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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

    • 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)
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)

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US7808940B2 (en) * 2004-05-10 2010-10-05 Alcatel-Lucent Usa Inc. Peak-to-average power ratio control
US11431386B1 (en) 2004-08-02 2022-08-30 Genghiscomm Holdings, LLC Transmit pre-coding
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US7778362B2 (en) * 2005-03-28 2010-08-17 Wisair Ltd. Method and device for OFDM channel estimation
WO2007052397A1 (ja) * 2005-10-31 2007-05-10 Nec Corporation 送受信システム、伝送装置、及びそれらに用いるパイロット信号多重方法
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
US8428104B2 (en) * 2009-07-01 2013-04-23 Harris Corporation Permission-based multiple access communications systems
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
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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
US8566687B1 (en) 2012-06-20 2013-10-22 MagnaCom Ltd. Method and system for forward error correction decoding with parity check for use in low complexity 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
US10243773B1 (en) 2017-06-30 2019-03-26 Genghiscomm Holdings, LLC Efficient peak-to-average-power reduction for OFDM and MIMO-OFDM
US10637705B1 (en) 2017-05-25 2020-04-28 Genghiscomm Holdings, LLC Peak-to-average-power reduction for OFDM multiple access
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
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

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US5381449A (en) * 1990-06-12 1995-01-10 Motorola, Inc. Peak to average power ratio reduction methodology for QAM communications systems
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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
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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
EP1563659B1 (de) 2009-04-15
WO2004043028A8 (en) 2005-05-19
WO2004043028A1 (en) 2004-05-21
US20060034378A1 (en) 2006-02-16
DE60232026D1 (de) 2009-05-28
BR0215922A (pt) 2005-08-09
AU2002347734A1 (en) 2004-06-07
EP1563659A2 (de) 2005-08-17

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