JP2017184284A - 協調マルチポイント(CoMP)システムのための周期的チャネル状態情報レポート - Google Patents
協調マルチポイント(CoMP)システムのための周期的チャネル状態情報レポート Download PDFInfo
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- JP2017184284A JP2017184284A JP2017116604A JP2017116604A JP2017184284A JP 2017184284 A JP2017184284 A JP 2017184284A JP 2017116604 A JP2017116604 A JP 2017116604A JP 2017116604 A JP2017116604 A JP 2017116604A JP 2017184284 A JP2017184284 A JP 2017184284A
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Abstract
Description
以下に、技術的実施形態の最初の概略が提供され、次に特定の技術的実施形態が詳細に説明される。この最初の概要は、読者が技術をより迅速に理解するのを助けることを目的としており、技術の主要な特徴又は基本的特徴を特定することを意図せず、あるいは請求される主題の範囲を限定することを意図しない。
本願は、参照されることにより全体が本願明細書に組み込まれる米国仮特許出願番号第61/679,627号、2012年8月3日出願、代理人管理番号P46630Zの利益を請求する。
Claims (26)
- 特定送信モードで構成される周期的チャネル状態情報(channel state information:CSI)をレポートするよう動作するユーザ機器(UE)の装置であって、前記UEは1又は複数のプロセッサとメモリとを有し、前記1又は複数のプロセッサ及びメモリは、
前記UEにおいて、サブフレーム内での送信のために複数のCSIレポートを生成し、各CSIレポートは、CSIプロセスインデックスを有するCSIプロセスに対応し、各CSIレポートはサービングセルインデックスに対応し、
前記UEにおいて、前記CSIレポートのCSIプロセスインデックスが同じとき、最低サービングセルインデックスを有するCSIレポートを除き、サービングセルインデックスに対応するCSIレポートをドロップし、
前記UEにおいて、送信のために少なくとも1つのCSIレポートを符号化し、前記少なくとも1つのCSIレポートは、前記最低サービングセルインデックスを有するCSIプロセスのためのものである、
よう構成される、装置。 - 前記少なくとも1つのCSIレポートをeNB(evolved Node B)へ送信するよう構成される通信機を更に有する請求項1に記載の装置。
- 前記1又は複数のプロセッサ及びメモリは、
前記UEにおいて、最低CSIプロセスインデックスを有するCSIプロセスを除き、CSIプロセスに対応するCSIレポートをドロップし、
前記UEにおいて、送信のために少なくとも1つのCSIレポートを符号化し、前記少なくとも1つのCSIレポートは、前記最低CSIプロセスインデックスを有するCSIプロセスのためのものである、
よう更に構成される、請求項1に記載の装置。 - 前記1又は複数のプロセッサ及びメモリは、
PUCCH(physical uplink control channel)フォーマットに基づき、選択された数のCSIレポートを送信することを決定し、
前記サブフレーム内でCSIレポートが衝突するのを回避するために、前記CSIプロセスに対応する前記選択された数の最高優先度のCSIレポート以外の全てのCSIプロセスに対応するCSIレポートをドロップする、
よう更に構成される、請求項1に記載の装置。 - 前記PUCCHフォーマットは、少なくとも1つのCSIレポートを有するPUCCHフォーマット2、2a、2b、3を有し、前記最高優先度のCSIレポートは最低CSIプロセスインデックスを有する、請求項4に記載の装置。
- 前記1又は複数のプロセッサ及びメモリは、前記CSIプロセスインデックスに基づき低優先度のCSIレポートをドロップする前に、サービングセルのPUCCH(physical uplink control channel)レポート種類に基づき少なくとも1つの低優先度のCSIレポートをドロップし、PUCCHレポート種類3、5、6及び2aはPUCCHレポート種類1、1a、2、2b、2c及び4より高い優先度を有し、PUCCHレポート種類2、2b、2c及び4はPUCCHレポート種類1及び1aより高い優先度を有する、よう更に構成される、請求項1に記載の装置。
