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 rádioInfo
- 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
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)
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 (en) | 2016-06-10 | 2017-06-07 | Method and apparatus for use with a radio distributed antenna system |
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 (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) |
Families Citing this family (1)
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)
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 |
-
2017
- 2017-06-07 WO PCT/US2017/036271 patent/WO2017214225A1/en active Search and Examination
- 2017-06-07 BR BR112018075353A patent/BR112018075353A2/pt not_active Application Discontinuation
- 2017-06-07 CN CN201780035974.5A patent/CN109314565A/zh active Pending
- 2017-06-07 MX MX2018015292A patent/MX2018015292A/es unknown
- 2017-06-07 KR KR1020197000568A patent/KR20190016555A/ko unknown
- 2017-06-07 CA CA3025396A patent/CA3025396A1/en not_active Abandoned
- 2017-06-07 EP EP17731385.5A patent/EP3469735A1/en not_active Withdrawn
- 2017-06-07 AU AU2017277414A patent/AU2017277414A1/en not_active Abandoned
- 2017-06-07 JP JP2018564849A patent/JP2019526951A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
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 |
KR20190016555A (ko) | 2019-02-18 |
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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] |