RRC connection reconstruction method, RRC connection recovery method, computer readable storage medium, and base station

A connection reestablishment and connection recovery technology, applied in the communication field, can solve the problems of high cost and the network cannot provide better services for the UE, and achieve the effect of saving signaling overhead

Active Publication Date: 2019-03-29
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The introduction of 5G requires operators to update the existing access network and core network, which requires a high cost
When the UE in the connected state triggers RRC connection re-establishment, accor

Method used

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  • RRC connection reconstruction method, RRC connection recovery method, computer readable storage medium, and base station
  • RRC connection reconstruction method, RRC connection recovery method, computer readable storage medium, and base station
  • RRC connection reconstruction method, RRC connection recovery method, computer readable storage medium, and base station

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Embodiment Construction

[0043]Take the LTE core network as an example when the UE initially establishes an RRC connection and data wireless bearer, the UE accesses a cell under the jurisdiction of the base station to establish an RRC connection, and the base station selects the LTE core network for the UE. The base station sends Non-Access Stratum (Non-Access Stratum, NAS) signaling to the 4G core network. The LTE core network authenticates the UE, and at the same time allocates configuration parameters for establishing an evolved radio access bearer (E-UTRAN Radio Access Bearer, E-RAB), and sends it to the base station through an initial context establishment request.

[0044] After receiving the initial context establishment request sent by the LTE core network, the base station allocates configuration parameters such as Data Radio Bearer (DRB) for the UE, and sends the allocated related configuration parameters to the UE through an RRC connection reconfiguration message. After receiving it, the UE...

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Abstract

The invention provides an RRC connection reconstruction method, an RRC connection recovery method, a computer readable storage medium, and a base station. The reconstruction method comprises the following steps: when an RRC connection reconstruction request sent by UE is received, obtaining state information of a currently connected core network; judging whether to adjust the UE to access the corenetwork according to the obtained state information of the core network; and reconstructing an RRC connection with the UE based on the judgment result. By application of the above scheme, when the UEtriggers the RRC connection reconstruction, better network service can be provided for the UE.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to an RRC connection reestablishment method, a recovery method, a computer-readable storage medium and a base station. Background technique [0002] Currently, a long term evolution (Long Term Evolution, LTE) base station is usually connected to an LTE core network (EPC). With the continuous development of mobile communication, the fifth generation mobile communication (5G) technology, that is, the new radio (New Radio Access Technology in 3GPP, NR) technology with larger data capacity and faster data processing speed, can satisfy users The demand for larger data volumes and the response to smaller transmission delays. [0003] The introduction of 5G requires operators to update the existing access network and core network, which requires a high cost. In order to reuse existing radio access network equipment (i.e. base stations) as much as possible, operators expect LTE bas...

Claims

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Application Information

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IPC IPC(8): H04W76/19
CPCH04W36/0033H04W36/0055H04W36/14H04W36/30
Inventor 邓云
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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