JP7076081B2 - 5gまたは他の次世代ネットワークのためのフロントホールリンクのためのビームフォーミング係数のユーザ装置固有の圧縮の容易化 - Google Patents
5gまたは他の次世代ネットワークのためのフロントホールリンクのためのビームフォーミング係数のユーザ装置固有の圧縮の容易化 Download PDFInfo
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- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
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- H04B7/0615—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
- 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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- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
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- H04B7/00—Radio transmission systems, i.e. using radiation field
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- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0426—Power distribution
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- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
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- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—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
- H04B7/0615—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
- 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
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
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- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—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
- H04B7/0615—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
- 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
- H04B7/0658—Feedback reduction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
- H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03343—Arrangements at the transmitter end
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03891—Spatial equalizers
- H04L25/03898—Spatial equalizers codebook-based design
- H04L25/0391—Spatial equalizers codebook-based design construction details of matrices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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Description
本願は、「FACILITATION OF USER EQUIPMENT SPECIFIC COMPRESSION OF BEAMFORMING COEFFICIENTS FOR FRONTHAUL LINKS FOR 5G OR OTHER NEXT GENERATION NETWORK」と題する2019年5月24日に出願の米国特許出願第16/421,586号および「FACILITATION OF USER EQUIPMENT SPECIFIC COMPRESSION OF BEAMFORMING COEFFICIENTS FOR FRONTHAUL LINKS FOR 5G OR OTHER NEXT GENERATION NETWORK」と題する2018年8月9日に出願の米国特許出願第16/059,680号の優先権を主張し、その出願は引用することにより本明細書の一部をなす。
これらおよび他の実施形態または実装形態は、図面を参照して以下にさらに詳細に説明される。
Claims (20)
- プロセッサを備える無線ネットワークデバイスによって、チャネルに関連付けられたアップリンク参照信号を受信することと、
プレコーダ行列に基づいて、前記無線ネットワークデバイスによって、線形結合に関連付けられたチャネル係数を決定することと、
前記決定に応じて、前記無線ネットワークデバイスによって、チャネル状態データ参照信号に関連付けられたポートを前記プレコーダ行列の主偏波の要素にマッピングすることと、
前記アップリング参照信号に関連付けられた、推定された信号属性に基づいて、前記無線ネットワークデバイスによって、チャネル状態データ送信およびデータトラフィックチャネル送信のための前記チャネル係数を圧縮することと、
を含む、方法。 - 前記信号属性は、モバイルデバイスに関連付けられた少なくとも1つの信号干渉対雑音比を表し、前記圧縮することは前記信号干渉対雑音比に基づく、請求項1に記載の方法。
- 信号振幅干渉対雑音比に基づき、前記無線ネットワークデバイスによって、前記信号干渉対雑音比に関連付けられた値をパーティションに分割することをさらに含む、請求項2に記載の方法。
