Mobile communication is a method of communication where the peers are connected without using cable, but via a radio channel. The key feature of the method is that the general zone of coverage is divided in cells, determined by the zones of coverage of the separate base stations (BS). The cells are partly overlapped and together form a network.
On the perfectly plain surface, a zone of coverage of one BS is a circle, therefore, the network made up of them has the appearance of hexagonal cells.
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