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Wifi RTT using Nest wifi router & point

Allen997
Community Member

Hello all,

I'm trying to conduct a wifi round-trip time(RTT) research using nest wifi. I think the nest wifi point also supports RTT FTM, right? My question is, if I have a router and multiple points connected, when I request RTT from the phone, will the RTT be the travel time between the phone and the router or between the phone and the nearest wifi point? 

Thank you for your help in advance,

Allen

1 ACCEPTED SOLUTION

MichaelP
Platinum Product Expert
Platinum Product Expert

Hello @Allen997 

According to this page: https://developer.android.com/guide/topics/connectivity/wifi-rtt#supported-aps both the Nest WiFi Router and Nest WiFi Point support 802.11mc RTT. From a quick look at the relevant APIs, it looks like you do a scan first to get a list of access point MAC addresses, use those to build a ranging request, and then initiate the ranging measurement. The results will include all of the measured ranges from the access points (and in this context, the Nest WiFi Router and Nest WiFi Point units are all "access points"). If you want to know which access point is the closest, you'd sort those results by the RTT to find the shortest one.

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4 REPLIES 4

MichaelP
Platinum Product Expert
Platinum Product Expert

Hello @Allen997 

According to this page: https://developer.android.com/guide/topics/connectivity/wifi-rtt#supported-aps both the Nest WiFi Router and Nest WiFi Point support 802.11mc RTT. From a quick look at the relevant APIs, it looks like you do a scan first to get a list of access point MAC addresses, use those to build a ranging request, and then initiate the ranging measurement. The results will include all of the measured ranges from the access points (and in this context, the Nest WiFi Router and Nest WiFi Point units are all "access points"). If you want to know which access point is the closest, you'd sort those results by the RTT to find the shortest one.

Jeff
Community Specialist
Community Specialist

Hi, Allen997.
I know it's been a while since you posted, but I just wanted to jump in real fast to see if you saw MichaelP's reply and to see if you still needed some help on this or if you were able to get it sorted out. If you are still needing some help, just let us know and we'll be happy to continue helping.
Thanks.

Jeff
Community Specialist
Community Specialist

Hi, Allen 997.
Just one quick final check in here. We'll be locking the thread in the next 24 hours, but if you still need help, I would be happy to keep it open. If there's more we can do, just let me know.
Thanks.

Jeff
Community Specialist
Community Specialist

Hi, everyone.
As we haven't had any activity here recently I'm going to go ahead and close the thread. If you have more to add, feel free to start a new discussion.
Thanks