078607A1 (en) * 2015-11-06 2017-05-11 Telefonaktiebolaget Lm Ericsson (Publ) Processing a constant amplitude sequence for transmission
US10103917B2 (en) * 2016-02-05 2018-10-16 Maxlinear, Inc. Peak to average power ratio reduction in multichannel digital front-ends (DFES)
TW201924294A (zh) * 2017-11-16 2019-06-16 財團法人資訊工業策進會 基於正交分頻多工的基頻處理裝置與基頻處理方法
CN108566355B (zh) * 2018-04-24 2020-09-01 西安邮电大学 一种离散多音调制系统峰均比降低算法
US11812453B2 (en) * 2020-05-15 2023-11-07 Qualcomm Incorporated Bandwidth-efficient utilization of peak reduction tone resource
US11916702B2 (en) * 2021-12-20 2024-02-27 Qualcomm Incorporated Tone reservation for digital post distortion
CN117354109A (zh) * 2022-06-29 2024-01-05 华为技术有限公司 一种通信方法及通信装置
CN120455229B (zh) * 2025-05-29 2026-01-13 暨南大学 一种基于深度学习的仿射频分复用峰均功率比降低方法及系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060013338A1 (en) * 2004-07-16 2006-01-19 Gore Dhananjay A Incremental pilot insertion for channnel and interference estimation
US20070242597A1 (en) * 1995-02-06 2007-10-18 Adc Telecommunications, Inc. Scanning by remotes in multipoint-to-point communication using orthogonal frequency division multiplexing

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5381449A (en) * 1990-06-12 1995-01-10 Motorola, Inc. Peak to average power ratio reduction methodology for QAM communications systems
US6424681B1 (en) * 1998-04-20 2002-07-23 The Board Of Trustees Of The Leland Stanford Junior University Peak to average power ratio reduction
JP3461157B2 (ja) * 2000-05-29 2003-10-27 松下電器産業株式会社 マルチキャリア通信装置およびマルチキャリア通信方法
EP1389861A1 (en) * 2002-08-12 2004-02-18 Siemens Aktiengesellschaft Channel tracking using decision directed estimation in pilot-assisted wireless multi-carrier systems
US7792200B2 (en) * 2005-11-14 2010-09-07 Telefonaltiebolaget Lm Ericsson (Publ) Peak-to-average power reduction
US7961591B2 (en) * 2006-03-20 2011-06-14 Fujitsu Limited OFDM communication systems, transmitters and methods
US7602697B2 (en) * 2006-04-12 2009-10-13 Sharp Laboratories Of America, Inc. Systems and methods for reducing the peak-to-average-power ratio in an OFDM-based system
JP2007329588A (ja) * 2006-06-06 2007-12-20 Fujitsu Ltd 送信機及び送信方法
US7948868B2 (en) * 2006-08-18 2011-05-24 Telefonaktiebolaget Lm Ericsson (Publ) Method and arrangement relating to the insertion of pilot tones in the frequency domain in SC-FDMA
KR101394103B1 (ko) * 2006-09-19 2014-05-13 에이저 시스템즈 엘엘시 높은 피크대 평균 전력비들로부터 유발되는 다중 반송파 변조된 신호들의 왜곡을 감소시키는 동적 선택 방법들

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070242597A1 (en) * 1995-02-06 2007-10-18 Adc Telecommunications, Inc. Scanning by remotes in multipoint-to-point communication using orthogonal frequency division multiplexing
US20060013338A1 (en) * 2004-07-16 2006-01-19 Gore Dhananjay A Incremental pilot insertion for channnel and interference estimation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102932289A (zh) * 2012-09-07 2013-02-13 重庆邮电大学 Ofdm系统中基于循环移位估计移位个数及信道响应的方法
CN102932289B (zh) * 2012-09-07 2015-07-15 重庆邮电大学 Ofdm系统中基于循环移位估计移位个数及信道响应的方法
WO2015007123A1 (zh) * 2013-07-18 2015-01-22 华为技术有限公司 降低小区干扰的方法及装置
CN103618687A (zh) * 2013-12-03 2014-03-05 东南大学 一种拥有低峰均功率比的无线光正交多载波通信方法
CN103618687B (zh) * 2013-12-03 2017-03-22 东南大学 一种拥有低峰均功率比的无线光正交多载波通信方法

Also Published As

Publication number Publication date
JP2015092756A (ja) 2015-05-14
EP2557750B1 (en) 2016-11-02
US20130058440A1 (en) 2013-03-07
EP2359559A2 (en) 2011-08-24
WO2010059521A3 (en) 2011-03-31
JP2012509645A (ja) 2012-04-19
JP5926825B2 (ja) 2016-05-25
US20100124293A1 (en) 2010-05-20
KR101628887B1 (ko) 2016-06-09
KR20110095907A (ko) 2011-08-25
US8625715B2 (en) 2014-01-07
WO2010059521A2 (en) 2010-05-27
JP5984392B2 (ja) 2016-09-07
US8306148B2 (en) 2012-11-06
CN103634243A (zh) 2014-03-12
EP2557750A1 (en) 2013-02-13
US20100124296A1 (en) 2010-05-20
US8644401B2 (en) 2014-02-04
CN103634243B (zh) 2017-08-11

Similar Documents

Publication Publication Date Title
US8306148B2 (en) Method to reduce peak to average power ratio in multi-carrier modulation receivers
US8265200B2 (en) Method and system for receiver synchronization
US7817533B2 (en) Device and method for performing channel estimation for OFDM-based signals with variable pilot subcarrier spacing
US7817735B2 (en) Device and method of performing channel estimation for OFDM-based wireless communication system
JP5632457B2 (ja) マルチキャリア信号におけるピーク電力対平均電力比の低減
CN101601243A (zh) Ofdm信道估计
US7869341B2 (en) Method and apparatus for positioning pilot in an OFDMA mobile communication system
WO2008077959A1 (en) Method of determining a channel quality and modem
US20150156045A1 (en) Method for transmitting data using variable guard interval and apparatus thereof
CN101494631A (zh) 估计信道脉冲响应的装置及方法
US7929622B2 (en) Method of channel estimation
KR100842069B1 (ko) 주파수영역에 부가적인 파일럿신호를 가지는 ｃｏｆｄｍ방식의 송신시스템 및 그에 따른 신호처리방법
JP5254526B2 (ja) 伝送性能を向上させるためのシステム、モデム、受信器、送信器及びその方法
KR101004821B1 (ko) 동일 채널 간섭 추정 및 복호 성능 향상 기능을 갖는 ｏｆｄｍ 수신기
KR20080107551A (ko) 가상 부반송파 환경에서의 채널 추정 방법
JP2005191662A (ja) Ｏｆｄｍ信号の復調方法
KR20040028226A (ko) 주파수영역에 파일럿 신호를 부가하는 ｔｄｓ-ｏｆｄｍ송신 시스템 및 그에 따른 신호처리방법
KR101207811B1 (ko) Ｏｆｄｍ 시스템에서 ｏｆｄｍ 심볼 복조를 위한 ｆｆｔ 윈도우 위치 결정 방법과 이를 위한 ｏｆｄｍ 수신기

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20111221