JP2019522443A - Cu−du分割シナリオにおけるデータを送信する方法及び装置 - Google Patents
Cu−du分割シナリオにおけるデータを送信する方法及び装置 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/02—Buffering or recovering information during reselection ; Modification of the traffic flow during hand-off
- H04W36/023—Buffering or recovering information during reselection
-
- 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
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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
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/02—Buffering or recovering information during reselection ; Modification of the traffic flow during hand-off
- H04W36/023—Buffering or recovering information during reselection
- H04W36/0235—Buffering or recovering information during reselection by transmitting sequence numbers, e.g. SN status transfer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/06—Reselecting a communication resource in the serving access point
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- 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
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
-
- 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
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/20—Interfaces between hierarchically similar devices between access points
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Abstract
Description
Claims (15)
- 無線通信システムにおける基地局のソースDU(distribution unit)が端末に対するデータ送信を中断する方法において、
前記端末に対するデータ送信を中断するように指示するメッセージを前記基地局のCU(central unit)から受信するステップと、
前記メッセージが前記基地局のCUから受信される場合、前記端末に対するデータ送信を中断するステップと、を含むことを特徴とする方法。 - 前記CUは、前記基地局のRRC、SDAP(service data adaptation protocol)及びPDCP(packet data convergence protocol)階層をホスティングするロジカルノードであり、前記DUは、前記基地局のRLC、MAC及びPHY階層をホスティングするロジカルノードである、請求項1に記載の方法。
- 前記基地局のソースDUで前記端末に成功的に送信されないダウンリンクデータに対する情報を前記基地局のCUに送信するステップをさらに含む、請求項1に記載の方法。
- 前記ダウンリンクデータに対する情報は、損失されたPDUに対する情報である、請求項3に記載の方法。
- 前記ダウンリンクデータに対する情報は、前記基地局のCUから受信されたPDCP PDUの中から順次に前記端末に成功的に伝達された最も高いPDCP PDUシーケンス番号である、請求項3に記載の方法。
- 前記ダウンリンクデータに対する情報は、損失されたRLC PDUに対応するPDCP PDUシーケンス番号である、請求項3に記載の方法。
- 前記ダウンリンクデータに対する情報は、ダウンリンクデータ伝達状態フレームに含まれる、請求項3に記載の方法。
- 前記ダウンリンクデータに対する情報に基づいて、前記ダウンリンクデータは、前記基地局のCUにより各ベアラに対して前記基地局のターゲットDUに再送信される、請求項3に記載の方法。
- 測定報告メッセージを前記端末から受信するステップと、
前記測定報告メッセージを含むアップリンクRRCトランスポートメッセージを前記基地局のCUに送信するステップと、をさらに含む、請求項1に記載の方法。 - 前記基地局のCUが前記アップリンクRRCトランスポートメッセージに含まれている前記測定報告メッセージに基づいて前記端末に対する前記基地局のソースDUを変更することを決定する場合、前記端末に対するデータ送信を中断するように指示するメッセージが前記基地局のCUから受信される、請求項9に記載の方法。
- 前記メッセージが前記基地局のCUから受信される場合、RRC接続再設定メッセージを前記端末に送信するステップをさらに含む、請求項1に記載の方法。
- 前記メッセージは、UEコンテキスト修正要求メッセージである、請求項1に記載の方法。
- 前記基地局のCUがSgNB修正要求メッセージをMeNBから受信する場合、前記端末に対するデータ送信を中断するように指示するメッセージが前記基地局のCUから受信される、請求項1に記載の方法。
- 無線通信システムにおける端末に対するデータ送信を中断する基地局のソースDU(distribution unit)において、
メモリと、送受信機と、前記メモリと前記送受信機を連結するプロセッサと、を含み、前記プロセッサは、
前記送受信機が前記端末に対するデータ送信を中断するように指示するメッセージを前記基地局のCU(central unit)から受信するように制御し、
