JP2022506471A - 先進ネットワークにおける復調用参照信号の生成 - Google Patents
先進ネットワークにおける復調用参照信号の生成 Download PDFInfo
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- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
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- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
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Abstract
Description
本出願は、2018年11月2日に出願された「GENERATION OF DEMODULATION REFERENCE SIGNALS IN ADVANCED NETWORKS」という名称の米国仮特許出願第62/754,905号明細書及び2019年6月13日に出願された「GENERATION OF DEMODULATION REFERENCE SIGNALS IN ADVANCED NETWORKS」という名称の米国非仮特許出願米国特許出願公開第16/440,874号明細書の利益を主張するものであり、それぞれの出願の全体が参照により本明細書に明示的に組み込まれる。
c(n)=(x1(n+Nc)+x2(n+Nc))mod2
x1(n+31)=(x1(n+3)+x1(n))mod2
x2(n+31)=(x2(n+3)+x2(n+2)+x2(n+1)+x2(n))mod2
ここで、Nc=1600であり、第1のm個の系列x1(n)は、x1(n)=0であり、n=1,2,...,30であると初期設定され得る。第2のm個の系列x2(n)の初期設定は、以下のように表される。
-
-
- 他の場合、
Claims (20)
- システムであって、
プロセッサと、
前記プロセッサによって実行されると、動作の実行を容易にする実行可能命令を記憶するメモリと
を含み、前記動作は、
モバイルデバイスの能力を評価することと、
前記モバイルデバイスの前記能力に基づいて前記モバイルデバイスのための復調用参照信号系列を生成することであって、前記復調用参照信号系列は、前記能力が第1の能力であることに基づいて第1のタイプであり、且つ前記能力が第2の能力であることに基づいて第2のタイプである、生成することと
を含む、システム。 - 前記動作は、前記復調用参照信号系列を前記評価する前に、前記モバイルデバイスから、前記モバイルデバイスの前記能力の指示を受信することを更に含む、請求項1に記載のシステム。
- 前記能力の前記指示を前記受信することは、送信信号における情報要素を受信することを含み、前記情報要素は、前記能力が前記第1の能力であることに基づいて第1の値に設定され、且つ前記能力が前記第2の能力であることに基づいて第2の値に設定される、請求項2に記載のシステム。
- 前記能力の前記指示を前記受信することは、前記モバイルデバイスが低ピーク対平均電力比系列を前記第1の能力としてサポートするか、又は前記低ピーク対平均電力比系列を前記第2の能力としてサポートしないかに関する情報を受信することを含む、請求項2に記載のシステム。
- 前記復調用参照信号系列を前記生成することは、通信ネットワークにおけるピーク平均電力比を低減することを含む、請求項1に記載のシステム。
- 前記復調用参照信号系列を前記生成することは、復調用参照信号に使用されるアンテナポートに基づいて前記復調用参照信号系列を生成することを含む、請求項1に記載のシステム。
- 前記復調用参照信号系列を前記生成することは、復調用参照信号に使用される符号分割多重化グループに基づいて前記復調用参照信号系列を生成することを含む、請求項1に記載のシステム。
- 前記モバイルデバイスの前記能力は、前記モバイルデバイスのソフトウェアリリースバージョンに基づき、前記第1の能力は、前記ソフトウェアリリースバージョンが第1のソフトウェアリリースバージョンであることに関連し、及び前記第2の能力は、前記ソフトウェアリリースバージョンが第2のソフトウェアリリースバージョンであることに関連する、請求項1に記載のシステム。
- 前記復調用参照信号系列は、前記第2のタイプであり、前記復調用参照信号系列を前記生成することは、2つの系列を生成することであって、
前記復調用参照信号系列の前記2つの系列の第1の系列について第1のビットを使用することと、
前記復調用参照信号系列の前記2つの系列の第2の系列について第2のビットを使用することと
を含む、生成することを含む、請求項1に記載のシステム。 - 前記復調用参照信号系列は、前記第2のタイプであり、前記復調用参照信号系列を前記生成することは、第1のスクランブリング識別子及び第2のスクランブリング識別子を前記モバイルデバイスに割り当てることを含む、請求項1に記載のシステム。
- 前記動作は、上位層無線リソース制御シグナリングを介した前記モバイルデバイスへの前記復調用参照信号系列の送信を容易にすることを更に含む、請求項1に記載のシステム。
- 前記第1の能力は、前記モバイルデバイスが第5世代無線ネットワークプロトコルの高度な無線通信能力をサポートすることを表し、前記第2の能力は、前記モバイルデバイスが前記第5世代無線ネットワークプロトコルの前記高度な無線通信能力をサポートしないことを表す、請求項1に記載のシステム。
- ネットワークデバイスのグループのネットワークデバイスであって、プロセッサを含むネットワークデバイスにより、モバイルデバイスの能力に関連する情報を取得することと、
