JPWO2020166666A1 - 通信制御方法 - Google Patents
通信制御方法 Download PDFInfo
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- 238000004891 communication Methods 0.000 title claims abstract description 48
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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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
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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
- H04W36/0064—Transmission or use of information for re-establishing the radio link of control information between different access points
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/19—Connection re-establishment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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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
- H04W36/0069—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink
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Abstract
Description
まず、一実施形態に係る移動通信システムの構成について説明する。一実施形態に係る移動通信システムは3GPPの5Gシステムであるが、移動通信システムには、LTE(Long Term Evolution)が少なくとも部分的に適用されてもよい。
次に、デュアルコネクティビティ(DC)の概要について説明する。以下において、NRアクセスを含むDCを主として想定する。このようなDCは、MR−DC(Multi−RAT DC)又はMulti−connectivityと呼ばれることがある。図6は、DCの一例を示す図である。
次に、上述したような移動通信システムの構成を前提として、第1実施形態に係る移動通信システムの動作について説明する。
次に、第2実施形態に係る移動通信システムの動作について、第1実施形態との相違点を主として説明する。
第1実施形態に係る動作の少なくとも一部と第2実施形態に係る動作の少なくとも一部とを組み合わせて実施してもよい。
序論
RANプレナリは、マルチRATデュアルコネクティビティ及びキャリアアグリゲーションの拡張に関するワークアイテムを承認した。このワークアイテムの目的のひとつは、MCGリンクのメカニズムの速やかな復旧をサポートすることである。
この付記では、速やかなMCGリンクの復旧の解決の方向性について議論されている。
提案3:RAN2は、MCG RLFの、UEベースの反応性の高い復旧及び/又はNWベースの積極的な復旧のための選択肢を議論すべきである。
Claims (4)
- ユーザ装置がマスタノード及びセカンダリノードと同時に通信するデュアルコネクティビティ通信を制御するための通信制御方法であって、
前記ユーザ装置が、前記マスタノードとして機能する第1基地局と前記ユーザ装置との間の無線リンクの障害を検知することと、
前記ユーザ装置が、前記無線リンクの障害を前記第1基地局へ通知するための第1メッセージを、前記セカンダリノードとして機能する第2基地局と前記ユーザ装置との間に確立されるシグナリングベアラを介して、前記第2基地局に送信することと、
前記ユーザ装置が、前記第1基地局との通信を復旧するために前記第1基地局が前記ユーザ装置に設定するRRC設定を示す第2メッセージを、前記シグナリングベアラを介して前記第2基地局から受信することと、を含む
通信制御方法。 - 前記ユーザ装置が、前記無線リンクの障害を検知した後において、前記第1基地局に対する無線環境の測定を継続することをさらに含む
請求項1に記載の通信制御方法。 - 前記第1メッセージは、前記無線リンクの障害の種別を示す情報要素と、前記第1基地局の無線状態の測定結果を示す情報要素と、前記第2基地局の無線状態の測定結果を示す情報要素と、の少なくとも1つを含み、
請求項1に記載の通信制御方法。 - 前記ユーザ装置が、前記第1メッセージの送信に応じてタイマを起動することと、
前記ユーザ装置が、前記第1基地局との通信を復旧することなく前記タイマが満了した場合、RRC接続を確立するための手順を行うことをさらに含む
請求項1に記載の通信制御方法。
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JP2022118694A JP2022141908A (ja) | 2019-02-13 | 2022-07-26 | 通信制御方法 |
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US20220132607A1 (en) * | 2019-02-13 | 2022-04-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Role switch handling in a multi connectivity configuration |
JP7052146B2 (ja) * | 2019-03-28 | 2022-04-11 | 京セラ株式会社 | 通信制御方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2015122735A (ja) * | 2013-11-08 | 2015-07-02 | 財團法人工業技術研究院Industrial Technology Research Institute | 無線リンク障害に対処する方法 |
JP2015220753A (ja) * | 2014-05-13 | 2015-12-07 | 宏達國際電子股▲ふん▼有限公司 | 測定構成を処理する装置 |
US20160095004A1 (en) * | 2014-09-26 | 2016-03-31 | Mediatek Inc. | Rrc re-establishment on secondary enodeb for dual connectivity |
JP2016225998A (ja) * | 2014-01-31 | 2016-12-28 | 京セラ株式会社 | 通信制御方法、マスタ基地局及びセカンダリ基地局 |
WO2017026263A1 (ja) * | 2015-08-12 | 2017-02-16 | 株式会社Nttドコモ | ユーザ装置、及び接続制御方法 |
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EP2983405B1 (en) * | 2013-04-05 | 2018-01-03 | Kyocera Corporation | Transmissions between radio base stations and dual connectivity release |
JP2015082766A (ja) * | 2013-10-23 | 2015-04-27 | Kddi株式会社 | 基地局装置、通信装置、制御方法及びプログラム |
EP3603185A1 (en) * | 2017-03-22 | 2020-02-05 | IDAC Holdings, Inc. | Delayed handover execution in wireless networks based on a trigger condition |
CN110402592A (zh) * | 2017-03-24 | 2019-11-01 | 富士通株式会社 | 网络连接恢复方法及其装置、通信系统 |
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- 2021-08-12 US US17/400,852 patent/US20210377758A1/en active Pending
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2015122735A (ja) * | 2013-11-08 | 2015-07-02 | 財團法人工業技術研究院Industrial Technology Research Institute | 無線リンク障害に対処する方法 |
JP2016225998A (ja) * | 2014-01-31 | 2016-12-28 | 京セラ株式会社 | 通信制御方法、マスタ基地局及びセカンダリ基地局 |
JP2015220753A (ja) * | 2014-05-13 | 2015-12-07 | 宏達國際電子股▲ふん▼有限公司 | 測定構成を処理する装置 |
US20160095004A1 (en) * | 2014-09-26 | 2016-03-31 | Mediatek Inc. | Rrc re-establishment on secondary enodeb for dual connectivity |
WO2017026263A1 (ja) * | 2015-08-12 | 2017-02-16 | 株式会社Nttドコモ | ユーザ装置、及び接続制御方法 |
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JP2022141908A (ja) | 2022-09-29 |
WO2020166666A1 (ja) | 2020-08-20 |
JP7305684B2 (ja) | 2023-07-10 |
US20210377758A1 (en) | 2021-12-02 |
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