DE60232026D1 - PAPR-Reduktion - Google Patents

PAPR-Reduktion

Info

Publication number
DE60232026D1
DE60232026D1 DE60232026T DE60232026T DE60232026D1 DE 60232026 D1 DE60232026 D1 DE 60232026D1 DE 60232026 T DE60232026 T DE 60232026T DE 60232026 T DE60232026 T DE 60232026T DE 60232026 D1 DE60232026 D1 DE 60232026D1
Authority
DE
Germany
Prior art keywords
pilot
channels
transmission
payload
papr reduction
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.)
Expired - Lifetime
Application number
DE60232026T
Other languages
English (en)
Inventor
Jan Lindskog
Gunnar Rydnell
Roger Walther
Goeran Kronquist
Sten Sjoeberg
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE60232026D1 publication Critical patent/DE60232026D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H04L27/262—Reduction thereof by selection of pilot symbols

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Jellies, Jams, And Syrups (AREA)
DE60232026T 2002-11-07 2002-11-07 PAPR-Reduktion Expired - Lifetime DE60232026D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2002/002033 WO2004043028A1 (en) 2002-11-07 2002-11-07 Papr reduction

Publications (1)

Publication Number Publication Date
DE60232026D1 true DE60232026D1 (de) 2009-05-28

Family

ID=32310984

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60232026T Expired - Lifetime DE60232026D1 (de) 2002-11-07 2002-11-07 PAPR-Reduktion

Country Status (7)

