JP6883609B2 - ユーザ装置及び送信方法 - Google Patents
ユーザ装置及び送信方法 Download PDFInfo
- Publication number
- JP6883609B2 JP6883609B2 JP2019100176A JP2019100176A JP6883609B2 JP 6883609 B2 JP6883609 B2 JP 6883609B2 JP 2019100176 A JP2019100176 A JP 2019100176A JP 2019100176 A JP2019100176 A JP 2019100176A JP 6883609 B2 JP6883609 B2 JP 6883609B2
- Authority
- JP
- Japan
- Prior art keywords
- reference signal
- uplink
- base station
- user device
- control unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- 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
- H04B7/06—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]
-
- 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
- H04B7/06—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
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
-
- 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
-
- 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
- H04L25/0204—Channel estimation of multiple channels
-
- 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
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0026—Division using four or more dimensions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0057—Physical resource allocation for CQI
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0078—Timing of allocation
- H04L5/0082—Timing of allocation at predetermined intervals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/22—Arrangements affording multiple use of the transmission path using time-division multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/28—Cell structures using beam steering
-
- 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
-
- 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
- H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Description
ダウンリンクリファレンス信号に基づいてアップリンクリファレンス信号をプリコードする制御部と、
前記プリコードされたアップリンクリファレンス信号を送信する送信部と、を備える
ユーザ装置。
(第2項)
アップリンク共有チャネルの送信電力とは独立に前記アップリンクリファレンス信号の送信電力を決定する、
第1項に記載のユーザ装置。
(第3項)
固定のオフセット値でない値に基づいて前記アップリンクリファレンス信号の送信電力を決定する、
第1項に記載のユーザ装置。
(第4項)
前記アップリンクリファレンス信号のための無線リソースはRRCにより通知される、
第1項に記載のユーザ装置。
(第5項)
ダウンリンクリファレンス信号に基づいてアップリンクリファレンス信号をプリコードするステップと、
前記プリコードされたアップリンクリファレンス信号を送信するステップと、を備える
送信方法。
以上、本発明の実施例について詳述したが、本発明は上述した特定の実施形態に限定されるものではなく、特許請求の範囲に記載された本発明の要旨の範囲内において、種々の変形・変更が可能である。
100 基地局
200 ユーザ装置
Claims (5)
- ダウンリンクリファレンス信号のために用いられる1以上のプリコーディングマトリクスと同じ1以上のプリコーディングマトリクスを用いてアップリンクリファレンス信号をプリコードする制御部と、
前記プリコードされたアップリンクリファレンス信号を送信する送信部と、を備える
ユーザ装置。 - アップリンク共有チャネルの送信電力とは独立に前記アップリンクリファレンス信号の送信電力を決定する、
請求項1に記載のユーザ装置。 - 固定のオフセット値でない値に基づいて前記アップリンクリファレンス信号の送信電力を決定する、
請求項1に記載のユーザ装置。 - 前記アップリンクリファレンス信号のための無線リソースはRRCにより通知される、
請求項1に記載のユーザ装置。 - ダウンリンクリファレンス信号のために用いられる1以上のプリコーディングマトリクスと同じ1以上のプリコーディングマトリクスを用いてアップリンクリファレンス信号をプリコードするステップと、
前記プリコードされたアップリンクリファレンス信号を送信するステップと、を備える
送信方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014195885 | 2014-09-25 | ||
JP2014195885 | 2014-09-25 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016550082A Division JPWO2016047409A1 (ja) | 2014-09-25 | 2015-09-02 | 基地局及びユーザ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019176496A JP2019176496A (ja) | 2019-10-10 |
