Title:
専用ベアラ作成方法、移動性管理エンティティおよびパケットデータネットワークゲートウェイ
Document Type and Number:
Japanese Patent JP7039697
Kind Code:
B2
Abstract:
A dedicated bearer creation method, an MME, and a PDN gateway are provided. The dedicated bearer creation method includes: in a TAU procedure, when it is determined that a UE has moved from a 5G network to a 4G network based on identification information provided by the UE, keeping a control plane NAS connection after the TAU procedure; and when a create dedicated bearer request has been received from a PDN gateway, creating a dedicated bearer for the UE using the NAS connection. According to the present disclosure, it is able to create a radio bearer based on the practical need, and prevent the occurrence of a waste of air interface resources caused when the MME requests an eNB to create a user plane radio bearer in the TAU procedure, thereby to solve the problem in the related art where the waste of the air interface resources is caused by a dedicated bearer creation scheme.
Inventors:
Wang Husei
Application Number:
JP2020528038A
Publication Date:
March 22, 2022
Filing Date:
September 10, 2018
Export Citation:
Assignee:
DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
International Classes:
H04W76/10; H04W8/02; H04W36/14; H04W88/16
Other References:
Nokia, Nokia Shanghai Bell,TS 23.502: OI#20 - Idle mode mobility call flow - 5G - 4G[online],3GPP TSG SA WG2 #123 S2-177642,Internet,2017年10月23日
NTT DOCOMO, Qualcomm Inc.,,Single-registration with no Nx[online],3GPP TSG SA WG2 #122 S2-174568,Internet,2017年06月20日
NTT DOCOMO, Qualcomm Inc.,,Single-registration with no Nx[online],3GPP TSG SA WG2 #122 S2-174568,Internet
Attorney, Agent or Firm:
Patent Business Corporation Shinei Patent Office