- 前記チャネルの特性に基づき、前記無線ネットワークデバイスによって、前記プレコーダ行列を生成することをさらに含む、請求項1に記載の方法。
- 前記プレコーダ行列は、前記無線ネットワークデバイスに関連付けられた単位ベクトルに等しい、請求項1に記載の方法。
- 前記信号属性は、モバイルデバイスに関連付けられたパス損失を表すパス損失値を含み、前記圧縮することは前記パス損失に基づく、請求項1に記載の方法。
- 前記チャネル係数および前記ポートのマッピングに基づき、前記無線ネットワークデバイスによって、前記アップリンク参照信号に関連付けられた信号属性を推定し、前記推定された信号属性を得ることをさらに含む、請求項1に記載の方法。
- 前記パス損失に基づき、前記無線ネットワークデバイスによって、前記モバイルデバイスに値を割り当てることをさらに含む、請求項6に記載の方法。
- プロセッサと、
前記プロセッサによって実行されると、動作の遂行を容易にする実行可能命令を記憶するメモリと、
を備え、
前記動作は、
モバイルデバイスによって利用されるチャネルに関連付けられたアップリンク参照信号を受信することと、
単位ベクトルに等しいプレコーダ行列の主偏波の要素にチャネル状態データ参照信号のためのポートをマッピングすることと、
前記チャネルに関連付けられたチャネル係数を決定することと、
前記チャネル係数を前記決定することおよび前記ポートを前記マッピングすることに応じて、前記アップリンク参照信号に関連付けられた信号属性を推定することと、
前記推定することの結果に基づき、前記チャネル係数を圧縮し、チャネル状態データ送信のための圧縮されたチャネル係数を得ることと、
を含む、システム。 - 前記信号属性は、前記モバイルデバイスに関連付けられた信号干渉対雑音比である、請求項9に記載のシステム。
- 前記動作は、前記チャネルに基づき、前記単位ベクトルに等しい前記プレコーダ行列を生成することを含む、請求項9に記載のシステム。
- 前記圧縮することは、前記モバイルデバイスに関連付けられたパス損失に基づく、請求項9に記載のシステム。
- 前記圧縮することは、前記モバイルデバイスに関連付けられた信号干渉対雑音比に基づく、請求項9に記載のシステム。
- 前記信号属性は、前記モバイルデバイスと通信に適用可能なパス損失に関連付けられたパス損失値である、請求項9に記載のシステム。
- プロセッサによって実行されると、動作の遂行を容易にする実行可能命令を含む機械可読記憶媒体であって、前記動作は、
単位ベクトルに等しいプリコーダ行列を生成することと、
前記プレコーダ行列を用いて、基底ベクトルの線形結合に関連付けられたチャネル係数を決定することと、
前記決定することに応じて、前記プレコーダ行列の主偏波の要素にチャネル状態データ参照信号をマッピングすることと、
アップリンク参照信号に関連付けられた、推定された信号属性に基づき、前記チャネル係数を圧縮し、チャネル状態データ送信のための圧縮されたチャネル係数を得ることと、
を含む、機械可読記憶媒体。 - 前記プレコーダ行列を生成することは、前記圧縮されたチャネル係数に関連付けられた前記アップリンク参照信号に基づく、請求項15に記載の機械可読記憶媒体。
- 前記動作は、前記圧縮されたチャネル係数に応じて、無線デバイスに前記圧縮されたチャネル係数を送信することをさらに備える、請求項15に記載の機械可読記憶媒体。
- 前記動作は、前記プレコーダ行列の再構築を容易にすることをさらに備える、請求項15に記載の機械可読記憶媒体。
- 前記プレコーダ行列の再構築を容易にすることは、前記圧縮されたチャネル係数に基づく、請求項18に記載の機械可読記憶媒体。
- 前記動作は、前記チャネル係数を用いて、前記アップリンク参照信号に関連付けられた信号属性を推定し、前記推定された信号属性を得ることをさらに備える、請求項15に記載の機械可読記憶媒体。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16/059,680 | 2018-08-09 | ||
| US16/059,680 US10348386B1 (en) | 2018-08-09 | 2018-08-09 | Facilitation of user equipment specific compression of beamforming coefficients for fronthaul links for 5G or other next generation network |
| US16/421,586 US10541739B1 (en) | 2018-08-09 | 2019-05-24 | Facilitation of user equipment specific compression of beamforming coefficients for fronthaul links for 5G or other next generation network |
| US16/421,586 | 2019-05-24 | ||
| PCT/US2019/045803 WO2020033765A1 (en) | 2018-08-09 | 2019-08-08 | Facilitation of user equipment specific compression of beamforming coefficients for fronthaul links for 5g or other next generation network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2021534642A JP2021534642A (ja) | 2021-12-09 |
| JP7076081B2 true JP7076081B2 (ja) | 2022-05-27 |
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| JP2021506987A Active JP7076081B2 (ja) | 2018-08-09 | 2019-08-08 | 5gまたは他の次世代ネットワークのためのフロントホールリンクのためのビームフォーミング係数のユーザ装置固有の圧縮の容易化 |
Country Status (5)
| Country | Link |
|---|---|
| US (3) | US10348386B1 (ja) |
| EP (1) | EP3834297A1 (ja) |
| JP (1) | JP7076081B2 (ja) |
| CN (1) | CN112740565A (ja) |
| WO (1) | WO2020033765A1 (ja) |
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