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A17.9.2
A17.9.2
In parallel to the development of the JTG 5-6 plugins for CPG PTD, similar activities in SE42 (CEPT project team under WGSE closed in 2010) were on-going and in the course of the development of the plugins an ambiguity was found with respect to the interpretation of the interpolation between 100 m and 1 km and the 40 m to 100 m (see details in Doc. ECC/CPG11 PT-D(09)024).

Therefore, there was a need to develop two plugins to be made available based on the following figure:

 

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F473
F473
Figure 473: Interpolation ambiguity (red: original WP3K/JTG 5-6/54, green: SE42 modification)

...

The selection between the two implementations is presented in the GUI of the JTG5-6 below:

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F474
F474
Figure 474: GUI of the JTG5-6

 

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T089
T089
Table 89: JTG 5-6 propagation model

 

Description

Symbol

Type

Unit

Comments

Variation

 

 

 

Variation in path loss takes into account the uncertainty of building design, furniture, room size, etc.

Allow reciprocity in the antenna height

 

 

 

 

Use the SE42 modification (hasta instead of Free space for d<=0.1km)

 

 

 

 

General environment

 

 

 

Environment of the propagation: rural, suburban, urban.

Time probability[1% or 50%]

 

 

 

time probability: 50 % and 1% for the interfering path. (P.1546)

Cut off distance[<100m]

 

 

 

 

User defined local clutter height

 

 

 

 

 

...