One way I check for bottlenecks it to run 'top -H' and watch the various threads. If you see any one thread pegged at 100% then it needs to be optimized. At least that's my method :)
On Mon, Aug 29, 2016 at 9:46 AM, Ihab Zine <ihab.zin...@gmail.com> wrote: > Hi Marcus, > > I have been through the GNU RADIO tutorials , I also dived into adapting > gr-dvbt, and it worked for me. But how can i find out where my transceiver > BER bottlenecks and where my computational bottlenecks come from? Is the a > method or steps i can follow? I need some hints on this. > > Best Regards > Ihab > > On 24 August 2016 at 15:12, Ihab Zine <ihab.zin...@gmail.com> wrote: > >> Hi Ron and Marcus, >> >> For frequency higher than 6 Ghz, a down converter can be used to over >> come this problem. >> >> for the data rate and bandwidth, the PC i'm using has the following >> specifications: >> >> Architecture: x86_64 >> CPU op-mode(s): 32-bit, 64-bit >> Byte Order: Little Endian >> CPU(s): 20 >> On-line CPU(s) list: 0-19 >> Thread(s) per core: 2 >> Core(s) per socket: 10 >> Socket(s): 1 >> NUMA node(s): 1 >> Vendor ID: GenuineIntel >> CPU family: 6 >> Model: 63 >> Model name: Intel(R) Xeon(R) CPU E5-2660 v3 @ 2.60GHz >> Stepping: 2 >> CPU MHz: 1553.804 >> CPU max MHz: 3300.0000 >> CPU min MHz: 1200.0000 >> BogoMIPS: 5197.32 >> Virtualization: VT-x >> L1d cache: 32K >> L1i cache: 32K >> L2 cache: 256K >> L3 cache: 25600K >> NUMA node0 CPU(s): 0-19 >> >> I think it can handle this rate. Please correct me if i'm Wrong. >> >> i have other questions: >> >> >> - There are (synchronizers, equalizers, channel codes etc) blocks in >> the gr-dvbt project why I cant use them? >> - when you mentioned channel coding do you mean that i need to create >> a new one? and Why would I need it? >> - If i need BCH performance Why is difficult to achieve? >> - if the data requirement is fine (CPU and etc), what is the best way >> to start building the receiver? How can I figure out the blocks That i >> need >> for this receiver? >> >> >> Regards >> Ihab >> >> >> On 23 August 2016 at 14:34, Ihab Zine <ihab.zin...@gmail.com> wrote: >> >>> Hi Ron, >>> >>> 1) Frequency range: 1.5 - 38 GHz >>> >>> 2) Bandwidth range : 2 - 56 MHz >>> >>> 3) Modulation : Qpsk - 256 QAM >>> >>> 4) Data rate range : 150Mbit/s - 326Mbit/s. >>> >>> 5) Error correction method : i thinks it is FEC. >>> >>> Ihab >>> >>> On 22 August 2016 at 12:33, Ihab Zine <ihab.zin...@gmail.com> wrote: >>> >>>> Hi All, >>>> >>>> I'm working on a project using GnuRadio And USRP 205 mini, i'm at the >>>> stage where i need to demodulate a microwave link signal. >>>> >>>> Anyone has an experience with Microwave link or tried to do something >>>> similar? >>>> Is it possiable to do it in gnuradio? or is there another approaches to do >>>> it? >>>> >>>> I'd appreciate any information you could give me. >>>> >>>> Thanks >>>> Ihab >>>> >>> >>> >> > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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