UMTS radio networks

Publisher Summary This chapter reviews the contributions to the UMTS radio network planning, with the optimization being provided from COST 273 and the real-time tuning, which is related to RRM. The results on UTRAN performance evaluation by the means of simulation tools are also discussed. The UMTS planning includes processes like: the propagation and traffic models, the aspects of parameter planning, and the automatic planning algorithms. An accurate ray-tracing model integrated in a UMTS-capable planning tool allows the radio network planner to reach optimal numbers for the BS deployment and configuration while meeting the service level requirements. Ray tracing can identify the problem areas in the planning stage. The initial traffic dimensioning in the UMTS planning is very important. The traffic maps can be derived by assuming the uniform traffic densities for four different services in three different environments (urban cells, rural cells and cells covering important roads or highways). The chapter concludes by reviewing the current UMTS evolution and illustrates the additional technologies that are being incorporated into the latest releases of the UMTS standards.

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