Capture effect in WiFi

[Charmae Mendoza]

Hello,

Good day!

I'm currently using OMNeT++ and INET in my simulations. Specifically, I'm using INET's IEEE 802.11 model.  
May I ask if the capture effect in WiFi is already modeled, and is there any available documentation/guide which I could refer to?

Thank you.

Kind regards,
Charmae

[Levente Mészáros]

If by capture you mean that the receiver switches to a stronger signal while already receiving a weaker, then the answer is no, it's currently not implemented.

Best regards,

levy

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[Charmae Mendoza]

Dear Levy,

Thank you for your quick response.

Just to clarify, in the current implementation, if the receiver detects a stronger signal while receiving a weaker one, then the stronger signal is seen as an interference and is accounted for in the calculation of the SNIR?

Following this, the resulting SNIR is used to compute the PER/BER using the error models as part of the receiver?

Is my understanding correct?

Thank you!

Kind regards,

Charmae

On Wednesday, May 22, 2019 at 1:37:46 PM UTC+2, levy wrote:

If by capture you mean that the receiver switches to a stronger signal while already receiving a weaker, then the answer is no, it's currently not implemented.

Best regards,

levy

On Wed, May 22, 2019 at 11:46 AM Charmae Mendoza <cfume...@gmail.com> wrote:

Hello,

Good day!

I'm currently using OMNeT++ and INET in my simulations. Specifically, I'm using INET's IEEE 802.11 model.  
May I ask if the capture effect in WiFi is already modeled, and is there any available documentation/guide which I could refer to?

Thank you.

Kind regards,
Charmae

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[Levente Mészáros]

Yes of course, you're correct. In fact, implementing the capture behaviour isn't too difficult, I think. The Radio class is already somewhat prepared for it, because it receives the start of the stronger signal as a message. It could abort the current reception and star a new one.

Regards,

levy

On Thu, 23 May 2019, 18:41 Charmae Mendoza, <cfume...@gmail.com> wrote:

Dear Levy,

Thank you for your quick response.

Just to clarify, in the current implementation, if the receiver detects a stronger signal while receiving a weaker one, then the stronger signal is seen as an interference and is accounted for in the calculation of the SNIR?

Following this, the resulting SNIR is used to compute the PER/BER using the error models as part of the receiver?

Is my understanding correct?

Thank you!

Kind regards,

Charmae

On Wednesday, May 22, 2019 at 1:37:46 PM UTC+2, levy wrote:

If by capture you mean that the receiver switches to a stronger signal while already receiving a weaker, then the answer is no, it's currently not implemented.

Best regards,

levy

On Wed, May 22, 2019 at 11:46 AM Charmae Mendoza <cfume...@gmail.com> wrote:

Hello,

Good day!

I'm currently using OMNeT++ and INET in my simulations. Specifically, I'm using INET's IEEE 802.11 model.  
May I ask if the capture effect in WiFi is already modeled, and is there any available documentation/guide which I could refer to?

Thank you.

Kind regards,
Charmae

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