前記ネットワークデバイスにより、前記モバイルデバイスの前記能力が第1の能力であることに基づいて第1のスクランブリング識別子を前記モバイルデバイスに割り当て、且つ前記モバイルデバイスの前記能力が第2の能力であることに基づいて第2のスクランブリング識別子を割り当てることと、
前記ネットワークデバイスにより、第1の符号分割多重化グループについて第1のスクランブリング識別情報を前記モバイルデバイスに割り当て、且つ第2の符号分割多重化グループについて第2のスクランブリング識別情報を前記モバイルデバイスに割り当てることと
を含む方法。 - 前記第1のスクランブリング識別情報及び前記第2のスクランブリング識別情報を前記割り当てることは、前記モバイルデバイスのスケジュール設定中に実行される、請求項13に記載の方法。
- 上位層無線リソース制御シグナリングを介した前記モバイルデバイスへの前記第1のスクランブリング識別子及び前記第2のスクランブリング識別子の送信を容易にすることを更に含む、請求項13に記載の方法。
- 前記第1のスクランブリング識別情報及び前記第2のスクランブリング識別情報を前記割り当てることは、前記第1の符号分割多重化グループと前記第2の符号分割多重化グループとが異なる符号分割多重化グループであると特定することを含む、請求項13に記載の方法。
- 前記モバイルデバイスの前記能力に関連する前記情報を前記取得することは、前記モバイルデバイスが低ピーク対平均電力比系列を前記第1の能力としてサポートするか、又は前記低ピーク対平均電力比系列を前記第2の能力としてサポートしないかに関連する情報を受信することを含み、前記第1のスクランブリング識別情報及び前記第2のスクランブリング識別情報を前記割り当てることは、通信ネットワークにおけるピーク平均電力比を低減することを含む、請求項13に記載の方法。
- 機械可読記憶媒体であって、モバイルデバイスのプロセッサによって実行されると、動作の実行を容易にする実行可能命令を含み、前記動作は、
ネットワークデバイスのグループのネットワークデバイスから受信された情報に基づいて復調用参照信号系列を生成することであって、前記復調用参照信号系列は、モバイルデバイスの能力が第1の能力を含むと特定されることに基づいて第1のタイプであり、且つ前記モバイルデバイスの前記能力が前記第1の能力以外の第2の能力を含むと特定されることに基づいて第2のタイプである、生成することと、
前記復調用参照信号系列の関数として特定されたチャネル推定に基づいて物理ダウンリンク共有チャネルを復号することと
を含む、機械可読記憶媒体。 - 前記動作は、前記復調用参照信号系列を前記生成する前に、スクランブリング識別情報に関連する情報を取得することであって、ダウンリンク制御情報は、前記スクランブリング識別情報を含む、取得することを更に含む、請求項18に記載の機械可読記憶媒体。
- 前記復調用参照信号系列を前記生成することは、アンテナポートのグループのアンテナポートについてそれぞれの復調用参照信号系列を生成することを含む、請求項18に記載の機械可読記憶媒体。
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US201862754905P | 2018-11-02 | 2018-11-02 | |
US62/754,905 | 2018-11-02 | ||
US16/440,874 US11418992B2 (en) | 2018-11-02 | 2019-06-13 | Generation of demodulation reference signals in advanced networks |
US16/440,874 | 2019-06-13 | ||
PCT/US2019/058984 WO2020092664A1 (en) | 2018-11-02 | 2019-10-31 | Generation of demodulation reference signals in advanced networks |
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US11502893B1 (en) | 2021-06-14 | 2022-11-15 | Ultralogic 6G, Llc | Short-form 5G/6G pulse-amplitude demodulation references |
US11418372B1 (en) | 2021-06-14 | 2022-08-16 | Ultralogic 6G, Llc | Low-complexity demodulation of 5G and 6G messages |
US11387961B2 (en) | 2021-06-14 | 2022-07-12 | Ultralogic 6G, Llc | Short-form demodulation reference for improved reception in 5G and 6G |
US20230179364A1 (en) * | 2021-12-07 | 2023-06-08 | Qualcomm Incorporated | Channel state information reporting using demodulation reference signals |
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KR20210080529A (ko) | 2021-06-30 |
US20200145869A1 (en) | 2020-05-07 |
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