Airlines Altimeters vs 5G Technology: What are the important concerns ?
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The allocated frequency bands to Airline industry and 5G technology have close frequencies which can create interference
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Airlines have raised many critical concern that the rollout of new 5G mobile technology in the United States could cause potentially dangerous interference with aircraft systems.
Airlines Altimeters infect measure the distance between an aircraft and the ground, a vital instrument when landing at night or during bad weather.
Two telecom operators Verizon and AT&T were doing roll out of their networks on Wednesday but agreed to delay their rollout near region of airports.
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Here are some important points related to this.
The spectrum C-Band frequencies used for 5G networks are close to those used by the device altimeters of airplanes.US telecom operators were allocated frequencies between 3.7 and 3.98 gigahertz for their 5G telco networks which costs them around billions of dollars.
But the air aviation authorities have raised the concerned that the frequencies used by the telco mobile companies are too close for bands which are used by aircraft’s radio device altimeters, which operate between critical bands 4.2 and 4.4 GHz.
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There are chances of interference as the bands of frequencies are very close and there is no guard band and safety measures are required to avoid interference.
“The concern is that the narrow gap between the upper 5G frequency in the US and these frequencies is close enough to potentially cause interference as aircraft are on approach to land,” Nigel Linge, telecommunications professor at the University of Salford in the UK, told AFP
Aircraft makers Airbus and Boeing have raised the same potential risks of interferences to the US transportation secretary in December. The 5G rollout was then delayed until January 19 following a request from the Federal Aviation Administration to ensure the system is safe.
“If there’s the possibility of a risk to the flying public, we are obligated to restrict the relevant flight activity until we can prove it is safe,” the FAA says on its website.
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