IN2014KN01764A - - Google Patents

Info

Publication number: IN2014KN01764A
Authority: IN; India
Prior art keywords: node; transmitting; pilot signal; receiving; transmitting node
Prior art date: 2012-01-30

Application number

Other languages

English (en)

Inventor

Sairamesh Nammi

Thomas Chapman

Bo Göransson

Original Assignee

Ericsson Telefon Ab L M

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2012-01-30

Filing date

2013-01-24

Publication date

2015-10-23

2013-01-24 Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M

2015-10-23 Publication of IN2014KN01764A publication Critical patent/IN2014KN01764A/en

Classifications

- 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
- H04B7/06—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
- 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)

IN1764KON2014 2012-01-30 2013-01-24 IN2014KN01764A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US201261592151P	2012-01-30	2012-01-30
PCT/SE2013/050054 WO2013115708A2 (fr)	2012-01-30	2013-01-24	Procédé, appareil et système pour l'utilisation d'ondes pilotes communes et de démodulation dans des communications sans fil à antennes multiples

Publications (1)

Publication Number	Publication Date
IN2014KN01764A true IN2014KN01764A (fr)	2015-10-23

Family

ID=47846114

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IN1764KON2014 IN2014KN01764A (fr)	2012-01-30	2013-01-24

Country Status (5)

Country	Link
US (3)	US8891646B2 (fr)
EP (1)	EP2742641B1 (fr)
JP (1)	JP6093378B2 (fr)
IN (1)	IN2014KN01764A (fr)
WO (1)	WO2013115708A2 (fr)

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EP2742641B1 (fr) *	2012-01-30	2016-01-20	Telefonaktiebolaget L M Ericsson (publ)	Procédé, appareil et programme informatique pour la transmission de signaux pilotes communs et de démodulation dans des communications sans fil à antennes multiples
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
EP2742609A2 (fr) *	2012-05-11	2014-06-18	Telefonaktiebolaget LM Ericsson (Publ)	Procédé et appareil de transmission de pilotes de démodulation dans un système de communication sans fil multi-antenne
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 (fr) *	2012-10-09	2014-04-17	Telefonaktiebolaget L M Ericsson (Publ)	Estimation de canal dans un système de communication sans fil multi-antenne
WO2014088271A1 (fr) *	2012-12-09	2014-06-12	엘지전자 주식회사	Procédé et dispositif pour émettre et recevoir un signal dans un système de communication coopératif multi-cellulaire
US9166663B2 (en) *	2012-12-14	2015-10-20	Futurewei Technologies, Inc.	System and method for open-loop MIMO communications in a SCMA communications system
WO2014178615A1 (fr) *	2013-04-29	2014-11-06	엘지전자 주식회사	Procédé et appareil destinés à la transmission d'informations d'état de canal dans un système de communication sans fil
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 (fr)	2016-08-16	2019-05-15	Sony Mobile Communications, Inc	Station de base et son procédé de fonctionnement
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
EP4005169A4 (fr) *	2019-07-29	2022-08-03	Telefonaktiebolaget LM Ericsson (publ)	Procédé et appareil de modulation adaptative assistée par phase

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US6574267B1 (en) *	1999-03-22	2003-06-03	Golden Bridge Technology, Inc.	Rach ramp-up acknowledgement
KR101026156B1 (ko) *	2005-09-27	2011-04-05	노키아 코포레이션	멀티 캐리어 전송을 위한 파일럿 구조
CN101336523A (zh) *	2006-03-20	2008-12-31	富士通株式会社	基站及其mimo-ofdm通信方法
JP2010509837A (ja) *	2006-11-13	2010-03-25	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）	Ｍｉｍｏシステムにおけるパイロットパターンに基づいた制御シグナリングのための方法と装置
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
KR101542378B1 (ko) *	2007-09-10	2015-08-07	엘지전자 주식회사	다중 안테나 시스템에서의 파일럿 부반송파 할당 방법
US8750407B2 (en) *	2008-06-17	2014-06-10	Telefonaktiebolaget L M Ericsson (Publ)	Transmitter and method for transmitting soft pilot symbols in a digital communication system
KR20100088518A (ko) *	2009-01-30	2010-08-09	엘지전자 주식회사	하향링크 ｍｉｍｏ 시스템에 있어서, 참조 신호 전송 방법
BRPI1012727B1 (pt) *	2009-03-16	2020-12-29	Blackberry Limited	método de transmissão a partir de um transmissor em um enlace de comunicação e estação base
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
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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
EP2742641B1 (fr) *	2012-01-30	2016-01-20	Telefonaktiebolaget L M Ericsson (publ)	Procédé, appareil et programme informatique pour la transmission de signaux pilotes communs et de démodulation dans des communications sans fil à antennes multiples

2013
- 2013-01-24 EP EP13708929.8A patent/EP2742641B1/fr not_active Not-in-force
- 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 WO PCT/SE2013/050054 patent/WO2013115708A2/fr not_active Ceased
- 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 not_active Expired - Fee Related

Also Published As

Publication number	Publication date
US9077417B2 (en)	2015-07-07
US8891646B2 (en)	2014-11-18
JP2015513341A (ja)	2015-05-07
US20150003571A1 (en)	2015-01-01
US20150270937A1 (en)	2015-09-24
JP6093378B2 (ja)	2017-03-08
US20140079147A1 (en)	2014-03-20
US9374210B2 (en)	2016-06-21
EP2742641B1 (fr)	2016-01-20
EP2742641A2 (fr)	2014-06-18
WO2013115708A3 (fr)	2013-12-19
WO2013115708A2 (fr)	2013-08-08

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