IN2014KN01764A - - Google Patents
Info
- Publication number
- IN2014KN01764A IN2014KN01764A IN1764KON2014A IN2014KN01764A IN 2014KN01764 A IN2014KN01764 A IN 2014KN01764A IN 1764KON2014 A IN1764KON2014 A IN 1764KON2014A IN 2014KN01764 A IN2014KN01764 A IN 2014KN01764A
- Authority
- IN
- India
- Prior art keywords
- node
- transmitting
- pilot signal
- receiving
- transmitting node
- 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
- H04B7/06—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- 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
- H04B7/0413—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
- H04B7/0413—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
- H04B7/0617—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
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
-
- 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
- H04B7/0684—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 using different training sequences per antenna
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0204—Channel estimation of multiple channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261592151P | 2012-01-30 | 2012-01-30 | |
PCT/SE2013/050054 WO2013115708A2 (en) | 2012-01-30 | 2013-01-24 | Method, apparatus, and system for using common and demodulation pilot signals in multi-antenna wireless communications |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2014KN01764A true IN2014KN01764A (xx) | 2015-10-23 |
Family
ID=47846114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN1764KON2014 IN2014KN01764A (xx) | 2012-01-30 | 2013-01-24 |
Country Status (5)
Country | Link |
---|---|
US (3) | US8891646B2 (xx) |
EP (1) | EP2742641B1 (xx) |
JP (1) | JP6093378B2 (xx) |
IN (1) | IN2014KN01764A (xx) |
WO (1) | WO2013115708A2 (xx) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013115708A2 (en) * | 2012-01-30 | 2013-08-08 | Telefonaktiebolaget L M Ericsson (Publ) | Method, apparatus, and system for using common and demodulation pilot signals in multi-antenna wireless communications |
CN102655486B (zh) * | 2012-05-10 | 2014-12-31 | 华为技术有限公司 | 一种导频信号发射方法、信道估计方法、装置及系统 |
JP6267688B2 (ja) * | 2012-05-11 | 2018-01-24 | 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) | マルチアンテナ無線通信システムにおける復調パイロットを送信する方法及び装置 |
US8885590B2 (en) * | 2012-05-18 | 2014-11-11 | Futurewei Technologies, Inc. | Systems and methods for scheduling multiple-input and multiple-output (MIMO) high-speed downlink packet access (HSDPA) pilot channels |
WO2014058375A2 (en) * | 2012-10-09 | 2014-04-17 | Telefonaktiebolaget L M Ericsson (Publ) | Channel estimation in a multi-antenna wireless communications system |
WO2014088271A1 (ko) * | 2012-12-09 | 2014-06-12 | 엘지전자 주식회사 | 다중 셀 협력 통신 시스템에서 신호 송수신하는 방법 및 이를 위한 장치 |
US9166663B2 (en) * | 2012-12-14 | 2015-10-20 | Futurewei Technologies, Inc. | System and method for open-loop MIMO communications in a SCMA communications system |
US9509383B2 (en) * | 2013-04-29 | 2016-11-29 | Lg Electronics Inc. | Method and apparatus for transmitting channel state information in wireless communication system |
CN104601281A (zh) * | 2014-12-31 | 2015-05-06 | 北京智谷睿拓技术服务有限公司 | 传输控制方法及传输控制装置 |
EP3285407B1 (en) * | 2016-08-16 | 2019-05-15 | Sony Mobile Communications, Inc | Base station and operating method thereof |
US10772024B2 (en) | 2018-01-12 | 2020-09-08 | At&T Intellectual Property I, L.P. | Adaptive multiple antenna transmission scheme for uplink data transmission in wireless communication systems |
US11109432B2 (en) * | 2019-02-15 | 2021-08-31 | At&T Intellectual Property I, L.P. | Location based coreset configuration for transmitting the physical downlink control channel in 5G wireless communication systems |
