Why is the communication range intentionally limited in local interaction mechanisms?
Answer
To force robots to rely on their neighbors to relay information across the swarm boundary
Limiting the communication range ensures that collective decision-making occurs via neighbor-to-neighbor communication, thereby forcing information diffusion across the entire group, similar to how news spreads through a crowd.

#Videos
Engineering a swarm - with Sabine Hauert - YouTube
Swarm Robots!!! - YouTube
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