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There are many uncertainties in mobile communication, and these factors have a great impact on mobile communication networks. Thus the continuous network optimization is needed to improve the reliability and availability of the mobile network. It not only improves the quality of services for end users but also brings significant and long term economic benefits for the mobile service providers and the whole industry.
Mobile communication network becomes more and more complex and operators are providing full services to the end users. But problems arise:
l Bad mobile communication signal distribution
l Low rate of call setup, High rate of call drop
l Low quality of voice and data services
l Customers’ complaint concentrated upon indoor coverage
To solve these problems, the mobile networks should be carefully assessed, evaluated and tested and afterwards take optimization engineering to have better outdoor/indoor coverage to improve the performance of the networks and reduce the end customers' complaint. To achieve this goal, 3 main tasks need to be executed:
l DT and CQT assessment for voice and data services of 2G/3G/4G and futrue 5G networks
l Test data analysis and optimization planning
l Network coverage optimizing (Outdoor and Indoor Distribution)
Solution
The Indoor Distribution System (IDS) can comprehensively improve the voice and data communication quality within the buildings e.g. residential houses, offices, malls, stadium, airport and underground parking etc. The use of micro cell can share the outdoor macro cell traffic to expand network capacity, reduce the network congestion, and improve the overall mobile network service level. IDS can adopt different types according to different scenarios:
◆ Passive RF IDS
The passive RF IDS and MDAS are often used by the global mobile network operators:
l Signal source: BTS/eNode B/Micro Cell/BBU+RRU/Repeater
l Main components: combiner, coupler, splitter, duplexer, attenuator,
load, omni indoor antenna, panel antenna, RF cable etc.
l Signal source: BTS/eNode B/Micro Cell/BBU+RRU/Repeater
l Main components: MAU, MEU, MRU, optical fiber, RF cable etc.
Typical scenarios:
Underground Parking(Repeater)
CBD Office (MDAS)
Elevator(MRU/RRU)
Relies on the excellent ability of company's technical and service staff, Sunstar continuously improve the quality and efficiency of network optimizing services.
Planning and design of mobile communication network: capacity planning, network coverage and site planning, wireless parameter planning, survey design
Room engineering: planning, design, construction and maintenance of signal cover system for indoor and outdoor areas that are not covered with wireless signal or telephone traffic spots and offering complete solutions
Example 1: DT for outdoor coverage optimizing
Example 2:
Optimizing plan simulation for indoor distribution by using advanced indoor planning and optimizing tool combining with outdoor planning and optimizing tool to carry out an overall collaborative stereo scopic simulation.
Tools:
Network optimizing tools consist of dedicated hardware and software are used for simulation, test, analysis, planning and final optimization. Sunstar provides following tools and platforms for network optimizing.
Testing:
Signaling platform:
Planning and optmization:
• Centralized performance management platform
4F, Building 1, No.60 Naxian Road, Pudong District, Shanghai, China
Phone: 86-21-20599199
Fax: 86-21-20599198
E-mail: info@gtstar.com.cn
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