Our drone attachment has to be able to achieve one goal: transmit telecommunications (probably from a mobile ground station) to the people in the area. We briefly talked about the problems we are trying to solve in our last post, but let’s revisit it now. Sometimes our cell phone and internet capabilities are down. This may happen when there’s significant damage to infrastructure like cell towers–we see this a lot with natural disasters like tornadoes, hurricanes, and earthquakes. Sometimes they’re simply down or slow because of overload–we see this a lot at large sporting events and music festivals. Of course, sometimes you don’t have service because you’re in the middle of nowhere and there are no cell towers for you to connect to. These are all problems we believe that we can solve if we make this project work. The animated gif below illustrates how our attachment might work.

 

The Drone Attachment

Our idea is simple and that’s what makes the reality of it feel so tangible. Basically, we are using UAV tech to make existing ad-hoc networks (fancy name for small cell towers based out of tractor trailers) more effective. We start with a ground station much like other ad-hoc networks. This station will be set up at a central location in the area and this is where we have all the transmission equipment. We send UAVs in all directions from the ground station. Our drones have some sort of V-shaped protrusion on the front like the plane does in the gif above. These drones use the V-shape to carry small balloons with antennae on them. When the drone gets to its destination, it then releases the balloon and returns to base. The balloon itself is designed to be neutrally buoyant so it should float in place. The antennae carries the signal from the ground base and retransmits it to the areas surrounding. The advantage to this method is that if one area is too much for one balloon to handle, another drone can carry an additional antennae to the area.

Our biggest challenges still lie with battery life. We need to find a battery that can last long enough for the drone to get its location. Additionally, this method may mean reconfiguring our quadcopter’s frame–which we don’t have time to do. Lastly, we have to confront the issue that weather–particularly high winds if we’re in a hurricane situation–may play on our quadcopter and balloons.

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