[Discuss-gnuradio] problem with carrier sense in USRP

2008-11-13 Thread Shirve
Hi, I am testing the carrier sense mechanism on USRP based on code from benchmark_tx.py and tunnel.py. My scenario is to receive packets from two distinctive nodes simultaneously at the third node. I am prefixing the payload with sender node name to identify the sender. When I am trying to send

[Discuss-gnuradio] error with benchmark_rx program

2008-10-29 Thread Shirve
Hi, I am facing a problem with benchmark_rx.py. On receiving side, sometimes its reporting problem with unpack module for payload. I have used the same program previously too and didn't have any issue with the same. I am confused what can be causing this problem. For you information, I am using

Re: [Discuss-gnuradio] how to get wireless carrier signal in GNU Radio

2008-10-25 Thread Shirve
, 2008 at 4:59 PM, Shirve [EMAIL PROTECTED] wrote: Hi Zhenghao, Thank you for your valuable reply. I appreciate it. As per your supplied information, I will start looking for CSMA code in tunnel.py, though if you can send me your code, it will be quite helpful too. I hope that using tunnel.py code

Re: [Discuss-gnuradio] how to get wireless carrier signal in GNU Radio

2008-10-23 Thread Shirve
. Zhenghao On Wed, Oct 22, 2008 at 6:19 PM, Shirve [EMAIL PROTECTED] wrote: Hi, As per the current status of GNU Radio, I got to know that there is no MAC (CSMA) implementation. Therefore I am not sure if I can get the signal from signal processing blocks of GNU Radio about the carrier

[Discuss-gnuradio] how to get wireless carrier signal in GNU Radio

2008-10-22 Thread Shirve
Hi, As per the current status of GNU Radio, I got to know that there is no MAC (CSMA) implementation. Therefore I am not sure if I can get the signal from signal processing blocks of GNU Radio about the carrier sensed by USRP receiver. Please help me in this regard. Till now I am able to locate

[Discuss-gnuradio] Problem being faced with am_rcv in gnuradio 3.0.4

2007-11-19 Thread Shirve
Hi, I am trying to get some audio signal (radio signals in the range of 89-107M) from am_rcv.py, but getting following dump. Am i doing it correctly ? Otherwise what could be the other possible reason for this? Help me to sort out this problem. gnuradio-3.0.4/gnuradio-examples/python/usrp$

Re: [Discuss-gnuradio] Alsa audio sink error

2007-11-01 Thread Shirve
Thank you Eric. It worked out nicely. With Regards -Sachin Eric Blossom wrote: On Wed, Oct 31, 2007 at 03:47:45PM -0700, Shirve wrote: Hi All, I am a starter for software radio. I have made the setup (USRP hardware RFX1200, Basic-Tx and Basic-Rx daugherboards from ettus and Ubuntu 7.04

[Discuss-gnuradio] Alsa audio sink error

2007-10-31 Thread Shirve
Hi All, I am a starter for software radio. I have made the setup (USRP hardware RFX1200, Basic-Tx and Basic-Rx daugherboards from ettus and Ubuntu 7.04 with all the dependencies installed as per gnuradio-wiki build guide) with gnuradio-3.0.4 stable release version and tested the USRP hardware