JP2017507512A - セル識別子を持つd2dサブフレームを使用する装置間(d2d)ユーザ機器(ue)装置のハンドオーバ - Google Patents
セル識別子を持つd2dサブフレームを使用する装置間(d2d)ユーザ機器(ue)装置のハンドオーバ Download PDFInfo
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Abstract
Description
Claims (23)
- 端末間(D2D)ユーザ機器(UE)装置において行われる方法であって
前記D2D UE装置と別のD2D UE装置とが第1の基地局によって提供された第1のセル内に位置する間、D2D通信を使用して前記別のD2D UE装置と通信する工程と、
前記第1のセルから第2のセルへのハンドオーバが完了した後、D2Dサブフレームを前記別のD2D UE装置に送信する工程であって、前記D2Dサブフレームは、前記第2のセルを特定するセル識別子を伝達する、工程と、
前記第2のセルを提供する第2の基地局にD2D要求を送信する工程と、
前記第2の基地局から、D2D通信リソースを特定する通信リソース情報を受信する工程と、
前記D2D通信リソースを使用して、前記別のD2D UE装置とD2D通信を続ける工程と、を含む、方法。 - 前記ハンドオーバ手順が開始された後、前記セル識別子と前記第2のセルの周波数とを有するメッセージを送信する工程を更に含む、請求項1に記載の方法。
- 前記別のD2D UE装置において前記セル識別子と前記周波数とを有する前記メッセージを受信することにより、前記別のD2D UE装置におけるタイマがトリガされ、前記タイマが満了前に停止した場合、前記別のD2D UE装置は、前記メッセージに示された前記周波数に対応するディスカバリ信号をモニタする、請求項2に記載の方法。
- 前記ハンドオーバ手順が開始された後、D2D通信を中止する工程を更に含む、請求項1に記載の方法。
- 前記D2Dサブフレームを送信することは、前記D2D UE装置におけるディスカバリ信号のバッファの状態に関わらず、前記ハンドオーバの完了に応じて、D2Dディスカバリサブフレームを前記別のD2D UE装置に送信する工程を含む、請求項1に記載の方法。
- 前記ハンドオーバは、前記D2D UE装置によって送られた測定レポートによりトリガされる、請求項1に記載の方法。
- 前記D2Dサブフレームは、前記セル識別子を含むD2Dメッセージを含む、請求項1に記載の方法。
- 前記D2Dサブフレームの参照信号をスクランブル化するためのスクランブリングシーケンスは、前記セル識別子の関数である、請求項1に記載の方法。
- 第1の端末間(D2D)ユーザ機器(UE)装置において行われる方法であって、
前記第1のD2D UE装置と第2のD2D UE装置とが第1の基地局によって提供された第1のセル内に位置する間、D2D通信を使用して前記第2のD2D UE装置と通信する工程と、
前記第2のD2D UE装置による前記第2のセルへのハンドオーバの後、前記第2のD2D UE装置からD2Dサブフレームを受信する工程であって、前記D2Dサブフレームは、前記第2のセルを特定するセル識別子を伝達する、工程と、
前記セル識別子を含むセルID更新メッセージを前記第1の基地局に送信する工程と、
前記第1の基地局から、D2D通信リソースを特定する通信リソース情報を受信する工程と、
前記D2D通信リソースを使用して、前記第2のD2D UE装置とD2D通信を続ける工程と、を含む、方法。 - 前記ハンドオーバ手順が開始された後、前記セル識別子と前記第2のセルの周波数とを有するメッセージを受信する工程と、
前記周波数に対応する前記ディスカバリ信号のためのチャネルをモニタする工程と、を更に含む、請求項9に記載の方法。 - 前記第1のD2D UE装置において、前記セル識別子と、前記周波数とを有する前記メッセージを受信したことに応じて、タイマを起動させる工程と、
前記タイマの満了前に前記タイマが停止した場合にのみ、前記第1のD2D UE装置において、前記周波数に対応する前記ディスカバリ信号のための前記チャネルをモニタする工程と、を更に含む、請求項10に記載の方法。 - 前記ハンドオーバ手順が開始された後、D2D通信を中止する工程を更に含む、請求項9に記載の方法。
- 前記ハンドオーバは、前記第2のD2D UE装置によって送られた測定レポートによりトリガされる、請求項9に記載の方法。
- 前記D2Dサブフレームは、前記セル識別子を含むD2Dメッセージを含む、請求項9に記載の方法。
- 前記D2Dサブフレーの参照信号をスクランブル化するためのスクランブリングシーケンスは、前記セル識別子の関数である、請求項9に記載の方法。
- 第1の基地局から通信のための第1のセルを提供する工程と、
第2の基地局から通信のための第2のセルを提供する工程であって、第1のユーザ機器(UE)装置及び第2のUE装置は、前記第1のセル内の端末間(D2D)通信リンクを介して通信する、工程と、
前記第2のUE装置による前記第1の基地局から前記第2の基地局へのハンドオーバをトリガするために、前記第1の基地局において、前記第2のUE装置から測定レポートを受信する工程と、
前記ハンドオーバが完了した後、前記第2の基地局において前記第2のUE装置から、D2Dリソースの要求を受信する工程と、
前記第1の基地局において前記第1のUE装置から、前記第2のセルを前記第2のUE装置のサービングセルとして特定するセル識別子を受信する工程と、
