KR20190016555A - 무선 분산형 안테나 시스템과의 사용을 위한 방법 및 장치 - Google Patents

무선 분산형 안테나 시스템과의 사용을 위한 방법 및 장치 Download PDF

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Publication number
KR20190016555A
KR20190016555A KR1020197000568A KR20197000568A KR20190016555A KR 20190016555 A KR20190016555 A KR 20190016555A KR 1020197000568 A KR1020197000568 A KR 1020197000568A KR 20197000568 A KR20197000568 A KR 20197000568A KR 20190016555 A KR20190016555 A KR 20190016555A
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KR
South Korea
Prior art keywords
modulated signal
signal
carrier frequency
frequency
communication
Prior art date
Application number
KR1020197000568A
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English (en)
Korean (ko)
Inventor
어윈 게르츠베르그
폴 샬라 헨리
로버트 베넷
파헤드 바제가르
도날드 제이. 바니켈
토마스 엠. 3세 윌리스
Original Assignee
에이티 앤드 티 인텔렉추얼 프라퍼티 아이, 엘.피.
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 에이티 앤드 티 인텔렉추얼 프라퍼티 아이, 엘.피. filed Critical 에이티 앤드 티 인텔렉추얼 프라퍼티 아이, 엘.피.
Publication of KR20190016555A publication Critical patent/KR20190016555A/ko

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    • 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)
KR1020197000568A 2016-06-10 2017-06-07 무선 분산형 안테나 시스템과의 사용을 위한 방법 및 장치 KR20190016555A (ko)

Applications Claiming Priority (3)

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
US15/179,396 2016-06-10
PCT/US2017/036271 WO2017214225A1 (en) 2016-06-10 2017-06-07 Method and apparatus for use with a radio distributed antenna system

Publications (1)

Publication Number Publication Date
KR20190016555A true KR20190016555A (ko) 2019-02-18

Family

ID=59078210

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020197000568A KR20190016555A (ko) 2016-06-10 2017-06-07 무선 분산형 안테나 시스템과의 사용을 위한 방법 및 장치

Country Status (9)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020171895A1 (en) * 2019-02-20 2020-08-27 Commscope Technologies Llc Distributed antenna systems over general use network infrastructures

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
CN1483242A (zh) * 2000-12-22 2004-03-17 典范无线系统公司 采用if信号处理的前馈放大器回路控制
JP3910167B2 (ja) * 2003-09-25 2007-04-25 松下電器産業株式会社 増幅回路
KR20070026558A (ko) * 2004-06-03 2007-03-08 위데피, 인코포레이티드 저가의 고성능 국부 발진기 구조를 갖는 주파수 변환반복기
BRPI0620593A2 (pt) * 2006-01-10 2011-11-16 Matsushita Electric Ind Co Ltd método de modulação de multiportadoras e dispositivos de transmissão e de recepção que usam o método
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020171895A1 (en) * 2019-02-20 2020-08-27 Commscope Technologies Llc Distributed antenna systems over general use network infrastructures
US11088728B2 (en) 2019-02-20 2021-08-10 Commscope Technologies Llc Distributed antenna systems over general use network infrastructures
US11824601B2 (en) 2019-02-20 2023-11-21 Commscope Technologies Llc Distributed antenna systems over general use network infrastructures

Also Published As

Publication number Publication date
BR112018075353A2 (pt) 2019-03-19
MX2018015292A (es) 2019-04-09
AU2017277414A1 (en) 2019-01-17
JP2019526951A (ja) 2019-09-19
CN109314565A (zh) 2019-02-05
WO2017214225A1 (en) 2017-12-14
CA3025396A1 (en) 2017-12-14
EP3469735A1 (en) 2019-04-17

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