We keep repeating how revolutionary this new communication standard will be. The countries are working to develop infrastructures compatible with this network on their territory. But 5G, presented as a technology allowing to reduce download times to nothing while offering advanced hyperconnectivity, could well have a major weakness: rain.
The first tests carried out around the world have shown that the speed of 5G can be cut in half in the event of heavy showers. The range of the network can also be reduced in case of bad weather. In other words, when the weather is bad, 5G may not be able to maintain its full capacity.
The 5G revolution at the heart of the problem
The explanation for this phenomenon is based on the millimeter waves that make up the 5G network and on which its technological advances are based. Unfortunately, these waves have a very low penetrating power, which means that they are easily disturbed by obstacles, especially those of meteorological origin. In the event of rain, drops of water can absorb part of the signal.
Depending on the density of the downpour, the network could be cut by 25% to 50% of its flow. The only solution to counter the phenomenon would be that the operators develop tight grids of relay antennas or amplify the intensity of the wave.
Currently, 5G is only deployed in a few countries and on a relatively small scale. The deployment of the network should continue for several years, especially in France where 5G is expected for 2022. A period of time which should allow operators and equipment manufacturers to take into account this increased sensitivity to meteorological obstacles.
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