Country Link
US (1) US20060034378A1 (de)
EP (1) EP1563659B1 (de)
AT (1) ATE429116T1 (de)
AU (1) AU2002347734A1 (de)
BR (1) BR0215922A (de)
DE (1) DE60232026D1 (de)
WO (1) WO2004043028A1 (de)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10931338B2 (en) 2001-04-26 2021-02-23 Genghiscomm Holdings, LLC Coordinated multipoint systems
US10644916B1 (en) 2002-05-14 2020-05-05 Genghiscomm Holdings, LLC Spreading and precoding in OFDM
KR20050008429A (ko) * 2003-07-10 2005-01-21 삼성전자주식회사 수신 성능을 향상시킨 디지털 방송 송/수신 시스템 및그의 신호처리방법
US7808940B2 (en) * 2004-05-10 2010-10-05 Alcatel-Lucent Usa Inc. Peak-to-average power ratio control
US11381285B1 (en) 2004-08-02 2022-07-05 Genghiscomm Holdings, LLC Transmit pre-coding
EP1650920B1 (de) * 2004-10-21 2017-12-06 Samsung Electronics Co., Ltd. Gerät und verfahren zum annulieren der intersymbolstörung in einem ofdm system.
US7782810B2 (en) 2004-12-03 2010-08-24 Samsung Electronics Co., Ltd. Apparatus and method for transmitting/receiving packet data symbol in a mobile communication system
EP1679849B1 (de) 2005-01-11 2014-02-26 Motorola Solutions, Inc. Verfahren und Vorrichtung zur OFDM Nachrichtenübertragung, wobei die Pilotsymbolen gewichten werden zum Reduktion des Spitzendurchschnittsleistungsverhältnisses
JP4619797B2 (ja) * 2005-01-14 2011-01-26 富士通株式会社 無線通信システム及び無線通信装置
US7778362B2 (en) * 2005-03-28 2010-08-17 Wisair Ltd. Method and device for OFDM channel estimation
US20090122886A1 (en) * 2005-10-31 2009-05-14 Nec Corporation Transmitting/receiving system, transmitting apparatus, and pilot signal multiplexing method used in them
WO2007086131A1 (ja) * 2006-01-27 2007-08-02 Fujitsu Limited 基地局及び無線通信システム並びにパイロットパターン決定方法
US7848446B2 (en) * 2006-09-27 2010-12-07 Telefonaktiebolaget L M Ericsson (Publ) Reduction of peak-to-average-power ratio in a telecommunications system
WO2008069488A1 (en) * 2006-12-05 2008-06-12 Electronics And Telecommunications Research Institute Apparatus and method for reducing peak to average power ratio in orthogonal frequency division multiplexing system
US8611530B2 (en) * 2007-05-22 2013-12-17 Harris Corporation Encryption via induced unweighted errors
US8406276B2 (en) 2008-12-29 2013-03-26 Harris Corporation Communications system employing orthogonal chaotic spreading codes
US8457077B2 (en) 2009-03-03 2013-06-04 Harris Corporation Communications system employing orthogonal chaotic spreading codes
US8509284B2 (en) 2009-06-08 2013-08-13 Harris Corporation Symbol duration dithering for secured chaotic communications
US8428102B2 (en) 2009-06-08 2013-04-23 Harris Corporation Continuous time chaos dithering
US8428103B2 (en) 2009-06-10 2013-04-23 Harris Corporation Discrete time chaos dithering
US8379689B2 (en) * 2009-07-01 2013-02-19 Harris Corporation Anti-jam communications having selectively variable peak-to-average power ratio including a chaotic constant amplitude zero autocorrelation waveform
US8428104B2 (en) * 2009-07-01 2013-04-23 Harris Corporation Permission-based multiple access communications systems
US8406352B2 (en) 2009-07-01 2013-03-26 Harris Corporation Symbol estimation for chaotic spread spectrum signal
US8848909B2 (en) 2009-07-22 2014-09-30 Harris Corporation Permission-based TDMA chaotic communication systems
US8913478B2 (en) * 2009-11-18 2014-12-16 Wi-Lan, Inc. Methods and apparatus for interleaving in OFDM/OFDMA systems
US8675769B1 (en) 2012-06-20 2014-03-18 MagnaCom Ltd. Constellation map optimization for highly spectrally efficient communications
US9118519B2 (en) 2013-11-01 2015-08-25 MagnaCom Ltd. Reception of inter-symbol-correlated signals using symbol-by-symbol soft-output demodulator
US9008223B1 (en) 2013-12-24 2015-04-14 Freescale Semiconductor, Inc. Transmitter and method for reducing the peak-to-average power ratio of a digitally modulated communication signal
WO2015126171A1 (en) * 2014-02-18 2015-08-27 Samsung Electronics Co., Ltd. Transmitting apparatus, receiving apparatus, and controlling methods thereof
KR102269078B1 (ko) * 2014-02-18 2021-06-24 삼성전자주식회사 송신 장치, 수신 장치 및 그 제어 방법
US9496900B2 (en) 2014-05-06 2016-11-15 MagnaCom Ltd. Signal acquisition in a multimode environment
US9246523B1 (en) 2014-08-27 2016-01-26 MagnaCom Ltd. Transmitter signal shaping
US10225108B2 (en) * 2015-12-08 2019-03-05 Avago Technologies International Sales Pte. Limited Channel estimation for multi-channel transmissions
US10637705B1 (en) 2017-05-25 2020-04-28 Genghiscomm Holdings, LLC Peak-to-average-power reduction for OFDM multiple access
US10243773B1 (en) 2017-06-30 2019-03-26 Genghiscomm Holdings, LLC Efficient peak-to-average-power reduction for OFDM and MIMO-OFDM
WO2019023283A1 (en) * 2017-07-25 2019-01-31 Genghiscomm Holdings, LLC EFFICIENT POWER CUT REDUCTION TO MEDIUM FOR OFDM AND MIMO-OFDM
US10637544B1 (en) 2018-04-24 2020-04-28 Genghiscomm Holdings, LLC Distributed radio system
US10756790B2 (en) 2018-06-17 2020-08-25 Genghiscomm Holdings, LLC Distributed radio system
WO2020242898A1 (en) 2019-05-26 2020-12-03 Genghiscomm Holdings, LLC Non-orthogonal multiple access
EP3826256B1 (de) 2019-11-19 2023-07-12 RivieraWaves Digitales vorverzerrungsverfahren für ofdm-basierte kommunikationssysteme

