Optimization of wireless network in the early stage of TD-SCDMA Network)

1. Overview

TD-SCDMA Network Construction in the initial stage of optimization, its main purpose is to achieve network planning goals, find network coverage, service quality and other problems, and summarize the experience of network optimization, ensure the continuous development of network optimization, continuously improve the network quality and optimization level, so as to ensure the quality of network construction.

2. network optimization methods during the construction period

Because the TD-SCDMA network is a brand new network, there is no actual load, the network management side lacks the support of network performance statistics, the current optimization scope is also based on cluster optimization, therefore, the initial network optimization methods are mainly based on road test and analysis. Test the network coverage performance, access performance, and mobility management capabilities, such as switching metrics, when providing different business types.

Similar to 2G network, in the current road test optimization process, the use of tools mainly consists of road test software, such as Sun-news NP3G TD-SCDMA testing system; test mobile phone, such as Datang DTM8101 mobile phone; ordinary commercial terminals, as well as laptops and commonly used FTP software.

3. Preparations before optimization

3.1 base station Verification

Due to the special nature of the test network, hardware in the optimization area should be checked before network optimization starts, including single-site verification to ensure normal operation of the base station, this ensures normal network optimization and prevents single-site problems from affecting the network performance of the entire cluster.

These tasks mainly include: single-site antenna system check and adjustment; single-sector basic function test; single-site coverage test; cell power test.

3.2 parameter verification

Before optimizing the network, you must check the wireless parameters. The main tasks include neighbor configuration, power configuration of the Pilot Channel and other channels, scrambling code configuration, and switching threshold parameter configuration. Discovering and solving problems in advance through wireless parameter checks can improve the efficiency of network optimization.

In general, the parameter check before optimization focuses on checking the configuration of the neighboring area list based on the network topology; the cell consistency check includes the consistency of the power configurations of all the cell guide channels and other channels, the scrambling code configuration, and the switching threshold parameter configuration.