# 10.3.2 Relative positioning of interfering link (Cellular system)

The relative position of the Victim Receiver (<span data-highlighted="true" data-vc="highlighted-text"><span class="_kqswh2mm"><span class="_5pioz8co _189e1dm9 _1il9buyh _19lc184f _d0altlke" data-testid="definition-highlighter">VLR</span></span></span>) and the Interfering cellular system depends on the various options presented below.

[![image.png](https://wiki.cept.org/uploads/images/gallery/2026-04/scaled-1680-/6nf997LRD6iXPweA-image.png)](https://wiki.cept.org/uploads/images/gallery/2026-04/6nf997LRD6iXPweA-image.png)

<div class="rich-media-item mediaSingleView-content-wrap image-align-start css-1emmro7" data-layout="align-start" data-media-vc-wrapper="true" data-node-type="mediaSingle" data-renderer-start-pos="139" data-vc="media-single" data-width="453" data-width-type="pixel" id="bkmrk-figure-228%3A-relative"><div class="css-ersh87"><div data-alt="" data-collection="contentId-493404" data-context-id="493404" data-file-mime-type="" data-file-name="file" data-file-size="1" data-height="134" data-id="f25469bb-42c3-4f34-b0d6-d552de2e4631" data-node-type="media" data-renderer-start-pos="140" data-type="file" data-width="453"><div class="_2rko18qm _vchhusvi _kqswh2mm _ect4ttxp _p12f1osq _c71l1osq _1bsb1qmm _4t3ine4n _1hlmd0i9 _1rquusvi _eg541i5c _mts3kb7n _1ntskb7n _yfmhtlke _5sb1v00u new-file-experience-wrapper" data-media-vc-wrapper="true" data-testid="media-card-view" id="bkmrk-figure-228%3A-relative-1"><div class="_1reo15vq _18m915vq _2rko18qm _1e0c1txw _kqswh2mm _p12f1osq _1bsb1osq _4t3i1osq _c71l1osq media-file-card-view" data-cursor="pointer" data-test-media-name="8.png" data-test-progress="1" data-test-source="remote" data-test-status="complete" data-testid="media-file-card-view"><div class="_kqswstnw _1bsb1osq _4t3i1osq _1e0c1txw _2lx21bp4 _1bah1h6o _4cvr1h6o align-center" data-testid="ImageRendererWrapper">![](blob:https://ecowiki.atlassian.net/260ccf32-7f77-4103-b6c2-347ec4abc217#media-blob-url=true&id=f25469bb-42c3-4f34-b0d6-d552de2e4631&collection=contentId-493404&contextId=493404&width=453&height=134&alt=&clientId=113268fe-fe5b-4bc3-8ff3-07965dbf1d18)**Figure 228: Relative positioning of a cellular interfering link with a generic victim system**</div><div class="_kqswstnw _1bsb1osq _4t3i1osq _1e0c1txw _2lx21bp4 _1bah1h6o _4cvr1h6o" data-testid="ImageRendererWrapper"></div></div></div></div></div></div>- **Cor. (interfering <span data-highlighted="true" data-vc="highlighted-text"><span class="_kqswh2mm"><span class="_5pioz8co _189e1dm9 _1il9buyh _19lc184f _d0altlke" data-testid="definition-highlighter">BS</span></span></span> ref. cell):** in which case the relative location is explicitely defined by the dX/dY values given in the scenario and the reference is the <span data-highlighted="true" data-vc="highlighted-text">BS</span> ref.cell. It is a similar mode as described in Table 43 where the <span data-highlighted="true" data-vc="highlighted-text">BS</span> ref.cell of the cellular interferer is position with respect to the <span data-highlighted="true" data-vc="highlighted-text"><span class="_kqswh2mm"><span class="_5pioz8co _189e1dm9 _1il9buyh _19lc184f _d0altlke" data-testid="definition-highlighter">VLT</span></span></span> or <span data-highlighted="true" data-vc="highlighted-text">VLR</span> depending on the selection;
- **Dyn (interfering <span data-highlighted="true" data-vc="highlighted-text">BS</span> ref.cell):** this dynamic distance mode provides a a relative location that follows a uniform distribution in the distance and angle domain.

