SG11202109257YA - Source cell connection handling during make-before-break handover - Google Patents

Source cell connection handling during make-before-break handover

Info

Publication number
SG11202109257YA
SG11202109257YA SG11202109257YA SG11202109257YA SG 11202109257Y A SG11202109257Y A SG 11202109257YA SG 11202109257Y A SG11202109257Y A SG 11202109257YA SG 11202109257Y A SG11202109257Y A SG 11202109257YA
Authority
SG
Singapore
Prior art keywords
source cell
handling during
cell connection
connection handling
during make
Prior art date
Application number
Inventor
Karthika Paladugu
Ozcan Ozturk
Prasad Kadiri
Arvind Santhanam
Gavin Horn
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of SG11202109257YA publication Critical patent/SG11202109257YA/en

Links

Classifications

    • 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
    • H04W36/0079—Transmission or use of information for re-establishing the radio link in case of hand-off failure or rejection
    • 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
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0069—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink
    • H04W36/00692—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink using simultaneous multiple data streams, e.g. cooperative multipoint [CoMP], carrier aggregation [CA] or multiple input multiple output [MIMO]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/02—Buffering or recovering information during reselection ; Modification of the traffic flow during hand-off
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
    • H04W36/185—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection using make before break
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/19—Connection re-establishment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • 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
    • H04W36/0019—Control or signalling for completing the hand-off for data sessions of end-to-end connection adapted for mobile IP [MIP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H04W36/085—Reselecting an access point involving beams of access points
    • 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
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
SG11202109257Y 2019-03-28 2020-02-28 Source cell connection handling during make-before-break handover SG11202109257YA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962825543P 2019-03-28 2019-03-28
US16/803,809 US11071026B2 (en) 2019-03-28 2020-02-27 Source cell connection handling during make-before-break handover
PCT/US2020/020492 WO2020197697A2 (en) 2019-03-28 2020-02-28 Source cell connection handling during make-before-break handover

Publications (1)

Publication Number Publication Date
SG11202109257YA true SG11202109257YA (en) 2021-10-28

Family

ID=72605350

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202109257Y SG11202109257YA (en) 2019-03-28 2020-02-28 Source cell connection handling during make-before-break handover

Country Status (7)

Country Link
US (1) US11071026B2 (en)
EP (1) EP3949515A2 (en)
KR (1) KR20210142634A (en)
CN (1) CN113632539A (en)
SG (1) SG11202109257YA (en)
TW (1) TWI832980B (en)
WO (1) WO2020197697A2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020204549A1 (en) 2019-03-29 2020-10-08 Samsung Electronics Co., Ltd. Method and apparatus for executing conditional handover in wireless communication network
WO2021015560A1 (en) * 2019-07-24 2021-01-28 Lg Electronics Inc. Method and apparatus for managing scells during a conditional pcell handover in a wireless communication system
WO2021066466A1 (en) * 2019-10-02 2021-04-08 Samsung Electronics Co., Ltd. Method and apparatus for performing handover in wireless communication system
US11490297B2 (en) * 2019-10-03 2022-11-01 Huawei Technologies Co., Ltd. Methods for user equipment capability reporting of simultaneous connectivity handover
EP4008130A4 (en) * 2020-01-06 2022-09-28 Samsung Electronics Co., Ltd. Method and apparatus for configuring fallback for each bearer when daps handover fails in next-generation mobile communication system
WO2022154705A1 (en) * 2021-01-12 2022-07-21 Telefonaktiebolaget Lm Ericsson (Publ) Dual-active protocol stack (daps) handover and deactivated secondary cell group (scg)
EP4256849A1 (en) * 2021-04-30 2023-10-11 ZTE Corporation Method, device and computer program product for wireless communication
CN117204038A (en) * 2021-07-29 2023-12-08 Oppo广东移动通信有限公司 Method for deactivating cells, terminal equipment and storage medium
CN114143842B (en) * 2021-11-12 2024-04-19 维沃移动通信有限公司 Cell access method and device
WO2023092448A1 (en) * 2021-11-26 2023-06-01 Apple Inc. 5g new radio mobility enhancements
CN116264716A (en) * 2021-12-13 2023-06-16 展讯通信（上海）有限公司 Cell switching method and device, storage medium, terminal equipment and network equipment
CN114143846A (en) * 2021-12-17 2022-03-04 展讯通信（上海）有限公司 Cell switching method and device, storage medium, terminal equipment and network equipment
US11877194B2 (en) * 2022-02-10 2024-01-16 Lg Electronics Inc. Method and apparatus for performing handover in a wireless communication system
WO2024092680A1 (en) * 2022-11-03 2024-05-10 富士通株式会社 Method and apparatus for cell activation or deactivation

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
US8280375B2 (en) * 2008-01-25 2012-10-02 Texas Instruments Incorporated System and method for managing radio link failures
WO2010002692A1 (en) * 2008-06-30 2010-01-07 Interdigital Patent Holdings, Inc. Method and apparatus for performing a handover in an evolved universal terrestrial radio access network
US9125072B2 (en) * 2010-04-13 2015-09-01 Qualcomm Incorporated Heterogeneous network (HetNet) user equipment (UE) radio resource management (RRM) measurements
WO2013163814A1 (en) * 2012-05-04 2013-11-07 Nokia Corporation Recovering connection in lte local area network for eps and local services
US9888417B2 (en) * 2013-01-16 2018-02-06 Lg Electronics Inc. Method and apparatus for switching connection in wireless communication system
US9237490B2 (en) * 2013-01-30 2016-01-12 Broadcom Corporation Wireless communication system utilizing staggered device handovers
US9781610B2 (en) * 2013-12-18 2017-10-03 Qualcomm Incorporated Small cell clusters for signaling load reduction, time synchronization, KPI filtering and spectrum coordination
US10772021B2 (en) * 2014-12-05 2020-09-08 Qualcomm Incorporated Low latency and/or enhanced component carrier discovery for services and handover
US9883528B2 (en) * 2015-03-17 2018-01-30 Telefonaktiebolaget Lm Ericsson (Publ) Method to transmit signaling radio bearer messages in multi antenna wireless communication system
CN113613296A (en) * 2015-11-04 2021-11-05 三菱电机株式会社 Communication system
KR20180090658A (en) * 2017-02-03 2018-08-13 삼성전자주식회사 Method and apparatus for processing a security key in a handover using multiple connections in a mobile communication system
EP3603192B1 (en) * 2017-03-24 2023-01-18 Telefonaktiebolaget LM Ericsson (Publ) Method and system for beam tracking failure recovery

Also Published As

Publication number Publication date
WO2020197697A2 (en) 2020-10-01
TW202044873A (en) 2020-12-01
CN113632539A (en) 2021-11-09
EP3949515A2 (en) 2022-02-09
WO2020197697A3 (en) 2020-10-22
TWI832980B (en) 2024-02-21
KR20210142634A (en) 2021-11-25
US11071026B2 (en) 2021-07-20
US20200314710A1 (en) 2020-10-01

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