IN2014KN01729A - - Google Patents
Info
- Publication number
- IN2014KN01729A IN2014KN01729A IN1729KON2014A IN2014KN01729A IN 2014KN01729 A IN2014KN01729 A IN 2014KN01729A IN 1729KON2014 A IN1729KON2014 A IN 1729KON2014A IN 2014KN01729 A IN2014KN01729 A IN 2014KN01729A
- Authority
- IN
- India
- Prior art keywords
- downlink communications
- base station
- antenna arrays
- sector antenna
- mimo
- 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
- H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
-
- 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
- H04B7/0491—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more sectors, i.e. sector diversity
- H04B7/0495—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more sectors, i.e. sector diversity using overlapping sectors in the same base station to implement MIMO for 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
- H04B7/022—Site diversity; Macro-diversity
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [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
- H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
-
- 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
- H04B7/08—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
- H04B7/0848—Joint weighting
- H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261591307P | 2012-01-27 | 2012-01-27 | |
PCT/SE2013/050022 WO2013112097A1 (en) | 2012-01-27 | 2013-01-15 | Methods for selecting precoding vectors for multi-point mimo (multiple-input-multiple-output) communications and related wireless terminals and radio network nodes |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2014KN01729A true IN2014KN01729A (ru) | 2015-10-23 |
Family
ID=47678968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN1729KON2014 IN2014KN01729A (ru) | 2012-01-27 | 2013-01-15 |
Country Status (4)
Country | Link |
---|---|
US (3) | US9065494B2 (ru) |
EP (1) | EP2807760A1 (ru) |
IN (1) | IN2014KN01729A (ru) |
WO (1) | WO2013112097A1 (ru) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015058210A1 (en) * | 2013-10-20 | 2015-04-23 | Arbinder Singh Pabla | Wireless system with configurable radio and antenna resources |
EP2905934B1 (en) * | 2014-02-07 | 2018-05-30 | Vodafone GmbH | Mobile telecommunication system using soft-information dequantizer |
CN105308894B (zh) * | 2014-02-20 | 2018-11-20 | 华为技术有限公司 | 一种数据传输方法,及发射装置 |
US10320454B2 (en) | 2014-03-14 | 2019-06-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Technique for precoder determination |
EP3132554B1 (en) * | 2014-05-08 | 2018-02-21 | Huawei Technologies Co., Ltd. | Network device for joint decoding and method thereof |
US10141993B2 (en) | 2016-06-16 | 2018-11-27 | Intel Corporation | Modular antenna array beam forming |
US10440693B2 (en) | 2016-11-04 | 2019-10-08 | At&T Intellectual Property I, L.P. | Asynchronous multi-point transmission schemes |
CN111213429A (zh) | 2017-06-05 | 2020-05-29 | 珠峰网络公司 | 用于多无线电通信的天线系统 |
US10879627B1 (en) | 2018-04-25 | 2020-12-29 | Everest Networks, Inc. | Power recycling and output decoupling selectable RF signal divider and combiner |
US11050470B1 (en) | 2018-04-25 | 2021-06-29 | Everest Networks, Inc. | Radio using spatial streams expansion with directional antennas |
US11005194B1 (en) | 2018-04-25 | 2021-05-11 | Everest Networks, Inc. | Radio services providing with multi-radio wireless network devices with multi-segment multi-port antenna system |
US11089595B1 (en) | 2018-04-26 | 2021-08-10 | Everest Networks, Inc. | Interface matrix arrangement for multi-beam, multi-port antenna |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8073068B2 (en) * | 2005-08-22 | 2011-12-06 | Qualcomm Incorporated | Selective virtual antenna transmission |
CN104270185B (zh) | 2008-04-29 | 2018-03-23 | 苹果公司 | 多天线波束形成蜂窝网络的改进的性能 |
EP2194740A1 (en) | 2008-12-03 | 2010-06-09 | Nokia Siemens Network Oy | Method and device for data processing in a mobile communication network |
KR101664421B1 (ko) | 2009-08-19 | 2016-10-10 | 엘지전자 주식회사 | 무선 통신 시스템에서의 코드북을 생성하는 장치 및 방법 |
US8634779B2 (en) * | 2009-10-05 | 2014-01-21 | Koninklijke Philips N.V. | Method for signalling a precoding in a cooperative beamforming transmission mode |
TWI562554B (en) * | 2009-12-30 | 2016-12-11 | Sony Corp | Communications system and device using beamforming |
CN102244566B (zh) * | 2010-05-11 | 2014-03-12 | 中兴通讯股份有限公司 | 用于多输入多输出系统的下行传输方法和基站 |
JP5596498B2 (ja) * | 2010-11-02 | 2014-09-24 | シャープ株式会社 | 基地局装置、移動局装置及びそれらを用いた無線通信システム |
CN103314545A (zh) | 2011-01-14 | 2013-09-18 | 瑞典爱立信有限公司 | 信令精简的用于mimo的捆绑码字至层的映射 |
US20130157710A1 (en) | 2011-12-16 | 2013-06-20 | Telefonaktiebolaget LM Ericsson(pUb) | Methods Providing Multipoint Communications Based on Sector Loads And Related Network Nodes |
-
2013
- 2013-01-15 IN IN1729KON2014 patent/IN2014KN01729A/en unknown
- 2013-01-15 EP EP13703159.7A patent/EP2807760A1/en not_active Withdrawn
- 2013-01-15 WO PCT/SE2013/050022 patent/WO2013112097A1/en active Application Filing
- 2013-01-15 US US13/818,161 patent/US9065494B2/en active Active
-
2015
- 2015-05-20 US US14/717,719 patent/US9300369B2/en active Active
-
2016
- 2016-02-23 US US15/051,273 patent/US9692493B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US9065494B2 (en) | 2015-06-23 |
WO2013112097A1 (en) | 2013-08-01 |
EP2807760A1 (en) | 2014-12-03 |
US20160173173A1 (en) | 2016-06-16 |
US20140161203A1 (en) | 2014-06-12 |
US9692493B2 (en) | 2017-06-27 |
US9300369B2 (en) | 2016-03-29 |
US20150256235A1 (en) | 2015-09-10 |
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