Techniques for synchronization based on sidelink synchronization signal prioritization

A technology for synchronizing information and links, applied in the directions of synchronization devices, wireless communication, transmission monitoring, etc., and can solve problems affecting UE synchronization, etc.

Pending Publication Date: 2022-03-04
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a UE may receive synchronization signals from multiple synchronization sources, affecting the UE's ability to determine which synchronization source to synchronize with and subsequently communicate with

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  • Techniques for synchronization based on sidelink synchronization signal prioritization
  • Techniques for synchronization based on sidelink synchronization signal prioritization
  • Techniques for synchronization based on sidelink synchronization signal prioritization

Examples

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Embodiment Construction

[0032] In some wireless communication systems, a user equipment (UE) may receive a synchronization signal from a synchronization source (eg, a synchronization source) to enable the UE to synchronize and communicate with the synchronization source before establishing a connection. For example, the synchronization signal may allow the UE to send and receive messages to and from the synchronization source according to the timing indicated by the synchronization signal (eg, the UE adjusts the timing to align with the timing of the synchronization source). In some cases, the synchronization source may be a base station, a synchronization reference UE, or a similar wireless device connected to a Global Navigation Satellite System (GNSS) from which the timing associated with the synchronization signal is determined. Alternatively, the synchronization source may be located outside the coverage area for GNSS and may determine the timing of the indication with the synchronization signal ...

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Abstract

Methods, systems, and devices for wireless communication are described. A user equipment (UE) may receive a first set of synchronization signals from a first synchronization source, and may receive a second set of synchronization signals from a second synchronization source, where the UE determines a first priority for the first synchronization source based on a first identity (ID) associated with the first set of synchronization signals, and may determine a second priority for the second synchronization source based on a second identity (ID) associated with the second set of synchronization signals. And determine a second priority for the second synchronization source based on a second ID associated with the second set of synchronization signals. Accordingly, the UE may then select either the first synchronization source or the second synchronization source based on which synchronization source has a higher priority, and communicate with the selected synchronization source (e.g., via a sidelink).

Description

[0001] Cross References to Related Applications [0002] This patent application claims the benefit of U.S. Provisional Patent Application No. 62 / 880,480, filed July 30, 2019, by Gulati et al., entitled "Techniques for Synchronizing Based on Sidelink Synchronization Signal Prioritization"; The benefit of U.S. Patent Application No. 16 / 942,365, entitled "Techniques for Synchronizing Based on Sidelink Synchronization Signal Prioritization," filed July 29; each of which is assigned to the present assignee. technical field [0003] The present disclosure relates, for example, to wireless communication systems, and more particularly, to techniques for synchronization based on sidelink synchronization signal prioritization. Background technique [0004] Wireless communication systems are widely deployed to provide various types of communication content such as voice, video, packet data, messaging, broadcast, and so on. These systems can support communication with multiple users b...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): H04W56/00H04B17/318H04B17/336
CPCH04W56/0015H04B17/318H04B17/336H04W56/0025H04W92/18H04W56/0005
InventorK·古拉蒂S·K·巴盖尔厉隽怿吴栓栓
OwnerQUALCOMM INC