JP4768860B2 - 移動通信方法及び無線基地局 - Google Patents
移動通信方法及び無線基地局 Download PDFInfo
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- JP4768860B2 JP4768860B2 JP2009552528A JP2009552528A JP4768860B2 JP 4768860 B2 JP4768860 B2 JP 4768860B2 JP 2009552528 A JP2009552528 A JP 2009552528A JP 2009552528 A JP2009552528 A JP 2009552528A JP 4768860 B2 JP4768860 B2 JP 4768860B2
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- 238000010295 mobile communication Methods 0.000 title claims description 48
- 238000000034 method Methods 0.000 title claims description 29
- 238000012546 transfer Methods 0.000 claims description 100
- 230000005540 biological transmission Effects 0.000 claims description 15
- 239000003550 marker Substances 0.000 description 27
- 238000005259 measurement Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 4
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/34—Reselection control
- H04W36/36—Reselection control by user or terminal equipment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
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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
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Description
図1及び図2を参照して、本発明の第1の実施形態に係る移動通信システムについて説明する。
図3及び図4を参照して、本発明の第1の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。
本発明の第1の実施形態に係る移動通信システムによれば、移動局UEが、X2ハンドオーバを行う場合に、サービングゲートウェイ装置S-GWが、End Markerデータによって、ハンドオーバ元無線基地局S-eNBによる連続上りデータのサービングゲートウェイ装置S-GWへの転送の完了を検知することができる。
図5乃至図7を参照して、本発明の第2の実施形態に係る移動通信システムについて説明する。以下、本実施形態に係る移動通信システムについて、上述の第1の実施形態に係る移動通信システムとの相違点に着目して説明する。
図5、図8及び図9を参照して、本発明の第3の実施形態に係る移動通信システムについて説明する。以下、本実施形態に係る移動通信システムについて、上述の第1の実施形態に係る移動通信システムとの相違点に着目して説明する。
Claims (7)
- 第1無線基地局が、移動局が該第1無線基地局配下のセルから第2無線基地局配下のセルにハンドオーバすべきであると決定した場合、上位ノードから受信した下りデータのうち、該移動局に対する送信が完了していない下りデータを、該第2無線基地局に対して転送する工程Aと、
前記第2無線基地局が、転送完了通知データを受信した場合、該転送完了通知データを用いて、前記上位ノードから受信した下りデータと前記第1無線基地局から受信した前記下りデータとの間の順序制御を行う工程Bとを有することを特徴とする移動通信方法。 - 前記第1無線基地局が、該第1無線基地局から前記第2無線基地局への下りデータの転送が完了した後に、その旨を示す前記転送完了通知データを該第2無線基地局に対して送信する工程Cを更に有することを特徴とする請求項1に記載の移動通信方法。
- 前記第1無線基地局が、前記上位ノードから受信した前記転送完了通知データを前記第2無線基地局に対して送信する工程Dを更に有することを特徴とする請求項1に記載の移動通信方法。
- 前記工程Aにおいて、前記第1無線基地局が、所定期間の間、前記上位ノードから下りデータを受信しなかった場合に、前記転送完了通知データを前記第2無線基地局に対して送信することを特徴とする請求項2に記載の移動通信方法。
- 無線基地局であって、
移動局が前記無線基地局配下のセルから他の無線基地局配下のセルにハンドオーバすべきであると決定した場合、上位ノードから受信した下りデータのうち、該移動局に対する送信が完了していない下りデータを、該他の無線基地局に対して転送するように構成されている下りデータ転送部と、
前記無線基地局から前記他の無線基地局への下りデータの転送が完了した後に、その旨を示す転送完了通知データを該他の無線基地局に対して送信するように構成されている転送完了通知データ送信部とを具備することを特徴とする無線基地局。 - 前記転送完了通知データ送信部は、所定期間の間、前記上位ノードから下りデータを受信しなかった場合に、前記転送完了通知データを前記第2無線基地局に対して送信するように構成されていることを特徴とする請求項5に記載の無線基地局。
- 前記転送完了通知データ送信部は、前記上位ノードから、下りデータの前記第2無線基地局への転送を開始したことを通知する切替完了通知を受信した場合に、前記転送完了通知データを前記第2無線基地局に対して送信するように構成されていることを特徴とする請求項5に記載の無線基地局。
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JP2009552528A JP4768860B2 (ja) | 2008-02-08 | 2009-02-06 | 移動通信方法及び無線基地局 |
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JP2008029770 | 2008-02-08 | ||
JP2008029770 | 2008-02-08 | ||
PCT/JP2009/052028 WO2009099170A1 (ja) | 2008-02-08 | 2009-02-06 | 移動通信方法及び無線基地局 |
JP2009552528A JP4768860B2 (ja) | 2008-02-08 | 2009-02-06 | 移動通信方法及び無線基地局 |
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JPWO2009099170A1 JPWO2009099170A1 (ja) | 2011-05-26 |
JP4768860B2 true JP4768860B2 (ja) | 2011-09-07 |
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US (1) | US8699454B2 (ja) |
EP (1) | EP2247153B1 (ja) |
JP (1) | JP4768860B2 (ja) |
KR (1) | KR20100130594A (ja) |
CN (1) | CN101940054B (ja) |
RU (1) | RU2479163C2 (ja) |
WO (1) | WO2009099170A1 (ja) |
Families Citing this family (177)
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JP4870201B2 (ja) * | 2009-10-14 | 2012-02-08 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信方法及び無線基地局 |
CN102202361B (zh) | 2010-03-23 | 2013-12-04 | 华为技术有限公司 | 一种用户在基站间的切换接入控制方法、装置和系统 |
CN102244905B (zh) * | 2010-05-14 | 2014-03-19 | 中兴通讯股份有限公司 | 一种快速释放切换源侧资源的方法及装置 |
CN102300272B (zh) * | 2010-06-22 | 2015-09-16 | 中兴通讯股份有限公司 | S1切换的数据转发方法及移动通信系统 |
EP2442610B1 (en) | 2010-10-13 | 2017-12-06 | Alcatel Lucent | In-sequence delivery of upstream user traffic during handover |
GB2488167A (en) * | 2011-02-18 | 2012-08-22 | Nec Corp | Handover procedure in a home base station connected to a home base station gateway |
CN102791008B (zh) * | 2011-05-16 | 2017-10-27 | 南京中兴新软件有限责任公司 | 跨基站切换过程中数据的反传方法及基站 |
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KR20100130594A (ko) | 2010-12-13 |
JPWO2009099170A1 (ja) | 2011-05-26 |
EP2247153A4 (en) | 2014-04-09 |
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US8699454B2 (en) | 2014-04-15 |
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