SG11202111617PA - Fast user equipment handover between base stations - Google Patents

Fast user equipment handover between base stations

Info

Publication number
SG11202111617PA
SG11202111617PA SG11202111617PA SG11202111617PA SG11202111617PA SG 11202111617P A SG11202111617P A SG 11202111617PA SG 11202111617P A SG11202111617P A SG 11202111617PA SG 11202111617P A SG11202111617P A SG 11202111617PA SG 11202111617P A SG11202111617P A SG 11202111617PA
Authority
SG
Singapore
Prior art keywords
user equipment
base stations
fast user
equipment handover
handover
Prior art date
Application number
SG11202111617PA
Inventor
Tom Chin
Ajith Tom Payyappilly
Min Wang
Xipeng Zhu
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 SG11202111617PA publication Critical patent/SG11202111617PA/en

Links

Classifications

    • 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
    • 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
    • H04W36/0055—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
    • H04W36/0005—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
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—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. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—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. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—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. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—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. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—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
    • 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
    • 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
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
SG11202111617PA 2019-05-30 2020-03-30 Fast user equipment handover between base stations SG11202111617PA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962854705P 2019-05-30 2019-05-30
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
SG11202111617PA true SG11202111617PA (en) 2021-12-30

Family

ID=73551513

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202111617PA SG11202111617PA (en) 2019-05-30 2020-03-30 Fast user equipment handover between base stations

Country Status (8)

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

Families Citing this family (3)

* 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
AU2021474232A1 (en) * 2021-11-19 2024-03-28 Zte Corporation Methods, devices, and systems for transmitting and receiving signal for power management
CN116419338A (en) * 2021-12-31 2023-07-11 中国移动通信有限公司研究院 Communication method, base station and storage medium

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8718667B2 (en) * 2011-08-05 2014-05-06 Apple, Inc. Adaptive random access channel retransmission
US20170273069A1 (en) * 2016-03-16 2017-09-21 Futurewei Technologies, Inc. System and Method for Managing Connections in a Wireless Communications System
JP2019091960A (en) * 2016-03-30 2019-06-13 シャープ株式会社 Terminal device and method
US10959138B2 (en) * 2016-03-30 2021-03-23 Sharp Kabushiki Kaisha Terminal apparatus, base station apparatus, communication method, and control method
US10674412B2 (en) * 2016-05-20 2020-06-02 Sony Corporation Telecommunications apparatus and methods
CN107734574B (en) * 2016-08-12 2020-12-01 华为技术有限公司 Method and controller for switching between cells
US10951285B2 (en) * 2017-01-06 2021-03-16 Futurewei Technologies, Inc. Hybrid mobility and radio resource management mechanisms
CN108810944B (en) * 2017-05-04 2021-04-20 华为技术有限公司 Method for switching uplink carrier, network equipment and terminal equipment
JP2019036777A (en) * 2017-08-10 2019-03-07 シャープ株式会社 Base station device and terminal device
US11723063B2 (en) 2017-08-11 2023-08-08 Qualcomm Incorporated Different configurations for message content and transmission in a random access procedure
WO2020065818A1 (en) * 2018-09-27 2020-04-02 三菱電機株式会社 Transmitting device, receiving device and wireless communication 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
BR112021023089A2 (en) 2022-01-04
US11700559B2 (en) 2023-07-11
EP3977778B1 (en) 2023-07-19
US20220104090A1 (en) 2022-03-31
AU2020283387A1 (en) 2021-11-25
US20230370924A1 (en) 2023-11-16
EP3977778A1 (en) 2022-04-06
KR20220012853A (en) 2022-02-04
US11184820B2 (en) 2021-11-23
WO2020242582A1 (en) 2020-12-03
US20200383021A1 (en) 2020-12-03
JP2022534570A (en) 2022-08-02
CN113853814A (en) 2021-12-28

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