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Re: [Discuss-gnuradio] Packet via USB
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] Packet via USB |
Date: |
Wed, 9 Jan 2008 09:33:49 -0800 |
User-agent: |
Mutt/1.5.17 (2007-11-01) |
On Wed, Jan 09, 2008 at 03:57:58PM +0100, address@hidden wrote:
> Hi, thanks you for your reply.
> Tx side it's all ok.
> The problem is on Rx side,
> Using Oscilloscope with usrp_fft.py or saving samples
> on disk i noticed all packet are transmitted. This is true using high value of
> interpolation/decimation factor (very low bit rate).
> What do you think about this?
> It's like "sweep time" of a digital spectrum analyzer, where a very short
> burst
> isn't recognized?
Yes.
> Or the problem is on the read routine where all URB buffer's
> point at the same output buffer, especially in presence of a "weight"
> demodulation block ?
No, we get all the packets/samples.
You may be looking for a "burst detector" block.
Eric