JP7146899B2 - ネットワークベースのcrsの緩和 - Google Patents
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- H04L5/00—Arrangements affording multiple use of the transmission path
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- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
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- H—ELECTRICITY
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- H04L5/02—Channels characterised by the type of signal
- H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
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Description
Claims (13)
- ネットワークに接続する無線周波数(RF)回路と、
前記RF回路と通信可能に結合するプロセッサと、
を備えたユーザ機器(UE)の装置であって、
前記プロセッサは、
セル固有参照信号(CRS)のミューティングがセルによって使用されることをあらわすシステム情報を前記ネットワークの前記セルから受信するオペレーションと、
前記ネットワークの前記セルから1つ以上のサブフレームを受信するオペレーションであって、前記CRSのミューティングが使用されないときは、前記1つ以上のサブフレーム内のセル固有参照信号(CRS)送信パターンが前記セルの全帯域幅にわたり、そして、前記CRSのミューティングが使用されるときは、前記1つ以上のサブフレーム内のセル固有参照信号(CRS)送信パターンが前記セルの全帯域幅の中央6個の物理リソースブロック(PRB)にわたるよう構成された当該オペレーションと、
前記物理リソースブロック(PRB)の中央セット(RSRP IN)上のCRS参照信号受信電力(RSRP)を推定し、前記1つ以上のサブフレームのPRBの外側セット(RSRP OUT)上のCRS RSRPを推定すること、
RSRP INがRSRP OUT及びマージンを超えている場合に、CRSのミューティングが前記セルによって使用されると判定すること、
を実行する、ユーザ機器(UE)の装置。 - 前記セルが、サービングセル又は隣接セルを含む、請求項1に記載の装置。
- CRSのミューティングが使用されるとき、無線リソース管理(RRM)手順又は復調手順が調整される、請求項1に記載の装置。
- 前記RSRP OUTを推定することは、前記PRBの中央セットを含まない、請求項1に記載の装置。
- 前記RSRP OUTを推定することは、前記物理リソースブロック(PRB)の中央セットのうちの1つ以上を含む広帯域RSRP測定を含む、請求項1に記載の装置。
- ネットワークに接続する無線周波数(RF)回路と、
前記RF回路と通信可能に結合するプロセッサと、
を備えたユーザ機器(UE)の装置であって、
前記プロセッサは、
セル固有参照信号(CRS)のミューティングがセルによって使用されることをあらわすシステム情報を前記ネットワークの前記セルから受信するオペレーションと、
前記ネットワークの前記セルから1つ以上のサブフレームを受信するオペレーションであって、前記CRSのミューティングが使用されないときは、前記1つ以上のサブフレーム内のセル固有参照信号(CRS)送信パターンが前記セルの全帯域幅にわたり、そして、前記CRSのミューティングが使用されるときは、前記1つ以上のサブフレーム内のセル固有参照信号(CRS)送信パターンが前記セルの全帯域幅の中央6個の物理リソースブロック(PRB)にわたるよう構成された当該オペレーションと、
前記1つ以上のサブフレームの物理リソースブロック(PRB)の外側セットの周波数領域で第1のCRS信号(CRS信号1)を再構成し、前記1つ以上のサブフレームの全帯域幅の周波数領域で第2のCRS信号(CRS信号2)を再構成し、CRS信号1又はCRS信号2を用いて相互相関又は部分相互相関を実行し、相互相関ピークが見つからない場合には、CRSのミューティングは前記セルによって使用され、又は相互相関ピークが見つかる場合には、CRSのミューティングは前記セルによって使用されないこと、
を実行する、ユーザ機器(UE)の装置。 - 前記プロセッサは、CRS信号1との前記相互相関又は前記部分相互相関を実行するものであり、修正された受信信号は、前記物理リソースブロック(PRB)のヌリングされた中央セットを有する受信信号を含む、請求項6に記載の装置。
- 前記プロセッサは、完全受信信号を有するCRS信号2との前記相互相関又は前記部分相互相関を実行する、請求項6に記載の装置。
- 前記第1のCRS信号及び前記第2のCRS信号は、周波数領域の代わりに時間領域で再構成される、請求項6に記載の装置。
- 前記CRSのミューティングが前記1つ以上のサブフレームに対して検出されたときに、前記CRS干渉緩和(CRS-IM)処理が全ての物理リソースブロック(PRB)で無効化される、請求項1に記載の装置。
- CRSのミューティングが前記1つ以上のサブフレームに対して検出されたときに、ネットワーク支援型干渉除去及び抑制(NAICS)受信機処理が、CRS信号を伴わずに物理リソースブロック(PRB)内で無効化される、請求項1に記載の装置。
- 前記CRSのミューティングが前記1つ以上のサブフレームに対して検出されたときに、参照信号受信電力(RSRP)又は参照信号受信品質(RSRQ)を含む無線リソース管理(RRM)測定が、CRS信号を有する物理リソースブロック(PRB)のみを用いて隣接セル上で実行される、請求項1に記載の装置。
- 前記1つ以上のベースバンドプロセッサは、前記CRSのミューティングが前記1つ以上のサブフレームに対して検出されたときに、無線リンクモニタリング(RLM)が、CRS信号を有する物理リソースブロック(PRB)のみを用いて隣接セル上で実行される、請求項1に記載の装置。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US201762544260P | 2017-08-11 | 2017-08-11 | |
US62/544,260 | 2017-08-11 | ||
US201762587917P | 2017-11-17 | 2017-11-17 | |
US62/587,917 | 2017-11-17 | ||
PCT/US2018/046066 WO2019032868A1 (en) | 2017-08-11 | 2018-08-09 | CRS MITIGATION BASED ON THE NETWORK |
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JP2020530697A JP2020530697A (ja) | 2020-10-22 |
JP7146899B2 true JP7146899B2 (ja) | 2022-10-04 |
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US (1) | US11672047B2 (ja) |
EP (1) | EP3665846B1 (ja) |
JP (1) | JP7146899B2 (ja) |
KR (1) | KR102443150B1 (ja) |
CN (1) | CN111971921B (ja) |
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CN111971921A (zh) | 2020-11-20 |
US20200275522A1 (en) | 2020-08-27 |
KR20200019768A (ko) | 2020-02-24 |
US11672047B2 (en) | 2023-06-06 |
EP3665846B1 (en) | 2023-11-29 |
CN111971921B (zh) | 2023-09-12 |
EP3665846A1 (en) | 2020-06-17 |
JP2020530697A (ja) | 2020-10-22 |
KR102443150B1 (ko) | 2022-09-14 |
WO2019032868A1 (en) | 2019-02-14 |
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