JP7153673B2 - ハンドオーバのための競合なしおよび競合ベースのランダムアクセスのｕｅによる選択 - Google Patents

ハンドオーバのための競合なしおよび競合ベースのランダムアクセスのｕｅによる選択 Download PDF

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JP7153673B2
JP7153673B2 JP2019559713A JP2019559713A JP7153673B2 JP 7153673 B2 JP7153673 B2 JP 7153673B2 JP 2019559713 A JP2019559713 A JP 2019559713A JP 2019559713 A JP2019559713 A JP 2019559713A JP 7153673 B2 JP7153673 B2 JP 7153673B2
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random access
base station
resource
cfra
contention
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JP2020519121A (ja
JP2020519121A5 (https=
Inventor
ナガラジャ、サミート
ルオ、タオ
ジョン・ウィルソン、マケシュ・プラビン
アッカラカラン、ソニー
モントジョ、ジュアン
チェン、シェンボ
ナム、ウソク
ワン、シャオ・フェン
チャクラボルティー、カウシク
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Qualcomm Inc
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Qualcomm Inc
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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
    • H04W36/0011—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]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2019559713A 2017-05-05 2018-05-04 ハンドオーバのための競合なしおよび競合ベースのランダムアクセスのｕｅによる選択 Active JP7153673B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201762502159P 2017-05-05 2017-05-05
US62/502,159 2017-05-05
US15/970,554 2018-05-03
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 (3)

Publication Number Publication Date
JP2020519121A JP2020519121A (ja) 2020-06-25
JP2020519121A5 JP2020519121A5 (https=) 2021-05-20
JP7153673B2 true JP7153673B2 (ja) 2022-10-14

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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) TWI761507B (https=)
WO (2) WO2018201670A1 (https=)

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