[Discuss-gnuradio] USRP2 MIMO system implementation

2012-08-28 Thread Pan, Luyuan
Hello, I want to implement a MIMO system using USRP2, I just have USRP2s and MIMO cable. 1. Do I have to use an external clock source ? 2. I searched the maillist and found: Each USRP2 can handle 1 antenna with most daughterboards, or 2 if you have your own external RF sections connected to the

Re: [Discuss-gnuradio] Question about OpenBTS

2012-06-05 Thread Pan, Luyuan
a message. 1. I want to use USRP1 to do the project, Is it enough? (I have both of USRP1 and USRP2 at hand) 2. Is it that SMS-CB a better choice for me? (my ultimate goal is to broadcast some messages) Thank you for your help! -- Best regards, Pan, Luyuan

[Discuss-gnuradio] Question about OpenBTS

2012-06-03 Thread Pan, Luyuan
Hello, I want to set up the OpenBTS, and I want to know which board is better, USRP1 or USRP2? Or any other suggestion? Thank you. -- Best regards, Pan, Luyuan ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org

[Discuss-gnuradio] Question about stream tag

2012-05-24 Thread Pan, Luyuan
. -- Best regards, Pan, Luyuan ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] Question about stream tag

2012-05-24 Thread Pan, Luyuan
not know how to stop the streaming after 5 seconds. Thank you for your help. Any suggestion is appreciated. -- Best regards, Pan, Luyuan It sounds like you need to add a rate control to your MAC layer. Obviously, when you aren't transmitting, you don't want to be generating any samples. You'll need

Re: [Discuss-gnuradio] How to implement a TDMA system

2012-04-23 Thread Pan, Luyuan
enient for me to use the "stream tag"? Or maybe I can code in some higher level like python? Any comment/suggestion is greatly appreciated, thank you~ -- Best regards, Luyuan Pan Tom Rondeau 2012423 22:15 On Sun, Apr 22, 2012 at 3:16 AM, Pan, Luyuan panluy...@gmail.

[Discuss-gnuradio] How to implement a TDMA system

2012-04-22 Thread Pan, Luyuan
regards, Pan, Luyuan ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] Question about underrun

2012-04-16 Thread Pan, Luyuan
() to make sure all the data are sent out successfully), does it have some relation with the underrun. Any suggestion is appreciated. Thank you for your help! -- Best regards, Pan, Luyuan ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org

Re: [Discuss-gnuradio] Question about USRP2 Tx procedure

2012-04-14 Thread Pan, Luyuan
: text/plain; charset=ISO-8859-1 On 04/13/2012 06:54 AM, Pan, Luyuan wrote: Hi everyone, I now have some trouble in understanding how the usrp2 sent out the data. My scenario of the test is: We tried to control the usrp2 to transmit in a fixed time slot, such as 5 seconds. The code

[Discuss-gnuradio] Question about USRP2 Tx procedure

2012-04-13 Thread Pan, Luyuan
? Any suggestion is appreciated, thank you!! -- Best regards, Pan, Luyuan ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] [discuss-gnuradio] The Gnu radio's stream mode

2012-03-22 Thread Pan, Luyuan
Hello everybody, Many people say the Gnuradio operates in stream mode with the flowgraph, but I am not clear about the stream mode, for it is too abstract. Does anyone have a better way to understand it or interpret it in plain words? And one thesis says,'Gnu Radio is not designed to work