IN2015MN00475A - - Google Patents

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Publication number
IN2015MN00475A
IN2015MN00475A IN475MUN2015A IN2015MN00475A IN 2015MN00475 A IN2015MN00475 A IN 2015MN00475A IN 475MUN2015 A IN475MUN2015 A IN 475MUN2015A IN 2015MN00475 A IN2015MN00475 A IN 2015MN00475A
Authority
IN
India
Prior art keywords
cir
mode
impulse response
csd
channel impulse
Prior art date
Application number
Other languages
English (en)
Inventor
Abdelmonaem Lakhzouri
Florean Curticapean
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of IN2015MN00475A publication Critical patent/IN2015MN00475A/en

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
    • H04B7/0667—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 delayed versions of same signal
    • H04B7/0671—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 delayed versions of same signal using different delays between antennas
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0273—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves using multipath or indirect path propagation signals in position determination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
IN475MUN2015 2012-09-21 2012-09-24 IN2015MN00475A (enExample)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/624,646 US8971428B2 (en) 2012-09-21 2012-09-21 Cyclic shift delay detection using a channel impulse response
PCT/US2012/056930 WO2014046688A1 (en) 2012-09-21 2012-09-24 Cyclic shift delay detection using a channel impulse response

Publications (1)

Publication Number Publication Date
IN2015MN00475A true IN2015MN00475A (enExample) 2015-09-11

Family

ID=47116318

Family Applications (1)

Application Number Title Priority Date Filing Date
IN475MUN2015 IN2015MN00475A (enExample) 2012-09-21 2012-09-24

Country Status (6)

Country Link
US (1) US8971428B2 (enExample)
EP (1) EP2898338B1 (enExample)
JP (1) JP5981040B2 (enExample)
CN (1) CN104641250B (enExample)
IN (1) IN2015MN00475A (enExample)
WO (1) WO2014046688A1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9726748B2 (en) 2012-09-21 2017-08-08 Qualcomm Incorporated Cyclic shift delay detection using signaling
US8971429B2 (en) 2012-09-21 2015-03-03 Qualcomm Incorporated Cyclic shift delay detection using autocorrelations
US9497641B2 (en) 2012-09-21 2016-11-15 Qualcomm Incorporated Cyclic shift delay detection using a classifier
US9253594B2 (en) 2013-03-06 2016-02-02 Qualcomm Incorporated Dynamic characterization of mobile devices in network-based wireless positioning systems
US9918195B2 (en) * 2015-11-09 2018-03-13 Qualcomm Incorporated Signaling usage of cyclic shift diversity in transmitting wireless devices
KR101706629B1 (ko) * 2016-01-25 2017-02-16 주식회사 이노와이어리스 Ｍｉｍｏ-ｏｆｄｍ 송신기에 대한 파워 캘리브레이션 방법
US10790930B2 (en) * 2017-08-16 2020-09-29 Qualcomm Incorporated Techniques for distortion correction at a receiver device
KR101919896B1 (ko) * 2018-05-03 2018-11-19 주식회사 유디피아 단일 형광 채널 유전자증폭기기를 이용한 다중 핵산 검출 방법
CN111817764B (zh) 2019-04-11 2024-01-09 华为技术有限公司 一种筛选循环位移延迟序列的方法以及相关装置
US20230105265A1 (en) * 2020-02-13 2023-04-06 Telefonaktiebolaget Lm Ericsson (Publ) Rtt measurement procedure based on dl and ul reference signal relations

