CN104813601A - 促进时分双工系统中的定时恢复的机制 - Google Patents

促进时分双工系统中的定时恢复的机制 Download PDF

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Publication number
CN104813601A
CN104813601A CN201380058900.5A CN201380058900A CN104813601A CN 104813601 A CN104813601 A CN 104813601A CN 201380058900 A CN201380058900 A CN 201380058900A CN 104813601 A CN104813601 A CN 104813601A
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CN
China
Prior art keywords
receiver
downstream
tdd
communication system
inactivity
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.)
Pending
Application number
CN201380058900.5A
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English (en)
Chinese (zh)
Inventor
马西莫·索巴拉
威廉·爱德华·基斯利尔
彼得·凯勒
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.)
Yi Kanuosi Communication Common Carrier
Original Assignee
Yi Kanuosi Communication Common Carrier
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 Yi Kanuosi Communication Common Carrier filed Critical Yi Kanuosi Communication Common Carrier
Publication of CN104813601A publication Critical patent/CN104813601A/zh
Pending legal-status Critical Current

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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
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2656—Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe 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
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • 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
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • 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
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1438—Negotiation of transmission parameters prior to communication
    • 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
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L2007/045—Fill bit or bits, idle words
    • 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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • 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
    • H04L5/0078—Timing of allocation
    • H04L5/008—Timing of allocation once only, on installation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Bidirectional Digital Transmission (AREA)
CN201380058900.5A 2012-10-29 2013-10-29 促进时分双工系统中的定时恢复的机制 Pending CN104813601A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261719784P 2012-10-29 2012-10-29
US61/719,784 2012-10-29
PCT/US2013/067247 WO2014070728A1 (en) 2012-10-29 2013-10-29 Mechanism to facilitate timing recovery in time division duplex systems

Publications (1)

Publication Number Publication Date
CN104813601A true CN104813601A (zh) 2015-07-29

Family

ID=50547110

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380058900.5A Pending CN104813601A (zh) 2012-10-29 2013-10-29 促进时分双工系统中的定时恢复的机制

Country Status (6)

Country Link
US (1) US20140119250A1 (cg-RX-API-DMAC7.html)
EP (1) EP2912792A4 (cg-RX-API-DMAC7.html)
JP (1) JP2016507913A (cg-RX-API-DMAC7.html)
KR (1) KR20150080549A (cg-RX-API-DMAC7.html)
CN (1) CN104813601A (cg-RX-API-DMAC7.html)
WO (1) WO2014070728A1 (cg-RX-API-DMAC7.html)

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CN113037428A (zh) * 2019-12-09 2021-06-25 大唐移动通信设备有限公司 一种对数据流程的处理方法及装置

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US8731542B2 (en) 2005-08-11 2014-05-20 Seven Networks International Oy Dynamic adjustment of keep-alive message intervals in a mobile network
US20140161000A1 (en) * 2012-12-10 2014-06-12 Futurewei Technologies, Inc. Timing offset correction in a tdd vectored system
EP2949114B1 (en) * 2013-03-11 2017-02-01 Huawei Technologies Co., Ltd. Control and management of power saving link states in vectored tdd transmission systems
CN107395474A (zh) * 2017-09-06 2017-11-24 嘉兴佳利电子有限公司 一种一体化G.fast反向供电兼容xDSL的FTTx铜缆入户装置
CN109756318B (zh) * 2017-11-06 2021-09-07 华为技术有限公司 导频信息传输方法及相关设备
EP3940972B1 (en) * 2020-07-16 2024-07-10 Socionext Inc. Communication systems, apparatuses and methods
US12040802B1 (en) * 2023-03-15 2024-07-16 Realtek Semiconductor Corporation Digital subscriber line communication device and timing recovery method thereof

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US20040136405A1 (en) * 2002-11-14 2004-07-15 Guozhu Long Obtaining and maintaining TTR synchronization during DSL transceiver channel discovery phase in presence of TCM-ISDN noise
WO2006136660A1 (en) * 2005-06-21 2006-12-28 Seven Networks International Oy Maintaining an ip connection in a mobile network
CN101159883A (zh) * 2007-11-29 2008-04-09 福建星网锐捷网络有限公司 堆叠交换机系统及堆叠交换机系统的保活方法
CN101242417A (zh) * 2008-03-03 2008-08-13 中兴通讯股份有限公司 一种接入用户的ip保活方法及接入服务器

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US6724849B1 (en) * 2000-02-29 2004-04-20 Centillium Communications, Inc. Method and apparatus for timing recovery in ADSL transceivers under a TCM-ISDN crosstalk environment
US6546043B1 (en) * 2000-06-29 2003-04-08 Trw Inc. Method and apparatus for cancellation of multiple access interference in a code division multiple access (CDMA) communication system
SE522709C2 (sv) 2002-07-05 2004-03-02 Elekta Ab Strålterapiapparat med flera uppsättningar hål i kollimatorhjälmen där förskjutbara plattor bestämmer vilka håluppsättningar som strålkällorna ska använda, samt metod att variera strålfältet
US20050047496A1 (en) * 2003-08-13 2005-03-03 Mcintire William K. Modem with pilot symbol synchronization
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WO2006136660A1 (en) * 2005-06-21 2006-12-28 Seven Networks International Oy Maintaining an ip connection in a mobile network
CN101159883A (zh) * 2007-11-29 2008-04-09 福建星网锐捷网络有限公司 堆叠交换机系统及堆叠交换机系统的保活方法
CN101242417A (zh) * 2008-03-03 2008-08-13 中兴通讯股份有限公司 一种接入用户的ip保活方法及接入服务器

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113037428A (zh) * 2019-12-09 2021-06-25 大唐移动通信设备有限公司 一种对数据流程的处理方法及装置

Also Published As

Publication number Publication date
US20140119250A1 (en) 2014-05-01
WO2014070728A1 (en) 2014-05-08
EP2912792A1 (en) 2015-09-02
WO2014070728A8 (en) 2015-06-11
JP2016507913A (ja) 2016-03-10
KR20150080549A (ko) 2015-07-09
EP2912792A4 (en) 2016-06-29

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Application publication date: 20150729