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Main carrier optimal selection method and device in multi-carrier hybrid configuration mode

A technology of configuration mode and optimization selection, applied in electrical components, wireless communication and other directions, can solve the problem of not being able to select the optimal target primary serving cell, and the RRM handover algorithm does not consider the multi-carrier hybrid working mode.

Inactive Publication Date: 2011-12-21
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] In view of this, the main purpose of the present invention is to provide a method and device for optimizing the selection of the main carrier in the multi-carrier mixed configuration mode, which is used to solve the problem of reselection due to the fact that the existing RRM handover algorithm does not consider the multi-carrier mixed working mode. Or the problem that the optimal target primary serving cell cannot be selected according to the multi-carrier capability of the UE during handover

Method used

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  • Main carrier optimal selection method and device in multi-carrier hybrid configuration mode
  • Main carrier optimal selection method and device in multi-carrier hybrid configuration mode
  • Main carrier optimal selection method and device in multi-carrier hybrid configuration mode

Examples

Experimental program
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Embodiment 1

[0067] Such as image 3 As shown, the network is configured with 4C-HSDPA mode in the areas served by Cell0-C, Cell1-C, Cell2-C, and Cell3-C; in the areas served by Cell1-B, Cell2-B, and Cell3-B, 3C is configured -HSDPA mode; in the area served by Cell2-A and Cell3-A, DC-HSUPA mode is configured; in the area served by Cell0-B, Cell0-A, and Cell1-A, SC-HSUPA mode is configured. During a UE call with UE-MCmax=4, the UE is initially in the area of ​​NW-MCmax=4, and selects F0 as its main carrier plane, so Cell0-C is its main serving cell, Cell1-C, Cell2 -C, Cell3-C is the secondary serving cell, UE-MCop=4, and uplink data transmission occurs on carrier planes F0 and F1. Subsequently, the UE moves to the left and is about to enter the B-series cell area. In the B series cell area, Cell0-B(NW-MCmax=1), Cell1-B(NW-MCmax=3), Cell2-B(NW-MCmax=3), Cell3-B(NW-MCmax=3) All are the candidate target main serving cells that meet the conditions, according to the algorithm of the present i...

Embodiment 2

[0070] Such as Figure 4 As shown, the network is configured with 4C-HSDPA mode in the areas served by Cell0-C, Cell1-C, Cell2-C, and Cell3-C; in the areas served by Cell0-B, Cell1-B, and Cell2-B, 3C is configured -HSDPA mode; in the area served by Cell2-A and Cell3-A, DC-HSUPA mode is configured; in the area served by Cell3-B, Cell0-A, and Cell1-A, SC-HSUPA mode is configured. During a call with a UE with UE-MCmax=4, the UE is initially in the area of ​​NW-MCmax=2, and selects F3 as its main carrier plane, so Cell3-A is its main serving cell, and Cell2-A is its main carrier plane. In the secondary serving cell, UE-MCop=2, uplink data transmission occurs on carrier planes F2 and F3. Subsequently, the UE moves to the right and is about to enter the B-series cell area. In the B series cell area, Cell0-B(NW-MCmax=3), Cell1-B(NW-MCmax=3), Cell2-B(NW-MCmax=3), Cell3-B(NW-MCmax=1) All are candidate target primary serving cells that meet the conditions. According to the algorithm...

Embodiment 3

[0073] Such as Figure 5As shown, in the C series of cells, only Cell4-C and Cell5-C serve the area, and the DC-HSUPA mode is configured, and the remaining C cells are configured with SC-HSUPA mode; in the B series of cells, Cell4-B, Cell5-B, Cell6-B, and Cell7-B service areas are configured with 4C-HSDPA mode, and DC-HSUPA mode is configured in other B cells; in the A series of cells, Cell0-A, Cell1-A, Cell2-A In the service area, 3C-HSDPA mode is configured, and SC-HSUPA mode is configured in the remaining A cells. During a UE call with UE-MCmax=4, the UE is initially in the area of ​​NW-MCmax=3, and selects F0 as its main carrier plane, so Cell0-A is its main serving cell, Cell1-A, Cell2 - A is its secondary serving cell, UE-MCop=3, and uplink data transmission occurs on carrier planes F0 and F1. Subsequently, the UE moves to the right and is about to enter the B-series cell area. In the B-series cell area, all B cells are candidate target primary serving cells that meet...

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Abstract

The present invention discloses a method and device for optimally selecting a primary carrier in a multi-carrier mixed configuration mode, which is used to solve the problem that the existing RRM handover algorithm does not take into account the multi-carrier mixed working mode, resulting in that the reselection or handover cannot be performed according to the UE's The problem of selecting the optimal target primary serving cell for multi-carrier capability. During reselection or handover in the present invention, the candidate target cell whose multi-carrier capability dimension of the cell is greater than or equal to the UE multi-carrier capability dimension is preferentially selected as the final target primary serving cell of the UE, and the multi-carrier capability dimension of the cell is greater than or equal to the UE multi-carrier capability Among the candidate target cells in the dimension, the cell that is in the same primary carrier plane as the current UE is further preferentially selected as the final target primary serving cell of the UE, so as to optimize the selection of the primary carrier that is conducive to the multi-carrier capability of the UE and give full play to the multi-carrier of the UE. Function.

Description

technical field [0001] The present invention relates to a wireless communication system, in particular to a method and device for optimally selecting a main carrier in a multi-carrier mixed configuration mode. Background technique [0002] Between network element A and network element B, in a certain communication period, in order to increase the data transmission rate, multiple carriers are configured. The signal of network element A is transmitted to network element B through N (N>1) carriers, and the signal of network element B is transmitted to network element A through M (M>1) carriers at the same time. Among the N carriers of network element A, if a certain carrier transmits signals controlling all or part of the carriers of network element A, or transmits signals controlling all or part of the carriers of network element B, or is constrained by a specific relationship, This carrier is defined as the primary carrier of network elements A to B, and carriers other...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/30H04W36/00
Inventor 杨立贺美芳
Owner ZTE CORP
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