Double-connection radio bearer migration treatment method, double-connection radio bearer migration method and double-connection radio bearer migration device

A technology of wireless bearer and processing method, applied in the field of communication, can solve problems such as key leakage security, and achieve the effect of improving security

Active Publication Date: 2014-12-17
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Aiming at the security issues caused by key leaks in the process of dual-connection radio bearer migration between base stations in the related art, the pr

Method used

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  • Double-connection radio bearer migration treatment method, double-connection radio bearer migration method and double-connection radio bearer migration device
  • Double-connection radio bearer migration treatment method, double-connection radio bearer migration method and double-connection radio bearer migration device
  • Double-connection radio bearer migration treatment method, double-connection radio bearer migration method and double-connection radio bearer migration device

Examples

Experimental program
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Effect test

Embodiment 1

[0069] Such as Figure 12 As shown, the UE maintains dual connectivity with the master base station (ie MeNB) and the secondary base station (ie SeNB,), where the MeNB wishes to migrate the A bearer (its data radio identifier is 1) on the base station to the SeNB.

[0070] In step S1202, the MeNB initiates a modification request to the SeNB, which carries the configuration information of the A bearer that needs to be migrated, including the new data radio bearer identifier assigned to it, assuming that the new data radio bearer identifier is 2. The MeNB needs to ensure that the data radio bearer identity 2 has not been used.

[0071] In step S1204, the SeNB generates a modification request response message according to the instruction of the MeNB.

[0072] In step S1206, the MeNB sends a reconfiguration command to the UE according to the modification request response message, which instructs the UE to migrate the A bearer to the SeNB and allocates a new data radio bearer iden...

Embodiment 2

[0077] Such as Figure 13 As shown, the UE maintains dual connectivity with the primary base station (ie MeNB) and the secondary base station (ie SeNB), where the B bearer on the SeNB is previously migrated from the MeNB, and the keys on the MeNB and the SeNB are KeNB1 and S-KeNB1 respectively. During the transmission process carried by B on the SeNB, its PDCP COUNT count value is reversed, and at the same time, the key on the SeNB is changed to become S-KeNB2. However, due to other reasons (for example, the load on the SeNB is too high), the SeNB wishes to re-migrate the B bearer (its data radio identifier is 1) on the base station to the MeNB.

[0078] In step S1302, the SeNB sends a modification request message to the MeNB, which carries the B bearer configuration information that needs to be relocated.

[0079] Step S1304, the MeNB generates a reconfiguration command to the UE according to the bearer relocation request message, which carries the new configuration informat...

Embodiment 3

[0085] Such as Figure 14 As shown, the UE maintains dual connectivity with the master base station (ie MeNB) and the secondary base station (ie SeNB,), where the SeNB wishes to exit the upper connection (ie be deleted) due to load or other reasons, and wirelessly transmit all data on the SeNB base station The bearer (whose data radio identifier is 1) is migrated to the MeNB.

[0086] In step S1402, the SeNB sends a release request message to the MeNB, which carries configuration information of all data radio bearers that need to be relocated.

[0087] Step S1404, the MeNB generates a reconfiguration command to the UE, which carries new configuration information of all or part of the data radio bearers on the SeNB on the MeNB, including the data radio bearer identifier re-allocated by the MeNB for all or part of the data radio bearers on the SeNB . The MeNB needs to ensure that the newly allocated data radio bearer identity is different from the data radio bearer identity us...

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Abstract

The invention provides a double-connection radio bearer migration treatment method, a double-connection radio bearer migration method and a double-connection radio bearer migration device. The double-connection radio bearer migration treatment method comprises the following steps of distributing new data wireless bearer marks for a data wireless bearer to be migrated by using a main base station; and transmitting information for informing user equipment of migrating the data wireless bearer towards the user equipment by using the main base station. The new data wireless bearer marks are different from data wireless bearer marks used by the main base station and data wireless bearer marks used by a slave base station; and the information carries the new wireless bearer marks. According to the technical scheme, the problem that the safety is low due to the fact that a secret key of a double-connection wireless bearer is exposed in a process of migration between the base stations in the prior art is solved, and the safety of the double-connection bearer of a terminal is improved.

Description

technical field [0001] The present invention relates to the communication field, in particular to a dual connectivity radio bearer migration process, migration method and device. Background technique [0002] With the continuous evolution of wireless communication technologies and standards, mobile packet services have been greatly developed, and the data throughput capability of a single terminal is constantly improving. Taking the Long Term Evolution (LTE) system as an example, it can support data transmission at a maximum downlink rate of 100 Mbps within a 20M bandwidth. In the subsequent enhanced LTE (LTE Advanced) network, the data transmission rate will be further improved, and even up to 1Gbps. [0003] The existing LTE user plane data protocol stack such as figure 1 As shown in FIG. Through Packet Data Convergence Protocol (Packet Data Convergence Protocol, referred to as PDCP) sublayer, radio link control (Radio Link Control, referred to as RLC) protocol sublayer...

Claims

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Application Information

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IPC IPC(8): H04W36/08H04W36/28
CPCH04W36/08H04W36/28
Inventor 和峰杜忠达
Owner ZTE CORP
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