BR112018003527A2 - técnicas de enlace descendente e sincronização para comunicações sem fio de banda estreita - Google Patents

técnicas de enlace descendente e sincronização para comunicações sem fio de banda estreita

Info

Publication number
BR112018003527A2
BR112018003527A2 BR112018003527A BR112018003527A BR112018003527A2 BR 112018003527 A2 BR112018003527 A2 BR 112018003527A2 BR 112018003527 A BR112018003527 A BR 112018003527A BR 112018003527 A BR112018003527 A BR 112018003527A BR 112018003527 A2 BR112018003527 A2 BR 112018003527A2
Authority
BR
Brazil
Prior art keywords
synchronization signal
transmitted
resource block
wireless communications
communications
Prior art date
Application number
BR112018003527A
Other languages
English (en)
Inventor
Rico Alvarino Alberto
Xu Hao
Lei Jing
Srinivasan Vajapeyam Madhavan
Gaal Peter
Wang Renqiu
Ali Akbar Fakoorian Seyed
Arvind Patel Shimman
Chen Wanshi
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112018003527A2 publication Critical patent/BR112018003527A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • 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
    • H04L5/0091—Signaling for the administration of the divided path
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • 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
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services
    • 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
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

trata-se de várias técnicas para comunicações de banda estreita em uma rede de comunicações sem fio. comunicações de banda estreita podem ser transmitidas com o uso de um bloco de recursos único (rb) de inúmeros rbs usados para comunicações de banda larga. a fim de proporcionar descoberta e sincronização de dispositivo eficientes com o uso de comunicações de banda estreita, um sinal de sincronização, tal como um sinal de sincronização primário (pss) ou sinal de sincronização secundário (sss), pode ser transmitido dentro do bloco de recursos único. o sinal de sincronização pode ser transmitido, por exemplo, com o uso de múltiplos símbolos de multiplexação por divisão de frequência ortogonal (ofdm) dentro do rb único. um sinal de referência comum (crs) também pode estar presente no bloco de recursos único, que pode puncionar o sinal de sincronização, em alguns exemplos. em outros exemplos, o sinal de sincronização pode ser mapeado para símbolos não de crs do bloco de recursos único.
BR112018003527A 2015-08-26 2016-08-24 técnicas de enlace descendente e sincronização para comunicações sem fio de banda estreita BR112018003527A2 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201562210343P 2015-08-26 2015-08-26
US201662277462P 2016-01-11 2016-01-11
US15/244,653 US10893520B2 (en) 2015-08-26 2016-08-23 Downlink and synchronization techniques for narrowband wireless communications
PCT/US2016/048406 WO2017035238A2 (en) 2015-08-26 2016-08-24 Downlink and synchronization techniques for narrowband wireless communications

Publications (1)

Publication Number Publication Date
BR112018003527A2 true BR112018003527A2 (pt) 2018-09-25

Family

ID=58097393

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018003527A BR112018003527A2 (pt) 2015-08-26 2016-08-24 técnicas de enlace descendente e sincronização para comunicações sem fio de banda estreita

Country Status (10)

Country Link
US (2) US10893520B2 (pt)
EP (2) EP3917064A1 (pt)
JP (1) JP6979942B2 (pt)
KR (1) KR102252246B1 (pt)
CN (2) CN107925548B (pt)
BR (1) BR112018003527A2 (pt)
ES (1) ES2894956T3 (pt)
RU (1) RU2726872C2 (pt)
TW (1) TWI732779B (pt)
WO (1) WO2017035238A2 (pt)

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KR20180044914A (ko) 2018-05-03
JP2018532298A (ja) 2018-11-01
RU2018106091A (ru) 2019-09-26
CN112994867B (zh) 2024-04-05
RU2726872C2 (ru) 2020-07-16
TWI732779B (zh) 2021-07-11
ES2894956T3 (es) 2022-02-16
US11743871B2 (en) 2023-08-29
WO2017035238A3 (en) 2017-03-23
EP3342081B1 (en) 2021-09-15
EP3917064A1 (en) 2021-12-01
US20210058912A1 (en) 2021-02-25
CN107925548B (zh) 2021-03-12
CN107925548A (zh) 2018-04-17
EP3342081A2 (en) 2018-07-04
US20170064685A1 (en) 2017-03-02
RU2018106091A3 (pt) 2020-03-05
WO2017035238A2 (en) 2017-03-02
TW201713140A (zh) 2017-04-01
KR102252246B1 (ko) 2021-05-13
US10893520B2 (en) 2021-01-12
JP6979942B2 (ja) 2021-12-15
CN112994867A (zh) 2021-06-18

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