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4970714A (en) * 1989-01-05 1990-11-13 International Business Machines Corp. Adaptive data link protocol
US5381449A (en) * 1990-06-12 1995-01-10 Motorola, Inc. Peak to average power ratio reduction methodology for QAM communications systems
US6128317A (en) * 1997-12-22 2000-10-03 Motorola, Inc. Transmitter and receiver supporting differing speed codecs over single links
US6065070A (en) * 1998-03-18 2000-05-16 National Semiconductor Corporation DMA configurable channel with memory width N and with steering logic comprising N multiplexors, each multiplexor having a single one-byte input and N one-byte outputs
US6209112B1 (en) * 1998-07-31 2001-03-27 Lucent Technologies Inc. Apparatus and method for reducing power consumption of an error-correcting decoder
US6952394B1 (en) * 1999-05-25 2005-10-04 Samsung Electronics Co., Ltd. Method for transmitting and receiving orthogonal frequency division multiplexing signal and apparatus therefor
ATE340465T1 (de) * 1999-06-16 2006-10-15 Sony Deutschland Gmbh Optimierte synchronisierungspräambelstruktur für ofdm-system
US6985432B1 (en) * 2000-01-28 2006-01-10 Zion Hadad OFDM communication channel
US7512409B1 (en) * 2000-01-13 2009-03-31 Zion Hadad Communications Ltd. Cellular network system
KR100401801B1 (ko) * 2001-03-27 2003-10-17 (주)텔레시스테크놀로지 데이터 전송 성능을 개선하기 위한 직교주파수 분할 다중통신 시스템 및 방법
US7318185B2 (en) * 2001-08-23 2008-01-08 Nortel Networks Limited Method and apparatus for scrambling based peak-to-average power ratio reduction without side information

Also Published As

Publication number Publication date
BR0215922A (pt) 2005-08-09
WO2004043028A1 (en) 2004-05-21
AU2002347734A1 (en) 2004-06-07
WO2004043028A8 (en) 2005-05-19
ATE429116T1 (de) 2009-05-15
EP1563659A2 (de) 2005-08-17
US20060034378A1 (en) 2006-02-16
EP1563659B1 (de) 2009-04-15

Similar Documents

Publication Publication Date Title
ATE429116T1 (de) Papr-reduktion
WO2006135184A3 (en) A method of transmitting pilot bits in a wireless communication system
WO2006109161A3 (en) Method and apparatus for providing control channel monitoring in a multi-carrier system
JP2004159300A5 (de)
DE69817630D1 (de) Leistungsregelung in einer mehrfachträger-funksendeeinrichtung
WO2009052420A3 (en) Ofdm/ofdma frame structure for communication systems
WO2006014648A3 (en) Packet generation systems and methods
WO2006028654A3 (en) Systems and methods for receiving data in a wireless communication network
WO2006135186A3 (en) A method and apparatus for allocating a plurality of data symbols in a wireless communication system
DK1826926T3 (da) Implementeringsfremgangsmåde for et i et optisk transportnet sendt kortratetrafiksignal
WO2006020400A3 (en) Method and system for link adaptation in an orthogonal frequency division multiplexing (ofdm) wireless communication system
ATE375034T1 (de) Neuzuordnung von überschussleistung für mehreingang-mehrausgang-systeme (mimo-systeme) mit vollständiger kanalzustandsinformation (csi)
WO2006109125A3 (en) Harq control and channel quality feedback reporting for multicarrier systems
WO2006124336A3 (en) Method of reverse link transmission in a wireless network using code and frequency multiplexing
TW200611519A (en) Transmitting high rate data within a MIMO WLAN
WO2007050981A3 (en) A method and apparatus for modulating common pilot channel in block hopping mode in wireless communication system
DE602004020098D1 (de) Verarbeitung von transportformatinformationen zur verhinderung von mac-kopfteil-redundanz
WO2004092904A3 (en) Memory system having a multiplexed high-speed channel
WO2005122512A3 (en) Digital modulation system and method
ATE531225T1 (de) Implementieren von doppelbreitenkanälen in einem kommunikationssystem
WO2006035366A8 (en) Network array, forwarder device and method of operating a forwarder device
JP2004159299A5 (de)
ATE345628T1 (de) Blinde ratendetektion in einem multiplexübertragungssystem
TW200723917A (en) Method and apparatus for providing reverse activity information in a multi-carrier communication system
AU2003208891A1 (en) Time division multiplex (tdm) data encapsulation

Legal Events

Date Code Title Description
8364 No opposition during term of opposition