**Table 46: <span data-highlighted="true" data-vc="highlighted-text"><span class="_kqswh2mm"><span class="_5pioz8co _189e1dm9 _1il9buyh _19lc184f _d0altlke" data-testid="definition-highlighter">ILT</span></span></span>-<span data-highlighted="true" data-vc="highlighted-text">VLR</span> path – Correlated mode (cellular vs generic)**

<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: 18.47%;">**Description**

</td><td colspan="1" rowspan="1" style="width: 15.5964%;">**Symbol**

</td><td colspan="1" rowspan="1" style="width: 17.6496%;">**Type**

</td><td colspan="1" rowspan="1" style="width: 11.3203%;">**Unit**

</td><td colspan="1" rowspan="1" style="width: 36.9399%;">**Comments**

</td></tr><tr><td colspan="1" rowspan="1" style="width: 18.47%;">Position relative to <span data-highlighted="true" data-vc="highlighted-text">VLT</span> or <span data-highlighted="true" data-vc="highlighted-text">VLR</span>

</td><td colspan="1" rowspan="1" style="width: 15.5964%;">-

</td><td colspan="1" rowspan="1" style="width: 17.6496%;">Boolean

</td><td colspan="1" rowspan="1" style="width: 11.3203%;">-

</td><td colspan="1" rowspan="1" style="width: 36.9399%;">Positioning of the fixed interefer transmitter (<span data-highlighted="true" data-vc="highlighted-text">ILT</span>) or receiver (<span data-highlighted="true" data-vc="highlighted-text"><span class="_kqswh2mm"><span class="_5pioz8co _189e1dm9 _1il9buyh _19lc184f _d0altlke" data-testid="definition-highlighter">ILR</span></span></span>) with the origin being either on the victim link transmitter (<span data-highlighted="true" data-vc="highlighted-text">VLT</span>) or receiver (<span data-highlighted="true" data-vc="highlighted-text">VLR</span>) on the option selected.

</td></tr><tr><td colspan="1" rowspan="1" style="width: 18.47%;">Delta X

</td><td colspan="1" rowspan="1" style="width: 15.5964%;">∆X

</td><td colspan="1" rowspan="1" style="width: 17.6496%;">Distribution or Scalar

</td><td colspan="1" rowspan="1" style="width: 11.3203%;">km

</td><td colspan="1" rowspan="1" style="width: 36.9399%;">Horizontal distance between the transmitter and receiver. It can be used to shift horizontally the distributed receivers.

</td></tr><tr><td colspan="1" rowspan="1" style="width: 18.47%;">Delta Y

</td><td colspan="1" rowspan="1" style="width: 15.5964%;">∆Y

</td><td colspan="1" rowspan="1" style="width: 17.6496%;">Distribution or Scalar

</td><td colspan="1" rowspan="1" style="width: 11.3203%;">km

</td><td colspan="1" rowspan="1" style="width: 36.9399%;">Vertical distance between the transmitter and receiver. It can be used to shift vertically the distributed receivers.

</td></tr><tr><td colspan="1" rowspan="1" style="width: 18.47%;">Path azimuth

</td><td colspan="1" rowspan="1" style="width: 15.5964%;">-

</td><td colspan="1" rowspan="1" style="width: 17.6496%;">Distribution or Scalar

</td><td colspan="1" rowspan="1" style="width: 11.3203%;">Deg

</td><td colspan="1" rowspan="1" style="width: 36.9399%;">Horizontal angle for the location of the interfering <span data-highlighted="true" data-vc="highlighted-text">BS</span> ref.cell respect to the <span data-highlighted="true" data-vc="highlighted-text">VLR</span> or <span data-highlighted="true" data-vc="highlighted-text">VLT</span>

</td></tr><tr><td colspan="1" rowspan="1" style="width: 18.47%;">Path distance

</td><td colspan="1" rowspan="1" style="width: 15.5964%;">-

</td><td colspan="1" rowspan="1" style="width: 17.6496%;">Distribution or Scalar

</td><td colspan="1" rowspan="1" style="width: 11.3203%;">km

</td><td colspan="1" rowspan="1" style="width: 36.9399%;">Path length between the interfering <span data-highlighted="true" data-vc="highlighted-text">BS</span> ref.cell respect to the <span data-highlighted="true" data-vc="highlighted-text">VLR</span> or <span data-highlighted="true" data-vc="highlighted-text">VLT</span>

