Saturday, November 2, 2019

Using AI to Reduce Small Cell Cost as Much as 4X

Mobile service providers are finding lots of ways to keep 5G infrastructure costs down, including using artificial intelligence to improve siting of small cells, thereby reducing the amount of small cell investment. 

Small cell capex can be as much as four times higher when the small cells are not located within about 20 meters to 40 meters (65 feet to 131 feet) of demand hotspots, according to a new white paper by the Small Cell Forum. So operators are starting to use AI to improve cell siting. 

“Where small cell placement was off by as little as half a cell radius from a given hotspot, the result – according to one operator – was that four times as many small cells were required to carry the same traffic,” the Small Cell Forum says.

Location accuracy is even more challenging when higher frequency bands are used, reducing the practical serving radius of the cells.


“A well-placed small cell has its serving area covering locations with high demand,” the paper states. “A poorly located small cell is too far away from the hotspot; its serving area does not cover an area of high demand.” And that efficiency is directly related to the number of small cells that need to be deployed, and therefore capital investment. 

To maximize small cell return on investment, and minimize capex overall, small cell siting should be within 20 meters to 40 meters of the ideal theoretical placement (real estate considerations matter, in that regard).

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