IN2014DN06837A - - Google Patents
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- Publication number
- IN2014DN06837A IN2014DN06837A IN6837DEN2014A IN2014DN06837A IN 2014DN06837 A IN2014DN06837 A IN 2014DN06837A IN 6837DEN2014 A IN6837DEN2014 A IN 6837DEN2014A IN 2014DN06837 A IN2014DN06837 A IN 2014DN06837A
- Authority
- IN
- India
- Prior art keywords
- base station
- data signal
- radio base
- user equipment
- active
- Prior art date
Links
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/SE2012/050239 WO2013129984A1 (en) | 2012-03-02 | 2012-03-02 | Radio base station and method therein for transmitting a data signal to a user equipment in a radio communications network |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2014DN06837A true IN2014DN06837A (ru) | 2015-05-22 |
Family
ID=49042798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN6837DEN2014 IN2014DN06837A (ru) | 2012-03-02 | 2012-03-02 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9031148B2 (ru) |
EP (1) | EP2820772B1 (ru) |
IN (1) | IN2014DN06837A (ru) |
WO (1) | WO2013129984A1 (ru) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9368871B2 (en) * | 2012-03-14 | 2016-06-14 | John Howard | Fractional beam forming network antenna |
EP2832011A1 (en) * | 2012-03-30 | 2015-02-04 | Nokia Solutions and Networks Oy | Feedback methodology for per-user elevation mimo |
US9059878B2 (en) | 2012-03-30 | 2015-06-16 | Nokia Solutions And Networks Oy | Codebook feedback method for per-user elevation beamforming |
US9161241B2 (en) * | 2012-03-30 | 2015-10-13 | Nokia Solutions And Networks Oy | Reference signal design and signaling for per-user elevation MIMO |
US9119209B2 (en) * | 2012-03-30 | 2015-08-25 | Samsung Electronics Co., Ltd. | Apparatus and method for channel-state-information pilot design for an advanced wireless network |
WO2014168319A1 (en) * | 2013-04-08 | 2014-10-16 | Lg Electronics Inc. | Method and apparatus for providing control information for fractional beamforming in a wireless communication system |
US9154206B2 (en) * | 2013-06-28 | 2015-10-06 | Nokia Solutions And Networks Oy | Vertical beam design for UE-specific beamforming by matching to a CB |
BR112016022833B1 (pt) * | 2014-05-08 | 2022-12-06 | Telefonaktiebolaget Lm Ericsson (Publ) | Método realizado por um aparelho de antena para formação de feixe, arranjo de antenas de polarização dupla para a formação de feixe, nó de rede, terminal sem fio, e, meio de armazenamento legível por computador |
KR101993967B1 (ko) * | 2014-05-08 | 2019-06-27 | 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) | 안테나 배열체를 사용하는 빔 포밍 |
US20160072562A1 (en) * | 2014-09-10 | 2016-03-10 | Samsung Electronics Co., Ltd. | Channel state information reporting with basis expansion for advanced wireless communications systems |
JP6479994B2 (ja) | 2015-01-14 | 2019-03-06 | テレフオンアクチーボラゲット エルエム エリクソン(パブル) | コードブックサブセット制約シグナリング |
CN106160801B (zh) * | 2015-03-25 | 2020-01-31 | 联想(北京)有限公司 | 一种信号处理方法及基站 |
CN107925455B (zh) * | 2015-06-18 | 2021-09-07 | 瑞典爱立信有限公司 | 用于适配码本以供多个天线配置使用的系统和方法 |
US10020857B2 (en) | 2015-09-04 | 2018-07-10 | Telefonaktiebolaget L M Ericsson (Publ) | Precoding a transmission from an antenna array that includes co-polarized antenna elements aligned in a given spatial dimension |
CN108352870B (zh) | 2015-11-04 | 2021-07-27 | 瑞典爱立信有限公司 | 对从天线阵列的传输进行预编码的方法和发送无线电节点 |
CN107370530B (zh) * | 2016-05-12 | 2021-02-12 | 华为技术有限公司 | 信道状态信息反馈方法、预编码方法、终端设备和基站 |
CN108667550B (zh) * | 2017-03-28 | 2020-02-14 | 华为技术有限公司 | 一种干扰协调方法及装置 |
US10389426B2 (en) * | 2017-04-25 | 2019-08-20 | Samsung Electronics Co., Ltd. | Method and apparatus for higher rank CSI reporting in advanced wireless communication systems |
CN114696880A (zh) | 2017-08-11 | 2022-07-01 | 瑞典爱立信有限公司 | 增强的基于波束的码本子集限制信令 |
US11349550B2 (en) * | 2020-08-21 | 2022-05-31 | Huawei Technologies Co., Ltd. | Systems and methods for angular direction indication in wireless communication |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040162115A1 (en) * | 2003-02-14 | 2004-08-19 | Martin Smith | Wireless antennas, networks, methods, software, and services |
KR101221136B1 (ko) | 2006-01-04 | 2013-01-18 | 텔레폰악티에볼라겟엘엠에릭슨(펍) | 어레이 안테나 장치 |
GB0602530D0 (en) * | 2006-02-09 | 2006-03-22 | Quintel Technology Ltd | Phased array antenna system with multiple beams |
CN102273091A (zh) | 2008-11-03 | 2011-12-07 | 爱立信电话股份有限公司 | 发射参考信号并确定多天线发射的预编码矩阵的方法 |
KR101607988B1 (ko) * | 2009-04-23 | 2016-04-12 | 삼성전자주식회사 | 무선통신시스템에서 간섭 완화를 위한 장치 및 방법 |
US8891647B2 (en) * | 2009-10-30 | 2014-11-18 | Futurewei Technologies, Inc. | System and method for user specific antenna down tilt in wireless cellular networks |
EP2556597B1 (en) | 2010-04-07 | 2017-06-07 | Telefonaktiebolaget LM Ericsson (publ) | A precoder structure for mimo precoding |
US8494033B2 (en) * | 2010-06-15 | 2013-07-23 | Telefonaktiebolaget L M Ericsson (Publ) | Methods providing precoder feedback using multiple precoder indices and related communications devices and systems |
WO2011162422A1 (en) * | 2010-06-21 | 2011-12-29 | Pantech Co., Ltd. | Transmitter and receiver, method thereof in wireless communication system |
WO2012057462A1 (en) * | 2010-10-25 | 2012-05-03 | Lg Electronics Inc. | Method of reducing intercell interference in wireless communication system and apparatus thereof |
EP2482582B1 (en) * | 2011-01-26 | 2013-01-16 | Alcatel Lucent | Base station, method of operating a base station, terminal and method of operating a terminal |
US8675762B2 (en) * | 2011-05-02 | 2014-03-18 | Alcatel Lucent | Method of transforming pre-coded signals for multiple-in-multiple-out wireless communication |
EP2555445A1 (en) * | 2011-08-03 | 2013-02-06 | Alcatel Lucent | Method of operating a transmitter and transmitter |
-
2012
- 2012-03-02 IN IN6837DEN2014 patent/IN2014DN06837A/en unknown
- 2012-03-02 WO PCT/SE2012/050239 patent/WO2013129984A1/en active Application Filing
- 2012-03-02 EP EP12715459.9A patent/EP2820772B1/en active Active
- 2012-03-02 US US13/520,639 patent/US9031148B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2820772B1 (en) | 2019-11-20 |
EP2820772A1 (en) | 2015-01-07 |
US20130229980A1 (en) | 2013-09-05 |
US9031148B2 (en) | 2015-05-12 |
WO2013129984A1 (en) | 2013-09-06 |
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