Family Cites Families (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1566906A4 (en) 2002-11-28 2007-07-25 Fujitsu Ltd DELAY DETECTION DEVICE AND CORRELATOR
KR100528332B1 (ko) * 2003-03-15 2006-01-09 삼성전자주식회사 Ｏｆｄｍ 시스템에서의 초기 주파수 동기 방법 및 장치
US7809020B2 (en) 2003-10-31 2010-10-05 Cisco Technology, Inc. Start of packet detection for multiple receiver combining and multiple input multiple output radio receivers
WO2005055543A1 (en) 2003-12-03 2005-06-16 Australian Telecommunications Cooperative Research Centre Channel estimation for ofdm systems
CN1939026B (zh) * 2004-01-28 2012-07-04 高通股份有限公司 Ofdm接收机中的定时估计
DE602004016219D1 (de) * 2004-02-19 2008-10-09 Ntt Docomo Inc Kanalschätzer und verfahren zur schätzung einer kanalübertragungsfunktion sowie vorrichtung und verfahren zur erzeugung von pilotsequenzen
JP2005341317A (ja) * 2004-05-27 2005-12-08 Toshiba Corp 無線通信装置
US7920884B2 (en) * 2004-06-04 2011-04-05 Qualcomm Incorporated Frame structures for a wireless communication system with multiple radio technologies
EP1782594A1 (en) * 2004-08-20 2007-05-09 NTT DoCoMo, Inc. Apparatus and method for reducing a phase drift
US7813330B2 (en) 2004-12-03 2010-10-12 Samsung Electronics Co., Ltd Gap filler apparatus and method for providing cyclic delay diversity in a digital multimedia broadcasting system, and broadcasting relay network using the same
US20060221810A1 (en) * 2005-03-10 2006-10-05 Bojan Vrcelj Fine timing acquisition
US8981996B2 (en) * 2005-09-27 2015-03-17 Qualcomm Incorporated Position location using transmitters with timing offset and phase adjustment
US8340232B2 (en) * 2005-12-09 2012-12-25 Samsung Electronics Co., Ltd. Apparatus and method for channel estimation using training signals with reduced signal overhead
US20070206686A1 (en) * 2006-01-05 2007-09-06 Vook Frederick W Method and apparatus for performing cyclic-shift diversity with beamforming
US20070270273A1 (en) * 2006-05-18 2007-11-22 Motorola, Inc. Method and apparatus for fast cell search
WO2007142233A1 (ja) 2006-06-05 2007-12-13 Panasonic Corporation マルチキャリア通信における無線通信装置および無線通信方法
WO2008000069A1 (en) 2006-06-26 2008-01-03 Nortel Networks Limited Methods and systems for transmit diversity
US20080132282A1 (en) * 2006-10-31 2008-06-05 Jingxiu Liu Method, system, base station, and user equipment for determining delay value of cyclic delay diversity
CN101174925A (zh) * 2006-10-31 2008-05-07 株式会社Ntt都科摩 确定循环延迟分集延迟值的方法、系统、基站及用户设备
US8681750B2 (en) * 2006-12-29 2014-03-25 Nokia Corporation Apparatus, methods, and computer program products providing limited use of Zadoff-Chu sequences in pilot or preamble signals
JP5106129B2 (ja) * 2007-01-10 2012-12-26 パナソニック株式会社 基地局装置
US8149942B1 (en) 2007-02-07 2012-04-03 Cisco Technology, Inc. Method and system for selecting a transmission scheme in a multiple-input-multiple-output wireless communications system
US20100190486A1 (en) 2007-05-31 2010-07-29 Panasonic Corporation Radio communication mobile station device and cdd mode judging method
WO2008155764A2 (en) * 2007-06-18 2008-12-24 Duolink Ltd. Wireless network architecture and method for base station utilization
EP2169863A1 (en) 2007-06-19 2010-03-31 Panasonic Corporation Radio communication device and symbol arrangement method
US8144683B1 (en) 2007-11-29 2012-03-27 Qualcomm Atheros, Inc. High throughput fine timing
US8611261B2 (en) 2008-06-24 2013-12-17 Nokia Siemens Networks Oy Control channel signaling for multiple ACK/NACK assignments
