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Re: [Discuss-gnuradio] [discuss-gnuradio] The Gnu radio's stream mode

From: Nowlan, Sean
Subject: Re: [Discuss-gnuradio] [discuss-gnuradio] The Gnu radio's stream mode
Date: Thu, 22 Mar 2012 14:53:31 +0000

With stream tags you can precisely control timing of TX and RX, which should 
allow you to do packet transmission. 

Brief intro:

Also look at  these examples (copied from 
http://www.ruby-forum.com/topic/3832986) :

A description of tags here:

A tags demonstration:


-----Original Message-----
From: address@hidden [mailto:address@hidden On Behalf Of Pan, Luyuan
Sent: Thursday, March 22, 2012 5:09 AM
To: address@hidden
Subject: [Discuss-gnuradio] [discuss-gnuradio] The Gnu radio's stream mode

Hello everybody,
     Many people say the Gnuradio operates in stream mode with the flowgraph, 
but I am not clear about the stream mode, for it is too abstract. Does anyone 
have a better way to understand it or interpret it in plain words? And one 
thesis says,'Gnu Radio is not designed to work in packet mode, rather the 
scheduler is designed to operate on continuous data stream', so if I want to 
get precise-time control of the data packet, what should I do? (What I recently 
do is to switch the TX/RX using one antenna, I just make two top_blocks and 
switch them, the problem is there is too much delay. If I want to send 5 
seconds, I also need to wait to 1.5 sec to make sure it successfully sent all 
the data)
     Can I so lucky to reference someone's information or get a hand from you?
     Thanks very much !

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