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Paging failure processing method and base station

A processing method and technology of a base station, applied in the directions of wireless communication, electrical components, etc., can solve the problems of abnormal UE access process, different paging sending time, and different access delay of different grades of UE.

Active Publication Date: 2021-11-16
CHINA MOBILE COMM LTD RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, due to the different paging transmission times of different base stations and the different access delays of UEs of different classes, the UE may access neighboring base stations after the timer expires.
At this time, the neighboring base station will request UE data from the anchor base station, but the anchor base station has deleted the UE context, which makes the UE access process abnormal

Method used

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  • Paging failure processing method and base station
  • Paging failure processing method and base station
  • Paging failure processing method and base station

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0152] After the anchor base station fails to page the UE on the RAN side, it sends a UE unreachable message to the neighbor base station, such as Figure 8 As shown, the paging failure processing method in this embodiment includes:

[0153] The core network sends downlink data to the anchor base station;

[0154] After paging the UE fails, the anchor base station deletes the UE context, notifies the CN, and deletes the UE's core network connection at the same time;

[0155] The anchor base station notifies the adjacent base stations in the UE paging area that the UE is unreachable, and specifically can send a UE unreachable message to the adjacent base stations;

[0156] If the neighboring base station receives the connection request from the UE, the neighboring base station sends a UE connection rejection message to reject the UE's access, or the neighboring base station sends a UE connection establishment message to inform the UE to perform an idle state connection establi...

Embodiment 2

[0158] After receiving the UE data acquisition request from the neighboring base station, the anchor base station notifies the neighboring base station that the UE is unreachable, such as Figure 9 As shown, the paging failure processing method in this embodiment includes:

[0159] The core network sends downlink data to the anchor base station;

[0160] After paging the UE fails, the anchor base station deletes the UE context, notifies the CN, and deletes the UE's core network connection at the same time;

[0161] If the neighboring base station receives the connection request of the UE, the neighboring base station requests the anchor base station to obtain UE data, for example, sends a UE data obtaining request message, which carries the UE identity;

[0162] The anchor base station rejects the request, for example, sending a UE connection rejection message, which carries a cause value indicating that the UE is unreachable, or sends a UE unreachable message to a neighborin...

Embodiment 3

[0165] The anchor base station carries a timer in the paging message sent to the neighbor base station, such as Figure 10 As shown, the paging failure processing method in this embodiment includes:

[0166] The core network sends downlink data to the anchor base station;

[0167] The anchor base station sends a paging message to the neighboring base stations in the UE paging area, and the paging message carries a timer;

[0168] The neighboring base station sends a paging message and starts the timer;

[0169] If the neighboring base station receives the UE's connection request after the timer expires, the neighboring base station sends a UE connection rejection message to reject the UE's access, or the neighboring base station sends a UE connection establishment message to notify the UE to perform an idle state connection establishment process.

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Abstract

The invention provides a paging failure processing method and a base station, which belong to the technical field of wireless communication. The paging failure processing method applied to the base station includes: notifying the adjacent base station that the terminal is unreachable after the paging failure of a terminal or when receiving a request message from an adjacent base station requesting to obtain the information of the terminal. The paging failure processing method applied to adjacent base stations in the paging area of ​​the terminal includes: receiving terminal unreachable information sent by the base station, and rejecting the connection request of the terminal in deactivation state or light connection state. In the technical solution of the present invention, the base station can notify adjacent base stations after the paging terminal (UE) at the wireless side fails, so as to ensure that the UE access process does not appear abnormal.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a paging failure processing method and a base station. Background technique [0002] 5G (fifth generation mobile communication technology) introduces a new deactivation state. When the UE (user terminal) is in the deactivation state, there is no RRC (radio resource control) connection between the UE and the base station, but the anchor base station is still The UE context is reserved and the core network connection of the UE is maintained. The behavior of the RAN (Radio Access Network) side of the UE is similar to the idle state, while the core network is still in the connected state. At this time, if figure 1 As shown, if downlink data arrives, the core network will not trigger the paging process, but will continue to send data to the anchor base station, and the anchor base station will trigger the paging process to search for the UE in the paging area on the RA...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W68/02
CPCH04W68/02
Inventor 马慧陈卓
Owner CHINA MOBILE COMM LTD RES INST
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