JP6883609B2 true JP6883609B2 (ja) | 2021-06-09 |
Family
ID=55580937
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016550082A Pending JPWO2016047409A1 (ja) | 2014-09-25 | 2015-09-02 | 基地局及びユーザ装置 |
JP2019100176A Active JP6883609B2 (ja) | 2014-09-25 | 2019-05-29 | ユーザ装置及び送信方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016550082A Pending JPWO2016047409A1 (ja) | 2014-09-25 | 2015-09-02 | 基地局及びユーザ装置 |
Country Status (4)
Country | Link |
---|---|
US (2) | US20170311321A1 (ja) |
JP (2) | JPWO2016047409A1 (ja) |
CN (2) | CN107079307A (ja) |
WO (1) | WO2016047409A1 (ja) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016010399A1 (ko) * | 2014-07-17 | 2016-01-21 | 엘지전자 주식회사 | 무선 통신 시스템에서 하향링크 신호 전송 방법 및 장치 |
CN106301506B (zh) * | 2015-05-15 | 2020-03-13 | 电信科学技术研究院 | 一种码本子集约束的方法及装置 |
CN107889556B (zh) * | 2015-07-10 | 2022-03-22 | 梁平 | 无线多天线系统中上行链路和下行链路信道状态信息的校准方法 |
EP3324694B1 (en) * | 2015-08-13 | 2024-01-17 | Huawei Technologies Co., Ltd. | Uplink reference signal transmission method, user terminal, and base station |
JP2017118462A (ja) * | 2015-12-25 | 2017-06-29 | 富士通株式会社 | 無線通信システムおよび基地局 |
US10715226B2 (en) * | 2016-02-12 | 2020-07-14 | Nokia Solutions And Networks Oy | Apparatus and method for control signalling in uplink precoding |
CN108702765B (zh) * | 2016-02-25 | 2023-07-25 | 瑞典爱立信有限公司 | 双工通信方法和装置 |
WO2018025908A1 (ja) * | 2016-08-03 | 2018-02-08 | 株式会社Nttドコモ | ユーザ端末及び無線通信方法 |
BR112019002672A2 (pt) | 2016-08-10 | 2019-05-14 | Idac Holdings, Inc. | método de transmissão de enlace ascendente implementado por uma unidade de transmissão/recepção sem fio, e, unidade de transmissão/recepção sem fio |
WO2018031869A1 (en) * | 2016-08-11 | 2018-02-15 | Docomo Innovations, Inc. | Method for uplink transmission |
EP3501115B1 (en) * | 2016-08-22 | 2020-03-04 | Telefonaktiebolaget LM Ericsson (publ) | Radio node and method therein for determining precoders |
CN114567932A (zh) * | 2016-09-30 | 2022-05-31 | 华为技术有限公司 | 一种数据传输的方法、相关装置以及系统 |
CN107920364B (zh) * | 2016-10-10 | 2020-10-16 | 华为技术有限公司 | 同步信号的发送方法、接收方法及装置 |
US10412716B2 (en) * | 2017-02-03 | 2019-09-10 | Qualcomm Incorporated | Communicating control data based on reference signals in wireless communications |
JP6860069B2 (ja) | 2017-06-02 | 2021-04-14 | 日本電気株式会社 | 無線装置及び無線通信方法 |
US10594371B2 (en) | 2017-08-11 | 2020-03-17 | Qualcomm Incorporated | Precoding reference signals for uplink transmission with downlink interference information |
SG11201911810PA (en) | 2017-10-30 | 2020-01-30 | Guangdong Oppo Mobile Telecommunications Corp Ltd | Method for transmitting signal, network device, and terminal device |
CN110034897B (zh) * | 2018-01-12 | 2022-03-22 | 大唐移动通信设备有限公司 | 一种参考信号传输方法及装置 |
WO2019148511A1 (en) * | 2018-02-05 | 2019-08-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and devices for estimation of mimo channel state information |
WO2020061952A1 (en) | 2018-09-27 | 2020-04-02 | Qualcomm Incorporated | Sounding reference signal (srs) guided downlink channel state information-reference signal (csi-rs) scan |
