CN108702182A - 混合开环和闭环波束形成 - Google Patents
混合开环和闭环波束形成 Download PDFInfo
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- CN108702182A CN108702182A CN201680082756.2A CN201680082756A CN108702182A CN 108702182 A CN108702182 A CN 108702182A CN 201680082756 A CN201680082756 A CN 201680082756A CN 108702182 A CN108702182 A CN 108702182A
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Classifications
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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
- H04B7/0413—MIMO systems
-
- 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
- H04B7/0417—Feedback systems
-
- 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
- H04B7/0617—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 for beam forming
-
- 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
- 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
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
-
- 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
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
- Treating Waste Gases (AREA)
- Control Of Metal Rolling (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
Description
Claims (25)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2016/025701 WO2017171867A1 (en) | 2016-04-01 | 2016-04-01 | Hybrid open-loop and closed-loop beamforming |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108702182A true CN108702182A (zh) | 2018-10-23 |
CN108702182B CN108702182B (zh) | 2021-10-15 |
Family
ID=55755747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201680082756.2A Active CN108702182B (zh) | 2016-04-01 | 2016-04-01 | 混合开环和闭环波束形成 |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN108702182B (zh) |
TW (1) | TWI815792B (zh) |
WO (1) | WO2017171867A1 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020034569A1 (en) * | 2019-01-10 | 2020-02-20 | Zte Corporation | Signaling of quasi-co-location information in wireless systems |
WO2020134984A1 (zh) * | 2018-12-29 | 2020-07-02 | 华为技术有限公司 | 一种波束失败恢复方法及装置 |
CN111615857A (zh) * | 2018-11-08 | 2020-09-01 | 华为技术有限公司 | 一种波束管理的方法、装置和系统 |
CN113994606A (zh) * | 2019-06-21 | 2022-01-28 | 高通股份有限公司 | 用于基于波束扫描来执行重传的技术 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10602520B2 (en) | 2017-03-24 | 2020-03-24 | Qualcomm Incorporated | Multi-link control beam switching |
WO2019076441A1 (en) * | 2017-10-17 | 2019-04-25 | Telefonaktiebolaget Lm Ericsson (Publ) | METHOD AND APPARATUS FOR SYNCHRONIZATION SIGNAL TRANSMISSION |
CN109195141B (zh) * | 2018-07-25 | 2021-09-10 | 京信网络系统股份有限公司 | 基站开站方法、装置、计算机存储介质及设备 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1585296A (zh) * | 2003-08-18 | 2005-02-23 | 阿尔卡特公司 | 组合的开环和闭环发射分集系统 |
CN1909438A (zh) * | 2005-08-05 | 2007-02-07 | 松下电器产业株式会社 | 在特征波束成形发送mimo系统中使用的重传方法和设备 |
CN101258730A (zh) * | 2005-09-30 | 2008-09-03 | 三菱电机研究实验室 | 用于在mimo无线lan中选择天线和波束的训练信号 |
CN101505205A (zh) * | 2008-02-05 | 2009-08-12 | 夏普株式会社 | 基于波达方向的开环mimo方法、基站及用户设备 |
CN104040906A (zh) * | 2011-11-08 | 2014-09-10 | 爱立信(中国)通信有限公司 | 用于执行和控制重传的方法及其装置 |
CN104604172A (zh) * | 2012-09-07 | 2015-05-06 | 高通股份有限公司 | 选择用于经波束成形的通信的调制和编码方案 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9179319B2 (en) * | 2005-06-16 | 2015-11-03 | Qualcomm Incorporated | Adaptive sectorization in cellular systems |
US8315657B2 (en) * | 2008-09-22 | 2012-11-20 | Futurewei Technologies, Inc. | System and method for enabling coordinated beam switching and scheduling |
US9935699B2 (en) * | 2012-06-22 | 2018-04-03 | Samsung Electronics Co., Ltd. | Communication method and apparatus using beamforming in a wireless communication system |
US11122444B2 (en) * | 2012-11-09 | 2021-09-14 | Interdigital Patent Holdings, Inc. | Beamforming methods and methods for using beams |
CN110113081B (zh) * | 2013-07-08 | 2022-05-10 | 三星电子株式会社 | 使用波束成形的通信系统中发送和接收数据的方法和装置 |
KR102195688B1 (ko) * | 2014-02-20 | 2020-12-28 | 삼성전자 주식회사 | 빔포밍을 지원하는 무선 통신 시스템에서 피드백 정보 처리 방법 및 장치 |
-
2016
- 2016-04-01 WO PCT/US2016/025701 patent/WO2017171867A1/en active Application Filing
- 2016-04-01 CN CN201680082756.2A patent/CN108702182B/zh active Active
-
2017
- 2017-02-23 TW TW106106230A patent/TWI815792B/zh active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1585296A (zh) * | 2003-08-18 | 2005-02-23 | 阿尔卡特公司 | 组合的开环和闭环发射分集系统 |
CN1909438A (zh) * | 2005-08-05 | 2007-02-07 | 松下电器产业株式会社 | 在特征波束成形发送mimo系统中使用的重传方法和设备 |
CN101258730A (zh) * | 2005-09-30 | 2008-09-03 | 三菱电机研究实验室 | 用于在mimo无线lan中选择天线和波束的训练信号 |
CN101505205A (zh) * | 2008-02-05 | 2009-08-12 | 夏普株式会社 | 基于波达方向的开环mimo方法、基站及用户设备 |
CN104040906A (zh) * | 2011-11-08 | 2014-09-10 | 爱立信(中国)通信有限公司 | 用于执行和控制重传的方法及其装置 |
CN104604172A (zh) * | 2012-09-07 | 2015-05-06 | 高通股份有限公司 | 选择用于经波束成形的通信的调制和编码方案 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111615857A (zh) * | 2018-11-08 | 2020-09-01 | 华为技术有限公司 | 一种波束管理的方法、装置和系统 |
CN111615857B (zh) * | 2018-11-08 | 2023-01-13 | 华为技术有限公司 | 一种波束管理的方法、装置和系统 |
WO2020134984A1 (zh) * | 2018-12-29 | 2020-07-02 | 华为技术有限公司 | 一种波束失败恢复方法及装置 |
CN111385890A (zh) * | 2018-12-29 | 2020-07-07 | 成都华为技术有限公司 | 一种波束失败恢复方法及装置 |
WO2020034569A1 (en) * | 2019-01-10 | 2020-02-20 | Zte Corporation | Signaling of quasi-co-location information in wireless systems |
US11765691B2 (en) | 2019-01-10 | 2023-09-19 | Zte Corporation | Signaling of quasi-co-location information in wireless systems |
US12101744B2 (en) | 2019-01-10 | 2024-09-24 | Zte Corporation | Signaling of quasi-co-location information in wireless systems |
CN113994606A (zh) * | 2019-06-21 | 2022-01-28 | 高通股份有限公司 | 用于基于波束扫描来执行重传的技术 |
CN113994606B (zh) * | 2019-06-21 | 2024-04-26 | 高通股份有限公司 | 用于基于波束扫描来执行重传的技术 |
Also Published As
Publication number | Publication date |
---|---|
CN108702182B (zh) | 2021-10-15 |
TWI815792B (zh) | 2023-09-21 |
WO2017171867A1 (en) | 2017-10-05 |
TW201742390A (zh) | 2017-12-01 |
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