CN107005955A - 时间同步方法、设备及系统 - Google Patents
时间同步方法、设备及系统 Download PDFInfo
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- CN107005955A CN107005955A CN201580061737.7A CN201580061737A CN107005955A CN 107005955 A CN107005955 A CN 107005955A CN 201580061737 A CN201580061737 A CN 201580061737A CN 107005955 A CN107005955 A CN 107005955A
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- 238000000034 method Methods 0.000 title claims abstract description 62
- 230000001360 synchronised effect Effects 0.000 claims abstract description 108
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims description 23
- 108010001267 Protein Subunits Proteins 0.000 claims description 7
- 238000004891 communication Methods 0.000 abstract description 13
- 125000004122 cyclic group Chemical group 0.000 description 17
- 230000008569 process Effects 0.000 description 4
- 230000007774 longterm Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2662—Arrangements for Wireless System Synchronisation
- H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
- H04B7/2678—Time synchronisation
- H04B7/2687—Inter base stations synchronisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0016—Hand-off preparation specially adapted for end-to-end data sessions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/249—Reselection being triggered by specific parameters according to timing information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
- H04W56/002—Mutual synchronization
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0077—Transmission or use of information for re-establishing the radio link of access information of target access point
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
本发明提供了一种时间同步方法、设备及系统,涉及通信领域,所述方法包括:接收源基站发送的用于请求与所述目标基站进行时间同步的切换请求;向所述源基站发送切换请求确认信息,所述切换请求确认信息中包括用于指示所述源基站是否与所述目标基站进行时间同步的信息。本发明中的源基站可以根据目标基站发送的切换请求确认信息,确定是否需要与目标基站进行时间同步,丰富了目标基站发送的切换请求确认信息的内容,并且提高了源基站与目标基站在切换过程中进行时间同步的灵活性。
Description
PCT国内申请,说明书已公开。
Claims (26)
- PCT国内申请,权利要求书已公开。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2015/086405 WO2017024452A1 (zh) | 2015-08-07 | 2015-08-07 | 时间同步方法、设备及系统 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107005955A true CN107005955A (zh) | 2017-08-01 |
CN107005955B CN107005955B (zh) | 2020-02-21 |
Family
ID=57982955
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201580061737.7A Active CN107005955B (zh) | 2015-08-07 | 2015-08-07 | 时间同步方法、设备及系统 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10631209B2 (zh) |
EP (1) | EP3316630B1 (zh) |
CN (1) | CN107005955B (zh) |
WO (1) | WO2017024452A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109314896A (zh) * | 2018-09-04 | 2019-02-05 | 北京小米移动软件有限公司 | 小区切换方法、装置及可读存储介质 |
WO2022067639A1 (en) * | 2020-09-30 | 2022-04-07 | Lenovo (Beijing) Limited | Method and apparatus for time synchronization |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3316630B1 (en) * | 2015-08-07 | 2022-03-30 | Huawei Technologies Co., Ltd. | Time synchronization method, device and system |
KR102372029B1 (ko) * | 2017-09-07 | 2022-03-08 | 삼성전자주식회사 | 이동성 기반의 임의 접속 방법 및 장치 |
WO2020077577A1 (zh) * | 2018-10-17 | 2020-04-23 | Oppo广东移动通信有限公司 | 数据包传输方法和设备 |
