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Method for reducing call connection establishment delay and electronic device

A call connection and delay technology, applied in connection management, wireless communication, electrical components, etc., can solve the problems of UE not being able to send and taking a long time, so as to reduce delay and improve user experience

Pending Publication Date: 2020-12-15
ZTE CORP
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the DRB establishment process between the user equipment (User Equipment, UE) and the 5G base station (gNB) is established or modified through the radio resource control (Radio Resource Control, RRC) message, and the voice-related DRB is established The RRC reconfiguration completion signaling of the default bearer of 5QI5 or the establishment of a dedicated bearer of 5QI1, these signalings cannot be sent to the base station by the UE before the wake-up time period after Discontinuous Reception (DRX) is enabled, or DCI is lost The UE cannot send to the base station, which leads to the problem that the UE takes too long in the call connection process

Method used

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  • Method for reducing call connection establishment delay and electronic device
  • Method for reducing call connection establishment delay and electronic device

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Embodiment 1

[0019] The numbers listed in the embodiments are just examples and do not constitute specific limitations.

[0020] When the pre-scheduling switch for 5QI5 establishment is turned on, the PDU bearer establishment detection is performed to determine whether the 5QI1 bearer or the 5QI5 bearer is established. It can be predicted in advance that the UE will send an uplink RRC signaling message for RRC reconfiguration response or RRC recovery completion.

[0021] When it is detected that the 5QI5 bearer is established, the 5QI5 bearer pre-scheduling is performed. Since the scheduling request (Scheduling Request, SR for short) sent by the UE may be missed, the pre-scheduling is performed according to the period preset by the timer by setting the timer. Wherein, the preset period is an adjustable and short period to ensure that the signaling can be scheduled in time, for example, it may be 5ms. Granting resources to the UE periodically within a certain period of time can ensure that...

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Abstract

The invention discloses a method for reducing call connection establishment delay and an electronic device. The method comprises the following steps: carrying out PDU bearer establishment detection; and after it is detected that the 5QI bearer is established, performing uplink pre-scheduling on the UE. According to the method, the access and answering time delay of the UE in the 5G voice call canbe reduced, and the user experience is improved.

Description

technical field [0001] The present inventor relates to 5G mobile communication technology, in particular to a method for reducing call connection establishment delay. Background technique [0002] In order to support service flexibility and high-speed data transmission, Layer 2 is modified in the fifth generation mobile communication system, and a Service Data Adaptation Protocol (SDAP for short) module is added. According to the description of the Next Generation Radio Access Network (NG-RAN for short) general specification TS38.300 provided by the 3rd Generation Partnership Project 3GPP, in LTE, the Packet Data Convergence Protocol (PDCP for short) ) layer uses a radio access bearer management layer (RadioAccess Bearer Manager, RABM for short), and this module mainly maps different service data to different data radio bearer resources. However, in the 5G system, the SDAP module does not simply replace the RABM module in the 4G LTE era, and there is an essential difference...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/12H04W76/12H04W76/27
CPCH04W76/12H04W72/1268H04W76/27
Inventor 徐飞
Owner ZTE CORP
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