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A Method for Allocation of Serving Cell Index Values ​​in Dual Connectivity Networks

A technology of serving cells and allocation methods, applied in the directions of wireless communication, electrical components, etc.

Inactive Publication Date: 2019-02-05
POTEVIO INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since there are two eNBs (one MeNB and one SeNB) serving dual connectivity users at the same time, it is necessary to ensure that the serving cell indexes configured by the two base stations serving dual connectivity users cannot conflict, and the prior art has not Method for allocating secondary serving cell index in one eNB

Method used

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  • A Method for Allocation of Serving Cell Index Values ​​in Dual Connectivity Networks
  • A Method for Allocation of Serving Cell Index Values ​​in Dual Connectivity Networks
  • A Method for Allocation of Serving Cell Index Values ​​in Dual Connectivity Networks

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Experimental program
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Embodiment 1

[0032] Embodiment 1: The MeNB allocates the secondary serving cell index, first allocates the secondary serving cell index and then adds the corresponding secondary serving cell.

[0033] The MeNB determines that the user needs to use the dual connectivity technology, then sends a request message for adding a serving cell to the SeNB that meets the conditions, and indicates the SCellIndex of the serving cell to be added when the MeNB requests the SeNB to add the serving cell. After making a decision, the SeNB identifies the cell satisfying the condition as the SCellIndex indicated by the MeNB, and feeds back its radio resource configuration information to the MeNB.

[0034] The signaling process of Embodiment 1 of this application is as follows figure 2 shown, including the following steps:

[0035] Step 201: The macro base station judges that service bearer needs to increase cell resources of the micro base station, and the macro base station sends a SeNB Addition Request (...

Embodiment 2

[0043] Embodiment 2: MeNB allocates the secondary serving cell index, first adds the secondary serving cell and then allocates the secondary serving cell index.

[0044] The MeNB judges that the user needs to use the dual connectivity technology, and then sends a request message for adding a serving cell to the SeNB that meets the conditions, and the SeNB feeds back the wireless resource configuration information of the cells that meet the conditions to the MeNB after making a decision.

[0045]Embodiment 2 proposes that the MeNB receives the addition response message sent by the SeNB, needs to parse out the serving cell information configured by the SeNB for dual connectivity users, and allocate corresponding SCellIndex to these serving cells, and then the MeNB sends the resource information of the serving cell configured by the SeNB through the air interface It is delivered to the dual-connection user, and at the same time, the distribution result of the serving cell index un...

Embodiment 3

[0057] Embodiment 3: MeNB and SeNB coordinate to allocate serving cell index.

[0058] Since the MeNB and the SeNB serving the dual connectivity user in the dual connectivity network can configure up to 5 serving cells in total, the index range of the secondary serving cell is still (1-7). Embodiment 3 of the present application proposes: MeNB configures secondary serving cells belonging to MeNB in ​​the order from small to large within the range, and SeNB configures serving cells (including PSCell and secondary serving cells) belonging to SeNB in ​​descending order.

[0059] According to the third embodiment, for figure 2 or image 3 The flow shown is modified as follows: the SCellIndex sent by the MeNB to the SeNB is replaced with a value n, which is used to indicate that the number of cells that the SeNB can configure is n; The order of n assigns the serving cell index from the largest to the smallest. For example, the MeNB tells the SeNB that 2 serving cells can be conf...

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Abstract

The invention discloses a service cell index value allocation method in a dual-connection network. The method comprises the steps that a macro base station judges a service bearing need to increase cell resources of a micro base station; the macro base station sends a micro base station adding request to the micro base station, wherein service bearing characteristic parameters and auxiliary cell index values allocated to an added micro base station cell are carried; the service bearing characteristic parameters comprise E-RAB parameters, the transport network layer address information of a corresponding user plane, the radio resource information of the macro base station and user equipment radio capacity; the micro base station allocates added micro base station cell radio resources according to the service bearing characteristic parameters, and applies the auxiliary cell index values allocated by the macro base station to the added micro base station cell; and the micro base station sends an adding confirmation response message to the macro base station.

Description

technical field [0001] The present application relates to the technical field of wireless communication, and in particular to a method for allocating serving cell index values ​​in a dual connectivity network. Background technique [0002] Dual connectivity technology is introduced for scenarios where macro cells and small cells overlap and use the same or different frequencies, or only micro cells cover and the backhaul link between cells is not ideal. The meaning of dual connectivity is that the user is jointly provided with wireless resources by multiple network nodes with unsatisfactory backhaul links. That is, the user equipment (UE) has an air interface connection with the macro cell base station (MeNB) and the micro cell base station (SeNB) at the same time, which means that the MeNB and the SeNB can provide services for the user at the same time. figure 1 Shown is a schematic diagram of a typical dual-connection network architecture. [0003] Since the UE is connec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04
Inventor 高兴航陈喆
Owner POTEVIO INFORMATION TECH CO LTD