CN103326765B - 一种双流波束赋形方法及装置 - Google Patents
一种双流波束赋形方法及装置 Download PDFInfo
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- CN103326765B CN103326765B CN201210074892.0A CN201210074892A CN103326765B CN 103326765 B CN103326765 B CN 103326765B CN 201210074892 A CN201210074892 A CN 201210074892A CN 103326765 B CN103326765 B CN 103326765B
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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
- H04B7/06—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
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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
- H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/74—Multi-channel systems specially adapted for direction-finding, i.e. having a single antenna system capable of giving simultaneous indications of the directions of different signals
-
- 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
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
-
- 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
- H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
-
- 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
- H04B7/0697—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 spatial multiplexing
-
- 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
- H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
-
- 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
- H04B7/0891—Space-time diversity
- H04B7/0897—Space-time diversity using beamforming per multi-path, e.g. to cope with different directions of arrival [DOA] at different multi-paths
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
-
- 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
- H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
- H04B7/0465—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking power constraints at power amplifier or emission constraints, e.g. constant modulus, into account
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Description
Claims (18)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210074892.0A CN103326765B (zh) | 2012-03-20 | 2012-03-20 | 一种双流波束赋形方法及装置 |
US14/386,340 US9197295B2 (en) | 2012-03-20 | 2012-12-26 | Double-stream beamforming method and device |
EP12872137.0A EP2830232B1 (en) | 2012-03-20 | 2012-12-26 | Double-stream beamforming method and device |
PCT/CN2012/087586 WO2013139163A1 (zh) | 2012-03-20 | 2012-12-26 | 一种双流波束赋形方法及装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210074892.0A CN103326765B (zh) | 2012-03-20 | 2012-03-20 | 一种双流波束赋形方法及装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103326765A CN103326765A (zh) | 2013-09-25 |
CN103326765B true CN103326765B (zh) | 2016-08-03 |
Family
ID=49195323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201210074892.0A Active CN103326765B (zh) | 2012-03-20 | 2012-03-20 | 一种双流波束赋形方法及装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9197295B2 (zh) |
EP (1) | EP2830232B1 (zh) |
CN (1) | CN103326765B (zh) |
WO (1) | WO2013139163A1 (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103905105B (zh) * | 2014-02-19 | 2017-10-03 | 大唐移动通信设备有限公司 | 一种双流波束赋形方法和装置 |
US9716979B2 (en) | 2014-12-12 | 2017-07-25 | Calix, Inc. | System and method for locating nodes within a wireless network |
CN105812044B (zh) * | 2014-12-31 | 2019-01-08 | 电信科学技术研究院 | 一种双流波束赋形方法及装置 |
US9844077B1 (en) * | 2015-03-19 | 2017-12-12 | Sprint Spectrum L.P. | Secondary component carrier beamforming |
US10341014B2 (en) * | 2015-04-15 | 2019-07-02 | RF DSP Inc. | Hybrid beamforming multi-antenna wireless systems |
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 |
CN107979399B (zh) * | 2016-10-24 | 2020-09-04 | 华为技术有限公司 | 一种生成量化码本的方法、装置及*** |
CN109951216B (zh) * | 2018-12-26 | 2020-10-20 | 中国传媒大学 | 一种基于码本辅助的大规模mimo doa估计方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008103806A1 (en) * | 2007-02-22 | 2008-08-28 | Cisco Technology, Inc. | Method for generating downlink beamforming weighting vectors |
CN101364828A (zh) * | 2007-08-09 | 2009-02-11 | 中兴通讯股份有限公司 | 一种下行波束形成方法 |
CN101459457B (zh) * | 2007-12-12 | 2013-01-16 | 鼎桥通信技术有限公司 | 一种波束赋形方法 |
CN101594176B (zh) | 2008-05-27 | 2012-10-10 | 电信科学技术研究院 | 双流波束赋型方法、装置及支持双流波束赋型传输的设备 |
US8134503B2 (en) * | 2008-06-30 | 2012-03-13 | Cisco Technology, Inc. | Open-loop beamforming MIMO communications in frequency division duplex systems |
EP2351246B1 (en) * | 2008-11-03 | 2017-02-22 | Telefonaktiebolaget LM Ericsson (publ) | Method for transmission of reference signals and determination of precoding matrices for multi-antenna transmission |
CN101848021B (zh) * | 2009-03-24 | 2013-02-20 | 大唐移动通信设备有限公司 | 一种智能天线阵广播波束权值的生成方法和装置 |
CN101938302B (zh) * | 2009-06-29 | 2013-04-17 | 电信科学技术研究院 | 一种波束赋形传输的方法及装置 |
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2012
- 2012-03-20 CN CN201210074892.0A patent/CN103326765B/zh active Active
- 2012-12-26 WO PCT/CN2012/087586 patent/WO2013139163A1/zh active Application Filing
- 2012-12-26 US US14/386,340 patent/US9197295B2/en active Active
- 2012-12-26 EP EP12872137.0A patent/EP2830232B1/en active Active
Non-Patent Citations (1)
Title |
---|
Power offset compensation schemes between CRS and DRS for downlink dual layer beamforming in LTE system;lilei wang et al;《IEEE》;20100825;第III部分 * |
Also Published As
Publication number | Publication date |
---|---|
EP2830232B1 (en) | 2017-05-03 |
EP2830232A4 (en) | 2015-05-06 |
EP2830232A1 (en) | 2015-01-28 |
WO2013139163A1 (zh) | 2013-09-26 |
US20150049826A1 (en) | 2015-02-19 |
CN103326765A (zh) | 2013-09-25 |
US9197295B2 (en) | 2015-11-24 |
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Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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Effective date of registration: 20210601 Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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