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

2007-07-18 Thread zhifeng chen
Hi Kshitij, I am considering 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 J

Re: [Discuss-gnuradio] why two switches and two Rx in RFX series daughter boards?

2007-07-05 Thread zhifeng chen
Hi Matt, Thanks a lot! So, you means I just need connect between Tx/Rx and leave Rx2 unused for RFX 900. But I want to implement FDD (frequency division duplex), it should use Rx2. Do I need to make change to hardware? how? Thank you! 2007/7/6, Matt Ettus <[EMAIL PROTECTED]>: zhifen

[Discuss-gnuradio] Re: Need help on questions about two switches and two Rx in RFX series daughter boards

2007-07-04 Thread zhifeng chen
Is there anyone who may help to answer my questions below? I will give more detail descriptions if they are unclear. Thanks a lot! 2007/7/3, zhifeng chen <[EMAIL PROTECTED]>: I am wondering why there are two switches in the RFX series daughter from schematics. It seems their purpo

[Discuss-gnuradio] why two switches and two Rx in RFX series daughter boards?

2007-07-03 Thread zhifeng chen
? I think it is intentional designed, and since the tx signal is routed to Rx2 directly, so it is much stronger than come from its peer end, is it right? Thanks for your reply! BR, Zhifeng ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http

[Discuss-gnuradio] how to set parameters for usrp_nbfm_ptt.py

2007-06-29 Thread zhifeng chen
ptt.py, my current setting is: ./usrp_nbfm_ptt.py -f 900e6 for both PC_A and PC_B. 4. after showup the gui, I can't move the sliders in the control panel, although there are sliders there. Is it normal? Thank you very much! Sincerely, Zhifeng ___ D

[Discuss-gnuradio] why some components are skipped?

2007-06-26 Thread zhifeng
Hi, When I install GNU Radio in Ubuntu 7.04, after ./configure, there are some components skipped. I follow the wiki strictly in gnuradio.org and find some other people also have such issues, but I can't find answer for: 1. What is the reason these components are skipped? 2. whether it may impact

[Discuss-gnuradio] about how to test RFX900 with USRP

2007-06-25 Thread CHEN,ZHIFENG
Hi, I am a beginner in USRP for GNU Radio. I just buy two sets of USRP with RFX900 for our project. There is no any documents together with the package. That is fine for play USRP monther board. I have test the USRP and it is fine. But when I want to test a transmitter and receiver between two

[Discuss-gnuradio] about how to test RFX900 with USRP

2007-06-24 Thread zhifeng
, usrp_oscope.py... It is really a painstaking for me now. Any advices is highly appreciated. Thank you very much! BR, Zhifeng ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] test my confirmation

2007-06-23 Thread zhifeng
I have joined the mailing list by another email and ask some questions, but I neither received my own email for maillist, nor received reply from others, so I just test this email. Sorry to bother others. ___ Discuss-gnuradio mailing list Discuss-gnur