前記第1のUE装置と前記第2のUE装置との間のD2D通信のための共通のD2Dリソースを特定するために前記第1の基地局と前記第2の基地局とが協調する工程と、
前記第1の基地局から前記第1のUE装置に、かつ前記第2の基地局から前記第2のUE装置に、通信リソース情報を送信する工程であって、前記通信リソース情報は、前記共通のD2Dリソースを特定する、工程と、を含む、方法。 - 前記セル識別子は、D2Dサブフレームにおいて、前記第2のUE装置から前記第1のUE装置において受信される、請求項16に記載の方法。
- 前記セル識別子は、D2Dディスカバリ信号において、前記第2のUE装置から前記第1のUE装置において受信される、請求項17に記載の方法。
- 前記基地局及びUE装置は、第3世代パートナシッププロジェクト・ロング・ターム・エボリューション(3GPP LTE)通信仕様の少なくとも1つのリリースに従って動作する、請求項16に記載の方法。
- D2D UE装置と別のD2D UE装置とが第1の基地局によって提供された第1のセル内に位置する間、D2D通信を使用して、前記別のD2D UE装置とD2D信号を送受信するように構成されている送受信部を備える端末間(D2D)ユーザ機器(UE)装置であって、
前記送受信部は、送信部及び受信部を備え、前記送信部は、
前記D2D UE装置による前記第1のセルから前記第2のセルへのハンドオーバが完了した後、前記第2のセルを特定するセル識別子を伝達するD2Dサブフレームを前記別のD2D UE装置に送信し、前記第2のセルを提供する第2の基地局にD2D要求を送信するように構成され、
前記受信部は、前記第2の基地局から、D2D通信リソースを特定する通信リソース情報を受信するように構成され、前記送受信部は、前記D2D通信リソースを使用して、前記別のD2D UE装置とD2D通信を再開するように構成されている、D2D UE装置。 - 前記ハンドオーバ手順が開始された後、前記セル識別子と前記第2のセルの周波数とを有するメッセージを、前記別のD2D UE装置に送信するように構成されている前記送信部を更に備える、請求項19に記載のD2D UE装置。
- 前記D2Dサブフレームは、前記セル識別子を含むD2Dメッセージを含む、請求項19に記載のD2D UE装置。
- 前記D2Dサブフレームの参照信号をスクランブル化するためのスクランブリングシーケンスは、前記セル識別子の関数である、請求項19に記載のD2D UE装置。
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US61/919,284 | 2013-12-20 | ||
PCT/US2014/071260 WO2015095583A1 (en) | 2013-12-20 | 2014-12-18 | Handover of device-to-device (d2d) user equipment (ue) devices using d2d subframes with cell identifiers |
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JP2016539327A Active JP6328246B2 (ja) | 2013-12-20 | 2014-12-18 | セル識別子を持つ装置間(d2d)サブフレーム |
JP2016539283A Active JP6275851B2 (ja) | 2013-12-20 | 2014-12-18 | セル識別子を持つd2dサブフレームを使用する装置間(d2d)ユーザ機器(ue)装置のハンドオーバ |
JP2016539303A Active JP6401789B2 (ja) | 2013-12-20 | 2014-12-18 | 装置間のためのカバレッジ遷移インジケータ |
JP2017226139A Active JP6383080B2 (ja) | 2013-12-20 | 2017-11-24 | 装置間のためのカバレッジ遷移インジケータ |
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- 2014-12-18 EP EP19165748.5A patent/EP3522649B1/en active Active
- 2014-12-18 WO PCT/US2014/071260 patent/WO2015095583A1/en active Application Filing
- 2014-12-18 US US15/105,493 patent/US9894671B2/en active Active
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- 2014-12-18 WO PCT/US2014/071266 patent/WO2015095586A1/en active Application Filing
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- 2014-12-18 US US15/105,536 patent/US9992783B2/en active Active
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2017
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