Re: [Discuss-gnuradio] recv frame size

++ version 4.8.4; Boost_105400; UHD_003.010.000.git-249-gef57ffcb Best regards, Ram On Thu, Mar 9, 2017 at 2:32 PM, Marcus Müller wrote: > Hi Ram, > > maybe you'd want to tell us about your latency problem first, and then > we'd discuss that. In the meantime: yes, that's inte

[Discuss-gnuradio] recv frame size

1472 bytes -- Current send frame size: 572 bytes I am using 2 USRPs X310 with 10G ethernet and 2921 with 1G ehternet. But it mathers not where I have TX/RX, it does always show the same. I am running on Ubuntu 14.04 and GNURadio 3.7.10. I would be really grateful for any hint, thank you :) Best re

[Discuss-gnuradio] Requesting for suggestion to transmit Signal in 2 x 2 MIMO network

Hi Everyone I am trying to 2 x 2 MIMO using USRPN210.. Until now I have successfully constructed a receiver using 2 USRPs having a daughter board RFX2400 using the freely available file multi_sampler.cpp .. I have been able to recieve the signals synchronously with zero phase off

[Discuss-gnuradio] (no subject)

hi list I ve a very basic doubt in the output FFt plot of frequency translation.if i do frequency translation i should get two peaks at f1+f2 and f1-f2.i get this output when i keep my output at float. And when i change the type to complex i am getting only f1+f2.can anybody tell why is it so?and

[Discuss-gnuradio] hi

hi can anybody help me in generating an exponential waveform in GRC.and i also want to know how i can implement ASK,FSK and PSK in GRC.what should be the input source. Ranjini ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gn

[Discuss-gnuradio] fm GENERATION

HI, CAN ANYBODY TELL HOW I CAN GENERATE FM SIGNAL USING GRC? RANJINI ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] sampling frequency

hi Am trying to receive FM broadcasting signals in the range 88-108Mhz.i couldn receive the desired band.actually i tried to receive 106.4Mhz.i ve a doubt in the sampling rate which i choose which may be the reason for not receiving.can anybody tell what should be the sampling rate and decimation

[Discuss-gnuradio] doubt in thesis of Danny Gracia

hi i ve some doubts in Danny Gracia's thesis work on NTSC_RECEIVER,if any body ve come across this please be kind enough to clear my doubts.o 1)i didnt understand the modules scaline_detector and max-min detector mainly calculation of parameters like state,scan width,max_scanline_buffer_length and

[Discuss-gnuradio] tv receiver

hi, i am working on tv reception.i got a python code for that but i found that it is an unfinished code.there is no horizontal and vertical synchronisation as well color decoding is also not there.can anybody help me out in this issue? Thanks in advance Ranjini ___

[Discuss-gnuradio] color decoding of tv signals

hi, Currently am involved in work where i can receive multiple stations simultaneously.I could do for fm broadcasting now am cworking in tv signals.i found that signal decoding is an issue.can anybody guide how to proceed with color signal decoding of tv signals. thanks in advance Ranjini

[Discuss-gnuradio] choice of antenna and daughter board

hi Am sorry i forgot to mention the frequency range.am concentrating on FM broadcast transmissions i.e.88-108Mhz.i found like both TVRX operates in 50-860hz.This lead to confusion in choosing the daughter board.please do help me in this. Ranjini ___ Dis

[Discuss-gnuradio] choice of antenna and daughter board

hi, can any body tell which is the antenna and daughter board that has to be used in receiving FM...which is the best TVRX of Basic RX? Ranjini ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnur

[Discuss-gnuradio] multiple tabs

c. Siva On Sat, Feb 26, 2011 at 7:46 AM, ranjini ram wrote: hi can anybody help me out in creating multiple tabs in a single output window.eg.one tab indicating RF spectrum second IF spectrum and so on.. Thanks in advance ___ Discuss-gnuradio mail

[Discuss-gnuradio] multiple tabs

hi can anybody help me out in creating multiple tabs in a single output window.eg.one tab indicating RF spectrum second IF spectrum and so on.. Thanks in advance ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/lis

[Discuss-gnuradio] ssb demodulation

hi can anybody help me out in doing ssb demodulation using weaver method with a sampling rate of 256k? thank u in advance ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] multiple reception simultaneously

try this out in video signals.but i found that colour decoding is a tedious task.i am new to this field. can anybody please help me in this issue.. thanking you Ranjini Ram ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org

[Discuss-gnuradio] USRP2 MIMO setup problem

Hi all, I am trying to create a two transmitter setup with two USRP2s connected with the MIMO cable. I use the trunk version of GNURadio (Friday, Jan 29,2010) on laptops running Ubuntu 9.04. >From previous emails and looking at the code, the relevant code for two transmitter setup seems to be

