ES2904781T3 - Selección de un UE de acceso aleatorio sin contienda y basado en contienda para el traspaso - Google Patents

Selección de un UE de acceso aleatorio sin contienda y basado en contienda para el traspaso Download PDF

Info

Publication number
ES2904781T3
ES2904781T3 ES18732948T ES18732948T ES2904781T3 ES 2904781 T3 ES2904781 T3 ES 2904781T3 ES 18732948 T ES18732948 T ES 18732948T ES 18732948 T ES18732948 T ES 18732948T ES 2904781 T3 ES2904781 T3 ES 2904781T3
Authority
ES
Spain
Prior art keywords
random access
base station
resource
cfra
cbra
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.)
Active
Application number
ES18732948T
Other languages
English (en)
Spanish (es)
Inventor
Sumeeth Nagaraja
Tao Luo
Wilson Makesh Pravin John
Sony Akkarakaran
Juan Montojo
Shengbo Chen
Wooseok Nam
Xiao Feng Wang
Kaushik Chakraborty
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.)
Qualcomm Inc
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
Application granted granted Critical
Publication of ES2904781T3 publication Critical patent/ES2904781T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04W36/0011—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
    • H04W36/0044—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information of quality 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
    • H04W36/0077—Transmission or use of information for re-establishing the radio link of access information of target access point
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • 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
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/02—Hybrid access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/04—Scheduled access
    • 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
    • H04W74/0838—Random access procedures, e.g. with 4-step access using contention-free random access [CFRA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
ES18732948T 2017-05-05 2018-05-04 Selección de un UE de acceso aleatorio sin contienda y basado en contienda para el traspaso Active ES2904781T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762502159P 2017-05-05 2017-05-05
US15/970,554 US10638378B2 (en) 2017-05-05 2018-05-03 UE selection of contention-free and contention-based random access for handover
PCT/US2018/031059 WO2018204766A2 (en) 2017-05-05 2018-05-04 Ue selection of contention-free and contention-based random access for handover

Publications (1)

Publication Number Publication Date
ES2904781T3 true ES2904781T3 (es) 2022-04-06

Family

ID=64015037

Family Applications (1)

Application Number Title Priority Date Filing Date
ES18732948T Active ES2904781T3 (es) 2017-05-05 2018-05-04 Selección de un UE de acceso aleatorio sin contienda y basado en contienda para el traspaso

Country Status (10)

