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Cell handover method, mobile communication system and mobile switching center

A mobile switching center and switching center technology, applied in the field of communication, can solve the problems that the cell switching process cannot be carried out, the mobile switching center cannot be uniquely determined, and the target cell cannot be uniquely determined, so as to optimize the cell switching process and improve the success rate.

Inactive Publication Date: 2010-03-03
ZTE CORP
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Problems solved by technology

[0006] Aiming at the problem in the related art that the mobile switching center cannot uniquely determine the target cell and the cell switching process cannot be carried out, the present invention proposes a cell switching method, which can clearly indicate the target cell and the virtual mobile switching center to which it belongs
[0007] Aiming at the problem in the related art that the mobile switching center cannot uniquely determine the target cell and the cell switching process cannot be carried out, the present invention proposes a mobile switching center that can clearly indicate the target cell and the virtual mobile switching center to which it belongs
[0008] In view of the problem in the related art that the mobile switching center cannot uniquely determine the target cell, resulting in the impossibility of the cell handover process, the present invention also proposes a mobile communication system that can clearly indicate the target cell and the virtual mobile switching center to which it belongs

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  • Cell handover method, mobile communication system and mobile switching center
  • Cell handover method, mobile communication system and mobile switching center
  • Cell handover method, mobile communication system and mobile switching center

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Embodiment Construction

[0036] Because the A-port protocol in the CDMA 2000 system and the TIA / EIA-41D protocol have different regulations on the uniqueness of the cell, the A-port protocol of the CDMA 2000 system uses MSCID+CI to uniquely identify a cell, while the MAP protocol of TIA / EIA-41D Only CI is used to uniquely identify a cell. In this way, during the message interaction process between MSCs (for example, MSC 1 and MSC 2, MSC 1 initiates a cell handover process to MSC 2), MSC 2 cannot determine which virtual MSC to use according to the cell identity in the request from MSC 1. The handover process initiated by the cell, especially in the case of repeated configuration of CIs under multiple virtual MSCs, will cause an error in the handover process of the cell and fail to proceed. Based on this, the present invention provides a cell handover method, through the pre-configured correspondence, so that the MSC 2 can uniquely determine the virtual MSC to which the target cell belongs according to ...

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Abstract

The invention discloses a cell handover method, a mobile communication system and a mobile switching center, wherein the method includes the following steps: a second mobile switching center receivesa handover request from a first mobile switching center, wherein the handover request carries a mark of a designated cell; and the second mobile switching center determines a virtual mobile switchingcenter and a target cell under the virtual mobile switching center that correspond to the combination of the office direction number of the first mobile switching center and the mark of the designatedcell. By configuring corresponding relation in the mobile switching center, a target mobile switching center can uniquely determine a target cell and the belonged virtual mobile switching center thereof according to the information carried in the handover request, thus being capable of realizing cell handover in an accurate range and improving the success rate of cell handover.

Description

technical field [0001] The invention relates to the communication field, in particular to a cell switching method, a mobile communication system and a mobile switching center. Background technique [0002] In the A port protocol of the Code Division Multiple Access (CDMA) 2000 system, the format of the global cell is stipulated: the mobile switching center ID (Mobile ServiceSwitch Center IDentity, MSCID) and the cell ID (Cell ID) are used. IDentity, CI for short) to identify a cell, that is, MSCID+CI will uniquely identify a cell. In this way, multiple MSCIDs can be configured in a mobile switching center (MSC for short), and each MSCID can identify a virtual MSC (also called a sub-MSC) under the MSC, and MSCID+CI is not Duplicate is allowed, where different MSCIDs can configure the same CI. [0003] In the MAP protocol of TIA / EIA-41D, the message format of the inter-office handover request (FacilitiesDirective2) is defined, wherein, the target handover cell (Target Cell I...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/04H04W72/04
Inventor 王振
Owner ZTE CORP
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