US9252862B2 (en) 2008-09-17 2016-02-02 Qualcomm Incorporated MIMO preamble for initial access with an unknown number of transmit antennas
US8249201B2 (en) 2008-10-13 2012-08-21 Qualcomm Incorporated Methods and systems for MIMO preamble detection
US20100103810A1 (en) * 2008-10-23 2010-04-29 Motorola, Inc. Modulation coding scheme selection in a wireless communication system
WO2010062051A2 (ko) 2008-11-02 2010-06-03 엘지전자 주식회사 다중 입출력 시스템에서 공간 다중화 프리코딩 방법
WO2010052673A1 (en) 2008-11-06 2010-05-14 Nokia Siemens Networks Oy Wireless device location services
US8982851B2 (en) * 2009-01-06 2015-03-17 Qualcomm Incorporated Hearability improvements for reference signals
US20100182899A1 (en) * 2009-01-17 2010-07-22 Qualcomm Incorporated OFDM Time Basis Matching With Pre-FFT Cyclic Shift
US8290462B2 (en) * 2009-02-04 2012-10-16 Agere Systems Llc Receiver and method for estimating a plurality of estimated transfer functions corresponding to wireless channels in a multiple-input system
KR20140078730A (ko) * 2009-02-05 2014-06-25 애플 인크. 무선 전송 시스템에서 사용자 장치 위치 결정을 위한 방법 및 시스템
KR101273293B1 (ko) 2009-04-27 2013-06-11 후아웨이 테크놀러지 컴퍼니 리미티드 포지셔닝 기준 신호
EP2425595B1 (en) 2009-04-27 2017-07-12 Nokia Solutions and Networks Oy Method of scheduling transmissions in a communication system
WO2010131890A2 (ko) 2009-05-11 2010-11-18 엘지전자 주식회사 다중 안테나 시스템에서 참조 신호 전송 방법 및 장치
US8396157B2 (en) 2009-05-14 2013-03-12 Futurewei Technologies, Inc. Probability based MIMO mode selection and switching system and method for wireless systems
KR20110036485A (ko) 2009-10-01 2011-04-07 엘지전자 주식회사 무선랜 시스템에서의 데이터 전송방법 및 장치
TW201141144A (en) 2009-11-16 2011-11-16 Maxlinear Inc Apparatus and methods for symbol timing error detection, tracking and correction
CN102111205B (zh) * 2009-12-28 2014-07-09 世意法（北京）半导体研发有限责任公司 具有多个发射天线的通信系统的信道估计
US7920599B1 (en) * 2010-02-03 2011-04-05 Anna University Methods and systems for synchronizing wireless transmission of data packets
US8619655B2 (en) 2010-06-09 2013-12-31 Broadcom Corporation Cyclic shift delay (CSD) short training field (STF) for orthogonal frequency division multiplexing (OFDM) signaling within multiple user, multiple access, and/or MIMO wireless communicaitons
US8934560B2 (en) 2010-10-07 2015-01-13 Qualcomm Incorporated Method and apparatus of using CDD like schemes with UE-RS based open loop beamforming
KR102046586B1 (ko) 2011-01-06 2019-11-19 마벨 월드 트레이드 리미티드 Wlan 다중-라디오 디바이스를 위한 사이클릭 시프트 지연 기법
US8824527B2 (en) * 2011-11-15 2014-09-02 Acorn Technologies, Inc. OFDM receiver with time domain channel estimation
US9059750B2 (en) * 2011-11-17 2015-06-16 Cisco Technology, Inc. Full spatial dimension extraction for implicit beamforming
US9726748B2 (en) 2012-09-21 2017-08-08 Qualcomm Incorporated Cyclic shift delay detection using signaling
US9497641B2 (en) 2012-09-21 2016-11-15 Qualcomm Incorporated Cyclic shift delay detection using a classifier
US8971429B2 (en) 2012-09-21 2015-03-03 Qualcomm Incorporated Cyclic shift delay detection using autocorrelations

Also Published As

Publication number Publication date
US20140086284A1 (en) 2014-03-27
EP2898338A1 (en) 2015-07-29
EP2898338B1 (en) 2018-11-21
CN104641250B (zh) 2016-10-12
US8971428B2 (en) 2015-03-03
JP2015534767A (ja) 2015-12-03
CN104641250A (zh) 2015-05-20
JP5981040B2 (ja) 2016-08-31
WO2014046688A1 (en) 2014-03-27

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