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A mobile communication system handover control method

A technology of a mobile communication system and a control method, which is applied in the field of handover control of a mobile communication system, can solve problems such as dropped calls, and achieve the effects of improving handover success rate, reducing handover time delay, and reducing handover call drop rate

Inactive Publication Date: 2011-12-21
SOUTH CHINA UNIV OF TECH
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AI Technical Summary

Problems solved by technology

[0006] (1) Traditional handover algorithm: When the signal strength received from the adjacent base station is greater than the signal strength received from the serving base station, the mobile station terminal will initiate a handover measurement request to the base station controller. If the base station controller issues a handover command, the system The handover request will be processed. When the target base station is in a busy period and the network is congested, the handover call will be forcibly interrupted, resulting in call drop

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  • A mobile communication system handover control method
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  • A mobile communication system handover control method

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Embodiment Construction

[0049] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only an illustration of the present invention.

[0050] An embodiment of the present invention provides a mobile communication system handover control method, which can avoid handover to a target cell with insufficient available resources, excessive interference, or poor communication link quality, so as to reduce handover delay, improve handover success rate, and reduce handover loss. The purpose of speaking rate.

[0051] Figure 4 It is a schematic flow chart of the handover control method of the embodiment of the present invention, specifically including steps:

[0052] Step 1. After the macro cellular network is initialized, a neighboring cell information list is generated and periodically maintained in each RNC. The neighbor cell ...

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Abstract

The invention discloses a control method for switching of a mobile communication system. The method uses the framework characteristic of a TD-SCDMA (time division-synchronization code division multiple access) system, RNCs (radio network controllers) can interact information such as state information, load information and interference information of the resource and the like by an Iur interface or a CN (communicating net), and each RNC can maintain an information list of the neighboring area in real time. According to a measuring result reported by UE (user equipment) and the information list of the neighboring area maintained by the RNC, the RNC can select the optimal target cell on the basis of a certain criterion and algorithm so as to avoid switching to a target cell with insufficient available resource, too big interference or bad communication link quality, thus the purposes of reducing switching delay, improving switching success rate and reducing switching drop call rate can be achieved.

Description

technical field [0001] The invention relates to the field of wireless communication networks, and mainly relates to an improved method for switching control of a mobile communication system. Background technique [0002] Time Division-Synchronous Code Division Multiple Access (TD-SCDMA) is a 3G wireless transmission scheme for the third generation mobile communication system submitted by China to the International Telecommunications Union (ITU) in 1998. It is a brand new mobile communication system that adopts TDD mode. At the same time, a series of high technologies such as synchronous CDMA, smart antenna, software radio, relay switching and dynamic channel allocation are adopted. Compared with WCDMA and CDMA2000, TD-SCDMA has obvious advantages such as no need for paired frequency bands, high spectrum utilization, strong flexibility, suitable for symmetrical and asymmetrical data services, and low cost of system equipment. [0003] Handover technology is a research hotspo...

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Application Information

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IPC IPC(8): H04W36/08H04W36/24H04W36/34
Inventor 黄妙娜冯穗力柯峰刘圣海耿恒信陈军
Owner SOUTH CHINA UNIV OF TECH
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