JP2019518348A5 - - Google Patents
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- JP2019518348A5 JP2019518348A5 JP2018550561A JP2018550561A JP2019518348A5 JP 2019518348 A5 JP2019518348 A5 JP 2019518348A5 JP 2018550561 A JP2018550561 A JP 2018550561A JP 2018550561 A JP2018550561 A JP 2018550561A JP 2019518348 A5 JP2019518348 A5 JP 2019518348A5
- Authority
- JP
- Japan
- Prior art keywords
- vectors
- spatial covariance
- csi
- orthogonal basis
- transmitting
- 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.)
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- 239000013598 vector Substances 0.000 claims 31
- 238000000034 method Methods 0.000 claims 13
- 238000013139 quantization Methods 0.000 claims 8
- 238000005259 measurement Methods 0.000 claims 3
- 238000004891 communication Methods 0.000 claims 2
- 238000004590 computer program Methods 0.000 claims 1
- 239000011159 matrix material Substances 0.000 claims 1
- 230000011664 signaling Effects 0.000 claims 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNPCT/CN2016/078179 | 2016-03-31 | ||
| PCT/CN2016/078179 WO2017166219A1 (en) | 2016-03-31 | 2016-03-31 | Channel covariance feedback for enhanced fd-mimo |
| PCT/CN2017/073872 WO2017166940A1 (en) | 2016-03-31 | 2017-02-17 | Channel covariance feedback for enhanced fd-mimo |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2019518348A JP2019518348A (ja) | 2019-06-27 |
| JP2019518348A5 true JP2019518348A5 (enExample) | 2020-03-12 |
| JP7062597B2 JP7062597B2 (ja) | 2022-05-06 |
Family
ID=59962467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018550561A Active JP7062597B2 (ja) | 2016-03-31 | 2017-02-17 | 強化型fd-mimoのためのチャネル共分散フィードバック |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US11632208B2 (enExample) |
| EP (1) | EP3437208A4 (enExample) |
| JP (1) | JP7062597B2 (enExample) |
| CN (1) | CN109314559B (enExample) |
| AU (1) | AU2017240856B2 (enExample) |
| CA (1) | CA3016260A1 (enExample) |
| WO (2) | WO2017166219A1 (enExample) |
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| WO2017171485A1 (ko) * | 2016-03-31 | 2017-10-05 | 엘지전자 주식회사 | 무선 통신 시스템에서 dm-rs 기반 하향링크 전송을 위한 피드백 정보 송신 방법 및 이를 위한 장치 |
| WO2017188693A1 (ko) * | 2016-04-25 | 2017-11-02 | 엘지전자 주식회사 | 다중 안테나 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 이를 위한 장치 |
| WO2018084622A1 (ko) * | 2016-11-03 | 2018-05-11 | 엘지전자 주식회사 | 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 이를 위한 장치 |
| CN109787727B (zh) * | 2017-11-13 | 2021-08-27 | 上海朗帛通信技术有限公司 | 一种用于无线通信的用户设备、基站中的方法和装置 |
| WO2019103454A1 (ko) * | 2017-11-21 | 2019-05-31 | 엘지전자 주식회사 | 피드백 정보를 전송하는 방법 및 이를 위한 단말 |
| WO2019142057A1 (en) * | 2018-01-19 | 2019-07-25 | Lenovo (Singapore) Pte. Ltd. | Channel compression matrix parameters |
| CN109314563B (zh) * | 2018-02-24 | 2021-08-31 | 香港应用科技研究院有限公司 | 用于确定mimo无线通信系统中的csi的方法和装置 |
| EP3782295A1 (en) * | 2018-04-16 | 2021-02-24 | Nokia Solutions and Networks Oy | Method and device for long term beamforming |
| US10348386B1 (en) * | 2018-08-09 | 2019-07-09 | At&T Intellectual Property I, L.P. | Facilitation of user equipment specific compression of beamforming coefficients for fronthaul links for 5G or other next generation network |
| CN113316909A (zh) * | 2018-12-05 | 2021-08-27 | 瑞典爱立信有限公司 | 用于获得ue特定的csi的可扩展方法 |
| CN113708810B (zh) * | 2018-12-17 | 2022-11-01 | 华为技术有限公司 | 一种通信方法及设备 |
| WO2020143446A1 (zh) | 2019-01-11 | 2020-07-16 | 电信科学技术研究院有限公司 | 一种信道状态信息发送及接收方法、终端设备和网络设备 |