EP4054243A4 (en) * | 2019-10-30 | 2022-11-02 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | METHOD AND DEVICE FOR MANAGING INTERCELLULAR TRANSFER, AND STORAGE MEDIUM |
CN111901864A (zh) * | 2020-04-14 | 2020-11-06 | 中兴通讯股份有限公司 | 时钟同步方法、装置和存储介质 |
CN118891936A (zh) * | 2022-03-29 | 2024-11-01 | 中兴通讯股份有限公司 | 无线通信中的时间同步区域 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102547961A (zh) * | 2010-12-10 | 2012-07-04 | 华为技术有限公司 | 基站间同步的方法、装置及系统 |
JP2013093730A (ja) * | 2011-10-25 | 2013-05-16 | Fujitsu Ltd | 無線通信システム、移動局、基地局及び通信制御方法 |
CN103797869A (zh) * | 2013-07-01 | 2014-05-14 | 华为技术有限公司 | 空口同步的方法、基站、控制装置及无线通信系统 |
US20140286261A1 (en) * | 2008-04-28 | 2014-09-25 | Lg Electronics Inc. | Random access channel preamble selection |
Family Cites Families (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5542115A (en) * | 1994-06-24 | 1996-07-30 | Pioneer Tech Development Limited | Paging method and apparatus |
US6307840B1 (en) * | 1997-09-19 | 2001-10-23 | Qualcomm Incorporated | Mobile station assisted timing synchronization in CDMA communication system |
US6628642B1 (en) * | 1999-08-25 | 2003-09-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Synchronization deviation detection |
US7082303B2 (en) * | 2001-06-12 | 2006-07-25 | Motorola, Inc. | Method for supporting rescue channels in a communications system |
KR100594110B1 (ko) * | 2003-03-08 | 2006-07-03 | 삼성전자주식회사 | 광대역 무선 접속 통신 시스템에서 트래픽 상태에서의 핸드오프 시스템 및 방법 |
JP4102692B2 (ja) * | 2003-03-25 | 2008-06-18 | 富士通株式会社 | 無線基地局装置および基地局制御装置 |
US20040202119A1 (en) * | 2003-04-10 | 2004-10-14 | Edge Stephen William | Base station synchronization in a wireless network |
US7047009B2 (en) * | 2003-12-05 | 2006-05-16 | Flarion Technologies, Inc. | Base station based methods and apparatus for supporting break before make handoffs in a multi-carrier system |
US7212821B2 (en) * | 2003-12-05 | 2007-05-01 | Qualcomm Incorporated | Methods and apparatus for performing handoffs in a multi-carrier wireless communications system |
KR100893860B1 (ko) * | 2004-06-10 | 2009-04-20 | 엘지전자 주식회사 | 광대역 무선 접속 시스템에 적용되는 핸드오버 수행 방법및 핸드오버 실패시 통신 재개 방법 |
KR100734575B1 (ko) * | 2005-01-31 | 2007-07-02 | 가부시키가이샤 히다치 고쿠사이 덴키 | 기지국간 동기시스템과 방법 및 기지국 |
KR20080004549A (ko) * | 2005-03-30 | 2008-01-09 | 노키아 코포레이션 | 회선 교환 및 패킷 교환 리소스들이 결합된 핸드오버 |
KR100770838B1 (ko) * | 2005-05-11 | 2007-10-26 | 삼성전자주식회사 | 이동통신시스템에서의 핸드오버 방법과 그를 위한 이동통신시스템의 무선 네트워크 제어기 |
TW200729990A (en) * | 2005-12-22 | 2007-08-01 | Interdigital Tech Corp | Method and system for adjusting uplink transmission timing immediately for long term evolution handover |
US7962139B2 (en) * | 2006-06-20 | 2011-06-14 | Texas Instruments Incorporated | Reduction of handover latencies in a wireless communication system |
WO2007149509A2 (en) * | 2006-06-20 | 2007-12-27 | Interdigital Technology Corporation | Handover in a long term evolution (lte) wireless communication system |
GB0616682D0 (en) * | 2006-08-22 | 2006-10-04 | Nec Corp | Mobile telecommunications |
EP1909520A1 (en) * | 2006-10-02 | 2008-04-09 | Matsushita Electric Industrial Co., Ltd. | Transmission and reception of system information upon changing connectivity or point of attachment in a mobile communication system |
