JP6212121B2 - 無線通信システムにおけるアンテナ仮想化方法及び装置 - Google Patents
無線通信システムにおけるアンテナ仮想化方法及び装置 Download PDFInfo
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Description
以下の実施例は、本発明の構成要素と特徴を所定の形態で結合したものである。各構成要素又は特徴は、特別の言及がない限り、選択的なものと考慮すればよい。各構成要素又は特徴は、他の構成要素や特徴と結合していない形態で実施されもてよく、一部の構成要素及び/又は特徴を結合して本発明の実施例を構成してもよい。本発明の実施例で説明される動作の順序は変更されてもよい。ある実施例の一部の構成や特徴は、他の実施例に含まれてもよく、他の実施例の対応する構成又は特徴に取り替えられてもよい。
Claims (10)
- 無線通信システムにおける端末のアンテナ再設定方法であって、
前記端末が、基地局にアンテナ再設定要求のための要求メッセージを送信するステップと、
前記端末が、前記基地局から、前記アンテナ再設定要求が承認されたかを示す承認メッセージを受信するステップと、
前記端末が、前記アンテナ再設定要求が承認された時、アンテナ再設定情報を前記基地局へ送信するステップと、
を含み、
前記アンテナ再設定情報は、一つの仮想アンテナへマッピングされた一つ以上の物理アンテナの個数を含むアンテナ仮想化パターンについての情報を含み、
一つの仮想アンテナにマッピングされた前記一つ以上の物理アンテナの個数は、前記端末の移動速度、前記端末の移動方向、及び前記端末の移動方向に関連する前記一つ以上の物理アンテナの配列方向に従って決定される、端末のアンテナ再設定方法。 - 前記アンテナ仮想化パターンについての情報は、送信仮想アンテナの総個数、受信仮想アンテナの総個数、又は前記一つ以上の物理アンテナを特定する情報のうち少なくとも一つをさらに含む、請求項1に記載の端末のアンテナ再設定方法。
- 前記一つの仮想アンテナにマッピングされる前記一つ以上の物理アンテナの個数は、前記端末の移動速度に比例する、請求項1に記載の端末のアンテナ再設定方法。
- 一つの仮想アンテナにマッピングされた前記一つ以上の物理アンテナの個数は、前記端末の移動の有無、加速状態又は減速状態のうち少なくとも一つを含む移動状態に基づいてさらに決定される、請求項1に記載の端末のアンテナ再設定方法。
- 一つの仮想アンテナにマッピングされた前記一つ以上の物理アンテナの個数は、前記端末と前記基地局間の距離、前記端末と前記基地局の相対的な位置、及び前記端末と前記基地局間のチャネル状態のうちの少なくとも一つを含む通信状態に基づいてさらに決定される、請求項1に記載の端末のアンテナ再設定方法。
- 前記端末は、前記アンテナ仮想化パターンにしたがって一つ以上の仮想アンテナを設定し、前記アンテナ再設定要求の承認を示す前記情報を受信した後、又は前記再設定完了確認応答情報を受信した後、前記一つ以上の仮想アンテナを用いて前記基地局と通信を行う、請求項1に記載の端末のアンテナ再設定方法。
- 前記端末がデータ送受信を行わないとき、前記アンテナ再設定が行われる、請求項1に記載の端末のアンテナ再設定方法。
- 無線通信システムにおいて基地局が端末のアンテナ再設定を支援する方法であって、
前記基地局が、前記端末からアンテナ再設定要求のための要求メッセージを受信するステップと、
前記基地局が、前記端末に前記アンテナ再設定要求が承認されるかを示す承認メッセージを送信するステップと、
前記基地局が、前記アンテナ再設定要求が承認された時、アンテナ再設定情報を前記端末から受信するステップと、
を含み、
前記アンテナ再設定情報は、一つの仮想アンテナへマッピングされた一つ以上の物理アンテナの個数を含むアンテナ仮想化パターンについての情報を含み、
一つの仮想アンテナにマッピングされた前記一つ以上の物理アンテナの個数は、前記端末の移動速度、前記端末の移動方向、及び前記端末の移動方向に関連する前記一つ以上の物理アンテナの配列方向に従って決定される、端末のアンテナ再設定支援方法。 - 無線通信システムにおいてアンテナ再設定を行う端末であって、
送信器と、
受信器と、
プロセッサと、
を備え、
前記プロセッサは、前記端末が基地局にアンテナ再設定要求のための要求メッセージを前記送信器を用いて送信し、前記基地局から前記アンテナ再設定要求が承認されたかを示す承認メッセージを前記受信器を用いて受信し、前記アンテナ再設定要求が前記送信器を用いて承認された時、アンテナ再設定情報を前記基地局へ送信するように制御するように構成され、
前記アンテナ再設定情報は、一つの仮想アンテナへマッピングされた一つ以上の物理アンテナの個数を含むアンテナ仮想化パターンについての情報を含み、
一つの仮想アンテナにマッピングされた前記一つ以上の物理アンテナの個数は、前記端末の移動速度、前記端末の移動方向、及び前記端末の移動方向に関連する前記一つ以上の物理アンテナの配列方向に従って決定される、アンテナ再設定を行う端末。 - 無線通信システムにおいて端末のアンテナ再設定を支援する基地局であって、
送信器と、
受信器と、
プロセッサと、
を備え、
前記プロセッサは、前記基地局が前記端末からアンテナ再設定要求のための要求メッセージを前記受信器を用いて受信し、前記端末に前記アンテナ再設定要求が承認されたかを示す承認メッセージを送信し、前記アンテナ再設定要求が承認された時、アンテナ再設定情報を前記端末から受信するように制御するように構成され、
前記アンテナ再設定情報は、一つの仮想アンテナへマッピングされた一つ以上の物理アンテナの個数を含むアンテナ仮想化パターンについての情報を含み、
一つの仮想アンテナにマッピングされた前記一つ以上の物理アンテナの個数は、前記端末の移動速度、前記端末の移動方向、及び前記端末の移動方向に関連する前記一つ以上の物理アンテナの配列方向に従って決定される、端末のアンテナ再設定を支援する基地局。
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PCT/KR2013/007894 WO2014035216A1 (ko) | 2012-08-31 | 2013-09-02 | 무선 통신 시스템에서 안테나 가상화 방법 및 장치 |
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CN104782055A (zh) | 2015-07-15 |
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EP2892163B1 (en) | 2018-05-02 |
WO2014035216A1 (ko) | 2014-03-06 |
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