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
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.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of IN2014KN01764A publication Critical patent/IN2014KN01764A/en

Links

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 (enrdf_load_stackoverflow)

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 (enrdf_load_stackoverflow) 2015-10-23

Family

ID=47846114

Family Applications (1)

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

Country Status (5)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6093378B2 (ja) * 2012-01-30 2017-03-08 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において共通パイロット信号及び復調パイロット信号を使用する方法、装置及びシステム
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
WO2013169201A2 (en) * 2012-05-11 2013-11-14 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for transmitting demodulation pilots in a multi antenna wireless communication system
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
US9674002B2 (en) 2012-10-09 2017-06-06 Telefonaktiebolaget Lm 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
WO2014178615A1 (ko) * 2013-04-29 2014-11-06 엘지전자 주식회사 무선 통신 시스템에서 채널상태정보 전송 방법 및 장치
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
WO2021021007A1 (en) * 2019-07-29 2021-02-04 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for phase-aided adaptive modulation

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6574267B1 (en) * 1999-03-22 2003-06-03 Golden Bridge Technology, Inc. Rach ramp-up acknowledgement
JP2009510820A (ja) * 2005-09-27 2009-03-12 ノキア コーポレイション マルチキャリア伝送のためのパイロット構造
EP1998484B1 (en) * 2006-03-20 2019-01-02 Fujitsu Limited Base station and its mimo-ofdm communication method
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
KR101520667B1 (ko) * 2007-09-10 2015-05-18 엘지전자 주식회사 다중 안테나 시스템에서의 파일럿 부반송파 할당 방법
US20090310707A1 (en) * 2008-06-17 2009-12-17 Jung-Fu Cheng 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
RU2011140068A (ru) * 2009-03-16 2013-04-27 Рокстар Бидко Лп Способ передачи сигналов, система беспроводной связи, базовая станция и беспроводной терминал
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
CN102742191A (zh) * 2009-11-08 2012-10-17 Lg电子株式会社 用于控制下行链路传输功率的方法和基站、以及用于接收pdsch的方法和用户设备
KR101671287B1 (ko) * 2010-08-13 2016-11-01 삼성전자 주식회사 무선 통신 시스템에서 기준 신호 송수신 방법 및 장치
BR112013007790A2 (pt) * 2010-10-01 2017-10-10 Interdigital Patent Holdings Inc método e dispositivo para transmissão de piloto em múltiplas antenas
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
JP6093378B2 (ja) * 2012-01-30 2017-03-08 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において共通パイロット信号及び復調パイロット信号を使用する方法、装置及びシステム

Also Published As

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

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