JP5499006B2 - 無線通信システムのハンドオーバー中のセカンダリセル解放の方法及び装置 - Google Patents
無線通信システムのハンドオーバー中のセカンダリセル解放の方法及び装置 Download PDFInfo
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- JP5499006B2 JP5499006B2 JP2011235720A JP2011235720A JP5499006B2 JP 5499006 B2 JP5499006 B2 JP 5499006B2 JP 2011235720 A JP2011235720 A JP 2011235720A JP 2011235720 A JP2011235720 A JP 2011235720A JP 5499006 B2 JP5499006 B2 JP 5499006B2
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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
- H04W76/00—Connection management
-
- 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
-
- 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
- H04W36/08—Reselecting an access point
-
- 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
-
- 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
- H04W36/00692—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink using simultaneous multiple data streams, e.g. cooperative multipoint [CoMP], carrier aggregation [CA] or multiple input multiple output [MIMO]
Description
起動しない状態のコンポーネントキャリアとは、トラフィックデータの送信または受信が特定のCC上で実行されないことを指している。ユーザー端末は、単一のPCCのみ、またはPCCのほかに1つ以上のSCCを用いる。
102 eNB
104 ユーザー端末(UE)
106 移動管理装置/サービングゲートウェイ
108 制御プレーン
110 ユーザプレーン
200 多入力多出力(Multiple-Input Multiple-Output;MIMO)システム
210 送信システム
212、236 データソース
214、238 送信(TX)データプロセッサ
220 TX MIMOプロセッサ
222a〜222t 送信機
224a〜224t、252a〜252r アンテナ
230、270 プロセッサ
232、272、310 メモリ
240 復調器
250 受信システム
254a〜254r 送信機
280 変調器
300 通信デバイス
302 入力デバイス
304 出力デバイス
306 制御回路
308 中央処理装置(CPU)
312 プログラムコード
314 送受信機
500、600 方法
E-UTRAN 第三世代無線アクセス技術のアクセスネットワークの進化
MAC 媒体アクセス制御層
MME 移動管理装置
NAS ネットワークアクセスストラタム層
PDCP パケットデータコンバージェンスプロトコル層
PHY 物理層
RLC 無線リンク制御層
RRC 無線リソース制御層
S1、X2 インターフェース
S-GW サービングゲートウェイ
Claims (10)
- ハンドオーバー中においてセカンダリセル(SCell)を解放する方法であって、
ソースeNBが、少なくとも1つのSCellをユーザー端末(UE)に構成設定するステップ;
前記ソースeNBが、前記UEに対して構成設定された全てのSCellのSCellインデックスをHandoverPreparationInformationメッセージ中に含めた上で、前記ソースeNBが、ターゲットeNBに対して前記HandoverPreparationInformationメッセージを送信するステップ;
前記ソースeNBが、前記ターゲットeNBからHandoverRequestAckメッセージを受信するステップであって、前記HandoverRequestAckメッセージは、ハンドオーバー命令を含んでおり、前記ハンドオーバー命令は、前記UEに対して構成設定された全てのSCellのインデックスから成るリストであるsCellToReleaseListを含む、ステップ;および、
前記ソースeNBが、RRCConnectionReconfigurationメッセージを、前記ハンドオーバー命令に基づいて生成した上で、前記ソースeNBが、前記RRCConnectionReconfigurationメッセージを前記ユーザー端末(UE)に対して送信するステップ;
を備え、前記RRCConnectionReconfigurationメッセージは、前記ユーザー端末(UE)が前記UEに対して構成設定された全てのSCellを解放するようにさせるために、前記sCellToReleaseListを含む、ことを特徴とする方法。 - 前記RRCConnectionReconfigurationメッセージは、mobilityControlInfoをさらに含む、請求項1に記載の方法。
- 前記RRCConnectionReconfigurationメッセージは、前記ソースeNBから前記ユーザー端末に送信され、ハンドオーバー手順を起動する請求項1に記載の方法。
- 前記HandoverPreparationInformationメッセージは、前記ソースeNBから前記ターゲットeNBに送信され、ハンドオーバーを要求する請求項1に記載の方法。
- 前記ハンドオーバーは、eNB間ハンドオーバーである請求項1に記載の方法。
- 無線通信システムに用いる通信装置であって、前記通信装置は、
制御回路、
