Application of wireless communication system in engineering network optimization
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Wireless communication network optimization is a long-lasting systematic project. There are three main steps in wireless communication network optimization: data collection, performance analysis, implementation and testing of the optimization scheme. Collecting data refers to the collection of system data of network design goals, overall network operation and its engineering conditions. The purpose is to collect network…
1. Wireless communication network optimization
Wireless communication is a communication method that uses electromagnetic wave signals that can freely propagate in space to exchange information. Wireless communication mainly includes microwave communication and satellite communication. Microwave communication is a type of communication using radio waves, while satellite communication uses satellites as relay stations to establish microwave communication links with two or more adjacent earth stations or mobile bodies on the ground.
Wireless communication network optimization means that when the network is put into operation or a major change is made, only the base station equipment and cell parameters need to be properly adjusted and modified, so that the wireless communication network can achieve uniform coverage and reduce interference. Best communication quality.
2. The significance of wireless communication network optimization
Because the wireless method has many uncertain factors, and these factors have a great influence on the wireless communication network, the quality of its performance is the decisive factor of whether the user’s communication quality is good or bad. Therefore, network optimization is required when the radio wave propagation of the wireless communication network is unstable, the base station equipment changes, and the user’s demand for traffic and service quality increases;
In addition, network optimization is even more necessary when the wireless communication network has uneven coverage, poor voice quality, dropped calls, access failure, channel congestion and other faults. Only after continuous network optimization of the wireless communication network can the connection time of calls be reduced, the number of dropped calls be reduced, the quality of calls be improved, and the reliability and availability of the network be improved, which not only improves service quality for users, but also improves communication The business brings significant and long-term economic benefits.
3. Wireless communication network optimization steps
Wireless communication network optimization is a long-lasting systematic project. There are three main steps in wireless communication network optimization: data collection, performance analysis, implementation and testing of the optimization scheme.
Data collection refers to the collection of system data of network design goals, overall network operation and its engineering conditions, and its purpose is to analyze network performance and quality in a more targeted manner. There are two data collection methods: traffic data collection and drive test data collection.
Among them, the traffic data collection mainly includes network access performance data, channel connection rate, availability rate, congestion rate, drop rate, traffic conversion success rate, traffic statistics report chart, etc. Drive test data collection refers to qualitative and quantitative positioning of wireless communication network coverage, conversion, and quality status through drive test equipment.
Analysis performance refers to the effective analysis of the collected data through the above two data collection methods, so as to formulate a network optimization plan. The collected data mainly analyzes the communication network performance from four aspects: interference, dropped calls, conversion, and traffic balance. The failures that generally occur in wireless communication networks include: access failure, handover failure, call drop, and high error frame rate.
After analyzing the collected data, it is possible to know what causes these failures. The reasons for access failure are usually: coverage blind area, incorrect access parameter settings, insufficient power control, too long calling or called access time, pilot frequency pollution, long switch connection time, etc.; factors that cause handover failure There are unsatisfactory coverage effects, a lot of interference, improper resource allocation, incorrect setting of parameters in the consular area, etc.;
The faults that lead to dropped calls may be: coverage blind area, hardware failure, switching link failure, incorrect search window length setting, deep fading, shadow fading, other network interference, etc.; the reasons for the high frame error rate are: Forward/reverse traffic channel difference, forward/reverse link power control problem, pilot pollution, pilot signal difference, etc.
In addition, after analyzing the data about call interference, we can know that the GSM system is an interference-limited system. Interference increases error rates, further degrading the quality of voice calls.
Finally, after the performance analysis of the wireless network is complete, optimizations are implemented and tested. The implemented optimization schemes mainly include coverage optimization, equipment optimization, hardware system optimization, traffic optimization, interference signal analysis, network structure optimization, wireless parameter optimization, capacity optimization and consular area optimization. The wireless network must be re-tested after the optimization scheme is implemented. The focus of the test is to test the coverage, access, interference, dropped calls, and capacity in the wireless network.
Implementing and testing the wireless communication network optimization plan is a long-term and continuous cycle process. Only in the continuous cycle process can the network environment be continuously optimized, so that the quality of the wireless communication network can be continuously improved, maintain a good operating state, and provide users with the most High-quality services, thereby further improving the economic benefits of communications.
4 Conclusion
With the gradual increase of high-tech products, their quality requirements are also gradually improved. Improving the quality of the network has become the key to success. Therefore, the optimization of wireless communication networks has also become an indispensable and important work. This work can guarantee the development prospect of wireless communication network, can ensure better service for users, and thus achieve greater economic benefits.
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