Re: [Discuss-gnuradio] Introducing noise/ considerable BER

2011-08-06 Thread Colby Boyer
On Sat, Aug 6, 2011 at 3:54 PM, Marcus D. Leech wrote: > ** > On 08/06/2011 06:27 PM, shantharam balasubramanian wrote: > > Hi > I have been working in usrp2 testbed, and I have been modifying the > benchmark_tx and rx programs for my project. There have been situations > where I was supposed to

Re: [Discuss-gnuradio] raw input data for those without hardware

2011-08-06 Thread Ben Reynwar
On Sat, Aug 6, 2011 at 5:29 PM, Nick Foster wrote: > On Sat, 2011-08-06 at 14:21 -0700, Ben Reynwar wrote: >> I don't have any hardware and am looking for some raw input data to >> play with.  It doesn't really matter what.  Where are good places to >> find this? >> >> I faintly remember people as

Re: [Discuss-gnuradio] raw input data for those without hardware

2011-08-06 Thread Nick Foster
On Sat, 2011-08-06 at 14:21 -0700, Ben Reynwar wrote: > I don't have any hardware and am looking for some raw input data to > play with. It doesn't really matter what. Where are good places to > find this? > > I faintly remember people asking this question here before, but > haven't come up with

Re: [Discuss-gnuradio] Introducing noise/ considerable BER

2011-08-06 Thread Marcus D. Leech
On 08/06/2011 06:27 PM, shantharam balasubramanian wrote: Hi I have been working in usrp2 testbed, and I have been modifying the benchmark_tx and rx programs for my project. There have been situations where I was supposed to introduce noise to find out BER. I did that by giving lower transmit

[Discuss-gnuradio] Introducing noise/ considerable BER

2011-08-06 Thread shantharam balasubramanian
Hi I have been working in usrp2 testbed, and I have been modifying the benchmark_tx and rx programs for my project. There have been situations where I was supposed to introduce noise to find out BER. I did that by giving lower transmitter amplitude values. But very low values cause packet loss alo

[Discuss-gnuradio] raw input data for those without hardware

2011-08-06 Thread Ben Reynwar
I don't have any hardware and am looking for some raw input data to play with. It doesn't really matter what. Where are good places to find this? I faintly remember people asking this question here before, but haven't come up with the right search terms to bring up those emails. Cheers, Ben __

Re: [Discuss-gnuradio] UHD with XCVR?

2011-08-06 Thread Marcus D. Leech
On 08/06/2011 04:11 PM, Marius wrote: Problem solved. UHD has better performance!! :) However I still face issues with UHD vs. raw-ethernet based useage. If I disconnect the IP based connection with network-manager I cannot get the old kind of usrp2 sources/sinks to work. For now - we have some

Re: [Discuss-gnuradio] UHD with XCVR?

2011-08-06 Thread Marius
Problem solved. UHD has better performance!! :) However I still face issues with UHD vs. raw-ethernet based useage. If I disconnect the IP based connection with network-manager I cannot get the old kind of usrp2 sources/sinks to work. For now - we have some USRP2s here - I switch the SD cards. Is

[Discuss-gnuradio] coerce endpoint - hier block API question with code

2011-08-06 Thread Marius
Hi! I'm creating an integration for the current GNU Radio >= 3.4 tree upwards for a 3d FFT display block. I put the code I got there, and added some changes: https://github.com/wishi/gr_3d_fft My probem is: Traceback (most recent call last): File "usrp_gl_fft.py", line 81, in main () Fi

Re: [Discuss-gnuradio] access clock_recovery values from packet_sink

2011-08-06 Thread Tom Rondeau
On Thu, Aug 4, 2011 at 7:24 AM, wrote: > Hi, > > I'm currently using the UCLA ZigBee PHY implementation by Thomas Schmid and > have got the following question: > > In the file "clock_recovery_mm_ff.cc" is a parameter "omega", which I would > like to change from within "ucla_ieee802_15_4_packet_si

[Discuss-gnuradio] (no subject)

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Re: [Discuss-gnuradio] [USRP-users] USRP-E100 update (new kernel and rootfs)

2011-08-06 Thread Almohanad Fayez
If you update the kernel uImage in your FAT partition, the filesystem, recompile UHD from GIT, and update your FPGA images things should work fine ... at least it worked for me! al fayez -Original Message- From: Radio Man To: Philip Balister Cc: usrp-users ; GNURadio Discus