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Method for supporting sidelink retransmission

A side chain, resource technology, applied in the field of intelligent transportation system, vehicle-to-everything (V2X) service discovery and provision

Pending Publication Date: 2022-07-08
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are various issues, difficulties and / or difficulties related to HARQ feedback in NR SL operation, especially for scheduling NR D2D between UEs by a radio network node (eg, base station) via resource grants to respective UEs / SL transmission mode of operation is so

Method used

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  • Method for supporting sidelink retransmission
  • Method for supporting sidelink retransmission
  • Method for supporting sidelink retransmission

Examples

Experimental program
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Embodiment Construction

[0060] The exemplary embodiments outlined above will now be described more fully with reference to the accompanying drawings. These descriptions are provided by way of example to explain the subject matter to those skilled in the art, and should not be construed to limit the scope of the subject matter to only the embodiments described herein. More particularly, examples are provided below that illustrate the operation of various embodiments in accordance with the advantages discussed above.

[0061]Generally, all terms used herein are to be interpreted according to their ordinary meaning in the relevant technical field unless explicitly given and / or a different meaning is implied from the context in which it is used. Unless expressly stated otherwise, all references to an (a / an) / the element, device, component, component, step, etc. should be openly construed as referring to the element, device, component, part, step, etc. at least one instance. The steps of any method and / o...

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PUM

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Abstract

Embodiments include a method performed by a network node in a wireless network for providing resources for device-to-device wireless communication between a first user equipment (UE) and a second UE. Such a method includes transmitting, to a first UE, a configuration identifying one or more sidelink (SL) channels between the first UE and a second UE and one or more first hybrid ARQ (HARQ) feedback modes associated with the respective one or more SL channels. Such a method also includes transmitting resource information to the first UE identifying resources available for communication via the one or more SL channels. Other embodiments include a supplemental method of a first UE that includes transmitting buffer data for a particular SL channel to a second UE using resources compatible with a first HARQ mode, the first HARQ mode associated with the particular SL channel. Other embodiments include a network node and a UE configured to perform such a method.

Description

technical field [0001] The present application relates generally to the field of wireless communications, and more particularly to the discovery and provision of intelligent transportation systems (ITS) and / or vehicle-to-everything (V2X) services using device-to-device (D2D) side-link communications. Background technique [0002] Cellular communication systems are currently being developed and improved for Cooperative Intelligent Transportation System (C-ITS) applications including road transport. Vehicle-to-vehicle (vehicle-to-vehicle or V2V), vehicle-to-infrastructure (V2I), and communication with vulnerable road users is expected to increase user safety and comfort, and improve traffic management and / or reduce congestion, as well as reduce vehicle fuel consumption and emissions. These communication modes are often collectively referred to as vehicle-to-everything (V2X). An extensive set of C-ITS use cases for V2X has been developed, and based on these use cases, V2X com...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/18
CPCH04W72/25H04W72/40H04L1/1812H04L5/0055H04L1/1864H04L1/1896H04L1/08H04L5/0053H04W72/02H04W72/0446H04W72/23
Inventor 张聪驰S·A·艾什拉夫R·布拉斯科瑟拉诺A·奥尔希诺
Owner TELEFON AB LM ERICSSON (PUBL)