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ATE528895T1 - Bereichserweiterungsverfahren für ein drahtloses lan - Google Patents

Bereichserweiterungsverfahren für ein drahtloses lan

Info

Publication number
ATE528895T1
ATE528895T1 AT06850946T AT06850946T ATE528895T1 AT E528895 T1 ATE528895 T1 AT E528895T1 AT 06850946 T AT06850946 T AT 06850946T AT 06850946 T AT06850946 T AT 06850946T AT E528895 T1 ATE528895 T1 AT E528895T1
Authority
AT
Austria
Prior art keywords
frequency error
receiving station
packet transmissions
transmitting station
techniques
Prior art date
Application number
AT06850946T
Other languages
English (en)
Inventor
Mark S Wallace
Jay Rodney Walton
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE528895T1 publication Critical patent/ATE528895T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • 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
    • H04L27/2602Signal structure
    • H04L27/261Details of reference signals
    • H04L27/2613Structure of the reference signals
    • 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
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2657Carrier synchronisation
    • 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
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2668Details of algorithms
    • H04L27/2673Details of algorithms characterised by synchronisation parameters
    • H04L27/2675Pilot or known symbols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/04Terminal devices adapted for relaying to or from another terminal or user
    • 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
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2656Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe synchronisation
    • 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
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2668Details of algorithms
    • H04L27/2673Details of algorithms characterised by synchronisation parameters
    • H04L27/2676Blind, i.e. without using known symbols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/02Hybrid access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10Small scale networks; Flat hierarchical networks
    • H04W84/12WLAN [Wireless Local Area Networks]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)
AT06850946T 2005-12-13 2006-12-13 Bereichserweiterungsverfahren für ein drahtloses lan ATE528895T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75018305P 2005-12-13 2005-12-13
PCT/US2006/062033 WO2007120331A2 (en) 2005-12-13 2006-12-13 Range extension techniques for a wireless local area network

Publications (1)

Publication Number Publication Date
ATE528895T1 true ATE528895T1 (de) 2011-10-15

Family

ID=38610004

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06850946T ATE528895T1 (de) 2005-12-13 2006-12-13 Bereichserweiterungsverfahren für ein drahtloses lan

Country Status (8)

