ATE429116T1 - Papr-reduktion - Google Patents

Papr-reduktion

Info

Publication number
ATE429116T1
ATE429116T1 AT02783933T AT02783933T ATE429116T1 AT E429116 T1 ATE429116 T1 AT E429116T1 AT 02783933 T AT02783933 T AT 02783933T AT 02783933 T AT02783933 T AT 02783933T AT E429116 T1 ATE429116 T1 AT E429116T1
Authority
AT
Austria
Prior art keywords
pilot
channels
transmission
payload
papr reduction
Prior art date
Application number
AT02783933T
Other languages
English (en)
Inventor
Jan Lindskog
Gunnar Rydnell
Roger Walther
Goeran Kronquist
Sten Sjoeberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE429116T1 publication Critical patent/ATE429116T1/de

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
    • H04L27/262Reduction 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)
AT02783933T 2002-11-07 2002-11-07 Papr-reduktion ATE429116T1 (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
ATE429116T1 true ATE429116T1 (de) 2009-05-15

Family

ID=32310984

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02783933T ATE429116T1 (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 (44)

* 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
EP1542488A1 (de) * 2003-12-12 2005-06-15 Telefonaktiebolaget LM Ericsson (publ) Verfahren un vorrichtung zur Zuweisung von Kanaladaptierten Pilotsignalen
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.
KR20060063632A (ko) * 2004-12-03 2006-06-12 삼성전자주식회사 이동통신 시스템에서 파일럿 톤 전력 할당 장치 및 방법
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
KR20080055895A (ko) * 2005-10-31 2008-06-19 닛본 덴끼 가부시끼가이샤 송수신 시스템, 전송 장치, 및 그들에 이용하는 파일럿신호 다중 방법
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
US8406352B2 (en) 2009-07-01 2013-03-26 Harris Corporation Symbol estimation for chaotic spread spectrum signal
US8428104B2 (en) * 2009-07-01 2013-04-23 Harris Corporation Permission-based multiple access communications systems
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
US8873612B1 (en) 2012-06-20 2014-10-28 MagnaCom Ltd. Decision feedback equalizer with multiple cores 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
US12224860B1 (en) 2014-01-30 2025-02-11 Genghiscomm Holdings, LLC Linear coding in decentralized networks
KR102269078B1 (ko) * 2014-02-18 2021-06-24 삼성전자주식회사 송신 장치, 수신 장치 및 그 제어 방법
WO2015126171A1 (en) * 2014-02-18 2015-08-27 Samsung Electronics Co., Ltd. Transmitting apparatus, receiving apparatus, and controlling methods thereof
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
US11671151B2 (en) 2017-07-25 2023-06-06 Tybalt, Llc Efficient peak-to-average-power reduction for OFDM and MIMO-OFDM
US10637544B1 (en) 2018-04-24 2020-04-28 Genghiscomm Holdings, LLC Distributed radio system
US12206535B1 (en) 2018-06-17 2025-01-21 Tybalt, Llc Artificial neural networks in wireless communication systems
CN112425127B (zh) 2018-06-17 2024-09-20 珍吉斯科姆控股有限责任公司 分布式无线电系统
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
EP1416694B1 (de) * 1999-06-16 2006-09-20 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
WO2004043028A1 (en) 2004-05-21
AU2002347734A1 (en) 2004-06-07
DE60232026D1 (de) 2009-05-28
EP1563659A2 (de) 2005-08-17
BR0215922A (pt) 2005-08-09
US20060034378A1 (en) 2006-02-16
EP1563659B1 (de) 2009-04-15
WO2004043028A8 (en) 2005-05-19

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