EP2636158A4 - A radio base station and a method therein for estimating a doppler spread - Google Patents

A radio base station and a method therein for estimating a doppler spread

Info

Publication number
EP2636158A4
EP2636158A4 EP10859336.9A EP10859336A EP2636158A4 EP 2636158 A4 EP2636158 A4 EP 2636158A4 EP 10859336 A EP10859336 A EP 10859336A EP 2636158 A4 EP2636158 A4 EP 2636158A4
Authority
EP
European Patent Office
Prior art keywords
estimating
base station
radio base
doppler spread
doppler
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP10859336.9A
Other languages
German (de)
French (fr)
Other versions
EP2636158A1 (en
Inventor
Oskar Mauritz
Gunnar Peters
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of EP2636158A1 publication Critical patent/EP2636158A1/en
Publication of EP2636158A4 publication Critical patent/EP2636158A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
    • 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
    • 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
    • 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
    • H04B7/10—Polarisation diversity; Directional diversity
EP10859336.9A 2010-11-04 2010-11-04 A radio base station and a method therein for estimating a doppler spread Withdrawn EP2636158A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2010/051203 WO2012060751A1 (en) 2010-11-04 2010-11-04 A radio base station and a method therein for estimating a doppler spread

Publications (2)

Publication Number Publication Date
EP2636158A1 EP2636158A1 (en) 2013-09-11
EP2636158A4 true EP2636158A4 (en) 2016-02-17

Family

ID=46024691

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10859336.9A Withdrawn EP2636158A4 (en) 2010-11-04 2010-11-04 A radio base station and a method therein for estimating a doppler spread

Country Status (3)

Country Link
EP (1) EP2636158A4 (en)
CN (1) CN103181094B (en)
WO (1) WO2012060751A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9112737B2 (en) * 2013-03-06 2015-08-18 Qualcomm Incorporated Systems and methods for determining a channel variation metric
CN107852211A (en) * 2015-08-07 2018-03-27 华为技术有限公司 Analog beam former
CN106100692A (en) * 2016-08-29 2016-11-09 东南大学 MIMO OFDM underwater sound communication system doppler spread method of estimation
US11038719B2 (en) * 2019-04-30 2021-06-15 Qualcomm Incorporated Channel estimation for systems with PLL phase discontinuities
CN114244655B (en) * 2021-12-16 2023-09-12 哲库科技(北京)有限公司 Signal processing method and related device
WO2024033810A1 (en) * 2022-08-08 2024-02-15 Telefonaktiebolaget Lm Ericsson (Publ) Autocorrelation function characteristics estimation and reporting

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001013537A1 (en) * 1999-08-12 2001-02-22 Ericsson Inc Doppler spread estimation using channel autocorrelation function hypotheses
US20020172307A1 (en) * 2001-03-27 2002-11-21 David Sandberg Method and apparatus for estimating doppler spread

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6563861B1 (en) * 1999-03-22 2003-05-13 Ericsson, Inc. Doppler spread estimation system
US6680969B1 (en) * 1999-03-22 2004-01-20 Ericsson, Inc. Methods for estimating doppler spreads including autocorrelation function hypotheses and related systems and receivers
US6636574B2 (en) * 2001-05-31 2003-10-21 Motorola, Inc. Doppler spread/velocity estimation in mobile wireless communication devices and methods therefor
KR101488028B1 (en) * 2008-07-17 2015-01-30 엘지전자 주식회사 Method for transmitting reference signal in multiple antenna system
US8897385B2 (en) * 2009-10-20 2014-11-25 Maxlinear, Inc. Doppler estimator for OFDM systems

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001013537A1 (en) * 1999-08-12 2001-02-22 Ericsson Inc Doppler spread estimation using channel autocorrelation function hypotheses
US20020172307A1 (en) * 2001-03-27 2002-11-21 David Sandberg Method and apparatus for estimating doppler spread

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012060751A1 *

Also Published As

Publication number Publication date
CN103181094A (en) 2013-06-26
EP2636158A1 (en) 2013-09-11
WO2012060751A1 (en) 2012-05-10
CN103181094B (en) 2016-05-04

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