JP2021507599A - 電子機器、無線通信方法及びコンピュータ読み取り可能な記録媒体 - Google Patents
電子機器、無線通信方法及びコンピュータ読み取り可能な記録媒体 Download PDFInfo
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Abstract
Description
第1のスキームでは、空間多重化層とコードワードとの間に所定のマッピング方式を有する。
第2のスキームでは、空間多重化層とコードワードとの間のマッピングは、送受信ポイント又はダウンリンクチャネル状態に基づいて確定される。
図25は、本開示の内容の技術を応用できるスマートフォン2500の概略的構成を示すブロック図である。スマートフォン2500は、プロセッサー2501、メモリ2502、記憶装置2503、外部接続インターフェース2504、撮像装置2506、センサ2507、マイクロフォン2508、入力装置2509、表示装置2510、スピーカー2511、無線通信インターフェース2512、一つ又は複数のアンテナスイッチ2515、一つ又は複数のアンテナ2516、バス2517、バッテリー2518及び補助コントローラー2519を含む。
図23は、本開示の技術を応用できるeNBの概略的構成の例を示すブロック図である。eNB2300は、一つ又は複数のアンテナ2310及び基地局デバイし2324を含む。基地局デバイス2324と各アンテナ2310はRFケーブルを介して互いに接続されてもよい。
トの存在又は添加を排除しない。
Claims (19)
- 処理回路を含む基地局側に用いられる電子機器であって、
前記処理回路は、
二つ又は二つよりも多い送受信ポイントを介して多入力多出力伝送を行い、
ユーザ機器に、前記二つ又は二つよりも多い送受信ポイントを介して伝送される空間多重化層とコードワードとの間のマッピングスキームに関連する指示情報を送信するように制御するように配置されている、電子機器。 - 前記マッピングスキームは、第1のスキームと第2のスキームとから選択され、
前記第1のスキームでは、空間多重化層とコードワードとの間に所定のマッピング方式を有し、
前記第2のスキームでは、空間多重化層とコードワードとの間のマッピングが送受信ポイント又はダウンリンクチャネル状態に基づいて確定される請求項1に記載の電子機器。 - 前記マッピングスキームは、同一の送受信ポイントを介して伝送される空間多重化層を同一のコードワードに対応させることを含む請求項1に記載の電子機器。
- 前記処理回路は、
複数の物理ダウンリンク共有チャネルのそれぞれに対して、前記第1のスキームと前記第2のスキームとから当該物理ダウンリンク共有チャネルに用いられるマッピングスキームを確定するように配置される請求項2に記載の電子機器。 - 前記二つ又は二つよりも多い送受信ポイントは、同一の送受信ポイント装置における非コヒーレント伝送を行う二つ又は二つよりも多いアンテナプレートを含む請求項1〜4のいずれか一項に記載の電子機器。
- 前記指示情報は、無線リソース制御シグナリング、媒体アクセス制御−制御要素シグナリング、物理層動的シグナリング、及びブロードキャストメッセージのうちの少なくとも一つにより送信される請求項1〜4のいずれか一項に記載の電子機器。
- 前記物理層動的シグナリングは、ダウンリンク制御情報DCIを含み、且つ、前記ブロードキャストメッセージは、物理ブロードキャストチャネルを介して送信されるシステム通知を含む請求項6に記載の電子機器。
- 基地局側に用いられる無線通信方法であって、
二つ又は二つよりも多い送受信ポイントを介して多入力多出力伝送を行いことと、
ユーザ機器に、前記二つ又は二つよりも多い送受信ポイントを介して伝送される空間多重化層とコードワードとの間のマッピングスキームに関連する指示情報を送信することと
を含む無線通信方法。 - 処理回路を含むユーザ装置用の電子機器であって、
前記処理回路は、
基地局による二つ又は二つよりも多い送受信ポイントを介した多入力多出力伝送を受信し、
前記基地局から、前記二つ又は二つよりも多い送受信ポイントを介して伝送される空間多重化層とコードワードとの間のマッピングスキームに関連する指示情報を受信するように、制御するように配置されている、電子機器。 - ユーザ装置に用いられる無線通信方法であって、
基地局による二つ又は二つよりも多い送受信ポイントを介した多入力多出力伝送を受信することと、
前記基地局から、前記二つ又は二つよりも多い送受信ポイントを介して伝送される空間多重化層とコードワードとの間のマッピングスキームに関連する指示情報を受信することとを含む無線通信方法。 - 処理回路を含む基地局側に用いられる電子機器であって、
前記処理回路は、
二つ又は二つよりも多い送受信ポイントを介して多入力多出力伝送を行い、
ユーザ装置から、前記二つ又は二つよりも多い送受信ポイントを介して伝送される空間多重化層とコードワードとの間のマッピングスキームに関連する指示情報を受信するように、制御するように配置されている、電子機器。 - 基地局側に用いられる無線通信方法であって、
二つ又は二つよりも多い送受信ポイントを介して多入力多出力伝送を行うことと、
ユーザ装置から、前記二つ又は二つよりも多い送受信ポイントを介して伝送される空間多重化層とコードワードとの間のマッピングスキームに関連する指示情報を受信することとを含む、無線通信方法。 - 処理回路を含むユーザ装置側に用いられる電子機器であって、
前記処理回路は、
基地局による二つ又は二つよりも多い送受信ポイントを介した多入力多出力伝送を受信するように、制御し、
前記多入力多出力伝送のダウンリンクチャネル状態に基づいて、前記二つ又は二つよりも多い送受信ポイントを介して伝送される空間多重化層とコードワードとの間のマッピングスキームを確定し、
前記基地局に、前記マッピングスキームに関する指示情報を送信するように、制御するように配置される電子機器。 - 前記マッピングスキームは、類似しているチャネル品質を有する空間多重化層を、同一のコードワードにマッピングするように確定される請求項13に記載の電子機器。
- 同一のコードワードにマッピングされた空間多重化層は、異なる送受信ポイントの空間多重化層を含む請求項14に記載の電子機器。
- 前記指示情報は、前記二つ又は二つよりも多い送受信ポイントの各々についてのランクインデックスを含む請求項13〜15のいずれか一項に記載の電子機器。
- 前記指示情報はビットマップをさらに含み、前記ビットマップの長さは前記二つ又は二つよりも多い送受信ポイントのランクインデックスの和である請求項16に記載の電子機器。
- ユーザ装置側に用いられる無線通信方法であって、
基地局による二つ又は二つよりも多い送受信ポイントを介した多入力多出力伝送を受信することと、
前記多入力多出力伝送のダウンリンクチャネル状態に基づいて、前記二つ又は二つよりも多い送受信ポイントを介して伝送される空間多重化層とコードワードとの間のマッピングスキームを確定することと、
前記基地局に前記マッピングスキームに関する指示情報を送信することと
を含む無線通信方法。 - 情報処理装置により実行されると、請求項8、10、12又は18に記載の方法を前記情報処理装置に実行させる実行可能な命令を含む、コンピュータ読み取り可能な記録媒体。
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