US20220263687A1 (en) * | 2019-07-29 | 2022-08-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for phase-aided adaptive modulation |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6574267B1 (en) * | 1999-03-22 | 2003-06-03 | Golden Bridge Technology, Inc. | Rach ramp-up acknowledgement |
EP1929735B1 (en) * | 2005-09-27 | 2019-01-16 | Nokia Technologies Oy | Pilot structure for multicarrier transmissions |
EP2642675B1 (en) * | 2006-03-20 | 2018-03-14 | Fujitsu Limited | Base station, mobile station, and MIMO-OFDM communication method thereof |
CN101536353B (zh) * | 2006-11-13 | 2014-03-05 | 艾利森电话股份有限公司 | 用于mimo系统中基于导频模式控制信令的方法和装置 |
US8913695B2 (en) * | 2007-03-12 | 2014-12-16 | Qualcomm Incorporated | Hybrid pilot configuration |
US8369450B2 (en) * | 2007-08-07 | 2013-02-05 | Samsung Electronics Co., Ltd. | Pilot boosting and traffic to pilot ratio estimation in a wireless communication system |
KR101520667B1 (ko) * | 2007-09-10 | 2015-05-18 | 엘지전자 주식회사 | 다중 안테나 시스템에서의 파일럿 부반송파 할당 방법 |
US8149929B2 (en) * | 2008-06-17 | 2012-04-03 | Telefonaktiebolaget L M Ericsson (Publ) | Receiver and method for processing radio signals using soft pilot symbols |
KR20100088518A (ko) * | 2009-01-30 | 2010-08-09 | 엘지전자 주식회사 | 하향링크 mimo 시스템에 있어서, 참조 신호 전송 방법 |
CN102484501B (zh) * | 2009-03-16 | 2015-07-29 | 黑莓有限公司 | 使用公共导频和专用导频进行传输 |
JP2011004212A (ja) * | 2009-06-19 | 2011-01-06 | Sharp Corp | 送信装置、受信装置、通信システムおよび通信方法 |
US8948109B2 (en) * | 2009-11-08 | 2015-02-03 | Lg Electronics Inc. | Method and a base station for controlling downlink transmission power, and a method and a user equipment for receiving a PDSCH |
KR101671287B1 (ko) * | 2010-08-13 | 2016-11-01 | 삼성전자 주식회사 | 무선 통신 시스템에서 기준 신호 송수신 방법 및 장치 |
US9246646B2 (en) * | 2010-10-01 | 2016-01-26 | Interdigital Patent Holdings, Inc. | Method and apparatus for transmitting pilot on multiple antennas |
US8737247B1 (en) * | 2010-10-08 | 2014-05-27 | Marvell International Ltd. | Data channel noise estimation using pilot channel |
US8599711B2 (en) * | 2011-04-08 | 2013-12-03 | Nokia Siemens Networks Oy | Reference signal port discovery involving transmission points |
US9219994B2 (en) * | 2011-11-09 | 2015-12-22 | Lg Electronics Inc. | Methods for transmitting and receiving downlink data in MBSFN subframe and apparatuses thereof |
WO2013115708A2 (en) * | 2012-01-30 | 2013-08-08 | Telefonaktiebolaget L M Ericsson (Publ) | Method, apparatus, and system for using common and demodulation pilot signals in multi-antenna wireless communications |
-
2013
- 2013-01-24 WO PCT/SE2013/050054 patent/WO2013115708A2/en active Application Filing
- 2013-01-24 JP JP2014554694A patent/JP6093378B2/ja not_active Expired - Fee Related
- 2013-01-24 IN IN1764KON2014 patent/IN2014KN01764A/en unknown
- 2013-01-24 EP EP13708929.8A patent/EP2742641B1/en not_active Not-in-force
- 2013-01-24 US US13/818,640 patent/US8891646B2/en active Active
-
2014
- 2014-09-15 US US14/486,269 patent/US9077417B2/en active Active
-
2015
- 2015-06-03 US US14/729,135 patent/US9374210B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2013115708A3 (en) | 2013-12-19 |
US20140079147A1 (en) | 2014-03-20 |
US9374210B2 (en) | 2016-06-21 |
US20150003571A1 (en) | 2015-01-01 |
US9077417B2 (en) | 2015-07-07 |
US20150270937A1 (en) | 2015-09-24 |
WO2013115708A2 (en) | 2013-08-08 |
US8891646B2 (en) | 2014-11-18 |
JP2015513341A (ja) | 2015-05-07 |
EP2742641B1 (en) | 2016-01-20 |
JP6093378B2 (ja) | 2017-03-08 |
EP2742641A2 (en) | 2014-06-18 |
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