前記メッセージが前記基地局のCUから受信される場合、前記送受信機が前記端末に対するデータ送信を中断するように制御することを特徴とする基地局のソースDU。 - 前記CUは、前記基地局のRRC、SDAP(service data adaptation protocol)及びPDCP(packet data convergence protocol)階層をホスティングするロジカルノードであり、前記DUは、前記基地局のRLC、MAC及びPHY階層をホスティングするロジカルノードである、請求項14に記載の基地局のソースDU。
Applications Claiming Priority (11)
Application Number | Priority Date | Filing Date | Title |
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US201762467830P | 2017-03-07 | 2017-03-07 | |
US62/467,830 | 2017-03-07 | ||
US201762475227P | 2017-03-23 | 2017-03-23 | |
US62/475,227 | 2017-03-23 | ||
US201762488076P | 2017-04-21 | 2017-04-21 | |
US62/488,076 | 2017-04-21 | ||
US201762536468P | 2017-07-25 | 2017-07-25 | |
US62/536,468 | 2017-07-25 | ||
US201762555050P | 2017-09-07 | 2017-09-07 | |
US62/555,050 | 2017-09-07 | ||
PCT/KR2018/002680 WO2018164469A1 (ko) | 2017-03-07 | 2018-03-07 | Cu-du 분할 시나리오에서 데이터를 전송하는 방법 및 장치 |
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JP2019522443A true JP2019522443A (ja) | 2019-08-08 |
JP6728472B2 JP6728472B2 (ja) | 2020-07-22 |
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US (2) | US10798624B2 (ja) |
EP (1) | EP3468251B1 (ja) |
JP (1) | JP6728472B2 (ja) |
KR (1) | KR102172396B1 (ja) |
CN (1) | CN110383888B (ja) |
WO (1) | WO2018164469A1 (ja) |
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INTEL CORPORATION, ALTIOSTAR NETWORKS: "Flow control enhancements for F1", 3GPP TSG RAN WG3 ADHOC_R3_AH_NR_1706 R3-172299, JPN6019039007, 20 June 2017 (2017-06-20), FR, pages 2, ISSN: 0004209067 * |
NOKIA, ALCATEL-LUCENT SHANGHAI BELL, KT: "F1 interface RAN3 stage 2 - 38.401", 3GPP TSG RAN WG3#95BIS R3-171362, JPN6019037908, 11 April 2017 (2017-04-11), FR, pages 3 - 1, ISSN: 0004209068 * |
NOKIA, ALCATEL-LUCENT SHANGHAI BELL: "Introduction of F1 User Plane protocol", 3GPP TSG RAN WG3#96 R3-171438, JPN6019039009, 5 May 2017 (2017-05-05), FR, pages 5 - 4, ISSN: 0004209063 * |
NOKIA, ALCATEL-LUCENT SHANGHAI BELL: "TP of Inter-gNB-DU Mobility procedure (TS 38.401)", 3GPP TSG RAN WG3 ADHOC_R3_AH_NR_1706 R3-172310, JPN6019039011, 19 June 2017 (2017-06-19), FR, pages 8 - 2, ISSN: 0004209065 * |
SAMSUNG, KT, SK TELECOM: "Intra-CU/Inter-DU Handover support", 3GPP TSG RAN WG3#96 R3-171697, JPN6019039006, 5 May 2017 (2017-05-05), FR, pages 2, ISSN: 0004209061 * |
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WO2018164469A1 (ko) | 2018-09-13 |
CN110383888B (zh) | 2021-08-27 |
US20190387444A1 (en) | 2019-12-19 |
US11323929B2 (en) | 2022-05-03 |
EP3468251A4 (en) | 2020-01-08 |
CN110383888A (zh) | 2019-10-25 |
KR20190008384A (ko) | 2019-01-23 |
US20200396663A1 (en) | 2020-12-17 |
JP6728472B2 (ja) | 2020-07-22 |
KR102172396B1 (ko) | 2020-10-30 |
EP3468251A1 (en) | 2019-04-10 |
US10798624B2 (en) | 2020-10-06 |
EP3468251B1 (en) | 2020-12-02 |
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