[Discuss-gnuradio] Continuos data transmission using messages ...

2008-02-26 Thread Kshitij Kumar Singh
I am having a little problem working with messages. I want to transmit an entire binary file using messages over and over again. Eg., msg1 transmits file x, msg2 again transmits file x and so forth. My problem is that I'm unable to find a way to loop over the file again and again. I tried using

Re: [Discuss-gnuradio] Multiple simultaneous top blocks?

2008-02-15 Thread Kshitij Kumar Singh
Eric, thanks for the quick reply. The file 'transmit.dat' is a binary file of unsigned chars created using gr.vector_sink_b, so when importing it in this manner, all i get to see is gibberish on the screen... Johnathan, scoping out the first script works just fine. .. thanks. Regards, Kshitij

[Discuss-gnuradio] Multiple simultaneous top blocks?

2008-02-15 Thread Kshitij Kumar Singh
Hi, For an application I needed to import some data into my module and then packetize it. The data being quite large, comes from a file. My problem is that multiple instances of top_block aren't allowed, so once I have imported my data, I can't run my program. Even if I nest this inside a

[Discuss-gnuradio] Problem setting transmit gain values....

2008-01-31 Thread Kshitij Kumar Singh
Hi, I tried out a simple script to get the gain range of the USRP (I had read in earlier mail archive that we were provided a single gain knob to tune over the entire range of 0 to 90 dB): - from gnuradio import gr, usrp u = usrp.sink_c(0) subdev =

Re: [Discuss-gnuradio] Problem setting transmit gain values....

2008-01-31 Thread Kshitij Kumar Singh
On Thu, 2008-01-31 at 11:33 -0800, Matt Ettus wrote: Kshitij Kumar Singh wrote: Hi, I tried out a simple script to get the gain range of the USRP (I had read in earlier mail archive that we were provided a single gain knob to tune over the entire range of 0 to 90 dB

Re: [Discuss-gnuradio] Storing A/D samples in memory.........

2007-07-19 Thread Kshitij Kumar Singh
the channel estimation by pilot. So, it may very like what you want. Could you give more detail what is your target? Is there any one have experience on the real time channel estimation (with pilot) on GNU Radio? 2007/7/18, David Scaperoth [EMAIL PROTECTED]: On Jul 18, 2007, at 4:53 PM, Kshitij Kumar

[Discuss-gnuradio] Storing A/D samples in memory.........

2007-07-18 Thread Kshitij Kumar Singh
As a part of some research work on cooperative communications in wireless networks, I had decided to use the USRP as one the of my implementation platforms. I used the tutorials by D. Shen as a reference. There are, however , some specific problems I need help with :

[Discuss-gnuradio] Interfacing USRP through LabView..........

2007-02-15 Thread Kshitij Kumar Singh
be appreciated.Also, can the Instrument Control Toolbox in Matlab be used for the same purpose?...if so, the I might be able to design a GUI using 'guide' PS: Are there any newer ports of USRP on Windows other than http://www.olifantasia.com/projects/gnuradio/mdvh/mingw/ .? Kshitij Kumar Singh