Concentric Cell Technology In Jiaozuo Unicom Applied Reserch

With the rapid development of mobile communications, telecommunications terminal products continue to increase, the demand for network service is more and more high, the arrival of the era of3G to stimulate people to GSM business needs. Therefore, how to provide a high speed, high quality, a large capacity GSM network operators become faced the most pressing issue. From a theoretical perspective, when the site equipment capacity has been enlarged to the maximum, to solve the GSM network capacity is the most convenient method is adopted to increase the number of cell division site, reducing each site coverage, or in the same site increased in second different frequency equipment, but the limited frequency resource and the amount of investment the limits of this project. In order to satisfy more the communication service of the user demand, European Telecommunications Standards Institute (ETSI) in1991was developed based on the1800M frequency of the relevant technology standard, while the Concentric cell technology is in the GSM900and DCS1800hybrid network are presented for the case of a small program. In this paper the author as the Jiaozuo Unicom Concentric cell technological transformation of the main design and implementation of personnel, on the use of Concentric cell technology to solve the problem of network capacity and quality of research and discussion.This article first elaborated the GSM mobile communications network development history, present situation and application of the3G network era, the position and development foreground made a simple analysis, pointed out the current problems. Secondly, this paper focuses on the research of city wireless coverage environment, different frequency radio wave attenuation characteristic, BSSAP protocol, DTAP protocol and mobile users in different state of the communication process, proposed the Concentric cell technology application design model, in order to understand the technology in Jiaozuo Unicom network can be implemented, the Huawei GSM network base station controller and base station equipment Concentric experiment and its results were analyzed in detail, in detail elaborated the Jiaozuo Unicom’s GSM network Concentric cell technical reformation scheme and implementation of. Finally, the summary of the thesis, points out the Concentric cell technology for GSM network and the significance of its application environment, puts forward the Concentrics technology application research.