JP6412225B2 - 無線通信システムにおけるd2d動作のための資源を使用する方法及び装置 - Google Patents
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Description
本明細書は、例えば、以下の項目も提供する。
(項目1)
無線通信システムにおける端末(UE;user equipment)によるD2D(device−to−device)動作のための資源を使用する方法であって、
RRC(radio resource control)アイドルモードでD2D信号の送信のために使用されるD2D資源を受信し、
前記RRCアイドルモードで前記D2D資源を使用して前記D2D信号を送信することを含む方法。
(項目2)
前記D2D資源は、システム情報を介して構成されることを特徴とする項目1に記載の方法。
(項目3)
前記システム情報は、システム情報ブロックタイプ−18であることを特徴とする項目2に記載の方法。
(項目4)
前記D2D資源は、ただ前記RRCアイドルモードのみで使用されることを特徴とする項目1に記載の方法。
(項目5)
RRC連結モードに進入した後、前記D2D資源を使用して前記D2D信号を送信することをさらに含む項目1に記載の方法。
(項目6)
前記D2D資源は、RRC連結再構成メッセージを受信する前まで前記RRC連結モードで使用されることを特徴とする項目5に記載の方法。
(項目7)
前記D2D信号は、D2D探索信号またはD2D通信データのうち、少なくとも1つを含むことを特徴とする項目1に記載の方法。
(項目8)
無線通信システムにおける端末(UE;user equipment)であって、
無線信号を送信または受信するRF(radio frequency)部と、
前記RF部と連結されるプロセッサと、
を備え、
前記プロセッサは、
RRC(radio resource control)アイドルモードでD2D(device−to−device)信号の送信のために使用されるD2D資源を受信し、
前記RRCアイドルモードで前記D2D資源を使用して前記D2D信号を送信するように構成されることを特徴とする端末。
(項目9)
無線通信システムにおける端末(UE;user equipment)によるD2D(device−to−device)動作のための資源を使用する方法であって、
RRC(radio resource control)連結モードでD2D信号の送信のために使用されるD2D資源を受信し、
RRCアイドルモードで前記D2D資源を使用して前記D2D信号を送信することを含む方法。
(項目10)
前記D2D資源は、専用シグナリングを介して構成されることを特徴とする項目9に記載の方法。
(項目11)
前記専用シグナリングは、RRC連結再構成メッセージまたはRRC連結解除メッセージを含むことを特徴とする項目10に記載の方法。
(項目12)
前記D2D資源は、ただ前記RRCアイドルモードのみで使用されることを特徴とする項目9に記載の方法。
(項目13)
前記RRC連結モードで前記D2D資源を使用して前記D2D信号を送信することをさらに含む項目9に記載の方法。
(項目14)
前記D2D資源が前記RRCアイドルモード及び前記RRC連結モードの両方で使用されることを指示する指示子を受信することをさらに含む項目13に記載の方法。
(項目15)
前記D2D信号は、D2D探索信号またはD2D通信データのうち、少なくとも1つを含むことを特徴とする項目9に記載の方法。
端末とeNBとの間にメッセージを送信するために使用されるシグネチャシーケンスに互いに異なる原因値がマッピングされると知られている。さらに、CQI(channel quality indicator)または経路損失及び原因またはメッセージ大きさは、初期プリアンブルに含むための候補であると知られている。
・探索及び直接通信のための前記UEの承認及び構成
・前記EPCレベルProSe探索の前記機能を可能なようにする
・ProSe関連された新規加入者データ及びデータストレージの取扱、及びまた、ProSe IDの取扱
・保安関連機能
・政策関連された機能に対して前記EPCに対する制御を提供
・(例えば、オフライン課金のようなEPCの外部またはこれを介しての)課金のための機能を提供
ProSeの基準構造内での基準点/インターフェースが説明される。
Claims (8)
- 無線通信システムにおける端末(UE)によるD2D(device−to−device)動作のための資源を使用する方法であって、前記方法は、
RRC(radio resource control)アイドルモードにある間において、
ネットワークからシステム情報を介してD2D探索信号のための自動送信資源プールを受信すること、および、
前記D2D探索信号のための自動送信資源プールに従ってD2D探索信号を送信すること
を行うことと、
前記RRCアイドルモードからRRC連結モードに進入することと
を含み、
前記D2D探索信号のための自動送信資源プールは、前記RRCアイドルモードにおいてのみ使用され、前記RRC連結モードに進入した後では有効ではなく、
前記有効ではない自動送信資源プールは、連結確立手順が成功的に完了し、前記連結確立手順の間に前記ネットワークが、前記UEが前記有効ではない自動送信資源プールを有効なこととみなすことが許されることを指示する場合に、再び有効であり、
前記システム情報は、前記D2D探索信号のために定義されたシステム情報ブロック(SIB)に対応する、方法。 - 前記SIBは、システム情報ブロックタイプ−18である、請求項1に記載の方法。
- 前記D2D探索信号のための自動送信資源プールは、非−UE特定基盤で割り当てられる探索情報の公知のための資源に対応する、請求項1〜2のいずれか一項に記載の方法。
- 前記RRC連結モードにある間において、
専用シグナリングを介して前記RRC連結モードにおけるD2D探索信号の送信のためのD2D資源を受信すること、および、
前記RRC連結モードにおける前記D2D探索信号の送信のためのD2D資源に従ってD2D探索信号を送信すること
を行うことをさらに含む、請求項1〜3のいずれか一項に記載の方法。 - 無線通信システムにおける端末(UE)であって、前記UEは、
RF(radio frequency)部と、
前記RF部と連結されるプロセッサと
を備え、
前記プロセッサは、
RRC(radio resource control)アイドルモードにある間において、
ネットワークからシステム情報を介してD2D探索信号のための自動送信資源プールを受信するように前記RF部を制御すること、および、
前記D2D探索信号のための自動送信資源プールに従ってD2D探索信号を送信するように前記RF部を制御すること
を行うことと、
前記RRCアイドルモードからRRC連結モードに進入することと
を実行し、
前記D2D探索信号のための自動送信資源プールは、前記RRCアイドルモードにおいてのみ使用され、前記RRC連結モードに進入した後では有効ではなく、
前記有効ではない自動送信資源プールは、連結確立手順が成功的に完了し、前記連結確立手順の間に前記ネットワークが、前記UEが前記有効ではない自動送信資源プールを有効なこととみなすことが許されることを指示する場合に、再び有効であり、
前記システム情報は、前記D2D探索信号のために定義されたシステム情報ブロック(SIB)に対応する、UE。 - 前記SIBは、システム情報ブロックタイプ−18である、請求項5に記載のUE。
- 前記D2D探索信号のための自動送信資源プールは、非−UE特定基盤で割り当てられる探索情報の公知のための資源に対応する、請求項5〜6のいずれか一項に記載のUE。
- 前記RRC連結モードにある間において、前記プロセッサは、さらに、
専用シグナリングを介して前記RRC連結モードにおけるD2D探索信号の送信のためのD2D資源を受信すること、および、
前記RRC連結モードにおける前記D2D探索信号の送信のためのD2D資源に従ってD2D探索信号を送信すること
を行うように前記RF部を制御する、請求項5〜7のいずれか一項に記載のUE。
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