JP5889950B2 - 移動通信システムにおけるハンドオーバ支援情報を提供するための装置及びその方法 - Google Patents
移動通信システムにおけるハンドオーバ支援情報を提供するための装置及びその方法 Download PDFInfo
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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
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
-
- 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
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
-
- 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
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/00837—Determination of triggering parameters for hand-off
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
- H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
- H04W36/324—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data by mobility data, e.g. speed data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
- H04W52/244—Interferences in heterogeneous networks, e.g. among macro and femto or pico cells or other sector / system interference [OSI]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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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
-
- 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
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
- H04W36/0088—Scheduling hand-off measurements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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Description
前記「CellIndividualTimeToTrigger」フィールドは、従来の「CellIndividualOffset」フィールドと類似して隣接セル別に独立的に適用されるメジャメントレポートトリガリングに関するパラメータとなる。従って、端末は隣接基地局別に独立的なTTT値を適用することができ、CellIndividualTimeToTriggerは下記表5のようである。
110、120 ラジオネットワーク
130 ピコセル
140 ピコ
150 ピャントムセル
Claims (22)
- 移動通信システムにおける端末のハンドオーバをサポートするための基地局の方法において、
複数の隣接基地局に対するTTT(Time To Trigger)を識別する過程と、
前記複数の隣接基地局のグループに対するTTTを示す情報を含むメッセージを端末に送信する過程と、を含み、
前記情報は、前記複数の隣接基地局のグループに対応する少なくとも一つの物理的セルアイデンティティの範囲(Physical cell identifier range)に基づいて前記TTTを示す方法。 - 前記情報は、セルリストに基づいて前記複数の隣接基地局のグループに対するTTTを示す請求項1に記載の方法。
- 前記セルリストは、少なくとも一つの物理的セルアイデンティティの範囲で構成され、
前記情報は、前記少なくとも一つの物理的セルアイデンティティの範囲に対するTTTを示す請求項2に記載の方法。 - 前記情報は、前記複数の隣接基地局の中で少なくとも一つの隣接基地局に対する追加的なTTTを示す請求項1に記載の方法。
- 前記複数の隣接基地局の中で少なくとも一つの隣接基地局から異なるTTTを受信する過程と、
前記異なるTTTに基づいて前記少なくとも一つの隣接基地局のTTTを代替する過程と、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けるハンドオーバのための端末の方法において、
サービング基地局から複数の隣接基地局のグループに対するTTT(Time To Trigger)を示す情報を含むメッセージを受信する過程と、
前記情報に基づいて前記複数の隣接基地局の中で少なくとも一つの基地局に対するTTTを確認する過程と、
前記確認された測定対象基地局のTTTに基づいて前記サービング基地局に測定報告メッセージを送信する過程と、を含み、
前記情報は、前記複数の隣接基地局のグループに対応する少なくとも一つの物理的セルアイデンティティの範囲(Physical cell identifier range)に基づいて前記TTTを示す方法。 - 前記情報に基づいて前記複数の基地局の中でハンドオーバーのためのターゲット基地局のTTTを確認する過程をさらに含む請求項6に記載の方法。
- 前記情報は、セルリストに基づいて前記複数の隣接基地局のグループに対するTTTを示す請求項6に記載の方法。
- 前記セルリストは、少なくとも一つの物理的セルアイデンティティの範囲で構成され、
前記情報は前記少なくとも一つの物理的セルアイデンティティの範囲に対するTTTを示す請求項8に記載の方法。 - 前記情報は、前記複数の基地局の中で少なくとも一つの隣接基地局に対する追加的なTTTを示す請求項6に記載の方法。
- 前記情報に基づいて、前記複数の隣接基地局のグループに対してTTTをそれぞれ適用する請求項6に記載の方法。
- 移動通信システムにおける端末のハンドオーバをサポートするための基地局の装置において、
複数の隣接基地局に対するTTT(Time To Trigger)を識別する制御部と、
前記複数の隣接基地局のグループに対するTTTを示す情報を含むメッセージを端末に送信する通信部と、を含み、
前記情報は、前記複数の隣接基地局のグループに対応する少なくとも一つの物理的セルアイデンティティの範囲(Physical cell identifier range)に基づいて前記TTTを示す装置。 - 前記情報は、セルリストに基づいて前記複数の隣接基地局のグループに対するTTTを示す請求項12に記載の装置。
- 前記セルリストは、少なくとも一つの物理的セルアイデンティティの範囲で構成され、
前記情報は前記少なくとも一つのセルアイデンティティの範囲に対するTTTを示す請求項13に記載の装置。 - 前記情報は、前記複数の隣接基地局の中で少なくとも一つの隣接基地局に対する追加的なTTTを示す請求項12に記載の装置。
- 前記通信部は、前記複数の隣接基地局の中で少なくとも一つの隣接基地局から異なるTTTを受信し、
前記制御部は、前記受信されたTTTに基づいて前記少なくとも一つの隣接基地局のTTTを代替する請求項12に記載の装置。 - 移動通信システムにおけるハンドオーバのための端末の装置において、
サービング基地局から複数の隣接基地局のグループに対するTTT(Time To Trigger)を示す情報を含むメッセージを受信する通信部と、
前記情報に基づいて前記複数の隣接基地局の中で少なくとも一つの基地局に対するTTTを確認し、前記確認されたTTTに基づいて前記サービング基地局に測定報告メッセージを送信するように制御する制御部と、を含み、
前記情報は、前記複数の隣接基地局のグループに対応する少なくとも一つの物理的セルアイデンティティの範囲(Physical cell identifier range)に基づいて前記TTTを示す装置。 - 前記制御部は、前記情報に基づいて前記複数の基地局の中でハンドオーバーのためのターゲット基地局のTTTを確認する請求項17に記載の装置。
- 前記情報は、セルリストに基づいて前記複数の隣接基地局のグループに対するTTTを示す請求項17に記載の装置。
- 前記セルリストは、少なくとも一つの物理的セルアイデンティティの範囲で構成され、
前記情報は前記少なくとも一つの物理的セルアイデンティティの範囲に対するTTTを示す請求項19に記載の装置。 - 前記情報は、前記複数の基地局の中で少なくとも一つの隣接基地局に対する追加的なTTTを示す請求項17に記載の装置。
- 前記制御部は、前記情報に基づいて、前記複数の隣接基地局のグループに対してTTTをそれぞれ適用する請求項17に記載の装置。
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KR1020100038886A KR101722204B1 (ko) | 2010-04-27 | 2010-04-27 | 이동통신 시스템에서 핸드오버 지원 정보 제공을 위한 장치 및 방법 |
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US10602420B2 (en) | 2020-03-24 |
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