Re: [Discuss-gnuradio] ALOHA, ARQ and simple PHY on GNU Radio

Hi Ahmed, I think you ned to install Viterbi libraries to remove the error. Check whether the source website also provides these. hope his helps, -Sumit > Hi guys, > Sorry for the missing reference in last email. As per following: > > /We have implemented a simple transceiver chain including an

Re: [Discuss-gnuradio] os.popen broken pipe error

> On Sun, Apr 12, 2009 at 08:42:59PM -0400, satar...@eden.rutgers.edu wrote: >> Hi, >> >> I am trying to open one python script from another using the following >> code: >> >> >> command = 'python send.py -d %d -s %d -c %d -n %d -f trash_file.txt' >> %(dest_addr, sender_addr, cmd, seqno) >> os.pope

[Discuss-gnuradio] os.popen broken pipe error

Hi, I am trying to open one python script from another using the following code: command = 'python send.py -d %d -s %d -c %d -n %d -f trash_file.txt' %(dest_addr, sender_addr, cmd, seqno) os.popen(command) I get the broken pipe error for some reason. Can anyone please explain what is happening?

Re: [Discuss-gnuradio] Some Basic USRP questions

> 1) When I run my scripts I sometimes get "uOuOuO" message. I read in the archives that I need to increase the decimation rate but I have already set it to the maximum limit of 256. What should I do? Also, why do I not get the message all the time? > Hi, > >

Re: [Discuss-gnuradio] Some Basic USRP questions

already >> set it to the maximum limit of 256. What should I do? Also, why do I not >> get the message all the time? >> >> 2) When configuring the USRP Tx and Rx, is it necessary that the >> interpolation and decimation rates should be the same? >> >> th

[Discuss-gnuradio] Some Basic USRP questions

he maximum limit of 256. What should I do? Also, why do I not get the message all the time? 2) When configuring the USRP Tx and Rx, is it necessary that the interpolation and decimation rates should be the same? thanks and regards, -Sumit Satarkar _

Re: [Discuss-gnuradio] USRP Receiver config problem

> On Thu, Mar 26, 2009 at 01:24:37PM -0400, satar...@eden.rutgers.edu wrote: >> Hi, >> >> I am trying to run ALOHA MAC on gnu radio. The modulation scheme used is >> GMSK. The Tx and Rx chains are as follows: >> >> Tx Chain: >> >> src -> framer -> crc enoder -> fec encoder -> preamble -> nrz -> >>

[Discuss-gnuradio] USRP Receiver config problem

Hi, I am trying to run ALOHA MAC on gnu radio. The modulation scheme used is GMSK. The Tx and Rx chains are as follows: Tx Chain: src -> framer -> crc enoder -> fec encoder -> preamble -> nrz -> interpolator -> Gauus filter -> FM modulator -> gain -> usrp_tx Rx Chain usrp_rx -> filter -> demod