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Method for adding interface between network-side devices and network-side device

A network-side device and interface technology, applied in network data management, connection management, wireless communication, etc., can solve problems such as failure to establish Xn interface

Active Publication Date: 2021-09-14
CHINA MOBILE COMM LTD RES INST +1
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Problems solved by technology

And after exiting the RNA area, because there is a UE doing RNA update, the base station doing UE context fetch and the previous anchor base station may not be adjacent cells, and the Xn interface cannot be established through the automatic neighbor cell discovery feature of LTE.

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  • Method for adding interface between network-side devices and network-side device

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[0034] In order to make the technical problems, technical solutions and advantages to be solved by the embodiments of the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0035] According to the current 38.300 protocol, when the UE moves out of the RNA area, the UE needs to perform the RNA update operation, and the serving base station needs to obtain the UE context from the previous anchor base station. When there is no Xn interface between the serving base station and the anchor base station, the UE context may need to be transferred from the core network to the current serving base station. Compared with obtaining through the Xn interface, this method is likely to be more time-consuming.

[0036] One possible solution is that the anchor base station determines whether it needs to establish an Xn interface with the base station in this RNA area by counting the number of times of UE contextfetch from a...

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Abstract

The invention provides a method for adding an interface between network-side devices and a network-side device, belonging to the technical field of wireless communication. Among them, the method for adding an interface between network-side devices is applied to network-side devices, including: determining whether to contact the target network-side device according to the number of UE context fetch requests received by at least one network-side device within a preset period of time The device establishes an Xn interface. The technical scheme of the invention can reduce communication delay and improve communication quality.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a method for adding an interface between network-side devices and the network-side device. Background technique [0002] The current 3GPP (3rd Generation Partnership Project, 3rd Generation Partnership Project) RAN (Radio Access Network, radio access network) 2 and RAN3 have determined that the access network notification area (RNA) is configured for the inactive state UE (User Equipment, user equipment) ) has two options: RNA identification, list of cells (cell list). Among them, the prerequisite for the method of using the RNA marker is that all (at least one) base stations located in a certain area share the same RNA marker. [0003] According to the current 38.300 protocol, when the UE moves out of the RNA area, the UE needs to perform an RNA update (update) operation, and the serving base station needs to obtain the UE context (context) from the previous anch...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/00H04W8/08H04W8/24H04W76/10
CPCH04W8/08H04W8/24H04W36/0033H04W76/10
Inventor 刘洋刘亮杨光
Owner CHINA MOBILE COMM LTD RES INST
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