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Why does WiFi suck?
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<blockquote data-quote="suprPHREAK" data-source="post: 21138" data-attributes="member: 1505"><p>So I was thinking, I think I have a theory:</p><p></p><p>on non-wifi drones (whether DJI or home made), you have 2 separate data streams: one for sending control, the other for receiving video. Normal RC isnt (usually) a 2 way communication, so the aircraft gets the control, or not. Same with the downlink, you get it, or not. This is why on a Phantom, you can lose video while maintaining control.</p><p></p><p>With Wifi, there are a bunch of 2-way checks built into the signal. Encode the data, call the recipient, wait for response, send it, wait for response, verify the data was sent, send out a confirmation. I think all that verification creates a lot of points at which signal can be "lost" (not really, but it just didnt pass the check). Might be great when sending computer data, but not so much when trying to maintain control or a flying machine.</p></blockquote><p></p>
[QUOTE="suprPHREAK, post: 21138, member: 1505"] So I was thinking, I think I have a theory: on non-wifi drones (whether DJI or home made), you have 2 separate data streams: one for sending control, the other for receiving video. Normal RC isnt (usually) a 2 way communication, so the aircraft gets the control, or not. Same with the downlink, you get it, or not. This is why on a Phantom, you can lose video while maintaining control. With Wifi, there are a bunch of 2-way checks built into the signal. Encode the data, call the recipient, wait for response, send it, wait for response, verify the data was sent, send out a confirmation. I think all that verification creates a lot of points at which signal can be "lost" (not really, but it just didnt pass the check). Might be great when sending computer data, but not so much when trying to maintain control or a flying machine. [/QUOTE]
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Why does WiFi suck?