name: O2I
full_form: Outdoor-to-Indoor
context: The pathloss incorporating O2I building penetration loss is modelled as in the following: (4.2.2-2) where is the basic outdoor path loss given in clause 4.2.2.1, where is replaced by . is the building penetration loss through the external wall, is the inside loss dependent on the depth into the building, and ÏP is the standard deviation for the penetration loss. is characterized as: (4.2.2-3) is an additional loss is added to the external wall loss to account for non-perpendicular incidence; , is the penetration loss of material i, example values of which can be found in Table 4.2.2.3-1; is proportion of i-th materials, where ; and N is the number of materials. Table 4.2.2.3-1: Material penetration losses Table 4.2.2.3-2 gives , and ÏP for two O2I penetration loss models. The O2I penetration is UT-specifically generated and is added to the SF realization in the log domain. Table 4.2.2.3-2: O2I building penetration loss model is minimum of two independently generated uniformly
description: Outdoor-to-Indoor (O2I) refers to a scenario where a signal travels from an outdoor environment into an indoor setting, usually passing through a building's walls. This is significant in telecommunications because it influences signal strength and quality.
explanation: While O2I describes a phenomenon within telecommunications, it doesn't fall under specific categories like Network Function or Protocol. It's a broader concept related to signal propagation and its impact on indoor coverage.
section_title: 4.2.2.3.1O-to-I building penetration loss
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