Re: [Discuss-gnuradio] Signal coming from the USRP to the computer

2011-05-29 Thread Marcus D. Leech
On 05/29/2011 05:17 PM, John Andrews wrote: Of course that is true. I just wanted to make sure my understanding of the whole signal flow in GNU Radio/USRP system was right. The IF, down coversion etc stages confused me a bit. I was only interested in what I am getting on the USB bus to work wit

Re: [Discuss-gnuradio] Signal coming from the USRP to the computer

2011-05-29 Thread John Andrews
Of course that is true. I just wanted to make sure my understanding of the whole signal flow in GNU Radio/USRP system was right. The IF, down coversion etc stages confused me a bit. I was only interested in what I am getting on the USB bus to work with so, I wanted to make sure my understanding of

Re: [Discuss-gnuradio] Signal coming from the USRP to the computer

2011-05-29 Thread Marcus D. Leech
On 05/29/2011 04:50 PM, John Andrews wrote: Hi All, I want to know what is the signal coming from the USRP onto the USB bus. I know that the received signal is a baseband signal and assuming complex sampling (I have RFX2400 daughterboards) each complex sample that enters the USB bus is the fol

[Discuss-gnuradio] Signal coming from the USRP to the computer

2011-05-29 Thread John Andrews
Hi All, I want to know what is the signal coming from the USRP onto the USB bus. I know that the received signal is a baseband signal and assuming complex sampling (I have RFX2400 daughterboards) each complex sample that enters the USB bus is the following, x[i] = (inphase_component) + j (quadratu

Re: [Discuss-gnuradio] FIFO latency

2011-05-29 Thread Colby Boyer
On Sun, May 29, 2011 at 1:22 AM, Alexander Chemeris wrote: > On Sun, May 29, 2011 at 03:05, Marcus D. Leech wrote: >> On 05/28/2011 04:28 PM, Alexander Chemeris wrote: So, while this method is simple and good for non-realtime applications, it doesn't fit our needs. It may be usable

[Discuss-gnuradio] (no subject)

2011-05-29 Thread Wee Shinhan
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Re: [Discuss-gnuradio] FIFO latency

2011-05-29 Thread Alexander Chemeris
On Sun, May 29, 2011 at 03:05, Marcus D. Leech wrote: > On 05/28/2011 04:28 PM, Alexander Chemeris wrote: >>> >>> So, while this method is simple and good for non-realtime >>> applications, it doesn't fit our needs. It may be usable for PHY<->MAC >>> interaction, but even here I'm not sure it woul