JP2016187222A - 改良されたチャネル品質情報フィードバック方式 - Google Patents
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Abstract
【解決手段】一実施例において、例えば進化型ノードB(eNB)は、プロセッサ回路と、物理下りリンク共有チャネル(PDSCH)に対するチャネル品質インデックスであって、定義された基準リソースと関連付けられたチャネル品質インデックスを受信する、プロセッサ回路による実行のための通信コンポーネントと、PDSCHを介した1つ又は複数のリソースブロックでのユーザ装置(UE)データの伝送のための変調及び符号化方法(MCS)を選択し、MCSを選択する時に、定義された基準リソースのセル固有参照信号(CRS)オーバヘッドと1つ又は複数のリソースブロックのCRSオーバヘッドとの間の差異を補償する、プロセッサ回路による実行のための選択コンポーネントとを備える。他の実施例が説明されて権利請求される。
【選択図】図1
Description
102 移動機
104 固定型装置
106 上りリンクチャネル
108 下りリンクチャネル
110 基準信号
112 チャネル品質インデックス
114 メッセージ
200 機器
202 プロセッサ回路
204 メモリユニット
206 チャネル品質インデックス
208 通信コンポーネント
210 基準信号
212 下りリンクチャネル
214 判定コンポーネント
216 受信品質パラメータ
218 基準リソース
220 データRE(上りリンクチャネル)
222 オーバヘッドRE
224 選択コンポーネント
240 システム
244 無線周波数(RF)トランシーバ
245 表示装置
250 固定型装置
257 RFアンテナ
400 機器
402 プロセッサ回路
404 メモリユニット
406 チャネル品質インデックス
408 通信コンポーネント
412 下りリンクチャネル
414 判定コンポーネント
420 上りリンクチャネル
424 選択コンポーネント
435 メッセージ
440 システム
444 無線周波数(RF)トランシーバ
450 移動機
457 RFアンテナ
600 記憶媒体
700 装置
710 無線通信インタフェース
712 受信機
714 周波数シンセサイザ
716 送信機
718−f アンテナ
720 ベースバンド回路
722 A/D変換器
724 D/A変換器
726 PHY処理回路
727 MAC処理回路
728 論理回路
730 計算プラットフォーム
732 メモリコントローラ
734 インタフェース
740 処理コンポーネント
750 他のプラットフォームコンポーネント
800 広帯域無線アクセスシステム
810 インターネット
812 アクセスサービスネットワーク(ASN)
814 基地局
816 固定型装置
818 アクセスサービスネットワーク(ASN)
820 基地局
822 移動機
824 訪問先接続性サービスネットワーク(訪問先CSN)
826 ホームCSN
828 オペレーションサポートシステム(OSS)
Claims (13)
- 進化型ノードB(eNB)であって、
プロセッサ回路と、
物理下りリンク共有チャネル(PDSCH)に対するチャネル品質インデックスであって、定義された基準リソースと関連付けられた前記チャネル品質インデックスを受信する、前記プロセッサ回路による実行のための通信コンポーネントと、
前記PDSCHを介した1つ又は複数のリソースブロックでのユーザ装置(UE)データの伝送のための変調及び符号化方法(MCS)を選択し、前記MCSを選択する時に、前記定義された基準リソースのセル固有参照信号(CRS)オーバヘッドと1つ又は複数のリソースブロックのCRSオーバヘッドとの間の差異を補償する、前記プロセッサ回路による実行のための選択コンポーネントとを備える、eNB。 - 前記プロセッサ回路による実行のための前記選択コンポーネントが、前記定義された基準リソースにおけるCRSリソースエレメント(RE)の数と1つ又は複数のリソースブロックの各々におけるCRS REの数との間の差異を補償する、請求項1に記載のeNB。
- 前記チャネル品質インデックスが第1のMCSを示し、前記プロセッサ回路による実行のための前記選択コンポーネントが、前記第1のMCSを選択すること、又は、前記定義された基準リソースの前記CRSオーバヘッドと前記1つ又は複数のリソースブロックの前記CRSオーバヘッドとの間の前記差異に基づいて第2のMCSを特定して選択すること、のいずれかを行う、請求項1に記載のeNB。
- 前記プロセッサ回路による実行のための前記選択コンポーネントが、前記MCSを選択する時に、前記PDSCHの中に実装された拡張物理下りリンク制御チャネル(EPDCCH)を補償する、請求項1に記載のeNB。
- 前記1つ又は複数のリソースブロックの前記CRSオーバヘッドが、当該eNBにより使用されるCRSアンテナポートの数に対応する、請求項1に記載のeNB。
- 前記チャネル品質インデックスが、チャネル品質指標(CQI)インデックスを含む、請求項1に記載のeNB。
- 前記定義された基準リソースが、チャネル状態情報(CSI)基準リソースを含む、請求項1に記載のeNB。
- 一組の命令を含む少なくとも1つのコンピュータプログラムであって、前記命令が計算装置によって実行されることに応答して、前記計算装置に、
進化型ノードB(eNB)において、物理下りリンク共有チャネル(PDSCH)に対するチャネル品質指標(CQI)インデックスを受信させ、
前記PDSCHの1つ又は複数のリソースブロックの拡張物理下りリンク制御チャネル(EPDCCH)オーバヘッドを判定させ、
前記CQIインデックス及び前記EPDCCHオーバヘッドに基づいて1つ又は複数のリソースブロックによるメッセージの伝送のための変調及び符号化方法(MCS)を選択させる、少なくとも1つのコンピュータプログラム。 - 前記EPDCCHオーバヘッドが、前記PDSCHに対して設定される1つ又は複数のEPDCCH物理リソースブロック(PRB)セットに対応する、請求項8に記載の少なくとも1つのコンピュータプログラム。
- 前記計算装置によって実行されることに応答して、前記計算装置に、前記1つ又は複数のリソースブロックにおける一組のリソースエレメント(RE)によって前記メッセージを送信させる命令を含む、請求項8に記載の少なくとも1つのコンピュータプログラム。
- 前記CQIインデックスが、EPDCCHオーバヘッドを含まないように定義されたチャネル状態情報(CSI)基準リソースに対応する、請求項8に記載の少なくとも1つのコンピュータプログラム。
- 前記計算装置によって実行されることに応答して、前記計算装置に、
1つ又は複数のリソースブロックのセル固有参照信号(CRS)オーバヘッドを判定させ、
前記CQIインデックス、前記EPDCCHオーバヘッド、及び前記CRSオーバヘッドに基づいて前記MCSを選択させる命令を含む、請求項8に記載の少なくとも1つのコンピュータプログラム。 - 請求項8から請求項12のいずれか一項に記載の少なくとも1つのコンピュータプログラムを記憶したコンピュータ読み取り可能な記憶媒体。
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