Family Cites Families (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9270356B2 (en) * | 2009-03-22 | 2016-02-23 | Lg Electronics Inc. | Channel-sounding method using a plurality of antennas, and apparatus for same |
US10218481B2 (en) | 2009-04-22 | 2019-02-26 | Lg Electronics Inc. | Apparatus and method for transmitting a reference signal in a wireless communication system |
KR101715397B1 (ko) * | 2009-04-22 | 2017-03-13 | 엘지전자 주식회사 | 무선 통신 시스템에서 참조신호 전송 장치 및 방법 |
CN102239648B (zh) * | 2009-04-27 | 2015-12-02 | 华为技术有限公司 | 基于码本的上行发射方法及设备 |
CN101695191B (zh) * | 2009-09-29 | 2014-04-09 | 中兴通讯股份有限公司 | 一种分配测量参考信号资源的系统及方法 |
CN102055702B (zh) * | 2009-10-30 | 2014-02-19 | 中兴通讯股份有限公司南京分公司 | 下行链路解调参考信号的传输方法、基站、中继站及系统 |
JP5538930B2 (ja) * | 2010-02-04 | 2014-07-02 | シャープ株式会社 | 移動局装置、基地局装置、無線通信システムおよび無線通信方法 |
KR101807875B1 (ko) | 2010-03-05 | 2017-12-12 | 엘지전자 주식회사 | 무선 통신 시스템에서 비주기적 사운딩 참조 신호 전송 방법 및 장치 |
US8917687B2 (en) * | 2010-04-20 | 2014-12-23 | China Mobile Communications Corporation | Method, apparatus and system for sending and receiving sounding reference signal |
CN102244557B (zh) * | 2010-05-12 | 2014-06-11 | 中国移动通信集团公司 | 发送与接收信道探测参考信号的方法及装置 |
JP5610861B2 (ja) * | 2010-06-10 | 2014-10-22 | シャープ株式会社 | 移動局装置、基地局装置、無線通信システム、無線通信方法および集積回路 |
CN102300270B (zh) * | 2010-06-25 | 2015-01-14 | 电信科学技术研究院 | 回程链路控制信道信息的资源配置方法和设备 |
US20110317748A1 (en) * | 2010-06-29 | 2011-12-29 | Interdigital Patent Holdings, Inc. | Demodulation reference signal based channel state information feedback in ofdm-mimo systems |
CN102045762B (zh) * | 2010-12-02 | 2013-07-24 | 大唐移动通信设备有限公司 | 一种上报信道状态的方法及装置 |
CN102170330B (zh) * | 2011-04-29 | 2017-08-08 | 中兴通讯股份有限公司 | 测量参考信号的发送方法及系统 |
JP5707231B2 (ja) * | 2011-05-27 | 2015-04-22 | 京セラ株式会社 | 基地局及び無線リソースの割り当て方法 |
JP2013017016A (ja) * | 2011-07-04 | 2013-01-24 | Sharp Corp | 基地局装置、移動局装置、通信システムおよび通信方法 |
WO2013022261A2 (en) * | 2011-08-11 | 2013-02-14 | Samsung Electronics Co., Ltd. | Extension of physical downlink control channels in a communication system |
KR102052376B1 (ko) * | 2011-08-17 | 2019-12-05 | 엘지전자 주식회사 | 기지국 협력 무선 통신 시스템에서 사운딩 참조 신호를 송신하는 방법 및 이를 위한 장치 |
CN103001742B (zh) * | 2011-09-09 | 2018-12-07 | 中兴通讯股份有限公司 | 基于解调参考信号的开环mimo传输方法及装置 |
WO2013046965A1 (ja) * | 2011-09-28 | 2013-04-04 | シャープ株式会社 | 移動局装置、通信システム、通信方法および集積回路 |
WO2013055126A1 (ko) * | 2011-10-11 | 2013-04-18 | 엘지전자 주식회사 | 복수의 네트워크 노드로 구성된 셀을 포함하는 무선통신 시스템에서 채널품질상태를 측정하는 방법 및 이를 위한 장치 |
JP2013236289A (ja) * | 2012-05-10 | 2013-11-21 | Sharp Corp | 端末、基地局、通信方法および集積回路 |
JP5842061B2 (ja) | 2012-07-27 | 2016-01-13 | 京セラ株式会社 | 移動通信システム、ユーザ端末、及びプロセッサ |
CN103765941B (zh) | 2012-08-01 | 2018-04-10 | 太阳专利信托公司 | 无线通信终端装置和无线通信方法 |
US9661668B2 (en) * | 2012-09-28 | 2017-05-23 | Electronics And Telecommunications Research Institute | Method of device to device communication and apparatus thereof |
US9596065B2 (en) | 2012-10-24 | 2017-03-14 | Qualcomm Incorporated | Enhanced SRS transmission for MIMO operation in LTE-A |
US9300451B2 (en) | 2013-03-13 | 2016-03-29 | Samsung Electronics Co., Ltd. | Transmission of sounding reference signals for adaptively configured TDD communication systems |
RU2767777C2 (ru) * | 2013-03-15 | 2022-03-21 | Риарден, Ллк | Системы и способы радиочастотной калибровки с использованием принципа взаимности каналов в беспроводной связи с распределенным входом - распределенным выходом |
CN105324953B (zh) * | 2013-09-16 | 2020-11-06 | 华为技术有限公司 | 下行信道预编码矩阵的确定方法、基站和用户设备 |
JP6364206B2 (ja) * | 2014-02-28 | 2018-07-25 | 株式会社Nttドコモ | 無線基地局、ユーザ端末および無線通信方法 |
JP5756546B2 (ja) * | 2014-04-28 | 2015-07-29 | シャープ株式会社 | 移動局装置、基地局装置および通信方法 |
CN105490787B (zh) * | 2014-09-15 | 2019-06-14 | 中兴通讯股份有限公司 | 下行导频的发送方法、检测方法、装置及基站、终端 |
-
2015
- 2015-09-02 WO PCT/JP2015/075007 patent/WO2016047409A1/ja active Application Filing
- 2015-09-02 US US15/513,356 patent/US20170311321A1/en not_active Abandoned
- 2015-09-02 CN CN201580051308.1A patent/CN107079307A/zh active Pending
- 2015-09-02 CN CN202010434140.5A patent/CN111641485B/zh active Active
- 2015-09-02 JP JP2016550082A patent/JPWO2016047409A1/ja active Pending
-
2019
- 2019-05-06 US US16/403,973 patent/US11212794B2/en active Active
- 2019-05-29 JP JP2019100176A patent/JP6883609B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
US11212794B2 (en) | 2021-12-28 |
CN111641485A (zh) | 2020-09-08 |
CN107079307A (zh) | 2017-08-18 |
US20170311321A1 (en) | 2017-10-26 |
US20190281602A1 (en) | 2019-09-12 |
JPWO2016047409A1 (ja) | 2017-07-20 |
JP2019176496A (ja) | 2019-10-10 |
WO2016047409A1 (ja) | 2016-03-31 |
CN111641485B (zh) | 2023-06-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6883609B2 (ja) | ユーザ装置及び送信方法 | |
JP7337747B2 (ja) | ユーザ装置、無線通信方法、基地局及びシステム | |
US20220166469A1 (en) | Channel State Information for Reference Signals in a Wireless Communication System | |
JP7003111B2 (ja) | 高度csiフィードバックオーバヘッド低減のための構成可能コードブック | |
EP3497809B1 (en) | Progressive advanced csi feedback | |
AU2021204447B2 (en) | Interference measurements and channel state information feedback for multi-user multiple-in multiple-out | |
US10020860B2 (en) | Downlink signaling for partially precoded CSI-RS and CSI feedback | |
WO2014038347A1 (ja) | 無線基地局、無線通信システム及び無線通信方法 | |
JP6997824B2 (ja) | ユーザ装置、無線通信方法及び基地局 | |
JP6771582B2 (ja) | 低複雑性マルチ設定csiレポート | |
US9882617B2 (en) | Method and apparatus for reporting precoding information in a communication network | |
EP3577836B1 (en) | Dynamic indication for channel state information feedback | |
CN114268419A (zh) | 用户设备、用户设备的方法以及系统 | |
US11811484B2 (en) | Apparatuses and methods for multi-user transmissions | |
JP7196902B2 (ja) | 基地局、方法、プログラム、及び記録媒体 | |
WO2023148704A1 (en) | Csi-rs reception for high mobility | |
JP2017163585A (ja) | 無線基地局、ユーザ端末及び無線通信方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190529 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200331 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200528 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20201020 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20201203 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20210413 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20210510 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6883609 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |