[Discuss-gnuradio] purpose of packet encoder/decoder block?

2014-01-06 Thread Irfan Ullah
what is the purpose of encoder/decoder block? is it used for synchronization or for some other purpose? please answer me as soon as possible regards Irfan Ullah___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/list

[Discuss-gnuradio] packet encoder purpose

2014-01-07 Thread Irfan Ullah
Hello everyone,               can someone tell me the purpose of packet encoder/decoder? Regards, Irfan Ullah___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] Fw: packet encoder purpose

2014-01-07 Thread Irfan Ullah
On Tuesday, January 7, 2014 2:54 PM, Irfan Ullah wrote: Hello everyone,               can someone tell me the purpose of packet encoder/decoder? Regards, Irfan Ullah ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org

[Discuss-gnuradio] QAM modulation

2014-01-07 Thread Irfan Ullah
Hello all,        is it possible to design our own block of QAM from small blocks like filters, synchronizers, adders etc. regards, Irfan Ulllah  ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gn

[Discuss-gnuradio] QAM modulation

2014-01-07 Thread Irfan Ullah
hello all, checking my mail subscribsion ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] Constellation Decoder problem in GRC

2014-03-30 Thread Irfan Ullah
Hi, I am working in GRC and I am Designing My own 16 QAM Transceiver without using the QAM modulation and demodulation blocks of GRC. I have done modulation using the python function qam_constellation from source code but now I have a problem how to demodulate the 16QAM without using the QAM demo

[Discuss-gnuradio] Is Simple Framer and Simple Correllator blocks will synchronize my data?

2014-05-27 Thread Irfan Ullah
correlator ) are suitable for this purpose or some modification is required in its code so that I can use it for my purpose. any help will be much appreciated and may your help will solve my many problems of this transciever please help me if YOU CAN. Regards , Irfan Ullah

[Discuss-gnuradio] I have a Question about channel model parameters

2013-05-02 Thread Irfan Ullah
hi all, Now a days i am working on cooperative communication and i am simulating my communication on channel model block but i don't know the purpose of the some parameters of channel model block like epsilon?, taps?, and frequency offset? can somebody tell me the purpose of

[Discuss-gnuradio] i have a question about channel model block

2013-05-06 Thread Irfan Ullah
hi all, i am working on channel model block but i have a confusion about the value of taps parameter in block how many taps i should include to simulate a real life channel like GSM wireless channel. and what are the values of these taps should i set? regards Irfan Ullah COMSTAS