On Sun, April 22, 2007 10:14 am, Carl Lowenstein wrote: > On 4/22/07, Lan Barnes <[EMAIL PROTECTED]> wrote: >> >> On Sun, April 22, 2007 12:15 am, Karl Cunningham wrote: >> > Lan Barnes wrote: >> >> So my question is this. Is there anything I need to do on the Myth >> box >> >> and >> >> perhaps the laptop to tell _their_ d-link cards that we're now doing >> the >> >> 108G thing? And, yes, I have googled. But I know there are better >> >> googlers >> >> on this list. >> >> >> >> It would be nice to avoid drilling the ceiling for cat 5. My wife >> >> *likes* >> >> the Myth box just fine, especially when we don't have to fight the >> kids >> >> to >> >> wrestle her air time (the Friday Newshour, por exemplar) away from >> the >> >> kids. But every time I put time into improving it, she gets that >> >> withering >> >> "it's JUST TV" look. >> > >> > You should be able to check the actual speed with iptraf on the >> server. >> > The 802.11 stuff cuts back the speed if the signal strength is low. I >> > did a test recently with a laptop, running iptraf while downloading a >> > large file from an ftp server on the lan. Speed started dropping about >> > 30' away. At 60-75' it had slowed to a crawl. >> > >> > EMBV (everyone's mileage is bound to vary). >> > >> > Karl >> >> Hmm ... my router also has a "boost power" check box. I'll goose that >> and >> see what happens. >> >> Because you didn't mention it, I am surmising that there is NOT any 108G >> mojo to apply to the receiving stations' drivers. > > Note that there are two signal paths involved. The router/WAP to the > receiving PC and the > return path back to the router. Boosting the transmitted signal power > in one direction does not help the other. While most of the flow is > outward to the receivers, the return path is still necessary for > handshaking. > > If your physical layout allows, a directional antenna on the WAP can > improve signal strength both ways. Decreasing the angular coverage > from 360 degrees to 120 or 90 degrees is a good thing. > > carl
120 on the router is very doable. It is at one end of the house. The antenna on the router is a stub, presumed 360. Where does one get a directional? I could also do a directional on the Myth box. -- Lan Barnes SCM Analyst Linux Guy Tcl/Tk Enthusiast Biodiesel Brewer -- [email protected] http://www.kernel-panic.org/cgi-bin/mailman/listinfo/kplug-list