前記制御回路に設置されたプロセッサ、及び
前記制御回路に設置され、且つ前記プロセッサに接続されたメモリを含み、
前記プロセッサは、メモリに保存されたプログラムコードを実行するように構成され、前記プログラムコードは:
ソースeNBが、少なくとも1つのSCellをユーザー端末(UE)に構成設定する動作;
前記ソースeNBが、前記UEに対して構成設定された全てのSCellのSCellインデックスをHandoverPreparationInformationメッセージ中に含めた上で、前記ソースeNBが、ターゲットeNBに対して前記HandoverPreparationInformationメッセージを送信する動作;
前記ソースeNBが、前記ターゲットeNBからHandoverRequestAckメッセージを受信する動作であって、前記HandoverRequestAckメッセージは、ハンドオーバー命令を含んでおり、前記ハンドオーバー命令は、前記UEに対して構成設定された全てのSCellのインデックスから成るリストであるsCellToReleaseListを含む、動作;および、
前記ソースeNBが、RRCConnectionReconfigurationメッセージを、前記ハンドオーバー命令に基づいて生成した上で、前記ソースeNBが、前記RRCConnectionReconfigurationメッセージを前記ユーザー端末(UE)に対して送信する動作;を前記プロセッサに実行させ、
前記RRCConnectionReconfigurationメッセージは、前記ユーザー端末(UE)が、前記UEに対して構成設定された全てのSCellを解放するようにさせるために、前記sCellToReleaseListを含む、ことを特徴とする装置。 - 前記RRCConnectionReconfigurationメッセージは、mobilityControlInfoをさらに含む、請求項6に記載の装置。
- 前記RRCConnectionReconfigurationメッセージは、前記ソースeNBから前記ユーザー端末(UE)に送信され、ハンドオーバー手順を起動する請求項6に記載の装置。
- 前記HandoverPreparationInformationメッセージは、前記ソースeNBから前記ターゲットeNBに送信され、ハンドオーバーを要求する請求項6に記載の装置。
- 前記ハンドオーバーは、eNB間ハンドオーバーである請求項6に記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US40941610P | 2010-11-02 | 2010-11-02 | |
US61/409,416 | 2010-11-02 |
Publications (2)
Publication Number | Publication Date |
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JP2012100262A JP2012100262A (ja) | 2012-05-24 |
JP5499006B2 true JP5499006B2 (ja) | 2014-05-21 |
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JP2011235720A Active JP5499006B2 (ja) | 2010-11-02 | 2011-10-27 | 無線通信システムのハンドオーバー中のセカンダリセル解放の方法及び装置 |
Country Status (9)
Country | Link |
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US (1) | US9237489B2 (ja) |
EP (1) | EP2448325B1 (ja) |
JP (1) | JP5499006B2 (ja) |
KR (1) | KR101443235B1 (ja) |
CN (1) | CN102457917B (ja) |
ES (1) | ES2700601T3 (ja) |
PL (1) | PL2448325T3 (ja) |
TR (1) | TR201815975T4 (ja) |
TW (1) | TWI508583B (ja) |
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- 2011-10-27 JP JP2011235720A patent/JP5499006B2/ja active Active
- 2011-10-27 US US13/282,974 patent/US9237489B2/en active Active
- 2011-10-31 PL PL11008725T patent/PL2448325T3/pl unknown
- 2011-10-31 KR KR1020110112048A patent/KR101443235B1/ko active IP Right Grant
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EP2448325B1 (en) | 2018-09-05 |
TR201815975T4 (tr) | 2018-11-21 |
KR101443235B1 (ko) | 2014-09-19 |
CN102457917B (zh) | 2015-10-28 |
EP2448325A1 (en) | 2012-05-02 |
TWI508583B (zh) | 2015-11-11 |
CN102457917A (zh) | 2012-05-16 |
US9237489B2 (en) | 2016-01-12 |
TW201234884A (en) | 2012-08-16 |
KR20120046692A (ko) | 2012-05-10 |
JP2012100262A (ja) | 2012-05-24 |
US20120106510A1 (en) | 2012-05-03 |
PL2448325T3 (pl) | 2019-03-29 |
ES2700601T3 (es) | 2019-02-18 |
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