[Discuss-gnuradio] Build Problem - Ubuntu 8.04

Hello, I am installing GNURadio code from the trunk using git on a laptop running Ubuntu 8.04 and have some build problems. I follow the instruction for installing the code given in the wiki. i.e installing the required software using sudo apt-get, installing boost_1_37. Then I do ./boot

[Discuss-gnuradio] USRP Delays

Hi everyone, I am interested in knowing the delay jitter of the total transmission time of a packet/waveform. Specifically, I want to know the time between the time the flowgraph is tsarted in python (tb.run or tb.start) and the time that the first sample is transmitted into the a

[Discuss-gnuradio] Switching On and Off the Power Amplifier in python

Hi all, I am trying to perform On Off Keying and I figured out that the way actual chips (TI-Chipcon 1000) do it is by turning on and off the power amplifier. I found out that when I just modify the transmit constellation and use benchmark_tx.py the received power does not go down to 0 when

Re: [Discuss-gnuradio] On Off Keying

Thanks for all the discussions. It has definitely given me clarity into what is happening. . I understand that the DC component of the transmitted signal, along with the frequency offset causes a strong tone at the receiver. I have linked two plots of the real part of the received baseband samples

[Discuss-gnuradio] On Off Keying

Hi, I am trying to send a stream of bits using On Off keying and am having some issues. At this stage, I just want to check if 1's and 0's are getting received with a high and low amplitude respectively. I have modified dbpsk.py setting the constellation to 0+0i and 1+0i in psk.py and invoke t

[Discuss-gnuradio] BBN's 802.11b code

Hello all, I am trying to understand the BBN code for 802.11b. I must state upfront that I am not an expert in communication systems. 802.11b uses dBPSK and dQPSK modulations for its 1Mbps and 2Mbps rates. I explored how a dBPSK module looks like and I am able to make sense of the code in g

[Discuss-gnuradio] Re: Discuss-gnuradio Digest, Vol 67, Issue 15

Thanks for the quick reply. Please see inline responses. > > > Date: Fri, 06 Jun 2008 12:19:56 -0400 > From: Greg Troxel <[EMAIL PROTECTED]> > Subject: Re: [Discuss-gnuradio] 802.11 on USRP+GNURadio > To: "sri ram" <[EMAIL PROTECTED]> > Cc: dis

[Discuss-gnuradio] 802.11 on USRP+GNURadio

Sorry. The subject of my previous mail ought to have been 802.11 on USRP. Sriram ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] Parsing a packet

Mbps (disregarding probe packets from other APs). But this does not seem to happen.. I use gnuradio-3.1.2 on Ubuntu Dapper with a 2 GHz Intel core duo processor and 2 GB RAM. I would be grateful for any directions/pointers on the above and how I could get the USRP to receive a continuous 1 Mbps 8

[Discuss-gnuradio] ram sent you a friend request on Yaari...

ram ramani wants you to join Yaari! Is ram your friend? Yes, ram is my friend! No, ram isn't my friend. Please respond or ram might think you said no :( Thanks, The Yaari Team You are receiving this message be

Re: [Discuss-gnuradio] Flex2400 and benchmark_rx.py - receiving only fraction of packets

Hello Dan, Using a higher decimation rate (128) , that problem does not arise. Thanks, Sriram On Dec 24, 2007 3:16 PM, sri ram <[EMAIL PROTECTED]> wrote: > Hello Dan, > I see that the u0 occurs once every 3 entries which could > explain the ra

Re: [Discuss-gnuradio] Flex2400 and benchmark_rx.py - receiving only fraction of packets

PGP SIGNED MESSAGE- > Hash: SHA1 > > sri ram wrote: > > P.S. I am attaching the output of the rx side. > > uOok = True pktno = 47 n_rcvd = 48 n_right = 48 > ok = True pktno = 48 n_rcvd = 49 n_right = 49 > ok = True pktno = 49 n_rcvd = 50 n_r

[Discuss-gnuradio] Flex2400 and benchmark_rx.py - receiving only fraction of packets

Hi all, I am working with Flex2400 boards and the USRP. I have a question about the digital module (GMSK data transfer). I observe this: When I send 660 packets , I receive less than 400 of them and less than 200 are correct. I setup two PCs with ubuntu and with an USRP each. The antennas wer

[Discuss-gnuradio] Re: Discuss-gnuradio Digest, Vol 48, Issue 18

Hello people,   I an planning on buying a desktop, what configuration do you think is best so that I can connect the USRP and work with it efficiently.  Also ,let me know if I should have any specific hardware or memory requirements.   Thanks,   Ram       On 11/7/06, [EMAIL PROTECTED] <[EM

[Discuss-gnuradio] Support for SUSE 10.1 on x64

Hi people,   Will GNU radio build and install on a X64 box running SUSE linux 10.1   Thanks,   Ram Ramani ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio