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Home Creative Thinking

SUCOM tech makes for better cellular comms with delivery drones

admin by admin
February 3, 2023
in Creative Thinking


While short-range radio remote control may be fine for consumer drones, long-distance delivery drones often use cellular networks to communicate with their operators. A new mobile network system could make the latter method much more reliable.

Although it’s certainly possible that drones might simply lack network coverage at various points along their journey, it is also believed that because the aircraft are able to access multiple cell towers simultaneously, they keep switching between network cells – doing so leads to frequent disconnections.

Additionally, scientists at Germany’s Fraunhofer Institute for Telecommunications have discovered that the communications protocols which regulate the flow of cellular data between drones and their operators can be problematic.

With these limitations in mind, Fraunhofer teamed up with partners including German drone manufacturers Wingcopter and Emqopter to develop what is known as the SUCOM network.

It reportedly allows drones to stay connected with their operators via cellular networks, even if data rates fluctuate. This means that important real-time information such as flight direction, altitude, speed and GPS coordinates are continuously available.

“For comparison, we equipped a drone with a commercially available LTE system and with our SUCOM mobile network module, which has the new communication protocols,” said Fraunhofer scientist Tom Piechotta. “While the connection that used the conventional module kept dropping out, the SUCOM module provided a stable connection. Thanks to our new protocols, the connection is so stable that there are no interruptions.”

Team members also flew a SUCOM-equipped drone across a remote 14-km (9-mile)-wide cellular “dead spot” in Germany, not losing contact with the aircraft at any point in the flight.

The technology is already being utilized by medical delivery drones in Malawi. As the aircraft autonomously fly over rugged terrain for up to 40 km (25 miles) at a time, remotely located operators are able to monitor their flight information at all times. And in the event that the cellular connection does fail, the drones are also equipped with a satellite communications system.

Sources: Fraunhofer, SUCOM





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