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Clock processing method, access network equipment and terminal equipment

A technology for access network equipment and terminal equipment, applied in the field of communications, can solve problems such as poor compatibility, inability to efficiently utilize time-frequency resources of wireless networks, and inability to achieve high-precision clock synchronization, and achieve efficient utilization, The effect of improving accuracy

Active Publication Date: 2018-10-16
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in industrial control systems using wireless communication networks, the compatibility between the IEEE1588 protocol and the underlying protocol of the wireless communication access network is not good. Therefore, the time-frequency resources of the wireless network cannot be efficiently utilized, resulting in the inability to achieve high-precision clock synchronization

Method used

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  • Clock processing method, access network equipment and terminal equipment
  • Clock processing method, access network equipment and terminal equipment
  • Clock processing method, access network equipment and terminal equipment

Examples

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Embodiment Construction

[0100] figure 1 It is a schematic diagram of an application scenario of a clock processing solution provided by an embodiment of the present invention. like figure 1 As shown, it specifically includes an access network device and one or more terminal devices.

[0101] The access network device and the terminal device may be connected in a wireless manner; wherein, the access network device has a standard clock, and the access network device is responsible for providing a standard clock reference to the terminal device.

[0102] The clock processing method of the embodiment of the present invention can be applied to a wireless cellular communication network system (such as a Global System of Mobile communication (GSM) system, a Wideband Code Division Multiple Access (WCDMA) system, a long-term evolution (Long Term Evolution, LTE), 5G communication system), a high-precision standard clock is provided for terminal equipment connected to the wireless cellular communication netwo...

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Abstract

The embodiment of the invention provides a clock processing method, access network equipment and terminal equipment. The method comprises the following steps: determining a first timestamp when the terminal equipment sends a first signal; receiving a second signal which is sent by the terminal equipment and corresponds to the first signal, and determining a fourth timestamp when the second signalis received; and sending a data packet containing the first timestamp and the fourth timestamp to the terminal equipment, wherein the data packet is used for enabling the terminal equipment to adjusta local clock of the terminal equipment. The first timestamp and the fourth timestamp are sent to the terminal equipment at one time in a merged way, so that utilization rate of time frequency resource is improved, then the time frequency resource of a wireless network is more efficiently utilized, and clock synchronization is realized.

Description

technical field [0001] The embodiments of the present invention relate to the field of communication technologies, and in particular, to a clock processing method, access network equipment, and terminal equipment. Background technique [0002] It has become mainstream to apply the technology of wireless communication technology control terminal for automatic operation to the traditional production control industry instead of manual operation, such as automatic driving technology, telemedicine technology, and intelligent robot operation technology. [0003] For example, in the field of high-precision industrial control, multiple intelligent robots work together. At this time, multiple robots need to have unified clock information to achieve collaborative work. Multiple robots are usually clock-synchronized using a precision clock synchronization protocol standard (Institute of Electrical and Electronics Engineers 1588, IEEE 1588) for networked measurement and control systems....

Claims

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Application Information

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IPC IPC(8): H04J3/06H04L12/26H04L9/32
CPCH04J3/0661H04L9/3297H04L43/106H04J3/06H04L9/32H04W56/00
Inventor 杨坤温容慧于光炜
Owner HUAWEI TECH CO LTD
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