EP2449832A4 - 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
EP2449832A4
EP2449832A4 EP10793486.1A EP10793486A EP2449832A4 EP 2449832 A4 EP2449832 A4 EP 2449832A4 EP 10793486 A EP10793486 A EP 10793486A EP 2449832 A4 EP2449832 A4 EP 2449832A4
Authority
EP
European Patent Office
Prior art keywords
preambles
wireless communication
communication signals
signals
wireless
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.)
Withdrawn
Application number
EP10793486.1A
Other languages
German (de)
French (fr)
Other versions
EP2449832A1 (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 EP2449832A1 publication Critical patent/EP2449832A1/en
Publication of EP2449832A4 publication Critical patent/EP2449832A4/en
Withdrawn legal-status Critical Current

Links

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
EP10793486.1A 2009-07-03 2010-07-05 The use of first and second preambles in wireless communication signals Withdrawn EP2449832A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22297609P 2009-07-03 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
EP2449832A1 EP2449832A1 (en) 2012-05-09
EP2449832A4 true EP2449832A4 (en) 2017-07-12

Family

ID=43410417

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10793486.1A Withdrawn EP2449832A4 (en) 2009-07-03 2010-07-05 The use of first and second preambles in wireless communication signals

Country Status (9)

Country Link
EP (1) EP2449832A4 (en)
JP (1) JP5830016B2 (en)
KR (1) KR101614982B1 (en)
CN (1) CN102550096B (en)
BR (1) BR112012000075A8 (en)
CA (1) CA2773945C (en)
HK (1) HK1173025A1 (en)
RU (1) RU2541929C2 (en)
WO (1) WO2011000109A1 (en)

Families Citing this family (13)

* 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 (en) * 2012-11-26 2014-05-30 华为技术有限公司 Method and apparatus for sending and receiving synchronous signal
CN103532573B (en) * 2013-08-16 2015-09-23 上海数字电视国家工程研究中心有限公司 Digital signal transmission method and device
WO2015104839A1 (en) * 2014-01-10 2015-07-16 株式会社日立製作所 Wireless communication system, base station, and cell selection control method
KR102499573B1 (en) 2014-08-25 2023-02-16 주식회사 윌러스표준기술연구소 A wireless communication method and a wireless communication terminal using the same
WO2016050093A1 (en) 2014-09-30 2016-04-07 华为技术有限公司 Data transmission method and apparatus
WO2016163732A1 (en) * 2015-04-08 2016-10-13 Samsung Electronics Co., Ltd. Method and apparatus for transmitting and receiving preamble based reference signal
CN106161316B (en) 2015-04-08 2020-12-22 北京三星通信技术研究有限公司 Method and device for sending and receiving pilot sequence reference signal
RU2719765C1 (en) * 2016-11-09 2020-04-23 Телефонактиеболагет Лм Эрикссон (Пабл) Adaptation of communication line for simultaneous ofdma and non-ofdma signalling
CN109005127B (en) * 2017-02-03 2020-03-10 华为技术有限公司 QoS flow processing method, device and communication system
DE102017204184A1 (en) 2017-03-14 2018-09-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Authenticated confirmation and activation message
CN111132304B (en) * 2019-12-31 2022-01-28 展讯通信（上海）有限公司 Whole network synchronization method and device of ad hoc network, terminal and storage medium
KR102646758B1 (en) * 2022-06-16 2024-03-11 국방과학연구소 Network synchronization method and node performing the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030133431A1 (en) * 2001-11-29 2003-07-17 Interdigital Technology Corporation System and method using primary and secondary synchronization codes during cell search
US20080253320A1 (en) * 2007-04-12 2008-10-16 Nextwave Broadband Inc. System and Method for Facilitating Co-Channel and Co-Existence Via Enhanced Frame Preambles
US20090129298A1 (en) * 2007-10-10 2009-05-21 Qualcomm Incorporated Efficient system identification schemes for communication systems

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1447918B1 (en) * 1997-07-17 2008-02-27 Matsushita Electric Industrial Co., Ltd. A synchronization method for a CDMA system
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
US7496113B2 (en) * 2004-08-16 2009-02-24 Zte (Usa) Inc. Fast cell search and accurate synchronization 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
JP4465374B2 (en) * 2007-08-14 2010-05-19 株式会社エヌ・ティ・ティ・ドコモ Wireless communication system, base station apparatus, and transmission method
KR101058166B1 (en) * 2007-12-18 2011-08-24 중앙대학교 산학협력단 Preamble Design Method for Reducing Handover Overhead in Hierarchical Cellular Systems
US8374139B2 (en) * 2009-03-27 2013-02-12 Mediatek Inc. Low latency synchronization scheme for wireless OFDMA systems

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030133431A1 (en) * 2001-11-29 2003-07-17 Interdigital Technology Corporation System and method using primary and secondary synchronization codes during cell search
US20080253320A1 (en) * 2007-04-12 2008-10-16 Nextwave Broadband Inc. System and Method for Facilitating Co-Channel and Co-Existence Via Enhanced Frame Preambles
US20090129298A1 (en) * 2007-10-10 2009-05-21 Qualcomm Incorporated Efficient system identification schemes for communication systems

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Synchronization signals for LTE", 3GPP DRAFT; R1-073023, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Orlando, USA; 20070620, 20 June 2007 (2007-06-20), XP050106683 *
See also references of WO2011000109A1 *

Also Published As

Publication number Publication date
WO2011000109A1 (en) 2011-01-06
HK1173025A1 (en) 2013-05-03
RU2541929C2 (en) 2015-02-20
EP2449832A1 (en) 2012-05-09
CA2773945C (en) 2016-03-29
CN102550096A (en) 2012-07-04
KR20140020176A (en) 2014-02-18
RU2012103043A (en) 2013-08-10
CN102550096B (en) 2015-07-08
CA2773945A1 (en) 2011-01-06
JP2013510451A (en) 2013-03-21
JP5830016B2 (en) 2015-12-09
BR112012000075A8 (en) 2017-09-19
BR112012000075A2 (en) 2017-07-25
KR101614982B1 (en) 2016-04-22

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Owner name: APPLE INC.

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