Re: [Discuss-gnuradio] Bluetooth Transmitter using GRC

[Mostafa Alizadeh]

Yeah I have had a look at Bluetooth PHY. The hop rate of Bluetooth in paging substate increases as 3200 hop/sec too. So you mean the N210 USRP can't support 1600 (or 3200) hop/sec? 

What do you mean by "latency"? Is that the latency of the USB or Ethernet?

Jeff, please clarify your stance. Why the latency problem doesn't matter X-series USRP? 

Best, 

Mostafa

On Tue, Jan 13, 2015 at 3:02 PM, Jeff Long <address@hidden> wrote:

On 01/12/2015 01:07 PM, Mostafa Alizadeh wrote:

Hi Jeff,

What is your reason for saying: "Latency and tuning" of the N210 device
isn't appropriate???

I should have said that, with either USB or Ethernet, and with a non-real-time O/S, the latency to too great. Hop rate is generally 1600 hops/sec. Take a look at the Bluetooth physical layer spec for more info.

Best,
Mostafa

On Mon, Jan 12, 2015 at 2:52 PM, Jeff Long <address@hidden
<mailto:address@hidden>> wrote:

    On 01/10/2015 02:46 PM, vaibhav kulkarni wrote:

        Hi All,

        I am searching for an implementation of a complete Bluetooth
        stack on
        GRC 3.7 ( Including the Bluetooth Transmitter and Receiver)
        preferably
        working with USRP N210. So far I got this "gr-Bluetooth,
        Bluetooth for


    You could build one in the FPGA of an X-series box. Latency and
    tuning requirements exceed what you can do with a N210.

        GNU Radio" (http://gr-bluetooth.__sourceforge.net/
        <http://gr-bluetooth.sourceforge.net/>), However it is not a
        complete stack and I guess it doesent include the Bluetooth
        Transmitter.
        I built it and checked but couldn't find one. Can you suggest any
        existing implementation of complete Bluetooth stack ?
        Any Help is appreciated.

        Regards,
        Vaibhav


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Department of Electrical Engineering

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Amirkabir University Of Technology

Tehran

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Tel: +98 (919) 158-7730

LAB: http://ele.aut.ac.ir/~mmwcl/?page_id=411

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