BR112021018092A2 - Deslocamento inicial para transmissão de enlace ascendente não licenciada por novo rádio (nr-u) - Google Patents

Deslocamento inicial para transmissão de enlace ascendente não licenciada por novo rádio (nr-u)

Info

Publication number
BR112021018092A2
BR112021018092A2 BR112021018092A BR112021018092A BR112021018092A2 BR 112021018092 A2 BR112021018092 A2 BR 112021018092A2 BR 112021018092 A BR112021018092 A BR 112021018092A BR 112021018092 A BR112021018092 A BR 112021018092A BR 112021018092 A2 BR112021018092 A2 BR 112021018092A2
Authority
BR
Brazil
Prior art keywords
communication device
wireless communication
new radio
uplink transmission
starting offset
Prior art date
Application number
BR112021018092A
Other languages
English (en)
Inventor
Narayanan THYAGARAJAN Ananta
Jing Sun
Kapil Bhattad
Xiaoxia Zhang
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 BR112021018092A2 publication Critical patent/BR112021018092A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • 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
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0006—Assessment of spectral gaps suitable for allocating digitally modulated signals, e.g. for carrier allocation in cognitive radio
    • 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
    • H04L27/26025—Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking
    • 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
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2646—Arrangements specific to the transmitter only using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

deslocamento inicial para transmissão de enlace ascendente não licenciada por novo rádio (nr-u). trata-se de sistemas e métodos de comunicações sem fio relacionados à sinalização de deslocamentos de início de transmissão para transmissões de enlace ascendente em um espectro de frequência compartilhado por múltiplas entidades operacionais de rede. um primeiro dispositivo de comunicação sem fio comunica com um segundo dispositivo de comunicação sem fio uma configuração de comprimento de extensão de prefixo cíclico (cp) para fornecer uma duração de intervalo para um ouvir antes de falar (lbt) associado a um primeiro sinal de comunicação. o primeiro dispositivo de comunicação sem fio comunica, com o segundo dispositivo de comunicação sem fio, o primeiro sinal de comunicação incluindo uma extensão de cp que tem um comprimento com base na configuração de comprimento de extensão de cp.
BR112021018092A 2019-03-26 2020-03-02 Deslocamento inicial para transmissão de enlace ascendente não licenciada por novo rádio (nr-u) BR112021018092A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IN201941011710 2019-03-26
US16/804,971 US11032812B2 (en) 2019-03-26 2020-02-28 Starting offset for new radio-unlicensed (NR-U) uplink transmission
PCT/US2020/020613 WO2020197710A1 (en) 2019-03-26 2020-03-02 Starting offset for new radio-unlicensed (nr-u) uplink transmission

Publications (1)

Publication Number Publication Date
BR112021018092A2 true BR112021018092A2 (pt) 2021-11-23

Family

ID=72605052

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021018092A BR112021018092A2 (pt) 2019-03-26 2020-03-02 Deslocamento inicial para transmissão de enlace ascendente não licenciada por novo rádio (nr-u)

Country Status (7)

Country Link
US (2) US11032812B2 (pt)
EP (1) EP3949302A1 (pt)
KR (1) KR20210144712A (pt)
CN (1) CN113615138B (pt)
BR (1) BR112021018092A2 (pt)
SG (1) SG11202109214QA (pt)
WO (1) WO2020197710A1 (pt)

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US11490417B2 (en) * 2019-07-08 2022-11-01 Apple Inc. FBE framework for NR systems operating on unlicensed spectrum
WO2021087866A1 (en) * 2019-11-07 2021-05-14 Apple Inc. Channel access mechanisms in wireless communication
US11910433B2 (en) * 2020-02-13 2024-02-20 Intel Corporation Physical uplink shared channel (PUSCH) transmission scheduling for new radio (NR)
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US11582796B2 (en) * 2020-05-15 2023-02-14 Qualcomm Incorporated Listen-before-talk (LBT) failure detection in dormant cell and outside discontinuous reception (DRX) active time
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WO2023133693A1 (zh) * 2022-01-11 2023-07-20 深圳传音控股股份有限公司 通信方法、通信设备以及存储介质
US20230319872A1 (en) * 2022-03-21 2023-10-05 Qualcomm Incorporated Reservation of cyclic prefix (cp) extension (cpe) based channel access in sidelink unlicensed
WO2023205613A1 (en) * 2022-04-18 2023-10-26 Intel Corporation Resource selection, listen-before talk procedures, and mapping of priority and quality of service information for sidelink communication
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Also Published As

Publication number Publication date
US20200313946A1 (en) 2020-10-01
US11743911B2 (en) 2023-08-29
KR20210144712A (ko) 2021-11-30
EP3949302A1 (en) 2022-02-09
US20210266882A1 (en) 2021-08-26
CN113615138B (zh) 2023-12-05
SG11202109214QA (en) 2021-10-28
US11032812B2 (en) 2021-06-08
CN113615138A (zh) 2021-11-05
WO2020197710A1 (en) 2020-10-01

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