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Techniques for network-based time synchronization for ue sidelink and/or uplink communication

A technology of communication synchronization and time synchronization, which is applied in the directions of multiplexing communication, synchronization device, wireless communication, etc., and can solve the problems that external sources are not always available and cannot be used for V2V/D2D communication, etc.

Pending Publication Date: 2020-11-24
HUAWEI TECH DUESSELDORF
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, it is important to note that external sources as GNSS references are not always available and cannot be used as primary global references for V2V / D2D communications

Method used

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  • Techniques for network-based time synchronization for ue sidelink and/or uplink communication
  • Techniques for network-based time synchronization for ue sidelink and/or uplink communication
  • Techniques for network-based time synchronization for ue sidelink and/or uplink communication

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Embodiment Construction

[0118] In the following detailed description, reference is made to the accompanying drawings which form a part hereof, and in which is shown by way of illustration specific aspects in which the disclosure may be practiced. It is to be understood that other aspects may be utilized and structural or logical changes may be made without departing from the scope of the present disclosure. Accordingly, the following detailed description should not be taken in a limiting sense, and the scope of the present disclosure is defined by the appended claims.

[0119] It should be understood that discussions made in connection with a described method may also apply to a corresponding device or system for performing the method, and vice versa. For example, if specific method steps are described, a corresponding apparatus may include means for performing the described method steps, even if such means are not explicitly described or shown in the figures. Furthermore, it should be understood th...

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Abstract

The disclosure relates to techniques for network-based time synchronization for UE sidelink and / or uplink communication, in particular for inter-operator sidelink and / or uplink communication. The disclosure particularly relates to a base station, in particular an eNodeB or a gNodeB, for synchronizing at least one user equipment, UE, for its uplink and / or sidelink communication, the base station comprising a processor configured to: forward at least one time synchronization message of a time synchronization protocol, in particular a Precision Time Protocol, PTP or a Network Timing Protocol, NTP, between a time reference server and at least one UE receive synchronization information of the at least one UE about the synchronization between the at least one UE and the time reference server, inparticular an end-to-end delay between the time reference server and the at least one UE; and transmit a synchronization instruction to the at least one UE. The disclosure further relates to a corresponding UE and a corresponding time reference server.

Description

technical field [0001] The present disclosure relates to technologies for network-based time synchronization for UE sidelink and / or uplink communications, particularly inter-operator sidelink and / or uplink communications. The present disclosure relates in particular to a base station, in particular an eNodeB or a gNodeB, for synchronizing at least one user equipment UE for uplink and / or sidelink communication. The present disclosure also relates to a corresponding UE, a time reference server and a synchronization method. Background technique [0002] Device-to-device (D2D) communication is considered to be a key component of future 5G networks, mainly in the context of vehicle-to-anything (V2X) communication. In order to ensure reliable communication and fast link establishment, rapid and accurate time synchronization is required in the cellular sidelink, including different types of single-link or multi-link D2D / V2V communications (unicast, broadcast, etc.). The essence o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W56/00H04J3/06
CPCH04J3/0667H04W56/0015H04W56/005
Inventor 康斯坦丁诺·马诺拉基斯马库斯·马丁·迪林杰许文
Owner HUAWEI TECH DUESSELDORF
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