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#16
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Re: WiFi at a week zero event
It's probably easier to make sure your Router/AP is serving out addresses via DHCP on a 10. that won't conflict with a team, 10.0.101.XX should be fine, with a subnet mask of 255.0.0.0. Then the DSes with their static IPs can happily talk to the roboRIO with its DHCP address.
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#17
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Re: WiFi at a week zero event
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What you are saying is true if you had hard wire and a switch. The switch can isolate sub-nets to maximize data throughput within the sub-net. WiFi is like a shared wire. Nothing you can do if the wire is saturated. Last edited by rich2202 : 03-02-2015 at 10:50. |
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#18
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Re: WiFi at a week zero event
The DHCP address range can be an issue ONLY if you are planning to use the same SSID as used by FMS and the robots. Clearly, you should not be doing that, even if you could. So, IP addresses are not an issue.
The issue is whether you are using the same RF channels that are being used by FMS. FMS typically uses low numbered channels in the 5 GHz band. If someone else was also using this particular channel, then the bandwidth available for robots could be reduced. FMS typically uses one channel, but may use multiple bonded channels (I heard). Depends on the FTA. So, using the 2.4 GHz band WILL not cause problems for robots if you use FCC approved AP devices. FCC testing verifies that the device will not transmit radio energy in other ranges. The image posted by jvdiv shows the 2.4 GHz band (Channels 1 - 14). Please scan the 5 GHz range as well, I am sure your school uses channels in this range as well. This info will be useful to the FTA. Using 5 GHz (Channels > 14) SHOULD not cause problems either as long as you don't use the channel(s) used by FMS. These channels do not overlap like the 2.4 GHz channels. If there is a problem, find the real cause. Don't be a Luddite. There is a lot of unjustified FUD in this area and a lot of people repeat incorrect info that they hear from other uninformed people. Unfortunately, this serves to distract focus from the real problems and delays a good solution. ![]() Last edited by solopilot : 03-02-2015 at 11:55. |
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#19
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Re: WiFi at a week zero event
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#20
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Re: WiFi at a week zero event
Sorry, I came back to edit my post and found your speedy response. Since the field would be using 2.4 GHz, my update is to agree that it would be wise to clear one of the 3 channels and dedicate it to FMS.
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