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Method and device for setting PSCell based on non-independent networking

A non-independent, networking technology, applied in the field of communication, can solve the problems such as the inability to verify the MeNB handover function characteristics and the inability to accurately determine

Active Publication Date: 2020-07-31
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, under the existing protocol, during the UE handover process, the X2 port handover request message sent by the S-MeNB to the T-MeNB only carries the base station identification information of the SgNB, and there are usually multiple cells within the jurisdiction of an SgNB. Then, based on the base station identification information of the SgNB, the T-MeNB cannot accurately determine which cell within the jurisdiction of the SgNB is used as the primary cell (SpCell of a secondary cellgroup, PSCell) in the secondary cell group, and thus cannot realize that after the handover of the UE, The UE is still jointly served by the Master Cell Group (MCG) and the source Secondary Cell Group (SCG). In this way, it is impossible to verify the functional characteristics of the PScell ​​unchanged MeNB handover

Method used

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  • Method and device for setting PSCell based on non-independent networking
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  • Method and device for setting PSCell based on non-independent networking

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Embodiment Construction

[0065] In the embodiment of the present invention, in order to make full use of 5G resources and ensure the throughput of the cell, in the embodiment of the present invention, the MeNB side needs to agree with the SgNB side in advance on the priority order of each New Radio (NR) cell (that is, the 5G cell) , in this way, during the handover process of the UE, the T-MeNB can select the PSCell according to the preset agreed priority sequence.

[0066] The preferred embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0067] For a UE that has established EN-DC dual connectivity, when the UE moves from the jurisdiction of the S-MeNB to the scope of the T-MeNB, the S-MeNB will carry the base station identification information of the SgNB in ​​the handover request message, The T-MeNB will select the PSCell from the corresponding cell list based on the base station identification information.

[0068] Specifi...

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Abstract

The invention relates to the field of communication, in particular to a method and device for setting a PSCell based on non-independent networking, thereby improving the utilization rate of 5G resources and ensuring the cell throughput. The method comprises the following steps: for each SgNB, presetting a corresponding alternative NR cell set; and when the UE with the established ED-DC is switchedbetween main base stations, determining the SgNB having a cooperative relationship with the S-MeNB by a T-MeNB based on the notification of the S-MeNB, and selecting one NR cell from the preset alternative cell set corresponding to the SgNB as the PSCell. Thus, after the UE is switched, the T-MeNB can accurately add the PSCell of the SgNB, so that the UE can continue to use services provided by the MCG and the SCG after being switched, the utilization rate of 5G resources is effectively improved, and the cell throughput is ensured; meanwhile, the resource load of the MeNB is also reduced.

Description

technical field [0001] The invention relates to the communication field, in particular to a confirmation method and device for setting a PSCell based on a non-independent networking. Background technique [0002] Currently, two networking schemes, Non-Stand Alone (NSA) and StandAlone (SA), are introduced into the 5G standard. As a transitional solution, non-standalone networking aims to increase bandwidth in hotspot areas. In non-standalone networking, 5G base stations do not have an independent signaling plane and rely on 4G base stations and 4G core networks to work. The independent networking can realize all the new features of 5G, which is conducive to giving full play to the full capabilities of 5G. It is a 5G target solution recognized by the industry. [0003] However, in the initial stage of 5G network construction, due to practical issues such as technical capabilities and equipment costs, non-independent networking solutions are temporarily used to build 5G networ...

Claims

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Application Information

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IPC IPC(8): H04W36/00H04W36/08H04W36/30H04W92/20
CPCH04W36/0072H04W36/08H04W36/30H04W92/20
Inventor 李淑玲
Owner DATANG MOBILE COMM EQUIP CO LTD
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