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1. WO2019217526 - EFFICIENT OPERATION WITH UNLICENSED DOWNLINK (DL) AND LICENSED UPLINK (UL) BY TRANSMISSION OF SELECTIVE DL MESSAGES USING LICENSED UL

Publication Number WO/2019/217526
Publication Date 14.11.2019
International Application No. PCT/US2019/031276
International Filing Date 08.05.2019
IPC
H04W 74/08 2009.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
74Wireless channel access, e.g. scheduled or random access
08Non-scheduled access, e.g. random access, ALOHA or CSMA
CPC
H04L 5/001
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
5Arrangements affording multiple use of the transmission path
0001Arrangements for dividing the transmission path
0003Two-dimensional division
0005Time-frequency
0007the frequencies being orthogonal, e.g. OFDM(A), DMT
001the frequencies being arranged in component carriers
H04L 5/003
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
5Arrangements affording multiple use of the transmission path
003Arrangements for allocating sub-channels of the transmission path
H04L 5/0094
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
5Arrangements affording multiple use of the transmission path
0091Signaling for the administration of the divided path
0094Indication of how sub-channels of the path are allocated
H04W 16/14
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
16Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
14Spectrum sharing arrangements ; between different networks
H04W 56/0015
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
56Synchronisation arrangements
001Synchronization between nodes
0015one node acting as a reference for the others
H04W 72/00
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
72Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
Applicants
  • QUALCOMM INCORPORATED [US]/[US]
Inventors
  • CHAKRABORTY, Kaushik
  • ZHANG, Xiaoxia
  • SUN, Jing
  • KADOUS, Tamer
Agents
  • WEBB, Gregory P.
  • KELTON, Thomas W.
  • CHEN, Tom
  • MICHELSON, Gregory J.
  • HALLMAN, Jonathan
  • WELCH, Henry L.
  • FOWLES, Adam
  • NGUYEN, Thuc B.
  • EDWARDS, Gary J.
  • LI, Eric
  • HUH, Gregory
Priority Data
16/405,33907.05.2019US
62/669,18109.05.2018US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) EFFICIENT OPERATION WITH UNLICENSED DOWNLINK (DL) AND LICENSED UPLINK (UL) BY TRANSMISSION OF SELECTIVE DL MESSAGES USING LICENSED UL
(FR) FONCTIONNEMENT EFFICACE AVEC LIAISON DESCENDANTE SANS LICENCE (DL) ET LIAISON MONTANTE SOUS LICENCE (UL) PAR TRANSMISSION DE MESSAGES DL SÉLECTIFS À L'AIDE D'UNE UL SOUS LICENSE
Abstract
(EN) Wireless communications systems and methods related to operating in a network deployed in a downlink (DL) unlicensed band and an uplink (UL) licensed band are provided. A first wireless communication device communicates, with a second wireless communication device, a first downlink communication signal in a downlink unlicensed band of a network. The first wireless communication device communicates, with the second wireless communication device, a second downlink communication signal in an uplink licensed band of the network. The second downlink communication signal includes at least one of a synchronization signal block (SSB), system information, a random access response, a contention resolution message, paging information, a downlink feedback signal, or low-latency data.
(FR) L'invention concerne des systèmes de communication sans fil et des procédés se rapportant à un fonctionnement dans un réseau déployé dans une bande sans licence de liaison descendante (DL) et une bande sous licence de liaison montante (UL). Un premier dispositif de communication sans fil communique, avec un deuxième dispositif de communication sans fil, un premier signal de communication descendante dans une bande non autorisée de liaison descendante d'un réseau. Le premier dispositif de communication sans fil communique, avec le deuxième dispositif de communication sans fil, un deuxième signal de communication en liaison descendante dans une bande du réseau sous licence de liaison montante. Le deuxième signal de communication sur la liaison descendante comprend au moins l'un des éléments suivants : un bloc de signal de synchronisation (SSB), des informations système, une réponse à accès aléatoire, un message de résolution de conflit, des informations de téléavertissement, un signal de rétroaction sur la liaison descendante ou des données à faible latence.
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