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Management method and system for neighbor information

A technology of neighboring cell information and management method, applied in the field of neighboring cell information management method and system, can solve the problem of not being able to discover and add new neighboring cell information in time, etc.

Inactive Publication Date: 2013-03-27
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the prior art, the ANR function utilizes the UE in the radio resource control (RRC, Radio Resource Control) connection state to detect new neighbor cells and report the neighbor cell information. Restricted by conditions such as the number of edge UEs, UE capabilities (for example, the UE must support long DRX cycles or related ANR measurements), and the occurrence of other processes may affect the UE's detection or reporting of the neighbor cell information of the new neighbor cell, thus resulting in the current Existing technologies sometimes fail to discover and add new neighborhood information in time

Method used

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  • Management method and system for neighbor information

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Embodiment 1

[0051] The present invention is described by taking the case where the UE reselects from other E-UTRAN cells to the current E-UTRAN cell as an example, refer to figure 1 Process shown:

[0052] Step 101A, the UE reselects to the current E-UTRAN cell from other E-UTRAN cells; wherein, the other E-UTRAN cell may be the same-frequency or different-frequency neighboring cell of the current E-UTRAN cell;

[0053] Step 102A, the ENB sends downlink air interface signaling information to inform the UE of the neighbor cell information of the cell the UE is currently camping on;

[0054] Step 103A, the ENB sends a downlink air interface signaling message to inform the UE of the instruction to report neighbor cell information;

[0055] Step 104A, the UE determines that the previously camped cell is not in the neighbor cell list of the currently camped cell, and then reports the high-level cell information and physical layer cell parameters of the cell to the ENB through an uplink air in...

Embodiment 2

[0059] The present invention is described by taking the case where the UE reselects from the UTRAN cell to the current E-UTRAN cell as an example, refer to figure 1 Process shown:

[0060] Step 101B, the UE reselects from the UTRAN cell to the current E-UTRAN cell;

[0061] The UTRAN cell may be a frequency division duplex UTRAN (UTRAN-FDD, UTRAN Frequency Division Duplexing) cell, or may be a time division duplex UTRAN (UTRAN-TDD, UTRAN Time Division Duplexing) cell.

[0062] Step 102B, the ENB sends a downlink air interface signaling message to inform the UE of the neighbor cell information of the current cell;

[0063] Step 103B, the ENB sends a downlink air interface signaling message to inform the UE of the instruction to report neighbor cell information;

[0064] In step 104B, the UE determines that the previously camped cell is not in the neighbor cell list of the currently camped cell, and then reports the high-level cell information and physical layer cell parameter...

Embodiment 3

[0068] The present invention is described by taking the case where a UE reselects from a Global System For Mobile Communications (GSM, Global System For Mobile Communications) cell to a current E-UTRAN cell as an example. figure 1 Process shown:

[0069] Step 101C, the UE reselects from the GSM cell to the current E-UTRAN cell;

[0070] Step 102C, the ENB sends a downlink air interface signaling message to inform the UE of the neighbor cell information of the current cell;

[0071] Step 103C, the ENB sends a downlink air interface signaling message to inform the UE of the instruction to report neighbor cell information;

[0072] In step 104C, the UE determines that the previously camped cell is not in the neighbor cell list of the cell currently camped on, and then reports the high-level cell information and physical layer cell parameters of the cell to the ENB through an uplink air interface signaling message;

[0073] The high-level cell information of the previously campe...

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Abstract

The invention discloses a management method for neighbor cell information. The method includes: re-selecting a cell residing in an E-UTRAN (evolved universal terrestrial radio access network) by UE (user equipment), determining the cell previously residing is out of a neighbor list of a current residing cell, reporting information of the current residing cell to an ENB (evolved node B), and adding lacked neighbor information to the neighbor list of the current residing cell of the UE by the ENB. The invention further provides a management system for neighbor cell information. By the use of the management method and system for neighbor information, lacked neighbor relation can be added timely, neighbor detecting and reporting load of the UE is relieved, capability of acquiring high-level neighbor information by a network side is increased, call-drop resistance of the system is further improved, and the system's capability of maintaining device call continuity is improved.

Description

technical field [0001] The present invention relates to the field of wireless communication, and in particular, to a method and system for managing neighboring cell information. Background technique [0002] A basic function of a cellular mobile communication system is to ensure service continuity for mobile users, and handover of user equipment (UE, User Equipment) serving cells is the main means to ensure service continuity. In order to ensure that the UE at the serving boundary of the cell can switch to the neighboring cell with the best signal quality in a timely manner, the system needs to configure an adjacency relationship for each cell so that the wireless network can notify the UE of the neighboring cell information of the serving cell. After the UE measures the neighboring cells, it reports the measurement results. The wireless network side instructs the UE to switch to a certain neighboring cell. One of the neighboring cells is the neighboring cell with the best s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W36/04
CPCH04W36/0083H04W36/08H04W36/00835
Inventor 闫红超孙连翘贺美芳
Owner ZTE CORP
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