EP1909523A1 (en) * | 2006-10-02 | 2008-04-09 | Matsushita Electric Industrial Co., Ltd. | Improved acquisition of system information of another cell |
US20100232327A1 (en) * | 2006-11-16 | 2010-09-16 | Electronics And Telecommunications Research Instiu | Method for handover procedure of user terminal during power saving operation in cellular system |
US8121094B2 (en) * | 2006-12-04 | 2012-02-21 | Electronics And Telecommunications Research Institute | Method for managing cross-layer handover |
KR101033689B1 (ko) * | 2007-03-15 | 2011-05-12 | 한국전자통신연구원 | 이동 통신 시스템에서의 프리앰블 할당 방법 및 임의 접속방법 |
JP4825913B2 (ja) * | 2007-03-20 | 2011-11-30 | 富士通株式会社 | ハンドオーバ処理による転送遅延を軽減できる基地局及びその方法 |
CN101690324A (zh) * | 2007-03-21 | 2010-03-31 | 诺基亚公司 | 用于切换时的数据转发的方法、设备和计算机程序产品 |
US8218500B2 (en) * | 2007-04-30 | 2012-07-10 | Texas Instruments Incorporated | Pre-synchronization method for hard handovers in wireless networks |
CN101299876B (zh) * | 2007-04-30 | 2011-07-06 | 华为技术有限公司 | 同步方法、通信切换方法、无线网络以及节点 |
US8830818B2 (en) * | 2007-06-07 | 2014-09-09 | Qualcomm Incorporated | Forward handover under radio link failure |
JP5087084B2 (ja) * | 2007-08-07 | 2012-11-28 | シャープ株式会社 | 移動通信システム、移動局装置、基地局装置、通信方法、通信制御方法 |
EP2178335A1 (en) * | 2007-08-09 | 2010-04-21 | Fujitsu Limited | Handover method in radio communication system, radio base station, and radio terminal |
EP2195977B1 (en) * | 2007-10-02 | 2015-09-02 | Unwired Planet International Limited | A method and apparatus for secure handover in a communication network |
US8213391B2 (en) * | 2007-10-05 | 2012-07-03 | Via Telecom, Inc. | Time synchronization of femtocell |
US8937936B2 (en) | 2007-10-05 | 2015-01-20 | Via Telecom Inc. | Acquiring time synchronization and location information with a femtocell |
JP5354642B2 (ja) * | 2008-04-09 | 2013-11-27 | 日本電気株式会社 | 無線通信システムおよびその通信方法 |
JP5442764B2 (ja) * | 2008-12-18 | 2014-03-12 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | ランダムアクセスのルートシーケンスの自動的なプランニングと処理 |
US8095143B2 (en) * | 2009-02-13 | 2012-01-10 | Telefonaktiebolaget L M Ericsson | Random access channel (RACH) reconfiguration for temporarily extended cell coverage |
WO2010107358A1 (en) * | 2009-03-20 | 2010-09-23 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for monitoring a random access channel |
WO2011136504A2 (ko) * | 2010-04-29 | 2011-11-03 | 한국전자통신연구원 | 캐리어 에그리게이션에 기반한 핸드오버 방법 |
CN102948230B (zh) * | 2010-05-06 | 2016-04-06 | 爱立信(中国)通信有限公司 | 无线通信系统中的方法和装置 |
EP2716101A1 (en) * | 2011-05-23 | 2014-04-09 | InterDigital Patent Holdings, Inc. | Apparatus and methods for group wireless transmit/receive unit (wtru) handover |
WO2013028109A1 (en) * | 2011-08-24 | 2013-02-28 | Telefonaktiebolaget L M Ericsson (Publ) | Service continuity within a mbsfn service area of a wireless telecommunication system |
WO2013141148A1 (ja) * | 2012-03-19 | 2013-09-26 | 京セラ株式会社 | 移動通信システム、無線基地局及び移動通信方法 |
CN102833802B (zh) * | 2012-08-15 | 2015-09-23 | 电信科学技术研究院 | 一种数据转发方法及设备 |
KR20150111911A (ko) * | 2013-01-24 | 2015-10-06 | 엘지전자 주식회사 | 반송파 결합을 지원하는 무선접속 시스템에서 세컨더리 셀을 추가하기 위한 방법 및 이를 지원하는 장치 |
