[Discuss-gnuradio] OFDM mod-demod

hi I was doing OFDM modulation demodulation in following way file source ---> OFDM Mod --->  Virtual Source Virtual Sink ---> OFDM demod ---> File sink File source out is given in byte format. This system give output for bpsk, qpsk and 8psk modulation. and no output for QAM schemes. What changes a

[Discuss-gnuradio] audio sink issue

Hi I am trying to implement the following acoustic communication transmitter with PC File Source --> Packet encoder --> gmsk mod --> Rational resampler     --> Frequency Xlating FIR filter  --> comp to real --> audio sink Pc has inbuilt sound card. packet encoder is taking 8 samples per symbol,

Re: [Discuss-gnuradio] OFDM transmitter receiver

kernel.shmmax gave value 2147483648. Sreena___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] OFDM transmitter receiver

Hi I used the ofdm transmitter receiver blocks to create a simple system as shown in the attachment. I used the system parameters as those used in the example transmitter and receiver grcs. Now I get error that 'Detected a packet larger than max frame size (80 symbols)'. I would like to know how

Re: [Discuss-gnuradio] Cmake error

Thanks for the comment. I updated my GNURadio to 3.7.4 and new module installation went well. Thanks once again. Sreena___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] cmake error

Hi I tried to implement python OOT module as given in the new tutorial. Everything was fine till I reached the installation step. cmake command made the following error..  -- Build type not specified: defaulting to release. -- Boost version: 1.49.0 -- Found the following Boost libraries: --   fi

[Discuss-gnuradio] buffer size

Hi I ran OFDM transmitter in the grc example using 1024 point fft. following error was raised after running the grc. Please help to get out of this error..  thread[thread-per-block[7]: ]: Buffer too small for min_noutput_items Thanks in advance Regards Sreena

[Discuss-gnuradio] audio out put

Hi I am modulating a .wav audio file and transmitting using ofdm example using gnuradio. What should I dou to receive it as an audio file using the receive example.  If i write the receiver output to a wav file, it don't give the required audio.  Please help regards Sreena___

[Discuss-gnuradio] PSK modulator output

Hi What kind of sink can be used to analyse the outpt of a PSK modulator. I am transmitting a text file and is trying to retrieve and analyse using file sink.___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listin

[Discuss-gnuradio] Creating OOT module

Hi I have written a block in python and was trying to create an out of tree module as given in the gnuradio tutorial.  While using cmake ../ the following error occured.  CMake Error: CMake can not determine linker language for target:gnuradio-dec CMake Error: Cannot determine link language for t

[Discuss-gnuradio] testing block written in block

Hi  I'm new to GNU radio and is trying to develop my own block. I want to develop a block that intake a vector and out put sum of the vector elements. I used the out of tree module and followed tutorial using python code. How should be the arguments of blocks.vector_source_f to be given if i am

[Discuss-gnuradio] CMake error

Hi I got the following error while doing the building out-of-tree module example given in "http://gnuradio.org/redmine/projects/gnuradio/wiki/NewTutorials3".  ttl@ttl-HP-Z220-CMT-Workstation:~/Documents/sreena/gr-tutorial/build$ cmake ../ -- Build type not specified: defaulting to release. -- Bo