- 前記1又は複数のプロセッサ及びメモリは、最低CSIプロセスインデックスに対応するサービングセルの最高優先度CSIプロセスを有する規定CSIプロセスを割り当てるよう更に構成される、請求項1に記載の装置。
- 前記CSIプロセスインデックスは、特定CSIプロセス及び特定サービングセルについてユニークである、請求項1に記載の装置。
- 前記特定送信モードは、CoMP(coordinated multipoint)構成のために用いられる、請求項1に記載の装置。
- 前記UEは、アンテナ、タッチ感応ディスプレイスクリーン、スピーカ、マイクロフォン、グラフィックプロセッサ、アプリケーションプロセッサ、内部メモリ、不揮発性メモリポ―ト及びそれらの組合せのうちの少なくとも1つを有する、請求項1に記載の装置。
- 特定送信モードで構成される周期的チャネル状態情報(channel state information:CSI)のために構成される無線装置であって、前記無線装置は、
1又は複数のプロセッサ及びメモリであって、
前記無線装置において、サブフレーム内での送信のために複数のCSIレポートを生成し、各CSIレポートは、CSIプロセスインデックスを有するCSIプロセスに対応し、各CSIレポートはサービングセルインデックスに対応し、
前記無線装置において、前記CSIレポートのCSIプロセスインデックスが同じとき、最低サービングセルインデックスを有するCSIレポートを除き、サービングセルインデックスに対応するCSIレポートをドロップする、
よう構成される1又は複数のプロセッサ及びメモリと、
前記少なくとも1つのCSIレポートをeNB(evolved Node B)へ送信するよう構成される通信機と、
を有する無線装置。 - 前記1又は複数のプロセッサ及びメモリは、
前記無線装置において、最低CSIプロセスインデックスを有するCSIプロセスを除き、CSIプロセスに対応するCSIレポートをドロップし、
前記無線装置において、前記最低CSIプロセスインデックスを有するCSIプロセスのための少なくとも1つのCSIレポートを処理する、
よう更に構成される、請求項11に記載の無線装置。 - 前記1又は複数のプロセッサ及びメモリは、
PUCCH(physical uplink control channel)フォーマットに基づき、選択された数のCSIレポートを送信することを決定し、
前記サブフレーム内でCSIレポートが衝突するのを回避するために、前記CSIプロセスに対応する前記選択された数の最高優先度のCSIレポート以外の全てのCSIプロセスに対応するCSIレポートをドロップし、
前記PUCCHフォーマットは、少なくとも1つのCSIレポートを有するPUCCHフォーマット2、2a、2b、3を有し、前記最高優先度のCSIレポートは、最低CSIプロセスインデックスを有する、
よう更に構成される、請求項11に記載の無線装置。 - 前記1又は複数のプロセッサ及びメモリは、前記CSIプロセスインデックスに基づき低優先度のCSIレポートをドロップする前に、サービングセルのPUCCH(physical uplink control channel)レポート種類に基づき少なくとも1つの低優先度のCSIレポートをドロップし、PUCCHレポート種類3、5、6及び2aはPUCCHレポート種類1、1a、2、2b、2c及び4より高い優先度を有し、PUCCHレポート種類2、2b、2c及び4はPUCCHレポート種類1及び1aより高い優先度を有する、よう更に構成される、請求項11に記載の無線装置。
- CQI(channel quality indicator)フィードバックを有しないRI(rank indication)又は広帯域PMI(precoding matrix indicator)フィードバックを有するPUCCHレポート種類は、CQIフィードバックを有するPUCCHレポート種類より高い優先度を有し、広帯域CQIフィードバックを有するPUCCHレポート種類は、サブバンドCQIフィードバックを有するPUCCHレポートより高い優先度を有する、請求項14に記載の無線装置。
- 前記通信機は、RRC(radio resource control)シグナリングを介して、特定CSIプロセスインデックス又は特定サービングセルインデックスを有するCSIレポートの優先度を受信するよう更に構成される、請求項11に記載の無線装置。
- 前記1又は複数のプロセッサ及びメモリは、
HARQ−ACK(hybrid automatic repeat request-acknowledgement)及びCSIレポートを多重化し、
HARQ−ACKフィードバックビット及びスケジューリング要求(scheduling request:SR)を有するCSIレポートがPUCCH(physical uplink control channel)フォーマット3ペイロードに適合するかどうかを決定する、
よう更に構成され、
前記通信機は、
HARQ−ACKフィードバックビット及びSRを有するCSIレポートが前記PUCCHフォーマット3ペイロードに適合しないとき、CSIレポートを有しないSRを含むHARQ−ACKフィードバックビットを送信し、
HARQ−ACKフィードバックビット及びSRを有するCSIレポートが前記PUCCHフォーマット3ペイロードに適合するとき、CSIレポートを有するSRを含む多重化HARQ−ACKフィードバックビットを送信する、
よう更に構成される、
請求項11に記載の無線装置。 - 前記通信機は、PUCCH(physical uplink control channel)フォーマットの非衝突CSIレポートの数を送信し、各CSIレポートは最大11個のCSIビットを用いるよう更に構成される、請求項11に記載の無線装置。
- 特定送信モードで構成される周期的チャネル状態情報(channel state information:CSI)をレポートするためのコンピュータプログラムであって、前記コンピュータプログラムは、ユーザ機器(UE)の1又は複数のプロセッサにより実行されると、前記UEに、
前記UEにおいて、サブフレーム内での送信のために複数のCSIレポートを生成するステップであって、各CSIレポートは、CSIプロセスインデックスを有するCSIプロセスに対応し、各CSIレポートはサービングセルインデックスに対応する、ステップと、
前記UEにおいて、前記CSIレポートのCSIプロセスインデックスが同じとき、最低サービングセルインデックスを有するCSIレポートを除き、サービングセルインデックスに対応するCSIレポートをドロップするステップと、
前記UEにおいて、eNB(evolved Node B)への送信のために少なくとも1つのCSIレポートを符号化するステップであって、前記少なくとも1つのCSIレポートは、前記最低サービングセルインデックスを有するCSIプロセスのためのものである、ステップと、
を実行させる、コンピュータプログラム。 - 前記コンピュータプログラムは、前記UEに、
前記UEにおいて、最低CSIプロセスインデックスを有するCSIプロセスを除き、CSIプロセスに対応するCSIレポートをドロップするステップと、
前記UEにおいて、eNB(evolved Node B)への送信のために少なくとも1つのCSIレポートを符号化するステップであって、前記少なくとも1つのCSIレポートは、前記最低CSIプロセスインデックスを有するCSIプロセスのためのものである、ステップと、
を更に実行させる請求項19に記載のコンピュータプログラム。 - 前記コンピュータプログラムは、前記UEに、
PUCCH(physical uplink control channel)フォーマットに基づき、選択された数のCSIレポートを送信することを決定するステップと、
前記サブフレーム内でCSIレポートが衝突するのを回避するために、前記CSIプロセスに対応する前記選択された数の最高優先度のCSIレポート以外の全てのCSIプロセスに対応するCSIレポートをドロップするステップと、
を更に実行させ、
前記PUCCHフォーマットは、少なくとも1つのCSIレポートを有するPUCCHフォーマット2、2a、2b、3を有し、前記最高優先度のCSIレポートは、最低CSIプロセスインデックスを有する、
請求項19に記載のコンピュータプログラム。 - 前記コンピュータプログラムは、前記UEに、
前記CSIプロセスインデックスに基づき低優先度のCSIレポートをドロップする前に、サービングセルのPUCCH(physical uplink control channel)レポート種類に基づき少なくとも1つの低優先度のCSIレポートをドロップするステップであって、PUCCHレポート種類3、5、6及び2aはPUCCHレポート種類1、1a、2、2b、2c及び4より高い優先度を有し、PUCCHレポート種類2、2b、2c及び4はPUCCHレポート種類1及び1aより高い優先度を有する、ステップを更に実行させる請求項19に記載のコンピュータプログラム。 - 前記コンピュータプログラムは、前記UEに、最低CSIプロセスインデックスに対応するサービングセルの最高優先度CSIプロセスを有する規定CSIプロセスを割り当てるステップを更に実行させる請求項19に記載のコンピュータプログラム。
- 前記CSIプロセスインデックスは、特定CSIプロセス及び特定サービングセルについてユニークである、請求項19に記載のコンピュータプログラム。
- 前記特定送信モードは、CoMP(coordinated multipoint)構成のために用いられる、請求項19に記載のコンピュータプログラム。
- 請求項19乃至25のいずれか一項に記載のコンピュータプログラムを記憶したコンピュータ可読記憶媒体。
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