US9736735B2 (en) * | 2013-02-21 | 2017-08-15 | Lg Electronics Inc. | Configuration handling-based operating method in wireless communication system and apparatus supporting same |
CN104168639B (zh) * | 2013-05-16 | 2018-07-17 | 北京信威通信技术股份有限公司 | 一种通信网络中基站时钟同步的方法 |
WO2014196748A1 (ko) * | 2013-06-04 | 2014-12-11 | 엘지전자 주식회사 | 무선 통신 시스템에서 기지국이 단말의 동기화를 위한 정보를 전송하는 방법 및 이를 위한 장치 |
EP3043610B1 (en) * | 2013-09-27 | 2019-09-04 | Huawei Technologies Co., Ltd. | Communication method, user equipment and base station |
US20170041841A1 (en) * | 2014-02-28 | 2017-02-09 | Nokia Solutions And Networks Oy | Techniques for rach (random access channel)-less synchronized handover for wireless networks |
US20170078933A1 (en) * | 2014-03-14 | 2017-03-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and Apparatus for a Handover using Dedicated Random Access Resource |
WO2015166383A2 (en) * | 2014-04-27 | 2015-11-05 | Novelsat Ltd. | Handover between satellites using a single modem |
CN110247726B (zh) * | 2014-05-09 | 2021-11-23 | Lg 电子株式会社 | 接收用于终端间直接通信的同步信号的方法及其装置 |
US9936524B2 (en) * | 2014-12-24 | 2018-04-03 | Intel Corporation | Random access procedure for handover |
WO2016108456A1 (ko) * | 2014-12-29 | 2016-07-07 | 엘지전자(주) | 무선 통신 시스템에서 단말 간 직접 통신을 수행하기 위한 방법 및 이를 위한 장치 |
EP3316630B1 (en) * | 2015-08-07 | 2022-03-30 | Huawei Technologies Co., Ltd. | Time synchronization method, device and system |
CN106998575B (zh) * | 2016-01-22 | 2020-09-29 | 株式会社Kt | 用于执行v2x通信的用户设备的移动性的控制方法及其装置 |
CN108605253B (zh) * | 2016-02-04 | 2021-06-08 | 瑞典爱立信有限公司 | 涉及侧链路通信的蜂窝切换的方法和装置 |
-
2015
- 2015-08-07 EP EP15900650.1A patent/EP3316630B1/en active Active
- 2015-08-07 CN CN201580061737.7A patent/CN107005955B/zh active Active
- 2015-08-07 WO PCT/CN2015/086405 patent/WO2017024452A1/zh active Application Filing
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2018
- 2018-02-07 US US15/890,774 patent/US10631209B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140286261A1 (en) * | 2008-04-28 | 2014-09-25 | Lg Electronics Inc. | Random access channel preamble selection |
CN102547961A (zh) * | 2010-12-10 | 2012-07-04 | 华为技术有限公司 | 基站间同步的方法、装置及系统 |
JP2013093730A (ja) * | 2011-10-25 | 2013-05-16 | Fujitsu Ltd | 無線通信システム、移動局、基地局及び通信制御方法 |
CN103797869A (zh) * | 2013-07-01 | 2014-05-14 | 华为技术有限公司 | 空口同步的方法、基站、控制装置及无线通信系统 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109314896A (zh) * | 2018-09-04 | 2019-02-05 | 北京小米移动软件有限公司 | 小区切换方法、装置及可读存储介质 |
CN109314896B (zh) * | 2018-09-04 | 2021-03-02 | 北京小米移动软件有限公司 | 小区切换方法、装置及可读存储介质 |
US11974178B2 (en) | 2018-09-04 | 2024-04-30 | Beijing Xiaomi Mobile Software Co., Ltd. | Cell handover method, device and readable storage medium |
WO2022067639A1 (en) * | 2020-09-30 | 2022-04-07 | Lenovo (Beijing) Limited | Method and apparatus for time synchronization |
Also Published As
Publication number | Publication date |
---|---|
US20180167849A1 (en) | 2018-06-14 |
WO2017024452A1 (zh) | 2017-02-16 |
EP3316630B1 (en) | 2022-03-30 |
US10631209B2 (en) | 2020-04-21 |
EP3316630A1 (en) | 2018-05-02 |
CN107005955B (zh) | 2020-02-21 |
EP3316630A4 (en) | 2018-07-18 |
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