BR112018075515A2 - método e aparelho para utilização com um sistema de antena distribuída por rádio tendo um sinal de referência dentro da banda - Google Patents

método e aparelho para utilização com um sistema de antena distribuída por rádio tendo um sinal de referência dentro da banda

Info

Publication number
BR112018075515A2
BR112018075515A2 BR112018075515A BR112018075515A BR112018075515A2 BR 112018075515 A2 BR112018075515 A2 BR 112018075515A2 BR 112018075515 A BR112018075515 A BR 112018075515A BR 112018075515 A BR112018075515 A BR 112018075515A BR 112018075515 A2 BR112018075515 A2 BR 112018075515A2
Authority
BR
Brazil
Prior art keywords
antenna system
distributed antenna
reference signal
modulated signal
control channel
Prior art date
Application number
BR112018075515A
Other languages
English (en)
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 US15/179,444 external-priority patent/US10051629B2/en
Application filed by At & T Ip I Lp filed Critical At & T Ip I Lp
Publication of BR112018075515A2 publication Critical patent/BR112018075515A2/pt

Links

Classifications

    • 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
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
    • 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
    • H04L27/2657—Carrier synchronisation
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

aspectos do assunto divulgado incluem, por exemplo, receber, por um elemento de rede de um sistema de antena distribuída, um sinal de referência, um canal de controle e um primeiro sinal modulado em uma primeira frequência portadora, o primeiro sinal modulado incluindo primeiros dados de comunicação fornecidos por uma estação de base e dirigidos a um dispositivo de comunicação móvel. as instruções no canal de controle dirigem o elemento de rede do sistema de antena distribuída para converter o primeiro sinal modulado na primeira frequência portadora para o primeiro sinal modulado em um primeiro segmento espectral. o sinal de referência é recebido em uma frequência fora da banda relativa ao canal de controle. outras modalidades são divulgadas.
BR112018075515A 2016-06-10 2017-06-07 método e aparelho para utilização com um sistema de antena distribuída por rádio tendo um sinal de referência dentro da banda BR112018075515A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/179,444 US10051629B2 (en) 2015-09-16 2016-06-10 Method and apparatus for use with a radio distributed antenna system having an in-band reference signal
PCT/US2017/036274 WO2017214226A1 (en) 2016-06-10 2017-06-07 Method and apparatus for use with a radio distributed antenna system having an in-band reference signal

Publications (1)

Publication Number Publication Date
BR112018075515A2 true BR112018075515A2 (pt) 2019-04-09

Family

ID=59078211

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018075515A BR112018075515A2 (pt) 2016-06-10 2017-06-07 método e aparelho para utilização com um sistema de antena distribuída por rádio tendo um sinal de referência dentro da banda

Country Status (9)

Country Link
EP (1) EP3469756A1 (pt)
JP (1) JP2019525523A (pt)
KR (1) KR20190018153A (pt)
CN (1) CN109314625A (pt)
AU (1) AU2017277415A1 (pt)
BR (1) BR112018075515A2 (pt)
CA (1) CA3025400A1 (pt)
MX (1) MX2018015288A (pt)
WO (1) WO2017214226A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023122056A1 (en) * 2021-12-21 2023-06-29 Life Technologies Holdings Pte Limited Electrophoresis system and methods

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1269706B1 (en) * 2000-04-04 2006-11-02 Broadcom Corporation Method to compensate for phase errors in multi-carrier signals
CN101588198B (zh) * 2008-05-19 2012-08-29 成都芯通科技股份有限公司 多载波智能天线校准中频处理方法和装置
US8779870B2 (en) * 2011-10-05 2014-07-15 International Business Machines Corporation Low phase variation CMOS digital attenuator
US8606110B2 (en) * 2012-01-08 2013-12-10 Optiway Ltd. Optical distributed antenna system
US9525524B2 (en) * 2013-05-31 2016-12-20 At&T Intellectual Property I, L.P. Remote distributed antenna system
CN103905015B (zh) * 2014-04-15 2017-04-05 中国电子科技集团公司第五十四研究所 一种高精度数字异步脉冲的无线低抖动传输方法
EP2991241A1 (en) * 2014-08-27 2016-03-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sudac, user equipment, base station and sudac system

Also Published As

Publication number Publication date
WO2017214226A1 (en) 2017-12-14
JP2019525523A (ja) 2019-09-05
CN109314625A (zh) 2019-02-05
AU2017277415A1 (en) 2019-01-17
KR20190018153A (ko) 2019-02-21
MX2018015288A (es) 2019-04-09
EP3469756A1 (en) 2019-04-17
CA3025400A1 (en) 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]