ATE535059T1 - Sender und empfänger für ultrabreitband-ofdm- signale, die eine cdma-schicht niedriger komplexität zur bandbreitenexpansion verwenden - Google Patents

Sender und empfänger für ultrabreitband-ofdm- signale, die eine cdma-schicht niedriger komplexität zur bandbreitenexpansion verwenden

Info

Publication number
ATE535059T1
ATE535059T1 AT05740674T AT05740674T ATE535059T1 AT E535059 T1 ATE535059 T1 AT E535059T1 AT 05740674 T AT05740674 T AT 05740674T AT 05740674 T AT05740674 T AT 05740674T AT E535059 T1 ATE535059 T1 AT E535059T1
Authority
AT
Austria
Prior art keywords
receiver
transmitter
bandwidth expansion
ofdm signals
low complexity
Prior art date
Application number
AT05740674T
Other languages
English (en)
Inventor
Charles Razzell
Original Assignee
Nxp Bv
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 Nxp Bv filed Critical Nxp Bv
Application granted granted Critical
Publication of ATE535059T1 publication Critical patent/ATE535059T1/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
    • H04L27/2602—Signal structure
    • 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
    • H04B1/692—Hybrid techniques using combinations of two or more spread spectrum techniques
    • 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
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • 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
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • 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
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions
    • 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
    • H04L5/0014—Three-dimensional division
    • H04L5/0016—Time-frequency-code
    • H04L5/0021—Time-frequency-code in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0022—PN, e.g. Kronecker
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier
    • 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
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
    • 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
    • H04L27/2602—Signal structure
    • H04L27/26025—Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking
    • 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
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
AT05740674T 2004-05-21 2005-05-20 Sender und empfänger für ultrabreitband-ofdm- signale, die eine cdma-schicht niedriger komplexität zur bandbreitenexpansion verwenden ATE535059T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US57304504P 2004-05-21 2004-05-21
US61275304P 2004-09-24 2004-09-24
PCT/IB2005/051658 WO2005114858A1 (en) 2004-05-21 2005-05-20 A transmitter and receiver for ultra-wideband ofdm signals employing a low-complexity cdma layer for bandwidth expansion

Publications (1)

Publication Number Publication Date
ATE535059T1 true ATE535059T1 (de) 2011-12-15

Family

ID=34968362

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05740674T ATE535059T1 (de) 2004-05-21 2005-05-20 Sender und empfänger für ultrabreitband-ofdm- signale, die eine cdma-schicht niedriger komplexität zur bandbreitenexpansion verwenden

Country Status (6)

Country Link
US (1) US8634492B2 (de)
EP (1) EP1754313B1 (de)
JP (1) JP2008500788A (de)
KR (1) KR20070024617A (de)
AT (1) ATE535059T1 (de)
WO (1) WO2005114858A1 (de)

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WO2006076648A2 (en) * 2005-01-14 2006-07-20 Texas Instruments Incorporated Communication system overlap-and-add operation
US7738575B2 (en) * 2005-07-21 2010-06-15 Realtek Semiconductor Corp. Overlap-and-add with DC-offset correction
US20090268678A1 (en) * 2008-04-24 2009-10-29 Fujitsu Limited Method and apparatus for automatic gain control in a mobile orthogonal frequency division multiple access (ofdma) network
JP5302252B2 (ja) * 2010-03-18 2013-10-02 ルネサスエレクトロニクス株式会社 無線通信装置、信号処理方法、及びプログラム
KR101451061B1 (ko) 2011-04-28 2014-10-15 인텔 코포레이션 저 전력 무선 네트워크에서 통신을 위한 방법 및 장치
KR101879677B1 (ko) 2011-08-24 2018-07-19 인텔 코포레이션 저속 ｐｈｙ 구조용 시스템, 방법 및 장치
US9300510B2 (en) 2011-12-08 2016-03-29 Lg Electronics Inc. Method of transmitting and receiving data unit in wireless local area network system and apparatus for the same
US8837375B2 (en) * 2011-12-09 2014-09-16 Qualcomm Incorporated Support for voice over flexible bandwidth carrier systems
US9072094B2 (en) * 2012-10-15 2015-06-30 Qualcomm Incorporated Support for signaling over flexible bandwidth carrier
US20170170998A1 (en) * 2015-12-11 2017-06-15 Nokia Solutions And Networks Oy Pre-combiner interference removal
CN117014033A (zh) * 2022-04-29 2023-11-07 华为技术有限公司 通信方法及相关装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5732113A (en) * 1996-06-20 1998-03-24 Stanford University Timing and frequency synchronization of OFDM signals
FI105437B (fi) * 1998-09-08 2000-08-15 Domiras Oy Menetelmä langattomassa tietoliikennejärjestelmässä, järjestelmä, lähetin ja vastaanotin
KR100370746B1 (ko) * 2000-05-30 2003-02-05 한국전자통신연구원 다차원 직교 자원 도약 다중화 통신 방식 및 장치
US6940827B2 (en) 2001-03-09 2005-09-06 Adaptix, Inc. Communication system using OFDM for one direction and DSSS for another direction
ES2188370B1 (es) * 2001-05-21 2004-10-16 Diseño De Sistemas En Silicio, S.A. Procedimiento para la sincronizacion en el enlace descendente de multiples usuarios en un sistema de transmision punto a multipunto con modulacion ofdm.
KR20030013097A (ko) * 2001-08-07 2003-02-14 삼성전자주식회사 이동통신시스템에서 텔레비전 방송 서비스 장치 및 방법
EP1422852A4 (de) * 2001-08-28 2009-11-11 Ntt Docomo Inc Mehrträger-cdma-übertragungssystem, in dem system verwendete sendevorrichtung und empfangsvorrichtung und mehrträger-cdma-übertragungsverfahren
EP1890391B1 (de) * 2001-09-18 2015-07-01 Electronics and Telecommunications Research Institute Verfahren und System zur digitalen Kommunikation
US7292647B1 (en) * 2002-04-22 2007-11-06 Regents Of The University Of Minnesota Wireless communication system having linear encoder
JP2004158901A (ja) * 2002-11-01 2004-06-03 Kddi Corp Ｏｆｄｍ及びｍｃ−ｃｄｍａを用いる送信装置、システム及び方法
US20050078598A1 (en) * 2003-08-21 2005-04-14 Anuj Batra Enhancement to the multi-band OFDM physical layer
US7809067B2 (en) 2003-10-01 2010-10-05 Nxp B.V. Multi-carrier OFDM UWB communications systems
US7746760B2 (en) * 2004-01-08 2010-06-29 Qualcomm Incorporated Frequency error estimation and frame synchronization in an OFDM system
US7551545B2 (en) * 2004-02-09 2009-06-23 Qualcomm Incorporated Subband-based demodulation for an OFDM-based communication system
US8781043B2 (en) * 2006-11-15 2014-07-15 Qualcomm Incorporated Successive equalization and cancellation and successive mini multi-user detection for wireless communication

Also Published As

Publication number Publication date
US8634492B2 (en) 2014-01-21
KR20070024617A (ko) 2007-03-02
JP2008500788A (ja) 2008-01-10
EP1754313A1 (de) 2007-02-21
US20080212693A1 (en) 2008-09-04
WO2005114858A1 (en) 2005-12-01
EP1754313B1 (de) 2011-11-23

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