Country Link
US (2) US10638378B2 (https=)
EP (1) EP3620023B1 (https=)
JP (1) JP7153673B2 (https=)
KR (1) KR102627530B1 (https=)
CN (1) CN110583090B (https=)
BR (1) BR112019022857A2 (https=)
ES (1) ES2904781T3 (https=)
SG (1) SG11201908608RA (https=)
TW (2) TW201844052A (https=)
WO (2) WO2018201670A1 (https=)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6913171B2 (ja) 2017-01-05 2021-08-04 ノキア テクノロジーズ オサケユイチア ハンドオーバのためのビームを選択する方法、コンピュータプログラム、及び装置
WO2018201670A1 (en) 2017-05-05 2018-11-08 Qualcomm Incorporated Ue selection of common and dedicated rach resources
MX2019012649A (es) * 2017-05-05 2020-01-20 Ericsson Telefon Ab L M Nodo de red que indica haz para traspaso a un dispositivo inalambrico.
CN111542093B (zh) * 2017-06-16 2021-08-03 华为技术有限公司 通信方法和装置
CN118215153A (zh) 2017-07-27 2024-06-18 三星电子株式会社 执行随机接入过程的方法和装置
US11477824B2 (en) * 2017-09-07 2022-10-18 Futurewei Technologies, Inc. System and method for request multiplexing
KR102604568B1 (ko) * 2017-09-27 2023-11-22 삼성전자주식회사 V2x 시스템 및 이동 통신 시스템에 적용하는 방법 및 장치
MX2020003907A (es) 2017-09-28 2020-10-05 Ericsson Telefon Ab L M Procedimiento de acceso aleatorio de haces multiples en ejecucion de traspaso.
WO2019100254A1 (en) * 2017-11-22 2019-05-31 Zte Corporation Co-existence of different random access resources and associations
CN110035501B (zh) * 2018-01-11 2024-07-16 北京璟石知识产权管理有限公司 通信方法和装置
CN110167147B (zh) * 2018-02-12 2021-07-23 大唐移动通信设备有限公司 一种波束失败恢复方法及用户终端
KR102508720B1 (ko) * 2018-06-21 2023-03-09 노키아 테크놀로지스 오와이 랜덤 액세스 프로시져에서의 무경쟁 랜덤 액세스를 위한 전송 블록 사이즈
EP3873161B1 (en) * 2018-10-26 2025-07-30 NEC Corporation Radio terminal and method for this
CN113196825B (zh) * 2018-11-09 2023-08-04 高通股份有限公司 无线通信中使用预配置资源的上行链路传输技术
US12588074B2 (en) * 2018-12-14 2026-03-24 Telefonaktiebolaget Lm Ericsson (Publ) Random access for radio access networks
CN111372292B (zh) * 2018-12-26 2022-01-14 华为技术有限公司 通信方法和通信装置
US11071091B2 (en) * 2019-01-10 2021-07-20 At&T Intellectual Property I, L.P. Contention level signaling for resource pools
EP3918839B1 (en) 2019-01-31 2024-04-24 Telefonaktiebolaget LM Ericsson (publ) Network nodes and methods performed therein for supporting handover of a wireless device
US12089267B2 (en) 2019-05-01 2024-09-10 Lg Electronics Inc. Random access procedure based on beam quality
US11564142B2 (en) * 2019-09-16 2023-01-24 Qualcomm Incorporated Relay handover determination
EP3821666B1 (en) * 2019-09-30 2024-03-13 Nokia Technologies Oy Random access in communication system
EP4373014A3 (en) * 2019-10-02 2024-08-14 Samsung Electronics Co., Ltd. Method and apparatus for random access procedure
PL4101223T3 (pl) 2020-02-06 2025-09-08 Nokia Technologies Oy Dostęp swobodny w systemie komunikacyjnym
WO2021155591A1 (zh) * 2020-02-07 2021-08-12 Oppo广东移动通信有限公司 随机接入方法、装置、终端、网络设备和存储介质
CN118301778A (zh) 2020-03-06 2024-07-05 北京小米移动软件有限公司 数据传输方法、装置及计算机可读存储介质
EP4144128A1 (en) * 2020-04-30 2023-03-08 Nokia Solutions and Networks Oy Conditional handover with beamforming and son information
GB2594740B (en) * 2020-05-06 2022-11-23 Arm Cloud Tech Inc Connecting and resetting devices
US11696342B2 (en) * 2020-07-02 2023-07-04 Qualcomm Incorporated Probabilistic random access
CN114071609A (zh) * 2020-08-06 2022-02-18 北京三星通信技术研究有限公司 一种用于变更服务实体的方法及设备
EP4241493A1 (en) * 2020-11-03 2023-09-13 Telefonaktiebolaget LM Ericsson (publ) Methods for mobility related handover for mr-dc
US12567895B2 (en) 2020-11-25 2026-03-03 Nokia Technologies Oy Beam failure detection and recovery in wireless communication networks
CN113242604B (zh) * 2021-04-12 2022-07-22 浙江工业大学 一种基于动态信道选择的资源调度方法
US20240430953A1 (en) * 2021-08-04 2024-12-26 Lg Electronics Inc. Control of resource utilization in wireless communication system
US20230254702A1 (en) * 2022-02-07 2023-08-10 Qualcomm Incorporated Shared spectrum resource allocation in open radio access networks
WO2023201482A1 (en) * 2022-04-18 2023-10-26 Nec Corporation Method, device and computer storage medium of communication
TWI800444B (zh) * 2022-08-17 2023-04-21 明泰科技股份有限公司 多細胞換手自動量測方法及系統
WO2025026451A1 (zh) * 2023-08-03 2025-02-06 维沃移动通信有限公司 小区切换方法、装置、终端及网络侧设备

