DiX wrote: > Hi everyone, > > I am using FLEX2400 d'boards to transmit and receive 802.11b packets > with codes from bbn and gnuradio_example/python/digital. The problem is the > d'board is always interferenced by some CISCO access points and other > wireless cards located right outside of my lab. > > I connect the usrp to my pc with a cable (-30db attenuator applied). I > hope it receives nothing but packets from my pc. But the d'board can still > get packets from other wireless card. Then I put the m'b and d'b into the > black enclosure. Packets still come in. And finally, I put everything (m'b, > d'b, black box, attenuator) in my metal drower. Most packets are shielded > out. Some still can be caputured and demodulated.%-| > > why is the d'b able to hear others even when I connect attenuators and > cable to its antenna? > > -DX It might pick it up on the 6V power cable. You could try putting ferrite beads around the power cable to reduce this.
greetings, Martin _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
