Synchronising CSI readings from 2 receivers.

2024-08-08 Thread Sourya Saha
Hi. I am working on an application which utilises the gr-ieee802-11 module. I need to collect readings from 2 receivers. However, I want them synchronised. What would be the best way to do that in GNURadio?

Re: Synchronising CSI readings from 2 receivers.

2024-08-08 Thread Marcus Müller
Hi, can you elaborate what you mean with "synchronized"? A CSI estimate can only happen when the necessary pilots have been observed, and that will, due to finite speed of light, necessarily happen at different times at different receivers. Best, Marcus On 08.08.24 18:19, Sourya Saha wrote:

Re: Synchronising CSI readings from 2 receivers.

2024-08-08 Thread Marcus Müller
Hi Sourya, that is a different thing than you asked about originally :) But in this case, this is "just" a matter of phase synchronizing different USRPs. See http://kb.ettus.com (and the Application notes there) on how, and for which specific USRP types, that can be achieved. All the things de

Re: Synchronising CSI readings from 2 receivers.

2024-08-08 Thread Sourya Saha
Thanks, I'll check it out. On Thu, 8 Aug 2024, 1:09 pm Marcus Müller, wrote: > Hi Sourya, > > that is a different thing than you asked about originally :) > > But in this case, this is "just" a matter of phase synchronizing different > USRPs. See > http://kb.ettus.com (and the Application notes

Ettus N200 Connecting to Device

2024-08-08 Thread Q W
Hi there, We are considering using a USRP N200 for a project,and want to figure out some technical details before placing the order. We planto use N200 to control our own device based on the analog RF signal sent fromthe device. The general structure is to have the device’s outputconnected to the

Re: Ettus N200 Connecting to Device

2024-08-08 Thread Marcus D. Leech
On 08/08/2024 20:18, Q W wrote: Hi there, We are considering using a USRP N200 for a project, and want to figure out some technical details before placing the order. We plan to use N200 to control our own device based on the analog RF signal sent from the device. The general structure is to

Re: Ettus N200 Connecting to Device

2024-08-08 Thread Q W
Hi Marcus, Thanks very much for your comments. I am sorry for sending my enquiry to the wrong mail-list. I agree with you that usrp users mailing list would be a better place to seek for help. I am new to SDRs and this mail list system, and really appreciate your feedback. I come from the theor

Re: Ettus N200 Connecting to Device

2024-08-08 Thread Marcus D. Leech
On 08/08/2024 20:48, Q W wrote: Hi Marcus, Thanks very much for your comments. I am sorry for sending my enquiry to the wrong mail-list. I agree with you that usrp users mailing list would be a better place to seek for help. I am new to SDRs and this mail list system, and really appreciate y