name: OTDOA
full_form: Observed Time Difference Of Arrival
context: OTDOA horizontal positioning comparison of reference cell selection for Case 1.A Table 7.1.1.2.2-1: OTDOA horizontal positioning error with perfect synchronization [m] Case 1.B. Outdoor macro + 4 small cells Figure 7.1.1.2.2-2. OTDOA horizontal positioning comparison of reference cell selection for Case 1.B Table 7.1.1.2.2-2: OTDOA horizontal positioning error with perfect synchronization [m] Case 1.C. Outdoor macro + 10 small cells Figure 7.1.1.2.2-3. OTDOA horizontal positioning comparison of reference cell selection for Case 1.C Table 7.1.1.2.2-3: OTDOA horizontal positioning error with perfect synchronization [m] Case 2. Outdoor macro + dense small cells Figure 7.1.1.2.2-4. OTDOA horizontal positioning comparison of reference cell selection for Case 2 Table 7.1.1.2.2-4: OTDOA horizontal positioning error with perfect synchronization [m]
description: Observed Time Difference Of Arrival (OTDOA) is a measurement technique used in cellular networks to determine the location of user equipment (UE). It calculates the time difference between signals received from multiple reference cells, enabling the estimation of UE position. OTDOA is utilized for horizontal positioning and is compared across various scenarios with different cell configurations, such as macro cells and small cells, under perfect synchronization conditions.
explanation: OTDOA is described as a measurement technique used to determine UE location by calculating time differences between signals from reference cells. This directly classifies it as a measurement within the context of cellular network operations.
section_title: 7.1.1.2.2	Reference cell selection improvements
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