A.4 Use case of UTRAN AOA value

32.4053GPPPerformance Management (PM)Performance measurementsRelease 17Telecommunication managementTSUniversal Terrestrial Radio Access Network (UTRAN)

UTRAN AOA value measurement is helpful to analyze UE’s direction distribution of coverage to optimize network together with other measurements. So it is necessary to define UTRAN AOA value measurement.

Granularity of measurement is 5 degree, for cell radius is 500m, corresponding length in edge of cell coverage is nearly 44m. For cell radius is 1000m, corresponding length in edge of cell coverage is nearly 88m. According to network optimization experience, a block whose side length is 44m or 88m for urban cell or suburban cell respectively is enough as an area unit to be analyzed.