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Apparatuses and methods for multi-radio access technology (RAT) coordination

A technology for radio access and user equipment, applied in wireless communication, electrical components, connection management, etc., can solve problems such as user service interruption, and achieve the effect of improving stability and user experience

Pending Publication Date: 2021-07-23
MEDIATEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, reestablishing the connection needs to span different RATs
That is, a Protocol Data Unit (PDU) session or Packet Data Network (PDN) connection may not be preserved, or the mobile phone may need to reconnect or register to the first PLMN using SIM1, so the user may Will experience significant service disruption

Method used

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  • Apparatuses and methods for multi-radio access technology (RAT) coordination
  • Apparatuses and methods for multi-radio access technology (RAT) coordination
  • Apparatuses and methods for multi-radio access technology (RAT) coordination

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Embodiment Construction

[0037] The following description is done for the purpose of illustrating the general principles of the invention and should not be considered limiting. It can be understood that the embodiments of the present invention can be realized by software, hardware, solid state or any combination thereof. When the terms "comprising" and / or "comprising" are used herein, it specifies the presence of stated features, integers, steps, operations, components and / or components, but does not exclude the presence or addition of one or more other features, integers , Step, Action, Component, Component, and / or Group.

[0038] figure 1 It is a block diagram of a mobile communication environment described according to an embodiment of the present invention.

[0039] like figure 1 As shown, a mobile communication environment 100 includes a UE 110 and two serving networks 120 and 130 .

[0040] The UE 110 may be a feature phone, a smart phone, a tablet personal computer (Personal Computer, PC)...

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Abstract

The present invention provides user equipment (UE) including a wireless transceiver and a controller. The wireless transceiver performs wireless transmission and reception to and from a first service network utilizing a first RAT or a second service network utilizing a second RAT. The controller sends an indicator of a connection release request to the first service network via the wireless transceiver in response to terminating a first communication service with the first service network or in response to leaving the first service network for the second service network. Also, the controller releases a Radio Resource Control (RRC) connection with the first service network after sending the indicator of the connection release request.

Description

[0001] cross reference [0002] This application claims priority to U.S. Provisional Patent Application No. 62 / 957,955, filed January 7, 2020, and U.S. Patent Application No. 17 / 123,296, filed December 16, 2020, above The patent application is hereby incorporated by reference. technical field [0003] The present invention generally relates to mobile communication, and more specifically, relates to a device and method for coordination of multiple radio access technologies (Radio Access Technology, RAT). Background technique [0004] In a typical mobile communication environment, a user equipment (User Equipment, UE) (also called a mobile station (MobileStation, MS)), such as a mobile phone (also called a mobile phone), or a tablet personal computer (Personal Computer) with a wireless communication function , PC) that can communicate voice and / or data signals with one or more service networks. Communication between the UE and the serving network can be performed using vari...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W36/14H04W36/16H04W76/27H04W76/30
CPCH04W76/30H04W76/27H04W36/144H04W36/00224H04W76/38H04W88/06H04W8/183
Inventor 皇甫建君蔡俊帆傅宜康张晋嘉
Owner MEDIATEK INC