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Cell shape

Created: Nov 11, 2020 09:14:09Latest reply: Jun 21, 2021 23:23:34 448 5 0 0 0
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Hi everyone.

I just learned that the best cell shape in a communication system is a polygon or rather a hexagon and not a circle, why?

Thanks!

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BetterMing
Created Nov 11, 2020 09:15:26

Hello, dear.
Assuming that if the covering is a circle, there will be gaps or overlaps when the circles are aligned next to each other, while the regular hexagons will not have gaps or overlaps.
Using a hexagon as a coverage model, the smallest number of cells can cover the entire geographic area. Moreover, the hexagon is the closest to the base station antenna of the omnidirectional antenna and the omnidirectional radiation pattern of free space propagation.
Thanks!
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Hello, dear.
Assuming that if the covering is a circle, there will be gaps or overlaps when the circles are aligned next to each other, while the regular hexagons will not have gaps or overlaps.
Using a hexagon as a coverage model, the smallest number of cells can cover the entire geographic area. Moreover, the hexagon is the closest to the base station antenna of the omnidirectional antenna and the omnidirectional radiation pattern of free space propagation.
Thanks!
View more
  • x
  • convention:

Hi friend


Each geographic area is divided into hexagonal cells that are nested to form a honeycomb pattern. The hexagon shape was chosen because it provides the most effective transmission approximate to a circular pattern, while eliminating spaces present between adjacent circles. A cell is defined by its physical size and, most importantly, by the size of its population and traffic patterns. The number of cells per system is defined by the provider, according to anticipated traffic patterns. Each geographical area of the mobile service is distributed in cellular radio channels. Each transmitter / receiver with a surround area has a fixed subset of available radio channels, based on the anticipated traffic flow.


Hexagonal net





 The hexagonal shape is the geometric shape that allows you to occupy all the space, which would not happen if they were circumferences.


Thanks.

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Hexagonal shape is the best, as it provid no gaps in between.
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Good answer
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great
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