JP4677490B2 - 無線移動通信システムにおける無線接続情報送受信方法 - Google Patents
無線移動通信システムにおける無線接続情報送受信方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 66
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L17/00—Apparatus or local circuits for transmitting or receiving codes wherein each character is represented by the same number of equal-length code elements, e.g. Baudot code
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
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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
- H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
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Description
Claims (25)
- 移動通信システムにおいて接続情報を送信する方法であって、
前記方法は、
ソース基地局によって、端末のターゲット基地局のセルへのハンドオーバーの実行を決定することと、
前記端末の前記ソース基地局から前記ターゲット基地局へのハンドオーバーを実行するためのハンドオーバー要求を前記ソース基地局から前記ターゲット基地局に送信することと、
前記ソース基地局において、前記ハンドオーバー要求を受信した前記ターゲット基地局から接続情報を受信することであって、前記接続情報を受信することは、前記ハンドオーバー要求を送信することの後に起きる、ことと、
前記端末に前記ターゲット基地局への接続を許可するように構成された接続情報を前記ソース基地局から前記端末に送信することと
を含み、
前記接続情報は、ランダムアクセス手順のためのプリアンブル情報を含み、
前記プリアンブル情報は、特定の端末に対してのみ用いられる専用プリアンブルであり、
前記専用プリアンブルは、前記ターゲット基地局によって決定され、
前記専用プリアンブルは、前記端末と前記ターゲット基地局との間の接続を設定するのに用いられる、方法。 - 前記ソース基地局によって、前記端末から測定報告を受信することをさらに含む、請求項1に記載の方法。
- 前記測定報告が、前記ターゲット基地局のセルを含む複数のセルのダウンリンク物理チャネル条件を含む、請求項2に記載の方法。
- 前記受信した測定報告に基づいてハンドオーバーを実行するか否かを決定することをさらに含む、請求項3に記載の方法。
- 前記プリアンブル情報が、周波数情報及び時間情報を含む、請求項1に記載の方法。
- 前記ソース基地局によって応答が受信されると、前記接続情報を含むハンドオーバー命令を前記ソース基地局から前記端末に送信することをさらに含む、請求項1に記載の方法。
- 移動通信システムにおいて接続情報を送信する方法であって、
前記方法は、
ターゲット基地局において、端末のソース基地局から前記ターゲット基地局へのハンドオーバーを実行するためのハンドオーバー要求を前記ソース基地局から受信することと、
前記ハンドオーバー要求を受信すると、前記ターゲット基地局から前記ソース基地局に接続情報を送信することと
を含み、
前記接続情報は、前記端末に前記ターゲット基地局への接続を許可するために用いられ、
前記接続情報は、ランダムアクセス手順のためのプリアンブル情報を含み、
前記プリアンブル情報は、特定の端末に対してのみ用いられる専用プリアンブルであり、
前記専用プリアンブルは、前記ターゲット基地局によって決定され、
前記専用プリアンブルは、前記端末と前記ターゲット基地局との間の接続を設定するのに用いられる、方法。 - 前記ターゲット基地局によって、アップリンクのための無線リソースを割り当て、無線リソース割当情報を前記端末に送信することをさらに含む、請求項7に記載の方法。
- 前記無線リソース割当情報が、ダウンリンクSCH(Shared Channel)及びダウンリ
ンクSCCH(Shared Control Channel)の少なくとも一方を介して前記端末に送信される、請求項8に記載の方法。 - 前記割り当てられたリソース情報がACK/NACK信号に含まれる、請求項9に記載の方法。
- 前記プリアンブル情報が、前記端末を識別するのに使用される、請求項7に記載の方法。
- 前記ターゲット基地局によって、前記端末からハンドオーバー完了メッセージを受信することをさらに含む、請求項7に記載の方法。
- 前記ハンドオーバー完了メッセージが、前記アップリンクのための無線リソース割当がアップリンクトラフィックデータの送信に十分である場合、前記アップリンクトラフィックデータを含む、請求項12に記載の方法。
