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1. WO2020068392 - NEW RADIO-UNLICENSED MULTI-CHANNEL ACCESS FOR LOW-RADIO FREQUENCY-CAPABLE USER EQUIPMENT

Publication Number WO/2020/068392
Publication Date 02.04.2020
International Application No. PCT/US2019/049809
International Filing Date 05.09.2019
IPC
H04W 74/08 2009.01
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
H04W 16/14 2009.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
16Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cell structures
14Spectrum sharing arrangements
H04W 72/04 2009.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
72Local resource management, e.g. selection or allocation of wireless resources or wireless traffic scheduling
04Wireless resource allocation
CPC
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 24/08
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
24Supervisory, monitoring or testing arrangements
08Testing, ; supervising or monitoring; using real traffic
H04W 72/042
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
72Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
04Wireless resource allocation
0406involving control information exchange between nodes
042in downlink direction of a wireless link, i.e. towards terminal
H04W 74/0808
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
74Wireless channel access, e.g. scheduled or random access
08Non-scheduled ; or contention based; access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
0808using carrier sensing, e.g. as in CSMA
H04W 74/0816
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
74Wireless channel access, e.g. scheduled or random access
08Non-scheduled ; or contention based; access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
0808using carrier sensing, e.g. as in CSMA
0816carrier sensing with collision avoidance
Applicants
  • QUALCOMM INCORPORATED [US]/[US]
Inventors
  • XUE, Yisheng
  • ZHANG, Xiaoxia
  • DAMNJANOVIC, Aleksandar
  • SUN, Jing
  • WEI, Yongbin
  • KADOUS, Tamer
Agents
  • MEANEY, Thomas J.
Priority Data
16/559,25203.09.2019US
62/737,55227.09.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) NEW RADIO-UNLICENSED MULTI-CHANNEL ACCESS FOR LOW-RADIO FREQUENCY-CAPABLE USER EQUIPMENT
(FR) ACCÈS À LA NOUVELLE RADIO MULTICANAL SANS LICENCE POUR ÉQUIPEMENT D'UTILISATEUR À CAPACITÉ DE BASSE RADIOFRÉQUENCE
Abstract
(EN)
New radio (NR) unlicensed (NR-U) multi-channel access is disclosed for low-radio frequency (RF)-capable user equipment (UE). A base station may enable multi-channel access when single operator operations cannot be guaranteed within a shared communication spectrum. The primary and secondary channels are defined within the shared communication channel. The base station may then transmit a configuration message to one or more low- RF UEs that identifies the channels and directs the UEs to monitor the primary channel for a successful listen before talk (LBT) indicator. The base station performs an LBT procedure on the primary channel and the secondary channel and signals the low-RF UEs to re-tune to the secondary channel for communication during a current transmission opportunity.
(FR)
L'Invention concerne un accès à la nouvelle radio (NR) sans licence (NR-U) pour un équipement d'utilisateur (UE) à capacité de basse radiofréquence (RF). Une station de base peut permettre un accès multicanal lorsque des opérations d'un seul opérateur ne peuvent pas être garanties à l'intérieur d'un spectre partagé de communication. Les canaux primaire et secondaire sont définis à l'intérieur du canal partagé de communication. La station de base peut ensuite transmettre un message de configuration à au moins un UE à basse RF, qui identifie les canaux et qui amène les UE à surveiller la présence d'un indicateur d'accès multiple avec écoute de porteuse (LBT) réussi dans le canal primaire. La station de base effectue une procédure de LBT sur le canal primaire et sur le canal secondaire et signale aux UE à basse RF de se resyntoniser sur le canal secondaire pour une communication pendant une opportunité actuelle de transmission.
Also published as
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