Family Cites Families (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070060155A1 (en) * 2005-08-31 2007-03-15 Emanuel Kahana System and method to dynamically adapt a CCA threshold
CN101300886B (zh) * 2005-11-04 2012-06-13 株式会社Ntt都科摩 传输控制方法、移动台以及无线基站
CN101400129B (zh) * 2007-09-28 2011-07-13 中兴通讯股份有限公司 随机接入资源分配方法
TWM355510U (en) * 2008-01-04 2009-04-21 Interdigital Patent Holdings Apparatus for performing an enhanced random access channel procedure in a CELL_FACH state
US8649353B2 (en) 2008-03-04 2014-02-11 Interdigital Patent Holdings, Inc. Method and apparatus for accessing a random access channel by selectively using dedicated or contention-based preambles during handover
US8031668B2 (en) * 2008-06-23 2011-10-04 Sunplus Mmobile Inc. Method for optimizing discontinuous reception in random access and scheduling request
KR101565723B1 (ko) * 2008-06-30 2015-11-03 인터디지탈 패튼 홀딩스, 인크 Ｅ－ｕｔｒａｎ에서 핸드오버를 수행하기 위한 방법 및 장치
CN107580376B (zh) * 2011-04-01 2021-08-20 交互数字专利控股公司 移动性管理实体及用于提供连接性信息的方法
EP2710851A4 (en) * 2011-05-16 2014-11-05 Blackberry Ltd UPLINK DIRECT ACCESS DATA CHANNEL FOR MOBILE DEVICE
AU2012284692B2 (en) 2011-07-21 2016-06-23 Samsung Electronics Co., Ltd. Method and apparatus for transmitting and receiving information for random access in wireless communication system
KR101818770B1 (ko) * 2011-07-26 2018-01-16 아주대학교산학협력단 통신 시스템에서 이동 단말의 고속 핸드오버 방법 및 이를 위한 시스템
WO2013025026A2 (en) * 2011-08-12 2013-02-21 Pantech Co., Ltd. Apparatus and method for controlling in-deivce coexistence inteference in wireless communication system
WO2013039435A1 (en) * 2011-09-16 2013-03-21 Telefonaktiebolaget L M Ericsson (Publ) Improved contention-free random access procedure in wireless networks
CN104186010B (zh) * 2012-03-16 2018-09-21 交互数字专利控股公司 无线系统中的随机接入过程
US8971922B2 (en) * 2012-08-05 2015-03-03 Lg Electronics Inc. Apparatus and method for measuring position of terminal located in indoor using wireless network
KR20140072968A (ko) 2012-12-05 2014-06-16 한국전자통신연구원 이동 통신 시스템에서 다중 연결을 이용한 단말의 핸드오버 방법
US20160057783A1 (en) * 2013-03-26 2016-02-25 Nokia Solutions And Networks Oy Mechanism for Providing Communication Resources for Random Access of a User
US9942830B2 (en) * 2013-07-11 2018-04-10 Koninklijke Kpn N.V. Session setup in an energy-efficient cellular wireless telecommunications system
EP3028521B1 (en) * 2013-07-29 2018-09-05 Telefonaktiebolaget LM Ericsson (publ) Method, computer program and device for contention based random access
EP2833669B1 (en) * 2013-07-31 2022-06-22 Panasonic Intellectual Property Corporation of America Handoff procedure in a mobile communication system
CN104780617B (zh) * 2014-01-09 2019-09-17 中兴通讯股份有限公司 一种非竞争随机接入方法、节点设备及系统
US20170078933A1 (en) * 2014-03-14 2017-03-16 Telefonaktiebolaget Lm Ericsson (Publ) Method and Apparatus for a Handover using Dedicated Random Access Resource
PL3462798T3 (pl) * 2014-03-25 2022-04-04 Telefonaktiebolaget Lm Ericsson (Publ) System i sposób dla fizycznego dostępu losowego opartego na wiązce
WO2016014203A1 (en) * 2014-07-21 2016-01-28 Intel IP Corporation Methods, systems, and devices for network-provided autonomous handover
WO2016044994A1 (zh) * 2014-09-23 2016-03-31 华为技术有限公司 波束配置方法、基站及用户设备
US9730249B2 (en) * 2014-11-19 2017-08-08 Intel Corporation Systems, apparatuses, and methods for processing random acccess response messages for coverage constrained devices
CN107409370B (zh) * 2014-12-23 2020-08-21 Idac控股公司 通过wtru执行的用于传达数据的方法及wtru
EP3048853B1 (en) * 2015-01-26 2021-05-26 ASUSTek Computer Inc. Method and apparatus for handling transmission in a wireless communication system
CN105992191B (zh) * 2015-03-05 2020-03-24 电信科学技术研究院 一种上行数据接收控制、接收、发送方法及装置
US10285180B2 (en) * 2015-03-14 2019-05-07 Qualcomm Incorporated Reserved resource pool assisted access resource selection for small data transmission
US20170006593A1 (en) * 2015-07-02 2017-01-05 Futurewei Technologies, Inc. Beam Detection, Beam Tracking and Random Access in MM-Wave Small Cells in Heterogeneous Network
US10575363B2 (en) * 2016-01-07 2020-02-25 Telefonaktiebolaget Lm Ericsson (Publ) Signaling reduction for out-of-sync users
WO2017123060A1 (en) * 2016-01-14 2017-07-20 Samsung Electronics Co., Ltd. System, method, and apparatus of beam-tracking and beam feedback operation in a beam-forming based system
US10575338B2 (en) * 2016-02-04 2020-02-25 Samsung Electronics Co., Ltd. Method and apparatus for UE signal transmission in 5G cellular communications
US11153795B2 (en) * 2016-02-12 2021-10-19 Apple Inc. Systems, methods, and devices for reduced handover data interruption
KR102674427B1 (ko) * 2016-02-26 2024-06-13 삼성전자 주식회사 빔포밍이 적용된 시스템에서의 랜덤 액세스를 수행하는 장치 및 방법
US9967910B2 (en) * 2016-03-03 2018-05-08 Huawei Technologies Co., Ltd. System and method for establishing a D2D communication group
CN108141895B (zh) * 2016-03-31 2021-02-12 华为技术有限公司 用户设备ue接入网络的方法、网络设备及第一ue
KR20180017909A (ko) * 2016-08-11 2018-02-21 삼성전자주식회사 차세대 이동통신 시스템에서 하향링크 빔의 특성에 따라 랜덤 엑세스 과정을 선택하는 방법 및 장치
US10863484B2 (en) * 2017-01-09 2020-12-08 Qualcomm Incorporated Indication of random-access channel MSG3 resource duration via random-access channel MSG2
US10292081B2 (en) * 2017-02-03 2019-05-14 Lg Electronics Inc. Method and apparatus for performing partial handover for continuous data transmission in wireless communication system
CN110431790B (zh) * 2017-03-24 2022-08-23 瑞典爱立信有限公司 用于处理无线通信网络中的通信的无线网络节点、无线设备和在其中执行的方法
FI4013122T3 (fi) * 2017-05-04 2025-09-16 Beijing Xiaomi Mobile Software Co Ltd Säteilykeiloihin perustuva mittauskonfiguraatio
WO2018201670A1 (en) 2017-05-05 2018-11-08 Qualcomm Incorporated Ue selection of common and dedicated rach resources
US10506482B2 (en) * 2017-05-12 2019-12-10 Huawei Technologies Co., Ltd. Method and apparatus for provisioning physical signals and channels for mobile user equipment in a wireless network
US10772075B2 (en) 2017-05-13 2020-09-08 Lg Electronics Inc. Method for transmitting V2X signal of terminal having limited transmission capability and terminal using the method
EP3646636B1 (en) 2017-06-27 2024-11-06 Telefonaktiebolaget LM Ericsson (publ) Wireless communication device and method for network controlled beam based handover in nr
CN118215153A (zh) 2017-07-27 2024-06-18 三星电子株式会社 执行随机接入过程的方法和装置
US10651913B2 (en) * 2017-08-10 2020-05-12 Ofinno, Llc Beam refinement during RACH
US10785739B2 (en) * 2017-08-10 2020-09-22 Ofinno, Llc Beam indication in RACH
US10555338B2 (en) * 2017-08-11 2020-02-04 Mediatek Inc. NR-PRACH multiple Msg1 transmission
US11678246B2 (en) * 2017-08-11 2023-06-13 Comcast Cable Communications, Llc Contention free random access failure
MX2020003264A (es) * 2017-10-06 2020-07-20 Fg innovation co ltd Seleccion de recursos del canal de acceso aleatorio en un entorno multihaz.
EP3700965A1 (en) 2017-10-27 2020-09-02 Massachusetts Institute of Technology Poly (beta-amino esters) and uses thereof
US10834782B2 (en) * 2017-11-07 2020-11-10 Qualcomm Incorporated Techniques for low-band anchored high-band connections in wireless communications
KR102352684B1 (ko) * 2017-11-16 2022-01-18 삼성전자주식회사 무선통신 시스템에서 통신 방법 및 장치
WO2019097294A1 (en) * 2017-11-17 2019-05-23 Lenovo (Singapore) Pte. Ltd. Power control for multiple uplink transmissions
EP3711427A1 (en) * 2017-11-18 2020-09-23 Lenovo (Singapore) Pte. Ltd. Random access configuration
US11172385B2 (en) * 2017-12-27 2021-11-09 Lenovo (Singapore) Pte. Ltd. Beam recovery procedure
US10785080B2 (en) * 2018-01-11 2020-09-22 Qualcomm Incorporated Determining a number of RACH preamble messages for transmission
EP3537835A1 (en) 2018-03-05 2019-09-11 ASUSTek Computer Inc. Method and apparatus of handling beam failure recovery in a wireless communication system
CN110300423B (zh) * 2018-03-22 2022-12-20 华硕电脑股份有限公司 无线通信系统中用于波束故障处置的方法和设备
US11259274B2 (en) 2018-04-03 2022-02-22 Idac Holdings, Inc. Resource pool sharing between network scheduled UE and autonomous scheduled UE transmissions
US10939442B2 (en) * 2018-04-06 2021-03-02 Mediatek Inc. Beam selection and resource allocation for beam-formed random access procedure
US20190357063A1 (en) * 2018-05-18 2019-11-21 Lg Electronics Inc. Method for configuring candidate beams for random access process in wirless communication system and apparatus therefor
WO2020173536A1 (en) 2019-02-25 2020-09-03 Huawei Technologies Co., Ltd. Devices and methods for reducing the impact of half-duplex and in-band emissions in autonomous resource selection for 5g nr v2x sidelink communication

Also Published As

Publication number Publication date
KR20200003799A (ko) 2020-01-10
US11382007B2 (en) 2022-07-05
US20200245198A1 (en) 2020-07-30
WO2018201670A1 (en) 2018-11-08
JP2020519121A (ja) 2020-06-25
EP3620023A2 (en) 2020-03-11
KR102627530B1 (ko) 2024-01-19
JP7153673B2 (ja) 2022-10-14
BR112019022857A2 (pt) 2020-05-19
TW201844051A (zh) 2018-12-16
TWI761507B (zh) 2022-04-21
SG11201908608RA (en) 2019-11-28
TW201844052A (zh) 2018-12-16
EP3620023B1 (en) 2021-12-29
US20180324653A1 (en) 2018-11-08
US10638378B2 (en) 2020-04-28
WO2018204766A3 (en) 2018-12-13
WO2018204766A2 (en) 2018-11-08
CN110583090A (zh) 2019-12-17
CN110583090B (zh) 2023-06-13

Similar Documents

Publication Publication Date Title
ES2904781T3 (es) Selección de un UE de acceso aleatorio sin contienda y basado en contienda para el traspaso
TWI809168B (zh) 用於nr-tdd 的在crs 周圍的速率匹配
KR102212101B1 (ko) Nr-u 상의 prach 구성
CN110999493B (zh) 用于nr共享频谱的rach配置
CN110945950B (zh) Nr共享频谱中的dmtc窗口保留信号
EP3682703B1 (en) Quasi-colocated antennas for lbt
US11102819B2 (en) Joint low-band and high-band operation in NR-SS
WO2020163234A1 (en) Frequency division multiplex transmission of physical uplink control channel/physical uplink shared channel and physical random access channel
WO2019161160A1 (en) Base station contention window update with aul in txop
EP3698498B1 (en) Optimized self-contained transmission in nr-ss
HK40017323B (en) Ue selection of contention-free and contention-based random access for handover
HK40017323A (en) Ue selection of contention-free and contention-based random access for handover