WO2022096458A3 - Radio link failure (rlf) recovery for remote user equipment (ue) - Google Patents

Radio link failure (rlf) recovery for remote user equipment (ue) Download PDF

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Publication number
WO2022096458A3
WO2022096458A3 PCT/EP2021/080388 EP2021080388W WO2022096458A3 WO 2022096458 A3 WO2022096458 A3 WO 2022096458A3 EP 2021080388 W EP2021080388 W EP 2021080388W WO 2022096458 A3 WO2022096458 A3 WO 2022096458A3
Authority
WO
WIPO (PCT)
Prior art keywords
rlf
radio link
wireless network
recovery
user equipment
Prior art date
Application number
PCT/EP2021/080388
Other languages
French (fr)
Other versions
WO2022096458A2 (en
Inventor
Min Wang
Original Assignee
Telefonaktiebolaget Lm Ericsson (Publ)
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 Telefonaktiebolaget Lm Ericsson (Publ) filed Critical Telefonaktiebolaget Lm Ericsson (Publ)
Publication of WO2022096458A2 publication Critical patent/WO2022096458A2/en
Publication of WO2022096458A3 publication Critical patent/WO2022096458A3/en

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Classifications

    • 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
    • H04W36/305—Handover due to radio link failure
    • 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
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/00835—Determination of neighbour cell lists
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/005—Discovery of network devices, e.g. terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/04—Terminal devices adapted for relaying to or from another terminal or user

Abstract

Embodiments include methods for recovery from a radio link failure (RLF) by a remote user equipment (UE) in a wireless network. Such methods include detecting occurrence of a RLF on one of the following: a first radio link between a relay UE and a network node in the wireless network, or a second radio link between the remote UE and the relay UE. Such methods include performing a recovery procedure in response to the RLF, including detecting one or more of the following target entities: one or more target cells in the wireless network, and one or more target relay UEs operating in the wireless network. Such methods include selecting one of the detected target entities according to one or more prioritization criteria and establishing a connection with the wireless network via the selected target entity. Embodiments also include complementary methods for wireless networks and for relay UEs.
PCT/EP2021/080388 2020-11-03 2021-11-02 Radio link failure (rlf) recovery for remote user equipment (ue) WO2022096458A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202063109006P 2020-11-03 2020-11-03
US63/109,006 2020-11-03

Publications (2)

Publication Number Publication Date
WO2022096458A2 WO2022096458A2 (en) 2022-05-12
WO2022096458A3 true WO2022096458A3 (en) 2022-06-16

Family

ID=78592839

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2021/080388 WO2022096458A2 (en) 2020-11-03 2021-11-02 Radio link failure (rlf) recovery for remote user equipment (ue)

Country Status (1)

Country Link
WO (1) WO2022096458A2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2387270A1 (en) * 2010-05-12 2011-11-16 Nokia Siemens Networks Oy Radio link failure recovery control in communication network having relay nodes
US20150245407A1 (en) * 2012-01-18 2015-08-27 Mediatek Inc. Method of Enhanced Connection Recovery and Cell Selection
US20200029384A1 (en) * 2017-03-30 2020-01-23 Lg Electronics Inc. Method for performing path reselection in wireless communication system and apparatus therefor
EP3611966A1 (en) * 2017-05-04 2020-02-19 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Report sending method, report receiving method, device and system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2387270A1 (en) * 2010-05-12 2011-11-16 Nokia Siemens Networks Oy Radio link failure recovery control in communication network having relay nodes
US20150245407A1 (en) * 2012-01-18 2015-08-27 Mediatek Inc. Method of Enhanced Connection Recovery and Cell Selection
US20200029384A1 (en) * 2017-03-30 2020-01-23 Lg Electronics Inc. Method for performing path reselection in wireless communication system and apparatus therefor
EP3611966A1 (en) * 2017-05-04 2020-02-19 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Report sending method, report receiving method, device and system

Also Published As

Publication number Publication date
WO2022096458A2 (en) 2022-05-12

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