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How to optimization and improve the coverage and quality of the highway communication network has always been a significant challenge to the mobile network operators.However,the traditional Drive Test method is inefficient while the cost is very high.An assessing method based on signaling analysis along highway network services was presented in this thesis.Data mining technique was utilized to collect signaling data from Core Network (CN).Combining with the highway users characteristics, an analyzing method on cell sequence along highway would be built up, and mined data of the users sigaling.Additionally, based on signaling analysis, a quality assessing system was set up for optimizing communication quality along highways.