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Method and apparatus for transmitting sidelink HARQ feedback in nr v2x

A secondary link and user equipment technology, applied in transmission link error control system, transmission path multiple use, transmission path sub-channel allocation, etc., can solve problems such as service waiting time

Active Publication Date: 2021-05-25
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This may cause service latency (or delay)

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  • Method and apparatus for transmitting sidelink HARQ feedback in nr v2x
  • Method and apparatus for transmitting sidelink HARQ feedback in nr v2x
  • Method and apparatus for transmitting sidelink HARQ feedback in nr v2x

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Embodiment Construction

[0052] In various embodiments of the present disclosure, it should be understood that " / " and "," indicate "and / or". For example, "A / B" may mean "A and / or B." Additionally, "A, B" may also mean "A and / or B". Also, "A / B / C" may mean "at least one of A, B, and / or C". In addition, "A, B, C" may also mean "at least one of A, B, and / or C".

[0053] In addition, in various embodiments of the present disclosure, it should be understood that "or" means "and / or". For example, "A or B" may include "only A", "only B", and / or "both A and B". In other words, in various embodiments of the present disclosure, it should be understood that "or" means "additionally or alternatively".

[0054] The techniques described below can be used in applications such as Code Division Multiple Access (CDMA), Frequency Division Multiple Access (FDMA), Time Division Multiple Access (TDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single Carrier Frequency Division Multiple Access (SC- In vari...

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Abstract

Provided are a method for transmitting sidelink hybrid automatic repeat request (SL HARQ) feedback by a first device (100), and an apparatus for supporting same. The method comprises the steps of: receiving a physical sidelink shared channel (PSSCH) from a second device (200); and transmitting SL HARQ feedback associated with the PSSCH to the second device (200), wherein a resource through which the SL HARQ feedback is transmitted may be determined on the basis of an identifier (ID) of the first device (100).

Description

technical field [0001] The present disclosure relates to wireless communication systems. Background technique [0002] A wireless communication system is a multiple-access system that supports communication with multiple users by sharing available system resources (eg, bandwidth, transmit power, etc.). Examples of multiple-access systems include Code Division Multiple Access (CDMA) systems, Frequency Division Multiple Access (FDMA) systems, Time Division Multiple Access (TDMA) systems, Orthogonal Frequency Division Multiple Access (OFDMA) systems, Single Carrier Frequency Division Multiple Access ( SC-FDMA) system, multi-carrier frequency division multiple access (MC-FDMA), etc. [0003] Furthermore, a wireless communication system needs to estimate an uplink channel or a downlink channel for data transmission / reception, system synchronization acquisition, channel information feedback, and the like. In a wireless communication system environment, fading occurs due to multi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/18H04L1/16H04L5/00H04B17/382
CPCH04L1/1861H04L1/1854H04L2001/0093H04W52/383H04W52/48H04W52/242H04W52/241H04L5/0055H04L5/0051
Inventor 李承旻徐翰瞥
Owner LG ELECTRONICS INC
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