Research Of The Technology In GSM System Testing

In management of Radio transmitter-receiver, GSM base has the characters of great numbers, lots equipment and wide distributing. The eligibility situation of transition standard is related to the using effective and sufficient of radio spectrum resource. Also, it is related to the legality rights protection of business and consumers in mobile communications. In addition, it is related to others radio operations will process normally or not in frequency segment of disturbing, which caused by GSM base transition equipments.Firstly, this paper researched the test system of GSM mobile communication base station, analyzed testing project of GSM launching device for wireless. Secondly, this thesis analyzed and calculated measurement uncertainty of every testing index in GSM system. Measurement uncertainty characterized rate of divergence of the measurement results, and it is an important index of evaluation measuring level and accuracy of measurement. As a result, measurement uncertainty has an important influence on credibility, comparability and acceptability of measurement results. In addition, the paper analyzed testing uncertainty calculation method of every testing index in GSM system, based on building testing general model of transmitter and calculation model of mismatching uncertainty.With theoretical analysis and experiment, and combined present situation of radio management and the author’s working experience, this paper discussed practical process and result of GSM testing, found out a reasonable testing theory and method. By practical proof in five areas of Shaanxi, this method accords to practice workings, is worth popularizing in testing working of GSM mobile communication base station.