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1. WO2022246722 - ADDITIONAL GUARD RESOURCE ELEMENTS IN A FREQUENCY DOMAIN

Publication Number WO/2022/246722
Publication Date 01.12.2022
International Application No. PCT/CN2021/096257
International Filing Date 27.05.2021
IPC
H04W 72/04 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
H04L 27/26 2006.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27Modulated-carrier systems
26Systems using multi-frequency codes
CPC
H04L 27/2602
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27Modulated-carrier systems
26Systems using multi-frequency codes
2601Multicarrier modulation systems
2602Signal structure
H04L 27/26025
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27Modulated-carrier systems
26Systems using multi-frequency codes
2601Multicarrier modulation systems
2602Signal structure
26025Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking
H04L 27/2613
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27Modulated-carrier systems
26Systems using multi-frequency codes
2601Multicarrier modulation systems
2602Signal structure
261Details of reference signals
2613Structure of the reference signals
H04L 27/2695
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27Modulated-carrier systems
26Systems using multi-frequency codes
2601Multicarrier modulation systems
2647Arrangements specific to the receiver only
2655Synchronisation arrangements
2689Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
2695with channel estimation, e.g. determination of delay spread, derivative or peak tracking
H04L 5/0048
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
0048Allocation of pilot signals, i.e. of signals known to the receiver
H04L 5/0051
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
0048Allocation of pilot signals, i.e. of signals known to the receiver
0051of dedicated pilots, i.e. pilots destined for a single user or terminal
Applicants
  • QUALCOMM INCORPORATED [US]/[US]
  • LI, Qiaoyu [CN]/[CN] (WS)
  • XU, Hao [US]/[CN] (WS)
  • WU, Qiang [US]/[US] (WS)
Inventors
  • LI, Qiaoyu
  • XU, Hao
  • WU, Qiang
Agents
  • NTD PATENT & TRADEMARK AGENCY LTD.
Priority Data
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) ADDITIONAL GUARD RESOURCE ELEMENTS IN A FREQUENCY DOMAIN
(FR) ÉLÉMENTS DE RESSOURCES DE GARDE SUPPLÉMENTAIRES DANS UN DOMAINE FRÉQUENTIEL
Abstract
(EN) Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, a configuration that defines a quantity of additional guard resource elements (REs) in a frequency domain between different frequency division multiplexed demodulation reference signal (DMRS) code division multiplexing (CDM) groups. The additional guard REs in the frequency domain may not be associated with signal transmissions. The UE may perform a channel estimation based at least in part on the quantity of additional guard REs in the frequency domain between the different frequency division multiplexed DMRS CDM groups. Numerous other aspects are described.
(FR) Divers aspects de la présente divulgation portent d'une manière générale sur la communication sans fil. Selon certains aspects, un équipement utilisateur (UE) peut recevoir, en provenance d'une station de base, une configuration qui définit une quantité d'éléments de ressources (RE) de garde supplémentaires dans un domaine fréquentiel entre différents groupes de multiplexage en code (CDM) de signal de référence de démodulation (DMRS) multiplexés par division de fréquence. Les RE de garde supplémentaires dans le domaine fréquentiel peuvent ne pas être associés à des transmissions de signaux. L'UE peut effectuer une estimation de canal en fonction, au moins en partie, de la quantité de RE de garde supplémentaires dans le domaine fréquentiel entre les différents groupes CDM DMRS multiplexés par division de fréquence. De nombreux autres aspects sont également décrits.
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