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1. WO2022026407 - ENHANCED FEEDBACK TRANSMISSION FOR SIDELINK COMMUNICATION IN UNLICENSED SPECTRUM

Publication Number WO/2022/026407
Publication Date 03.02.2022
International Application No. PCT/US2021/043211
International Filing Date 26.07.2021
IPC
H04L 1/16 2006.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1Arrangements for detecting or preventing errors in the information received
12by using return channel
16in which the return channel carries supervisory signals, e.g. repetition request signals
H04L 1/18 2006.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1Arrangements for detecting or preventing errors in the information received
12by using return channel
16in which the return channel carries supervisory signals, e.g. repetition request signals
18Automatic repetition systems, e.g. van Duuren system
H04W 72/08 2009.1
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
08based on quality criteria
CPC
H04L 1/1671
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1Arrangements for detecting or preventing errors in the information received
12by using return channel
16in which the return channel carries supervisory signals, e.g. repetition request signals
1607Details of the supervisory signal
1671the supervisory signal being transmitted together with control information
H04L 1/1861
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1Arrangements for detecting or preventing errors in the information received
12by using return channel
16in which the return channel carries supervisory signals, e.g. repetition request signals
18Automatic repetition systems, e.g. van Duuren system ; ; ARQ protocols
1829Arrangements specific to the receiver end
1861Physical mapping arrangements
H04L 2001/0092
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1Arrangements for detecting or preventing errors in the information received
0092Error control systems characterised by the topology of the transmission link
Applicants
  • QUALCOMM INCORPORATED [US]/[US]
Inventors
  • WU, Shuanshuan
  • GUBESKYS, Arthur
  • CHERAGHI, Parisa
  • STEFANATOS, Stelios
  • SARKIS, Gabi
Agents
  • GARG, Ankur
  • READ, Randol W.
  • HAMMACK, Marcus W.
Priority Data
2020010045431.07.2020GR
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) ENHANCED FEEDBACK TRANSMISSION FOR SIDELINK COMMUNICATION IN UNLICENSED SPECTRUM
(FR) TRANSMISSION DE RÉTROACTION AMÉLIORÉE POUR COMMUNICATION DE LIAISON LATÉRALE DANS UN SPECTRE SANS LICENCE
Abstract
(EN) Certain aspects of the present disclosure provide techniques for enhanced feedback transmission for sidelink communication in unlicensed spectrum. A method that may be performed by a first user equipment (UE) includes receiving a sidelink transmission in a frequency band from a second UE; and transmitting feedback comprising: hybrid automatic retransmission request (HARQ) feedback regarding the sidelink transmission, and an indication of a measure of an energy level of the frequency band as measured by the first UE
(FR) Certains aspects de l'invention concernent des techniques de transmission de rétroaction améliorée pour communication de liaison latérale dans un spectre sans licence. Un procédé qui peut être réalisé par un premier équipement utilisateur (UE) comprend la réception d'une transmission de liaison latérale dans une bande de fréquences à partir d'un second UE; et la transmission d'une rétroaction comprenant : une rétroaction de demande de retransmission automatique hybride (HARQ) concernant la transmission de liaison latérale, et une indication d'une mesure d'un niveau d'énergie de la bande de fréquence telle que mesurée par le premier UE.
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