| After years of restructuring of several operators, competition in the telecommunications industry has been dominated by the nobility into the situation in the Three Kingdoms, the shrinking fixed line, mobile business development, the focus of competition has entered the field of 3G mobile. Three operator providers are facing many challenges, such as how to enhance the company's business income, while saving marketing costs, and can enhance customer loyalty. Many challenges in the mobile market, rejoin network is particularly important to the three major network operators are headache, that mobile users already have one or more mobile service number with the case, to use a new number and join network, the new number will replace all or part of the business use of the original old number. The phenomenon of rejoin network usually presents a high rate, while the operator's churn rate is also high, making the business operators a "great quantities" phenomenon. Network operators to maintain a high rate of channel sales have increased costs, increase channel development commission, the user's network will be invalid per weight increase the company's network fees, operating costs, while re-occupation of a large number of network operators, users turn The number of existing resources, resulting in increasingly tense number of resources, unnecessarily increase the number of resource expenditure operators.This paper analyzes the phenomenon of the existence of rejoin network background and present situation of using IMEI, call fingerprints, data marts and other ideas, deployment the mobile users rejoin network analysis system to identification of rejoin network users, precise positioning rejoin network users. Rejoin network users by identifying the results of follow-up, including business analysis, VIP analysis, CRM, decision support systems, and many other professional analysis provide the basis for user data, while changes in the market to discover the laws of the industry, user distribution, decision-making and targeted for the company to provide data based on business sales, network and then control the proportion of rejoin network mobile users to enhance customer loyalty in the network. |