When you are in hostile territory, it pays to stick together—especially if you are a robot. Falling into line will be easier with an innovative communication system that combines the clout of robots' individual radio antennas, making sure they stay in touch with their headquarters.
Communicating with robots on the ground gets harder once they move beyond the line of sight, but equipping a group with the "sparse antenna" technology improves communications by extending the radio range. The technology eliminates dead spots, where contact is lost completely, and minimises interference from large buildings or potential signal jammers.
It could make it easier to communicate with robots working in hard-to-reach environments, such as urban disaster areas.
From New Scientist
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