BR112018075353A2 - método e aparelho para uso com um sistema de antena distribuída de rádio - Google Patents

método e aparelho para uso com um sistema de antena distribuída de rádio

Info

Publication number
BR112018075353A2
BR112018075353A2 BR112018075353A BR112018075353A BR112018075353A2 BR 112018075353 A2 BR112018075353 A2 BR 112018075353A2 BR 112018075353 A BR112018075353 A BR 112018075353A BR 112018075353 A BR112018075353 A BR 112018075353A BR 112018075353 A2 BR112018075353 A2 BR 112018075353A2
Authority
BR
Brazil
Prior art keywords
modulated signal
antenna system
distributed antenna
signal
communication device
Prior art date
Application number
BR112018075353A
Other languages
English (en)
Portuguese (pt)
Inventor
J Barnickel Donald
Barzegar Farhad
Gerszberg Irwin
Shala Henry Paul
Bennett Robert
M Willis Thomas Iii
Original Assignee
At & T Ip I Lp
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
Priority claimed from US15/179,396 external-priority patent/US9705571B2/en
Application filed by At & T Ip I Lp filed Critical At & T Ip I Lp
Publication of BR112018075353A2 publication Critical patent/BR112018075353A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15507—Relay station based processing for cell extension or control of coverage area
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2603—Arrangements for wireless physical layer control
    • H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2603—Arrangements for wireless physical layer control
    • H04B7/2609—Arrangements for range control, e.g. by using remote antennas
    • 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
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • 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
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/085—Access point devices with remote components

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Near-Field Transmission Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Transmitters (AREA)
BR112018075353A 2016-06-10 2017-06-07 método e aparelho para uso com um sistema de antena distribuída de rádio BR112018075353A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/179,396 US9705571B2 (en) 2015-09-16 2016-06-10 Method and apparatus for use with a radio distributed antenna system
PCT/US2017/036271 WO2017214225A1 (fr) 2016-06-10 2017-06-07 Procédé et appareil devant être utilisés avec un système d'antennes radio distribué

Publications (1)

Publication Number Publication Date
BR112018075353A2 true BR112018075353A2 (pt) 2019-03-19

Family

ID=59078210

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018075353A BR112018075353A2 (pt) 2016-06-10 2017-06-07 método e aparelho para uso com um sistema de antena distribuída de rádio

Country Status (9)

Country Link
EP (1) EP3469735A1 (fr)
JP (1) JP2019526951A (fr)
KR (1) KR20190016555A (fr)
CN (1) CN109314565A (fr)
AU (1) AU2017277414A1 (fr)
BR (1) BR112018075353A2 (fr)
CA (1) CA3025396A1 (fr)
MX (1) MX2018015292A (fr)
WO (1) WO2017214225A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020171895A1 (fr) * 2019-02-20 2020-08-27 Commscope Technologies Llc Systèmes d'antennes distribuées sur des infrastructures de réseau à usage général

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5890055A (en) * 1995-07-28 1999-03-30 Lucent Technologies Inc. Method and system for connecting cells and microcells in a wireless communications network
WO2002052717A2 (fr) * 2000-12-22 2002-07-04 Paradigm Wireless Communications Llc Commande de boucle d'amplificateur a correction aval faisant intervenir le traitement de signal a frequence intermediaire
JP3910167B2 (ja) * 2003-09-25 2007-04-25 松下電器産業株式会社 増幅回路
CN1985528B (zh) * 2004-06-03 2010-06-09 高通股份有限公司 具有低成本高性能本振架构的变频中继器
WO2007080745A1 (fr) * 2006-01-10 2007-07-19 Matsushita Electric Industrial Co., Ltd. Procede de modulation multi-porteuse, dispositif de transmission et dispositif de reception utilisant le procede
JP2008283288A (ja) * 2007-05-08 2008-11-20 Toshiba Corp 無線送信装置及び方法
CN101534147B (zh) * 2009-04-29 2013-01-09 重庆四联微电子有限公司 变频中继装置及基于变频中继装置的多终端设备接入系统
US9525524B2 (en) * 2013-05-31 2016-12-20 At&T Intellectual Property I, L.P. Remote distributed antenna system
US9680670B2 (en) * 2014-11-20 2017-06-13 At&T Intellectual Property I, L.P. Transmission device with channel equalization and control and methods for use therewith

Also Published As

Publication number Publication date
JP2019526951A (ja) 2019-09-19
CN109314565A (zh) 2019-02-05
KR20190016555A (ko) 2019-02-18
CA3025396A1 (fr) 2017-12-14
AU2017277414A1 (en) 2019-01-17
MX2018015292A (es) 2019-04-09
EP3469735A1 (fr) 2019-04-17
WO2017214225A1 (fr) 2017-12-14

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]