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 |
KR20150003231A (ko) * | 2012-03-30 | 2015-01-08 | 노키아 솔루션스 앤드 네트웍스 오와이 | 사용자당 앙각 mimo를 위한 피드백 방법론 |
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 |
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 |
US10033448B2 (en) * | 2013-04-08 | 2018-07-24 | 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 |
MX357607B (es) | 2014-05-08 | 2018-07-17 | Ericsson Telefon Ab L M | Formacion de haz utilizando una disposicion de antenas. |
EP3140922B1 (en) * | 2014-05-08 | 2019-03-27 | Telefonaktiebolaget LM Ericsson (publ) | Beam forming using a dual polarized antenna arrangement |
US20160072562A1 (en) * | 2014-09-10 | 2016-03-10 | Samsung Electronics Co., Ltd. | Channel state information reporting with basis expansion for advanced wireless communications systems |
HUE047135T2 (hu) * | 2015-01-14 | 2020-04-28 | Ericsson Telefon Ab L M | Kódkönyv részhalmaz korlátozási jelzése |
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 |
EP3311505B1 (en) | 2015-06-18 | 2020-03-18 | Telefonaktiebolaget LM Ericsson (publ) | Systems and methods for adapting a codebook for use with multiple antenna configurations |
RU2018111792A (ru) | 2015-09-04 | 2019-10-04 | Телефонактиеболагет Лм Эрикссон (Пабл) | Предварительное кодирование передачи из антенной решетки, которая включает в себя сополяризованные антенные элементы, выровненные в заданном пространственном измерении |
WO2016024912A2 (en) | 2015-11-04 | 2016-02-18 | Telefonaktiebolaget L M Ericsson (Publ) | Precoding a transmission from a two-dimensional antenna array using a partially reshaped codebook |
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 |
CA3070932C (en) | 2017-08-11 | 2023-04-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Enhanced beam-based codebook subset restriction signaling |
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 |
JP2009522885A (ja) | 2006-01-04 | 2009-06-11 | 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) | アレイアンテナ装置 |
GB0602530D0 (en) * | 2006-02-09 | 2006-03-22 | Quintel Technology Ltd | Phased array antenna system with multiple beams |
US8737507B2 (en) * | 2008-11-03 | 2014-05-27 | Telefonaktiebolaget L M Ericsson (Publ) | Method for transmitting of reference signals and determination of precoding matrices for multi-antenna transmission |
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 |
CN102823153B (zh) | 2010-04-07 | 2016-09-28 | 瑞典爱立信有限公司 | 用于mimo预编码的预编码器结构 |
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 WO PCT/SE2012/050239 patent/WO2013129984A1/en active Application Filing
- 2012-03-02 IN IN6837DEN2014 patent/IN2014DN06837A/en unknown
- 2012-03-02 US US13/520,639 patent/US9031148B2/en not_active Expired - Fee Related
- 2012-03-02 EP EP12715459.9A patent/EP2820772B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
US9031148B2 (en) | 2015-05-12 |
EP2820772B1 (en) | 2019-11-20 |
EP2820772A1 (en) | 2015-01-07 |
WO2013129984A1 (en) | 2013-09-06 |
US20130229980A1 (en) | 2013-09-05 |
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