First, your signal is much too high. Multipath is a reflected signal. The newer radios hear quite nicely down to -94 or lower. The AVERAGE reflected signal is about 30dB.
So if you have a signal any greater than -65 you'll be MORE likely to get multipath. It can't always be helped but I try.... If you think it might be multipath move the radio up or DOWN by a foot or so at a time. Sometimes I've had to put a radio very close to the ground or something in order to get it to work right. Up is the direction you want to go if you can, but sometimes down will actually work better. I've doubled people's speeds by moving the antennas down by as little as 2 feet. marlon ----- Original Message ----- From: "Mark McElvy" <[email protected]> To: "WISPA General List" <[email protected]> Sent: Tuesday, September 29, 2009 11:39 AM Subject: [WISPA] Multipath >I am curious if anyone thinks this is multipath and has a suggestion on > how to fix. > > > > This just happens to be my dads house, radio mounted to a j-mount on eve > of house, clear LOS to tower <1 mile away, -56 signal. This eve is over > the porch roof to the east and signal shoots over the south plane of the > roof which is an approx 30deg angle. I was over this morning and he is > complaining the Internet is not working and I go in to do some > troubleshooting. I setup a constant ping to the AP and I am getting > <1ms, I start to browse and the pings jump to >300ms and random lost > packets. > > Configure a new radio in the house and have a -75 signal in the house, > try the ping thing again and all seems fine. I replace he radio on the > roof and I am back to the poor ping times again. > > > > Now I don't understand multipath as well I should but it seems to make > sense in this case. Is it possible to reduce or remedy without moving > the radio to a totally different location? > > > > Mark McElvy > AccuBak Data Systems, Inc. > > > > > > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: [email protected] > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: [email protected] Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
