JP2017535190A - 無線通信システムにおける二重接続でのe−rabスイッチ問題を処理するための方法及び装置 - Google Patents
無線通信システムにおける二重接続でのe−rabスイッチ問題を処理するための方法及び装置 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 125
- 230000009977 dual effect Effects 0.000 title claims abstract description 36
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- 230000005641 tunneling Effects 0.000 claims abstract description 4
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- 230000006870 function Effects 0.000 description 18
- 238000007792 addition Methods 0.000 description 16
- 238000012937 correction Methods 0.000 description 16
- 230000005540 biological transmission Effects 0.000 description 14
- 230000004044 response Effects 0.000 description 13
- 230000011664 signaling Effects 0.000 description 13
- 238000007726 management method Methods 0.000 description 10
- 230000015654 memory Effects 0.000 description 9
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- 238000010586 diagram Methods 0.000 description 6
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Classifications
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
- H04W76/32—Release of transport tunnels
-
- 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
-
- 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
- H04W36/00695—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink using split of the control plane or user plane
-
- 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
- H04W36/0079—Transmission or use of information for re-establishing the radio link in case of hand-off failure or rejection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
- H04W36/142—Reselecting a network or an air interface over the same radio air interface technology
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
- H04W76/34—Selective release of ongoing connections
Abstract
Description
Claims (15)
- 無線通信システムにおいて、二重接続のMeNB(master eNodeB)による、二重接続でのE−RAB(E−UTRAN radio access bearer)スイッチ失敗を処理するための方法において、
修正に失敗したE−RABのリストを含むE−RAB修正確認メッセージをMME(mobility management entity)から受信し、
前記失敗したE−RABに対して以前のGTP(GPRS tunneling protocol)トンネルを維持し、
前記失敗したE−RABを解除するためにSeNB(secondary eNB)解除手順またはSeNB修正手順をトリガすることを含む、方法。 - 前記E−RAB修正確認メッセージは、前記失敗したE−RABに対して以前のGTPトンネルを維持する指示をさらに含む、請求項1に記載の方法。
- 前記E−RAB修正確認メッセージは、前記失敗に対する原因値をさらに含む、請求項1に記載の方法。
- 端末(UE;user equipment)は、前記二重接続で前記MeNB及びSeNBの両方ともに接続される、請求項1に記載の方法。
- 前記MMEにE−RAB修正指示メッセージを送信することをさらに含む、請求項1に記載の方法。
- 前記E−RAB修正指示メッセージは、修正されるE−RABのリスト及び修正されないE−RABのリストを両方とも含む、請求項5に記載の方法。
- 前記E−RAB修正指示メッセージは、SCG(secondary cell group)ベアラがSeNBに追加されるか、または前記SCGベアラが前記SeNBから回収されるかを指示する指示を含む、請求項5に記載の方法。
- 無線通信システムにおいて、二重接続のMeNB(master eNodeB)による、二重接続でのE−RAB(E−UTRAN radio access bearer)スイッチ失敗を処理するための方法において、
修正に失敗したE−RABのリストを含むE−RAB修正確認メッセージをMME(mobility management entity)から受信し、
前記失敗したE−RABを解除するためにE−RAB解除手順をトリガすることを含む、方法。 - 前記E−RAB修正確認メッセージは、前記失敗したE−RABに対して前記E−RAB解除手順をトリガする指示をさらに含む、請求項8に記載の方法。
- 前記E−RAB修正確認メッセージは、前記失敗に対する原因値をさらに含む、請求項8に記載の方法。
- 端末(UE;user equipment)は、前記二重接続で前記MeNB及びSeNBの両方ともに接続される、請求項8に記載の方法。
- 前記MMEにE−RAB修正指示メッセージを送信することをさらに含む、請求項8に記載の方法。
- 前記E−RAB修正指示メッセージは、修正されるE−RABのリスト及び修正されないE−RABのリストを両方とも含む、請求項12に記載の方法。
- 前記E−RAB修正指示メッセージは、SCG(secondary cell group)ベアラがSeNBに追加されるか、または前記SCGベアラが前記SeNBから回収されるかを指示する指示を含む、請求項12に記載の方法。
- 全てのE−RABが失敗する場合、UEコンテクスト解除手順をトリガすることをさらに含む、請求項8に記載の方法。
Applications Claiming Priority (3)
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US201462064978P | 2014-10-16 | 2014-10-16 | |
US62/064,978 | 2014-10-16 | ||
PCT/KR2015/010859 WO2016060483A1 (en) | 2014-10-16 | 2015-10-14 | Method and apparatus for handling e-rab switch problem for dual connectivity in wireless communication system |
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JP2017535190A true JP2017535190A (ja) | 2017-11-24 |
JP6535090B2 JP6535090B2 (ja) | 2019-06-26 |
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JP2017520475A Active JP6535090B2 (ja) | 2014-10-16 | 2015-10-14 | 無線通信システムにおける二重接続でのe−rabスイッチ問題を処理するための方法及び装置 |
Country Status (6)
Country | Link |
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US (2) | US10172166B2 (ja) |
EP (1) | EP3207740B1 (ja) |
JP (1) | JP6535090B2 (ja) |
KR (1) | KR102242295B1 (ja) |
CN (1) | CN106717108B (ja) |
WO (1) | WO2016060483A1 (ja) |
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KR102242295B1 (ko) | 2014-10-16 | 2021-04-20 | 엘지전자 주식회사 | 무선 통신 시스템에서 이중 연결에서의 e-rab 전환 문제를 처리하기 위한 방법 및 장치 |
WO2018062286A1 (ja) | 2016-09-28 | 2018-04-05 | 日本電気株式会社 | 通信システム、無線アクセス装置、及び無線通信端末並びにこれらの制御方法 |
CN108617025B (zh) | 2016-12-30 | 2021-02-12 | 华为技术有限公司 | 一种双连接方法及接入网设备 |
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- 2015-10-14 KR KR1020177006988A patent/KR102242295B1/ko active IP Right Grant
- 2015-10-14 CN CN201580049343.XA patent/CN106717108B/zh active Active
- 2015-10-14 US US15/509,157 patent/US10172166B2/en active Active
- 2015-10-14 WO PCT/KR2015/010859 patent/WO2016060483A1/en active Application Filing
- 2015-10-14 JP JP2017520475A patent/JP6535090B2/ja active Active
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2018
- 2018-11-07 US US16/183,002 patent/US10582427B2/en active Active
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Also Published As
Publication number | Publication date |
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KR102242295B1 (ko) | 2021-04-20 |
US10582427B2 (en) | 2020-03-03 |
EP3207740A1 (en) | 2017-08-23 |
KR20170069197A (ko) | 2017-06-20 |
US20170280501A1 (en) | 2017-09-28 |
US20190098538A1 (en) | 2019-03-28 |
EP3207740B1 (en) | 2020-09-30 |
CN106717108B (zh) | 2020-04-28 |
EP3207740A4 (en) | 2018-05-16 |
JP6535090B2 (ja) | 2019-06-26 |
CN106717108A (zh) | 2017-05-24 |
WO2016060483A1 (en) | 2016-04-21 |
US10172166B2 (en) | 2019-01-01 |
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