- 移動通信システムにおいて接続情報を受信する方法であって、
前記方法は、
ターゲット基地局によってハンドオーバー要求が許可された後に、端末によって、ソース基地局から接続情報を受信することであって、前記接続情報は、ランダムアクセス手順のためのプリアンブル情報を含み、前記プリアンブル情報は、特定の端末に対してのみ用いられる専用プリアンブルであり、前記専用プリアンブルは、前記ターゲット基地局によって決定される、ことと、
前記端末によって、前記端末と前記ターゲット基地局との間の無線接続を設定することができるように、前記受信した接続情報を利用して前記ターゲット基地局と前記ランダムアクセス手順を行うことと
を含む、方法。 - 他のセルのためのダウンリンク物理チャネルの条件を周期的に又はイベントの発生時に測定することによって、前記端末から、前記ソース基地局に測定報告を送信することをさらに含む、請求項14に記載の方法。
- 前記測定報告が、現在のセルから他のセルにハンドオーバーを実行するか否かを決定するのに利用される、請求項15に記載の方法。
- ターゲットセルと無線接続手順を行うために、前記プリアンブル情報を前記ターゲット基地局に送信することをさらに含む、請求項14に記載の方法。
- 前記接続情報が前記プリアンブル情報の伝送特性を含み、前記伝送特性が前記プリアンブル情報を送信するのに利用される周波数及び時間に関連する、請求項14に記載の方法。
- 前記接続情報が、前記ターゲット基地局から送信されたシステム情報を含む、請求項14に記載の方法。
- 前記端末によって、ダウンリンクSCCH(Shared Control Channel)を介してネットワークから無線リソース情報を受信することをさらに含む、請求項14に記載の方法。
- 前記端末によって、ACK/NACK信号内の無線リソース情報をネットワークから受信することをさらに含む、請求項14に記載の方法。
- 前記端末によって、前記ターゲット基地局にハンドオーバー完了メッセージを送信することをさらに含む、請求項14に記載の方法。
- 前記ハンドオーバー完了メッセージが、前記端末のバッファ状態情報及びアップリンクトラフィックデータの少なくとも一方を含む、請求項22に記載の方法。
- 移動通信システムにおいてターゲット基地局に無線接続を設定する移動端末であって、
前記移動端末は、
ターゲット基地局によってハンドオーバー要求が許可された後にソース基地局から接続情報を受信することと、前記端末と前記ターゲット基地局との間の無線接続を設定することができるように、前記受信した接続情報を利用して前記ターゲット基地局とランダムアクセス手順を行うこととを実行するように適合された無線プロトコルを含み、前記接続情報は、ランダムアクセス手順のためのプリアンブル情報を含み、前記プリアンブル情報は、特定の端末に対してのみ用いられる専用プリアンブルであり、前記専用プリアンブルは、前記ターゲット基地局によって決定される、端末。 - 前記ソース基地局及びターゲット基地局が、E−UMTS(Evolved Universal Mobile Telecommunication System)でそれぞれソースエンハンストNodeB(ソースeNB)、ターゲットエンハンストNode B(ターゲットeNB)である、請求項24に記載の端末。
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US73208005P | 2005-10-31 | 2005-10-31 | |
KR1020060063135A KR100981811B1 (ko) | 2005-10-31 | 2006-07-05 | 이동통신 시스템에서의 무선 접속정보 전달방법 |
PCT/KR2006/003697 WO2007066882A1 (en) | 2005-10-31 | 2006-09-15 | Method of transmitting and receiving radio access information in a wireless mobile communications system |
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JP2008536525A Expired - Fee Related JP4991038B2 (ja) | 2005-10-31 | 2006-10-27 | 移動通信端末のデータ受信方法 |
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JP (2) | JP4677490B2 (ja) |
CN (6) | CN101292446A (ja) |
BR (2) | BRPI0617783A2 (ja) |
ES (1) | ES2799299T3 (ja) |
HK (1) | HK1250869A1 (ja) |
RU (2) | RU2411660C2 (ja) |
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