CA2773945C - The use of first and second preambles in wireless communication signals - Google Patents

The use of first and second preambles in wireless communication signals Download PDF

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Publication number
CA2773945C
CA2773945C CA2773945A CA2773945A CA2773945C CA 2773945 C CA2773945 C CA 2773945C CA 2773945 A CA2773945 A CA 2773945A CA 2773945 A CA2773945 A CA 2773945A CA 2773945 C CA2773945 C CA 2773945C
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CA
Canada
Prior art keywords
synchronization
preamble
synchronization preamble
signal frame
sequence
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.)
Active
Application number
CA2773945A
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English (en)
French (fr)
Other versions
CA2773945A1 (en
Inventor
Robert Novak
Mo-Han Fong
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.)
Apple Inc
Original Assignee
Apple 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 Apple Inc filed Critical Apple Inc
Publication of CA2773945A1 publication Critical patent/CA2773945A1/en
Application granted granted Critical
Publication of CA2773945C publication Critical patent/CA2773945C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0055—Synchronisation arrangements determining timing error of reception due to propagation delay
    • H04W56/0065—Synchronisation arrangements determining timing error of reception due to propagation delay using measurement of signal travel time
    • H04W56/007—Open loop measurement
    • H04W56/0075—Open loop measurement based on arrival time vs. expected arrival time
    • H04W56/0085—Open loop measurement based on arrival time vs. expected arrival time detecting a given structure in the signal
    • 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
    • H04L27/2603—Signal structure ensuring backward compatibility with legacy system
    • 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
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • 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
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or 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
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26136—Pilot sequence conveying additional information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/0025—Synchronization between nodes synchronizing potentially movable access points
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J2011/0096—Network synchronisation
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2657—Carrier synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
CA2773945A 2009-07-03 2010-07-05 The use of first and second preambles in wireless communication signals Active CA2773945C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US22297609P 2009-07-03 2009-07-03
US61/222,976 2009-07-03
PCT/CA2010/001032 WO2011000109A1 (en) 2009-07-03 2010-07-05 The use of first and second preambles in wireless communication signals

Publications (2)

Publication Number Publication Date
CA2773945A1 CA2773945A1 (en) 2011-01-06
CA2773945C true CA2773945C (en) 2016-03-29

Family

ID=43410417

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2773945A Active CA2773945C (en) 2009-07-03 2010-07-05 The use of first and second preambles in wireless communication signals

Country Status (8)

Country Link
EP (1) EP2449832A4 (https=)
JP (1) JP5830016B2 (https=)
KR (1) KR101614982B1 (https=)
CN (1) CN102550096B (https=)
BR (1) BR112012000075A8 (https=)
CA (1) CA2773945C (https=)
RU (1) RU2541929C2 (https=)
WO (1) WO2011000109A1 (https=)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8488634B2 (en) 2008-07-07 2013-07-16 Apple Inc. Use of first and second preambles in wireless communication signals
WO2014079068A1 (zh) * 2012-11-26 2014-05-30 华为技术有限公司 同步信号的发送、接收方法和装置
CN103532573B (zh) * 2013-08-16 2015-09-23 上海数字电视国家工程研究中心有限公司 数字信号发射方法及装置
WO2015104839A1 (ja) * 2014-01-10 2015-07-16 株式会社日立製作所 無線通信システム、基地局、及びセル選択制御方法
CN111711592B (zh) * 2014-08-25 2023-06-20 韦勒斯标准与技术协会公司 无线通信方法及使用该方法的无线通信终端
CN107079012B (zh) 2014-09-30 2020-02-14 华为技术有限公司 传输数据的方法和装置
CN106161316B (zh) 2015-04-08 2020-12-22 北京三星通信技术研究有限公司 导频序列参考信号发送、接收方法及其装置
WO2016163732A1 (en) * 2015-04-08 2016-10-13 Samsung Electronics Co., Ltd. Method and apparatus for transmitting and receiving preamble based reference signal
RU2719765C1 (ru) * 2016-11-09 2020-04-23 Телефонактиеболагет Лм Эрикссон (Пабл) Адаптация линии связи для одновременной ofdma и не-ofdma сигнализации
CN108390830B (zh) * 2017-02-03 2024-03-05 华为技术有限公司 一种QoS流处理方法、设备和通信系统
DE102017204184A1 (de) 2017-03-14 2018-09-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Authentisierte Bestätigungs- und Aktivierungsnachricht
CN111132304B (zh) * 2019-12-31 2022-01-28 展讯通信（上海）有限公司 自组网的全网同步方法及装置、终端、存储介质
CN113315610B (zh) * 2020-02-27 2024-12-24 北京新岸线移动多媒体技术有限公司 一种无线通信方法及装置
KR102646758B1 (ko) * 2022-06-16 2024-03-11 국방과학연구소 네트워크 망 동기 방법 및 이를 수행하는 노드
CN121604179A (zh) * 2024-08-15 2026-03-03 华为技术有限公司 一种通信方法和装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6370134B1 (en) * 1997-07-17 2002-04-09 Matsushita Electric Industrial Co., Ltd. CDMA radio communication apparatus
US6487184B1 (en) * 2000-08-25 2002-11-26 Motorola, Inc. Method and apparatus for supporting radio acknowledgement information for a uni-directional user data channel
CN100512066C (zh) * 2001-11-29 2009-07-08 美商内数位科技公司 于小区搜寻中使用主要及次要同步码的系统及方法
WO2006023536A2 (en) * 2004-08-16 2006-03-02 Zte San Diego, Inc. Fast cell search and accurate sznchronization in wireless communications
US7616679B2 (en) * 2006-03-29 2009-11-10 Posdata Co., Ltd. Method and apparatus for searching cells utilizing down link preamble signal
US8050223B2 (en) * 2007-04-12 2011-11-01 Wi-Lan Inc. System and method for facilitating co-channel and co-existence via enhanced frame preambles
JP4465374B2 (ja) * 2007-08-14 2010-05-19 株式会社エヌ・ティ・ティ・ドコモ 無線通信システム、基地局装置及び送信方法
US9119132B2 (en) * 2007-10-10 2015-08-25 Qualcomm Incorporated Efficient system identification schemes for communication systems
KR101058166B1 (ko) * 2007-12-18 2011-08-24 중앙대학교 산학협력단 계층 구조의 셀룰러 시스템에서 핸드오버 시의 오버헤드를줄이기 위한 프리앰블 설계 방법
US8374139B2 (en) * 2009-03-27 2013-02-12 Mediatek Inc. Low latency synchronization scheme for wireless OFDMA systems

Also Published As

Publication number Publication date
EP2449832A4 (en) 2017-07-12
WO2011000109A1 (en) 2011-01-06
BR112012000075A2 (pt) 2017-07-25
JP5830016B2 (ja) 2015-12-09
JP2013510451A (ja) 2013-03-21
HK1173025A1 (en) 2013-05-03
CA2773945A1 (en) 2011-01-06
CN102550096A (zh) 2012-07-04
KR101614982B1 (ko) 2016-04-22
RU2541929C2 (ru) 2015-02-20
CN102550096B (zh) 2015-07-08
EP2449832A1 (en) 2012-05-09
RU2012103043A (ru) 2013-08-10
KR20140020176A (ko) 2014-02-18
BR112012000075A8 (pt) 2017-09-19

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Legal Events

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EEER Examination request
H11 Ip right ceased following rejected request for revival

Free format text: ST27 STATUS EVENT CODE: T-6-6-H10-H11-H101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: TIME LIMIT FOR REVERSAL EXPIRED

Effective date: 20250106