# 7.5.4 Mobile station

[![image.png](https://wiki.cept.org/uploads/images/gallery/2026-04/scaled-1680-/nGuOZ5jGU7ViGMdN-image.png)](https://wiki.cept.org/uploads/images/gallery/2026-04/nGuOZ5jGU7ViGMdN-image.png)

**Figure 183: Cellular system – Mobile station GUI**

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</span></div>**Table 24: Cellular system – Mobile station parameters**</div><div class="fabric-editor-block-mark fabric-editor-alignment align-center" data-align="center" id="bkmrk--1"></div><div class="pm-table-container with-shadow-observer" data-layout="align-start" data-testid="table-container" id="bkmrk-description-symbol-t"><div class="pm-table-wrapper" data-autosize="false" data-layout="align-start" data-number-column="false" data-table-local-id="" data-vc="table-node-wrapper"><table data-layout="align-start" data-number-column="false" data-table-width="760" data-testid="renderer-table" style="width: 100%;"><colgroup></colgroup><tbody><tr><td colspan="1" rowspan="1" style="width: 16.9209%;">**Description**

</td><td colspan="1" rowspan="1" style="width: 9.17404%;">**Symbol**

</td><td colspan="1" rowspan="1" style="width: 21.212%;">**Type**

</td><td colspan="1" rowspan="1" style="width: 10.367%;">**Unit**

</td><td colspan="1" rowspan="1" style="width: 42.3022%;">**Comments**

</td></tr><tr><td colspan="1" rowspan="1" style="width: 16.9209%;">**Antenna height**

</td><td colspan="1" rowspan="1" style="width: 9.17404%;">H<sub data-renderer-mark="true">MS</sub>

</td><td colspan="1" rowspan="1" style="width: 21.212%;">Distribution or Scalar

</td><td colspan="1" rowspan="1" style="width: 10.367%;">m

</td><td colspan="1" rowspan="1" style="width: 42.3022%;">Height of user terminal in meters. Note that the assumed antenna height definition (above ground, above local clutter, effective antenna height) should correspond to the selected propagation model.

</td></tr><tr><td colspan="1" rowspan="1" style="width: 16.9209%;">**Antenna gain**

</td><td colspan="1" rowspan="1" style="width: 9.17404%;">G<sub data-renderer-mark="true">Tx</sub> , G<sub data-renderer-mark="true">Tx</sub>

</td><td colspan="1" rowspan="1" style="width: 21.212%;">Distribution or Scalar

</td><td colspan="1" rowspan="1" style="width: 10.367%;">dB

</td><td colspan="1" rowspan="1" style="width: 42.3022%;">An omni directional antenna pattern is assumed. Depending on the link direction, it can be either the gain of the Tx (<span data-highlighted="true" data-vc="highlighted-text"><span class="_kqswh2mm"><span class="_5pioz8co _189e1dm9 _1il9buyh _19lc184f _d0altlke" data-testid="definition-highlighter">UL</span></span></span>) or the Rx (DL)

</td></tr><tr><td colspan="1" rowspan="1" style="width: 16.9209%;">**Mobility**

</td><td colspan="1" rowspan="1" style="width: 9.17404%;">-

</td><td colspan="1" rowspan="1" style="width: 21.212%;">Distribution or Scalar

</td><td colspan="1" rowspan="1" style="width: 10.367%;">Km/h

</td><td colspan="1" rowspan="1" style="width: 42.3022%;">Distribution of speed among the users.Theese speeds have to conform to the speed options in the selected Link Level Data (Section 8.5).

For simplicity SEAMCAT assumes four different speeds, assigned to mobile users with uniform probability:

- 0 km/h - No movement,
- 3 km/h - Walking,
- 30 km/h - Urban driving,

100 km/h - Motorway driving

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