Country Link
US (3) US8064414B2 (de)
EP (1) EP1969794B1 (de)
JP (2) JP5123205B2 (de)
KR (1) KR20080075919A (de)
CN (2) CN101379788B (de)
AT (1) ATE528895T1 (de)
TW (1) TW200737846A (de)
WO (1) WO2007120331A2 (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8064414B2 (en) 2005-12-13 2011-11-22 Qualcomm, Incorporated Range extension techniques for a wireless local area network
US8005169B1 (en) 2006-03-17 2011-08-23 Marvell International Ltd. Joint estimation of channel and preamble sequence for orthogonal frequency division multiplexing systems
US8064546B2 (en) * 2007-06-14 2011-11-22 Texas Instruments Incorporated Random access preamble detection for long term evolution wireless networks
US8411805B1 (en) 2007-08-14 2013-04-02 Marvell International Ltd. Joint estimation of channel and preamble sequence for orthogonal frequency division multiplexing systems
EP2075973B1 (de) * 2007-12-28 2018-08-15 Telefonaktiebolaget LM Ericsson (publ) Identifizierung einer sequenz von empfangener referenzsymbolen
US8477830B2 (en) 2008-03-18 2013-07-02 On-Ramp Wireless, Inc. Light monitoring system using a random phase multiple access system
US8958460B2 (en) 2008-03-18 2015-02-17 On-Ramp Wireless, Inc. Forward error correction media access control system
US8520721B2 (en) 2008-03-18 2013-08-27 On-Ramp Wireless, Inc. RSSI measurement mechanism in the presence of pulsed jammers
US8503283B2 (en) * 2008-06-12 2013-08-06 Nokia Corporation Channel access protocol for wireless communication
US8363699B2 (en) 2009-03-20 2013-01-29 On-Ramp Wireless, Inc. Random timing offset determination
US8699636B2 (en) * 2009-08-07 2014-04-15 Ben Wild Long range radio frequency identification system
CN101998474B (zh) * 2009-08-13 2012-07-18 电信科学技术研究院 一种载波聚合技术中的无线链路失败判决方法及装置
US8503553B2 (en) * 2009-12-17 2013-08-06 Texas Instruments Incorporated Pilot subcarriers in wireless transmissions
EP2671337B1 (de) 2011-02-04 2018-04-11 Marvell World Trade Ltd. Kontrollmodus-phy für wlan
US9432077B2 (en) * 2012-02-08 2016-08-30 Texas Instruments Incorporated DSSS preamble detection for smart utility networks
US9081079B2 (en) * 2012-05-02 2015-07-14 Qualcomm Incorporated Adaptive updating of indoor navigation assistance data for use by a mobile device
US9367718B2 (en) 2012-10-22 2016-06-14 Iotera, Inc. Methods for enabling low-power RFID communication
JP6175445B2 (ja) 2012-10-30 2017-08-02 パナソニック株式会社 送信装置、受信装置、送信方法及び受信方法
JP5961109B2 (ja) 2012-12-26 2016-08-02 パナソニック株式会社 受信装置及び周波数誤差補正方法
US9119144B2 (en) 2013-02-25 2015-08-25 Qualcomm Incorporated Method and apparatus for generation of balanced weight preamble sequences
US8787432B1 (en) * 2013-03-14 2014-07-22 Harris Corporation HF communication system with decoding operations and related methods
US8798221B1 (en) 2013-03-15 2014-08-05 Qualcomm Incorporated Method and apparatus for efficient acquisition of preambles with enhanced interference mitigation
US10194006B2 (en) 2013-10-25 2019-01-29 Marvell World Trade Ltd. Physical layer frame format for WLAN
JP6464493B2 (ja) 2013-10-25 2019-02-06 マーベル ワールド トレード リミテッド WiFi用の距離延長モード
US10218822B2 (en) 2013-10-25 2019-02-26 Marvell World Trade Ltd. Physical layer frame format for WLAN
US9615386B2 (en) * 2014-01-27 2017-04-04 Texas Instruments Incorporated Random access channel false alarm control
US20150271822A1 (en) * 2014-03-20 2015-09-24 Qualcomm Incorporated Systems, apparatus and methods for improving system acquisition performance in multi-sim wireless devices
US9877174B2 (en) 2014-10-15 2018-01-23 Intel IP Corporation Systems, methods, and devices for extending range of wireless networks
US10630409B2 (en) * 2015-06-05 2020-04-21 Sony Semiconductor Solutions Corporation Signal processing device and method thereof
US10462063B2 (en) 2016-01-22 2019-10-29 Samsung Electronics Co., Ltd. Method and apparatus for detecting packet
US10269279B2 (en) 2017-03-24 2019-04-23 Misapplied Sciences, Inc. Display system and method for delivering multi-view content
US10427045B2 (en) 2017-07-12 2019-10-01 Misapplied Sciences, Inc. Multi-view (MV) display systems and methods for quest experiences, challenges, scavenger hunts, treasure hunts and alternate reality games
US10565616B2 (en) 2017-07-13 2020-02-18 Misapplied Sciences, Inc. Multi-view advertising system and method
US10404974B2 (en) 2017-07-21 2019-09-03 Misapplied Sciences, Inc. Personalized audio-visual systems
US10778962B2 (en) 2017-11-10 2020-09-15 Misapplied Sciences, Inc. Precision multi-view display
EP3657748B1 (de) * 2018-11-20 2021-07-28 Mitsubishi Electric R&D Centre Europe B.V. Präambelsymbolgenerator und verfahren dafür zur dft-spread-ofdm-modulation
US11909530B2 (en) 2019-01-10 2024-02-20 Interdigital Patent Holdings, Inc. Methods and WTRUs of providing range extension for WLAN
WO2023050435A1 (zh) * 2021-09-30 2023-04-06 华为技术有限公司 一种用于无线保真Wi-Fi系统的通信方法及装置
CN114859385B (zh) * 2022-04-19 2025-07-29 中国科学院国家空间科学中心 一种gnss干涉测高中时分复用非相干累加系统及方法

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5177765A (en) * 1991-06-03 1993-01-05 Spectralink Corporation Direct-sequence spread-spectrum digital signal acquisition and tracking system and method therefor
JPH05145515A (ja) * 1991-11-19 1993-06-11 Canon Inc スペクトル拡散通信装置
CN1101088C (zh) 1995-06-05 2003-02-05 西尔可穆无线公司 有效的时分双工通信的定时调整控制
US6307868B1 (en) * 1995-08-25 2001-10-23 Terayon Communication Systems, Inc. Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end modem with no tracking loops
JP3617741B2 (ja) 1996-10-23 2005-02-09 松下電器産業株式会社 スペクトラム拡散通信用受信装置
JP2988398B2 (ja) 1996-11-27 1999-12-13 日本電気株式会社 ユニークワード遅延検波方式および復調装置
US6134286A (en) 1997-10-14 2000-10-17 Ericsson Inc. Synchronization techniques and systems for radiocommunication
US6678310B1 (en) 1998-01-16 2004-01-13 Intersil Americas Inc Wireless local area network spread spectrum transceiver with multipath mitigation
US6249539B1 (en) 1998-06-15 2001-06-19 Qualcomm Incorporated System and method for narrowing the range of frequency uncertainty of a doppler shifted signal
US6211820B1 (en) 1998-09-09 2001-04-03 Qualcomm Incorporated Call maintainance during position location
US6798736B1 (en) * 1998-09-22 2004-09-28 Qualcomm Incorporated Method and apparatus for transmitting and receiving variable rate data
US6567482B1 (en) 1999-03-05 2003-05-20 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for efficient synchronization in spread spectrum communications
JP3596442B2 (ja) 1999-07-19 2004-12-02 日本電信電話株式会社 無線パケット通信用ofdm受信装置
KR200172616Y1 (ko) 1999-10-06 2000-03-15 오정수 간이 목욕탕
US7411921B2 (en) * 1999-10-21 2008-08-12 Rf Technologies, Inc. Method and apparatus for integrating wireless communication and asset location
EP1107471B1 (de) 1999-12-10 2006-03-08 Lucent Technologies Inc. Zeitmultiplex Rake-Finger für WCDMA
JP2001217345A (ja) 2000-01-31 2001-08-10 Kyocera Corp 多層配線基板
US6912403B2 (en) * 2000-06-09 2005-06-28 Nortel Networks Limited Method and apparatus for fast forward-link power control and synchronization of base stations
EP1178630A1 (de) * 2000-07-31 2002-02-06 Lucent Technologies Inc. Drahtloses lokales Netzwerk mit verbesserter Trägererfassung
US7447639B2 (en) * 2001-01-24 2008-11-04 Nokia Corporation System and method for error concealment in digital audio transmission
CN1150709C (zh) * 2001-02-28 2004-05-19 信息产业部电信传输研究所 Cdma蜂窝系统两级变码片速率扩频和解扩方法
US6928105B2 (en) * 2001-05-03 2005-08-09 Agere Systems Inc. Vector tree correlator for variable spreading rates
US7639617B2 (en) 2001-06-27 2009-12-29 Cisco Technology, Inc. Upstream physical interface for modular cable modem termination system
US7099380B1 (en) 2001-11-16 2006-08-29 Marvell International Ltd. Apparatus for antenna diversity for wireless communication and method thereof
US8045935B2 (en) * 2001-12-06 2011-10-25 Pulse-Link, Inc. High data rate transmitter and receiver
EP1642416B1 (de) 2003-06-25 2008-10-29 Nxp B.V. Dekodierer für rahmenformat und trainingssequenzgenerator für drahtlose lokalbereichsnetzwerke
WO2004114537A1 (en) * 2003-06-25 2004-12-29 Koninklijke Philips Electronics N.V. Barker code detector
SE0302233D0 (sv) * 2003-08-18 2003-08-18 Infineon Technologies Ag Sliding window
JP4346465B2 (ja) 2003-09-29 2009-10-21 三洋電機株式会社 受信方法および装置
US7746760B2 (en) 2004-01-08 2010-06-29 Qualcomm Incorporated Frequency error estimation and frame synchronization in an OFDM system
US8000377B2 (en) * 2004-05-24 2011-08-16 General Dynamics C4 Systems, Inc. System and method for variable rate multiple access short message communications
US7539208B2 (en) * 2004-05-25 2009-05-26 Cisco Technology, Inc. Timing system for modular cable modem termination system
EP1779572A1 (de) 2004-08-13 2007-05-02 IPWireless, Inc. Intrabild-codediversität
US7330736B2 (en) * 2004-12-17 2008-02-12 Bbn Technologies Corp. Methods and apparatus for reduced energy communication in an ad hoc network
US7532685B2 (en) * 2005-03-31 2009-05-12 Alcatel-Lucent Usa Inc. Methods of controlling tracker bandwidth in wireless communication systems
US7606288B2 (en) 2005-05-27 2009-10-20 S5 Wireless, Inc. Burst spread spectrum radio system and method for asset tracking and data telemetry
TWI274469B (en) * 2005-09-29 2007-02-21 Sunplus Technology Co Ltd System capable of executing preamble detection, symbol time sequence recovery and frequency offset estimation, and its method
US8064414B2 (en) 2005-12-13 2011-11-22 Qualcomm, Incorporated Range extension techniques for a wireless local area network

Also Published As

Publication number Publication date
JP5611925B2 (ja) 2014-10-22
JP5123205B2 (ja) 2013-01-23
US20120127978A1 (en) 2012-05-24
US8712400B2 (en) 2014-04-29
TW200737846A (en) 2007-10-01
CN101379788A (zh) 2009-03-04
US20120114019A1 (en) 2012-05-10
CN101379788B (zh) 2013-10-16
KR20080075919A (ko) 2008-08-19
WO2007120331A3 (en) 2008-06-12
EP1969794A2 (de) 2008-09-17
US20070183370A1 (en) 2007-08-09
EP1969794B1 (de) 2011-10-12
CN102142858A (zh) 2011-08-03
JP2012114922A (ja) 2012-06-14
JP2009519689A (ja) 2009-05-14
CN102142858B (zh) 2014-02-19
WO2007120331A2 (en) 2007-10-25
US8792877B2 (en) 2014-07-29
US8064414B2 (en) 2011-11-22

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