| CN111435851B (zh) * | 2019-01-11 | 2021-06-15 | 大唐移动通信设备有限公司 | 一种信道状态信息发送及接收方法、终端设备和网络设备 |
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| KR102541152B1 (ko) * | 2019-02-26 | 2023-06-13 | 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 | 코드북을 피드백하는 방법, 단말 장치 및 네트워크 장치 |
| US11277184B2 (en) | 2019-02-26 | 2022-03-15 | Samsung Electronics Co., Ltd. | Method and apparatus for high rand CSI reporting in wireless communications systems |
| CN111726154B (zh) * | 2019-03-21 | 2022-04-01 | 大唐移动通信设备有限公司 | 一种信道状态信息上报的方法和设备 |
| CN111800172B (zh) * | 2019-04-09 | 2022-02-25 | 华为技术有限公司 | 一种通信方法及装置 |
| US11290167B2 (en) * | 2019-04-19 | 2022-03-29 | Samsung Electronics Co., Ltd. | Frequency division duplex channel state information acquisition based on Kronecker product |
| CN111934734B (zh) * | 2019-05-13 | 2022-02-22 | 大唐移动通信设备有限公司 | Csi上报方法、csi接收方法、终端和网络侧设备 |
| US10979120B2 (en) * | 2019-05-30 | 2021-04-13 | Cypress Semiconductor Corporation | Method for optimizing channel sounding feedback in MIMO systems |
| EP3984141A4 (en) | 2019-06-14 | 2022-11-02 | NEC Corporation | METHOD, DEVICE AND COMPUTER READABLE MEDIA FOR TRANSMISSION OF UPLINK CONTROL INFORMATION |
| CN110855338B (zh) * | 2019-10-28 | 2021-04-23 | 东南大学 | 基于两层预编码的fd-mimo下行自适应传输方法 |
| EP4094374B1 (en) | 2020-01-23 | 2024-10-30 | Qualcomm Incorporated | Precoding matrix indicator feedback for multiple transmission hypotheses |
| US11464017B1 (en) | 2021-03-25 | 2022-10-04 | At&T Intellectual Property I, L.P. | Facilitation of beamforming utilizing interpolation for 5G or other next generation network |
| US12489502B2 (en) | 2021-08-25 | 2025-12-02 | Mediatek Inc. | Method and user equipment for determining precoder of MIMO system |
| WO2023147681A1 (en) * | 2022-02-01 | 2023-08-10 | Qualcomm Incorporated | Time domain basis reporting for channel state information |
| CN117478182A (zh) * | 2022-07-30 | 2024-01-30 | 华为技术有限公司 | 信道状态信息的上报方法及通信装置 |
| US11985009B2 (en) * | 2022-09-12 | 2024-05-14 | Nokia Solutions And Networks Oy | Determining covariance using a lossy compression method |
| WO2025176285A1 (en) * | 2024-02-20 | 2025-08-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Handling coefficients of co-variability of antenna elements |
| US12363579B1 (en) * | 2024-08-31 | 2025-07-15 | Tp-Link Systems Inc. | Method and communication apparatus for CSI feedback, and computer-readable storage medium |
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| US8665930B2 (en) * | 2010-02-17 | 2014-03-04 | Blackberry Limited | System and method for channel status information feedback in a wireless communications system that utilizes multiple-input multiple-output (MIMO) transmission |
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| US8976884B2 (en) * | 2012-12-20 | 2015-03-10 | Google Technology Holdings LLC | Method and apparatus for antenna array channel feedback |
| US9281881B2 (en) * | 2013-02-12 | 2016-03-08 | Texas Instruments Incorporated | 4TX codebook enhancement in LTE |
| US9106280B2 (en) * | 2013-04-15 | 2015-08-11 | Broadcom Corporation | Pilot design for massive MIMO communication |
| US9713026B2 (en) | 2013-05-17 | 2017-07-18 | Qualcomm Incorporated | Channel state information (CSI) measurement and reporting for enhanced interference management for traffic adaptation (eIMTA) in LTE |
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| CN105247809B (zh) * | 2013-05-31 | 2019-06-21 | 高通股份有限公司 | 全维mimo系统中的线性预编码和动态垂直扇区化 |
