JP7170636B2 - スケジューリングパラメータに応じたpt-rs設定 - Google Patents
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Description
前記DCIに関連付けられた搬送周波数を決定することと、
前記DCIおよび搬送周波数からPT-RSマッピングを導出することと、
前記導出したPT-RSマッピングを使用して無線通信を実施することとを含んでもよい。
3GPP 第3世代パートナーシッププロジェクト
eNB 拡張型ノードB
CRS セル特異的参照信号
DM-RS 復調参照信号
DCI ダウンリンク制御情報
LTE ロングタームエボリューション
MIMO 複数入力複数出力
MU マルチユーザ
PT-RS 位相トラッキングRS
RS 参照信号
TM 送信モード
TTI 送信時間間隔
UE ユーザ機器
DL ダウンリンク、ネットワークノードから端末への送信に関連
UL アップリンク、端末からネットワークノードへの送信に関連
NR 新無線
RNTI 無線ネットワーク仮識別子
Claims (14)
- 無線アクセスネットワークのユーザ装置(10)であって、
前記ユーザ装置(10)が、時間-周波数リソース分布に従って、位相トラッキング参照シグナリング(PT-RS)を送信するように構成され、
前記PT-RSの前記時間-周波数リソース分布が、受信されたダウンリンク制御情報(DCI)メッセージ内の変調・符号化方式(MCS)指示と、前記DCIメッセージ内で指示されたスケジューリングされた帯域幅とに基づいており、前記MCS指示が、使用されるMCS、及び、送信に使用される複数のサブキャリアを表す前記スケジューリングされた帯域幅を示し、
前記MCSが前記指示によるMCSのセットから選択され得、前記MCSのセットの第1のサブセットに対しては、PT-RSは使用されず、第2のサブセットに対しては、PT-RSが使用される、
ユーザ装置(10)。 - 前記PT-RSを送信することが、直交周波数分割多重に基づく波形を用いる、請求項1に記載のユーザ装置(10)。
- 前記スケジューリングされた帯域幅及び前記MCSが、物理アップリンク共有チャネル(PUSCH)に関連する、請求項1又は2に記載のユーザ装置(10)。
- 前記時間-周波数リソース分布が、複数のシンボルを網羅する時間領域分布を表し、前記PT-RSは全てのシンボルにおいて使用されるわけでない、請求項1から3のいずれか一項に記載のユーザ装置(10)。
- 前記時間-周波数リソース分布が、前記スケジューリングされた帯域幅を網羅する周波数領域分布を表し、前記PT-RSのために使用される前記スケジューリングされた帯域幅の前記複数のサブキャリアのサブキャリア数と、前記複数のサブキャリア間でのそれらの配置が、前記スケジューリングされた帯域幅に依存する、請求項1から4のいずれか一項に記載のユーザ装置(10)。
- 周波数領域における前記PT-RSの密度が、前記スケジューリングされた帯域幅に依存する、請求項1から5のいずれか一項に記載のユーザ装置(10)。
- 無線アクセスネットワークのユーザ装置(10)を操作する方法であって、前記方法が、
時間-周波数リソース分布に従って、位相トラッキング参照シグナリング(PT-RS)を送信することを含み、前記PT-RSの前記時間-周波数リソース分布が、受信されたダウンリンク制御情報(DCI)メッセージ内の変調・符号化方式(MCS)指示と、前記DCIメッセージ内で指示されたスケジューリングされた帯域幅とに基づいていて、前記MCS指示が、使用されるMCS、及び、送信に使用される複数のサブキャリアを表す前記スケジューリングされた帯域幅を示し、
前記MCSが前記指示によるMCSのセットから選択され得、前記MCSのセットの第1のサブセットに対しては、PT-RSは使用されず、第2のサブセットに対しては、PT-RSが使用される、方法。 - 前記PT-RSを送信することが、直交周波数分割多重に基づく波形を用いる、請求項7に記載の方法。
- 前記スケジューリングされた帯域幅及び前記MCSが、物理アップリンク共有チャネル(PUSCH)に関連する、請求項7又は8に記載の方法。
- 前記時間-周波数リソース分布が、複数のシンボルを網羅する時間領域分布を表し、前記PT-RSは全てのシンボルにおいて使用されるわけでない、請求項7から9のいずれか一項に記載の方法。
- 前記時間-周波数リソース分布が、前記スケジューリングされた帯域幅を網羅する周波数領域分布を表し、前記PT-RSのために使用される前記スケジューリングされた帯域幅の前記複数のサブキャリアのサブキャリア数と、前記複数のサブキャリア間でのそれらの配置が、前記スケジューリングされた帯域幅に依存する、請求項7から10のいずれか一項に記載の方法。
- 周波数領域における前記PT-RSの密度が、前記スケジューリングされた帯域幅に依存する、請求項7から11のいずれか一項に記載の方法。
- 無線アクセスネットワークのネットワークノード(100)であって、
前記ネットワークノード(100)が、
ユーザ装置(10)にダウンリンク制御情報(DCI)メッセージを送信することであって、前記DCIメッセージが、送信に使用される変調・符号化方式(MCS)を示すMCS指示を示し、前記DCIメッセージが、また、送信に使用される複数のサブキャリアを表すスケジューリングされた帯域幅を示す、送信することと、
前記ユーザ装置(10)から、時間-周波数リソース分布に従う位相トラッキング参照シグナリング(PT-RS)を受信することであって、前記PT-RSの前記時間-周波数リソース分布が、前記MCS指示と、前記スケジューリングされた帯域幅とに基づいている、受信することと、
を行うように適合されていて、
前記MCSが前記指示によるMCSのセットから選択され得、前記MCSのセットの第1のサブセットに対しては、PT-RSは使用されず、第2のサブセットに対しては、PT-RSが使用される、
ネットワークノード(100)。 - 制御回路構成によって実行可能なコードを含み、前記コードが、請求項7から12のいずれか一項に記載の方法を、前記制御回路構成に実行させる、プログラム。
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US201662417659P | 2016-11-04 | 2016-11-04 | |
US62/417,659 | 2016-11-04 | ||
PCT/SE2017/051105 WO2018084801A1 (en) | 2016-11-04 | 2017-11-06 | Pt-rs configuration depending on scheduling parameters |
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EP (1) | EP3535884A1 (ja) |
JP (1) | JP7170636B2 (ja) |
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AU (2) | AU2017354782A1 (ja) |
DE (1) | DE202017007174U1 (ja) |
MX (1) | MX2019005177A (ja) |
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