KR20220012853A - 기지국들 사이에서의 신속한 사용자 장비 핸드오버 - Google Patents

기지국들 사이에서의 신속한 사용자 장비 핸드오버 Download PDF

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Publication number
KR20220012853A
KR20220012853A KR1020217037853A KR20217037853A KR20220012853A KR 20220012853 A KR20220012853 A KR 20220012853A KR 1020217037853 A KR1020217037853 A KR 1020217037853A KR 20217037853 A KR20217037853 A KR 20217037853A KR 20220012853 A KR20220012853 A KR 20220012853A
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KR
South Korea
Prior art keywords
base station
uplink
message
random access
reference signal
Prior art date
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Pending
Application number
KR1020217037853A
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English (en)
Korean (ko)
Inventor
톰 친
아지스 톰 파야필리
민 왕
시펭 주
Original Assignee
퀄컴 인코포레이티드
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Publication of KR20220012853A publication Critical patent/KR20220012853A/ko
Pending legal-status Critical Current

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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
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0072—Transmission or use of information for re-establishing the radio link of resource information of target access point
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • 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
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
    • 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
    • H04W36/08—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
    • H04W36/34—Reselection control
    • H04W36/38—Reselection control by fixed network equipment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/48—TPC being performed in particular situations during retransmission after error or non-acknowledgment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • 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
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H04W84/047—Public Land Mobile systems, e.g. cellular systems using dedicated repeater stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • 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
    • H04W36/0064—Transmission or use of information for re-establishing the radio link of control information between different access points
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020217037853A 2019-05-30 2020-03-30 기지국들 사이에서의 신속한 사용자 장비 핸드오버 Pending KR20220012853A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962854705P 2019-05-30 2019-05-30
US62/854,705 2019-05-30
US16/833,202 2020-03-27
US16/833,202 US11184820B2 (en) 2019-05-30 2020-03-27 Fast user equipment handover between base stations
PCT/US2020/025828 WO2020242582A1 (en) 2019-05-30 2020-03-30 Fast user equipment handover between base stations

Publications (1)

Publication Number Publication Date
KR20220012853A true KR20220012853A (ko) 2022-02-04

Family

ID=73551513

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217037853A Pending KR20220012853A (ko) 2019-05-30 2020-03-30 기지국들 사이에서의 신속한 사용자 장비 핸드오버

Country Status (9)

Country Link
US (3) US11184820B2 (enExample)
EP (1) EP3977778B1 (enExample)
JP (1) JP2022534570A (enExample)
KR (1) KR20220012853A (enExample)
CN (1) CN113853814B (enExample)
AU (1) AU2020283387A1 (enExample)
BR (1) BR112021023089A2 (enExample)
SG (1) SG11202111617PA (enExample)
WO (1) WO2020242582A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11184820B2 (en) 2019-05-30 2021-11-23 Qualcomm Incorporated Fast user equipment handover between base stations
EP3927036A1 (en) * 2020-06-17 2021-12-22 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Improvement of uplink ue positioning
AU2021474232B2 (en) * 2021-11-19 2025-06-26 Zte Corporation Methods, devices, and systems for transmitting and receiving signal for power management
CN116419338B (zh) * 2021-12-31 2026-01-30 中国移动通信有限公司研究院 一种通信方法及基站、存储介质

Family Cites Families (23)

* Cited by examiner, † Cited by third party
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US8891489B2 (en) * 2007-03-19 2014-11-18 Qualcomm Incorporated Handover mechanism that exploits uplink channel quality of a target cell
EP2301296B2 (en) * 2008-07-01 2024-01-10 Telefonaktiebolaget LM Ericsson (publ) Method and arrangement in a telecommunications system
US8718667B2 (en) * 2011-08-05 2014-05-06 Apple, Inc. Adaptive random access channel retransmission
US9491712B2 (en) * 2013-12-20 2016-11-08 Qualcomm Incorporated PUSCH and PUCCH power control under coverage enhancements in LTE
US10462713B2 (en) * 2014-10-30 2019-10-29 Qualcomm Incorporated Techniques for handover procedure management
US20170273069A1 (en) * 2016-03-16 2017-09-21 Futurewei Technologies, Inc. System and Method for Managing Connections in a Wireless Communications System
WO2017169229A1 (ja) * 2016-03-30 2017-10-05 シャープ株式会社 端末装置、基地局装置、通信方法および制御方法
JP2019091960A (ja) * 2016-03-30 2019-06-13 シャープ株式会社 端末装置および方法
WO2017191919A1 (ko) * 2016-05-01 2017-11-09 엘지전자 주식회사 Rach-less 핸드오버에서 상향링크 파워를 제어하는 방법 및 장치
EP3459281B1 (en) * 2016-05-20 2021-07-21 Sony Corporation Telecommunications apparatus and methods
CN107734574B (zh) * 2016-08-12 2020-12-01 华为技术有限公司 小区间切换的方法和控制器
WO2018053753A1 (zh) * 2016-09-22 2018-03-29 广东欧珀移动通信有限公司 用于切换的方法和设备
US11716696B2 (en) * 2016-09-29 2023-08-01 Ntt Docomo, Inc. User equipment and base station
US10951285B2 (en) * 2017-01-06 2021-03-16 Futurewei Technologies, Inc. Hybrid mobility and radio resource management mechanisms
CN108810944B (zh) * 2017-05-04 2021-04-20 华为技术有限公司 上行载波切换的方法、网络设备和终端设备
JP2019036777A (ja) * 2017-08-10 2019-03-07 シャープ株式会社 基地局装置および端末装置
US10757583B2 (en) * 2017-08-10 2020-08-25 Qualcomm Incorporated Uplink-based positioning reference signaling in multi-beam systems
US11723063B2 (en) 2017-08-11 2023-08-08 Qualcomm Incorporated Different configurations for message content and transmission in a random access procedure
US10602453B2 (en) * 2017-10-20 2020-03-24 Qualcomm Incorporated Uplink power control in wireless systems
WO2020065818A1 (ja) * 2018-09-27 2020-04-02 三菱電機株式会社 送信装置、受信装置および無線通信システム
US10966191B2 (en) * 2019-03-26 2021-03-30 Ofinno, Llc Power control for mobility handover in a radio system
WO2020197480A1 (en) * 2019-03-28 2020-10-01 Telefonaktiebolaget Lm Ericsson (Publ) Improvement of conditional handover parameters in 5g
US11184820B2 (en) 2019-05-30 2021-11-23 Qualcomm Incorporated Fast user equipment handover between base stations

Also Published As

Publication number Publication date
JP2022534570A (ja) 2022-08-02
US11700559B2 (en) 2023-07-11
US20220104090A1 (en) 2022-03-31
AU2020283387A1 (en) 2021-11-25
EP3977778A1 (en) 2022-04-06
US20200383021A1 (en) 2020-12-03
WO2020242582A1 (en) 2020-12-03
US11184820B2 (en) 2021-11-23
BR112021023089A2 (pt) 2022-01-04
SG11202111617PA (en) 2021-12-30
US20230370924A1 (en) 2023-11-16
EP3977778B1 (en) 2023-07-19
CN113853814B (zh) 2024-05-14
CN113853814A (zh) 2021-12-28

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