| CN104620527B (zh) * | 2013-08-08 | 2018-06-19 | 华为技术有限公司 | 确定预编码矩阵指示的方法、接收设备和发送设备 |
| KR102258289B1 (ko) * | 2014-05-22 | 2021-05-31 | 삼성전자 주식회사 | 이차원 배열 안테나를 사용하는 이동통신 시스템에서의 채널 피드백의 생성 및 전송 방법 및 장치 |
| CN104202276B (zh) | 2014-07-16 | 2018-06-01 | 中兴通讯股份有限公司 | 信道信息的量化反馈、数据的预编码方法及装置 |
| US20160072562A1 (en) * | 2014-09-10 | 2016-03-10 | Samsung Electronics Co., Ltd. | Channel state information reporting with basis expansion for advanced wireless communications systems |
| US9654195B2 (en) * | 2014-11-17 | 2017-05-16 | Samsung Electronics Co., Ltd. | Methods to calculate linear combination pre-coders for MIMO wireless communication systems |
| US9893777B2 (en) * | 2014-11-17 | 2018-02-13 | Samsung Electronics Co., Ltd. | Method and apparatus for precoding channel state information reference signal |
| EP3269046A4 (en) * | 2015-03-13 | 2018-04-25 | Samsung Electronics Co., Ltd. | Advanced feedback and reference signal transmissions for mimo wireless communication systems |
| US10164747B2 (en) * | 2015-05-29 | 2018-12-25 | Samsung Electronics Co., Ltd. | Method and apparatus for operating MIMO measurement reference signals and feedback |
| US10476575B2 (en) * | 2015-07-23 | 2019-11-12 | Lg Electronics Inc. | Codebook-based signal transmission/reception method in multi-antenna wireless communication system, and device for same |
| EP3363123B1 (en) * | 2015-10-12 | 2019-12-04 | Telefonaktiebolaget LM Ericsson (PUBL) | A wireless device, a network node and methods therein for determining channel state measurements in a wireless communications network |
| US10763925B2 (en) * | 2015-11-11 | 2020-09-01 | Samsung Electronics Co., Ltd. | Method and apparatus for reduced feedback MIMO |
| EP3399661A4 (en) * | 2015-12-31 | 2019-09-04 | LG Electronics Inc. -1- | METHOD FOR CSI REPORTING IN A WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR |
| US10637546B2 (en) * | 2016-02-23 | 2020-04-28 | Lg Electronics Inc. | Method for transceiving channel state information and apparatus therefor in multiple-antenna wireless communication system |
| US10411868B2 (en) * | 2016-02-24 | 2019-09-10 | Samsung Electronics Co., Ltd. | Method and apparatus for channel state information (CSI) reporting |
| US10129906B2 (en) * | 2016-03-01 | 2018-11-13 | Samsung Electronics Co., Ltd. | Partial port hybrid CSI feedback for MIMO wireless communication systems |
| US10056956B2 (en) * | 2016-03-24 | 2018-08-21 | Samsung Electronics Co., Ltd. | Precoder codebook for CSI reporting in advanced wireless communication systems |
| WO2017161590A1 (en) * | 2016-03-25 | 2017-09-28 | Qualcomm Incorporated | Enhanced hybrid csi-rs for fd-mimo |
| US10009088B2 (en) * | 2016-03-28 | 2018-06-26 | Samsung Electronics Co., Ltd. | Linear combination PMI codebook based CSI reporting in advanced wireless communication systems |
-
2016
- 2016-03-31 WO PCT/CN2016/078179 patent/WO2017166219A1/en not_active Ceased
-
2017
- 2017-02-17 EP EP17772971.2A patent/EP3437208A4/en not_active Withdrawn
- 2017-02-17 CN CN201780020399.1A patent/CN109314559B/zh active Active
- 2017-02-17 JP JP2018550561A patent/JP7062597B2/ja active Active
- 2017-02-17 AU AU2017240856A patent/AU2017240856B2/en active Active
- 2017-02-17 WO PCT/CN2017/073872 patent/WO2017166940A1/en not_active Ceased
- 2017-02-17 CA CA3016260A patent/CA3016260A1/en active Pending
- 2017-02-17 US US16/078,434 patent/US11632208B2/en active Active
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