KR101884941B1 - 비허가 스펙트럼에서 lte/lte-a 시스템 내의 동기화 방법 - Google Patents

비허가 스펙트럼에서 lte/lte-a 시스템 내의 동기화 방법 Download PDF

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KR101884941B1
KR101884941B1 KR1020167016692A KR20167016692A KR101884941B1 KR 101884941 B1 KR101884941 B1 KR 101884941B1 KR 1020167016692 A KR1020167016692 A KR 1020167016692A KR 20167016692 A KR20167016692 A KR 20167016692A KR 101884941 B1 KR101884941 B1 KR 101884941B1
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base station
timing
cet
cca
frame
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KR20160090337A (ko
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심맨 아르빈드 파텔
타오 루오
나가 부산
피터 가알
하오 수
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퀄컴 인코포레이티드
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/001Synchronization between nodes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14Spectrum sharing arrangements between different networks
    • H04W72/0426
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/27Control channels or signalling for resource management between access points
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0808Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • 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]
    • H04W84/04Large scale networks; Deep hierarchical networks
    • H04W84/042Public Land Mobile systems, e.g. cellular systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08Access point devices

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020167016692A 2013-11-25 2014-11-25 비허가 스펙트럼에서 lte/lte-a 시스템 내의 동기화 방법 Expired - Fee Related KR101884941B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361908282P 2013-11-25 2013-11-25
US61/908,282 2013-11-25
US14/552,127 2014-11-24
US14/552,127 US9801147B2 (en) 2013-11-25 2014-11-24 Method of synchronization within an LTE/LTE-A system in unlicensed spectrum
PCT/US2014/067245 WO2015077747A2 (en) 2013-11-25 2014-11-25 Method of synchronization within an lte/lte-a system in unlicensed spectrum

Related Child Applications (1)

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KR1020187021843A Division KR102164672B1 (ko) 2013-11-25 2014-11-25 비허가 스펙트럼에서 lte/lte-a 시스템 내의 동기화 방법

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KR20160090337A KR20160090337A (ko) 2016-07-29
KR101884941B1 true KR101884941B1 (ko) 2018-08-02

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KR1020187021843A Expired - Fee Related KR102164672B1 (ko) 2013-11-25 2014-11-25 비허가 스펙트럼에서 lte/lte-a 시스템 내의 동기화 방법

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US (2) US9801147B2 (enExample)
EP (1) EP3075197B1 (enExample)
JP (1) JP6388944B2 (enExample)
KR (2) KR101884941B1 (enExample)
CN (2) CN105745981B (enExample)
WO (1) WO2015077747A2 (enExample)

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US10651987B2 (en) * 2015-08-31 2020-05-12 Qualcomm Incorporated Operator identification for co-existence on a shared communication medium
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US10645586B2 (en) * 2016-10-13 2020-05-05 Qualcomm Incorporated Coordinated resource partitioning
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US10581568B2 (en) * 2016-11-11 2020-03-03 Qualcomm Incorporated Network discovery and synchronization for NR-SS
CN109121198A (zh) * 2017-06-23 2019-01-01 维沃移动通信有限公司 一种非授权频段下的信息传输方法及网络设备
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US11863996B2 (en) 2019-03-08 2024-01-02 Samsung Electronics Co., Ltd. Centralized coordination for shared spectrum systems
US11228919B2 (en) * 2019-07-15 2022-01-18 Samsung Electronics Co., Ltd. Network synchronization for shared spectrum systems
EP4179830A4 (en) * 2020-08-14 2023-08-16 Nokia Solutions and Networks Oy IDENTIFICATION AND REFINING OF SYNCHRONIZATION OFFSETS FOR NETWORK-BASED POSITIONING IN AN UNLICENSED SPECTRUM
WO2024076984A1 (en) * 2022-10-07 2024-04-11 Qualcomm Incorporated Sharing a frequency band between licensed access and unlicensed access

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US20100260168A1 (en) 2009-04-08 2010-10-14 Qualcomm Incorporated Conveying synchronization stratum information

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US20180041977A1 (en) 2018-02-08
EP3075197A2 (en) 2016-10-05
WO2015077747A3 (en) 2015-07-16
WO2015077747A2 (en) 2015-05-28
CN110225526A (zh) 2019-09-10
KR102164672B1 (ko) 2020-10-12
CN105745981B (zh) 2019-06-25
KR20180088523A (ko) 2018-08-03
CN105745981A (zh) 2016-07-06
US10257796B2 (en) 2019-04-09
EP3075197B1 (en) 2020-04-08
US20150148053A1 (en) 2015-05-28
US9801147B2 (en) 2017-10-24
KR20160090337A (ko) 2016-07-29
JP6388944B2 (ja) 2018-09-12
JP2017500790A (ja) 2017-01-05

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