</td></tr><tr><td colspan="1" rowspan="1" style="width: 18.47%;">Minimum coupling loss

</td><td colspan="1" rowspan="1" style="width: 15.5964%;">MCL

</td><td colspan="1" rowspan="1" style="width: 17.6496%;">Distribution or Scalar

</td><td colspan="1" rowspan="1" style="width: 11.3203%;">dB

</td><td colspan="1" rowspan="1" style="width: 36.9399%;">The minimum path loss. It is used in the calculation of the effective path loss (Section ‎7.6)

</td></tr></tbody></table>

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</div></div>[![image.png](https://wiki.cept.org/uploads/images/gallery/2026-04/scaled-1680-/d1KaQ77SCwrYY5lD-image.png)](https://wiki.cept.org/uploads/images/gallery/2026-04/d1KaQ77SCwrYY5lD-image.png)

<div class="pm-table-container with-shadow-observer" data-layout="align-start" data-testid="table-container" id="bkmrk--2"></div><div class="rich-media-item mediaSingleView-content-wrap image-align-start css-1pusf6g" data-layout="align-start" data-media-vc-wrapper="true" data-node-type="mediaSingle" data-renderer-start-pos="1907" data-vc="media-single" data-width="445" data-width-type="pixel" id="bkmrk-figure-229%3A-relative"><div class="css-10adyuf"><div data-alt="" data-collection="contentId-493404" data-context-id="493404" data-file-mime-type="" data-file-name="file" data-file-size="1" data-height="133" data-id="06a1b421-91f1-43e0-8ad3-26b9c61da47a" data-node-type="media" data-renderer-start-pos="1908" data-type="file" data-width="445"><div class="_2rko18qm _vchhusvi _kqswh2mm _ect4ttxp _p12f1osq _c71l1osq _1bsb1qmm _4t3ine4n _1hlmd0i9 _1rquusvi _eg541i5c _mts3kb7n _1ntskb7n _yfmhtlke _5sb1v00u new-file-experience-wrapper" data-media-vc-wrapper="true" data-testid="media-card-view" id="bkmrk-figure-229%3A-relative-1"><div class="_1reo15vq _18m915vq _2rko18qm _1e0c1txw _kqswh2mm _p12f1osq _1bsb1osq _4t3i1osq _c71l1osq media-file-card-view" data-cursor="pointer" data-test-media-name="9.png" data-test-progress="1" data-test-source="remote" data-test-status="complete" data-testid="media-file-card-view"><div class="_kqswstnw _1bsb1osq _4t3i1osq _1e0c1txw _2lx21bp4 _1bah1h6o _4cvr1h6o align-center" data-testid="ImageRendererWrapper">![](blob:https://ecowiki.atlassian.net/bd977419-c528-489f-9ec7-d470c9fbbf2d#media-blob-url=true&id=06a1b421-91f1-43e0-8ad3-26b9c61da47a&collection=contentId-493404&contextId=493404&width=445&height=133&alt=&clientId=113268fe-fe5b-4bc3-8ff3-07965dbf1d18)**Figure 229: Relative positioning of a cellular interfering link with a cellular victim system**</div></div></div></div></div></div>- **Cor. (victim <span data-highlighted="true" data-vc="highlighted-text">BS</span> ref.cell à interfering <span data-highlighted="true" data-vc="highlighted-text">BS</span> ref.cell):** It is the same mode as described in Table 45 but where the <span data-highlighted="true" data-vc="highlighted-text">BS</span> of the reference cell of the victim cellular network is the reference position of the <span data-highlighted="true" data-vc="highlighted-text">BS</span> of the reference cell of the interfering cellular network.
- **Dyn. (victim <span data-highlighted="true" data-vc="highlighted-text">BS</span> ref.cell à interfering <span data-highlighted="true" data-vc="highlighted-text">BS</span> ref.cell):** It is the same mode as described in Table 48, but where the <span data-highlighted="true" data-vc="highlighted-text">BS</span> of the reference cell of the victim cellular network is the reference position of the <span data-highlighted="true" data-vc="highlighted-text">BS</span> of the reference cell of the interfering cellular network.