Design And Implementation For Module Of Dropped Calls In TD-SCDMA System

As a third-generation mobile communication technology standards with Chinese independent intellectual property rights,TD-SCDMA has been widely accepted and recognized internationally, and it has been officially business. In the strong support Government and operators, TD-SCDMA network construction work is in full swing. With the development of network construction, the testing of network quality has become the focus of the work, and Using drive test analysis software has become necessary to them a means of network optimization.As voice business is the most important part of the mobile business, QoE (the Quality of Experience) is one of the main criteria in evaluating the network quality. Therefore, the call drop test performance has been the focus of the work in the wireless network optimization testing, which could better reflect the users'experience, and the reasons for the dropped calls and quick solution is very necessary. In this context, this paper took "DESIGN AND IMPLEMENTATION FOR MODULE OF DROPPED CALLS IN TD-SCDMA SYSTEM" as the subject, starting from the theory to the design and implementation, finally verify the actual operation, and solve the causes of dropped calls in TD network.This article focuses on the module of dropped calls in TD-SCDMA drive test system. Mainly done the following work:1) Studied the call handling processes theoretically, and gave the definition of dropped calls, analyzed the causes of which and gave the corresponding solution.2) According to China Mobile's drive test specification, worked out the needs of dropped calls module, designed and implemented all of the reasons for dropped calls sub-module. 3) For statistical results, designed and implemented statistical reports in different formats.4) Take the module into applications on the TD networks, the results to accurately reflect the current network status, that our proposal is reasonable and effective to the China Mobile wireless network testing requirements.5) Summarized the characteristics of the module, and discussed the research directions in the futher.