So G makes sense for an upgrade or would the money be better spent on another technology such as mimo? -RickG
On Sat, Oct 3, 2009 at 6:06 PM, Matt Larsen - Lists <li...@manageisp.com> wrote: > We are in the process of replacing all of our old 802.11b gear with > 802.11g AP/CPE running on 10mhz channels. 802.11g on 10mhz channels > is a great solution, as it takes up less spectrum, has more interference > resistance and delivers about 2x the speeds of standard 802.11b. In > my experience, it has made it possible for us to double up the capacity > on our access points and offer 2-4meg speeds to our customers on those APs. > > I use StarOS for APs, and Tranzeo, Ubiquiti, Mikrotik and StarOS CPE > radios. Working great for me so far. > > Matt Larsen > vistabeam.com > > > > Marlon K. Schafer wrote: >> I've found that in noisy environments b works better. Just did a repair at >> a customer's site, 400 to 700k down, 2 to 3 megs upload. Switched from b/g >> to b only and no he gets a steady 4 megs both ways. Go figure. >> >> Mikrotik with xr2 card. Power set to 20dB with 13dB 120* hpol sector. >> About 25 subs on this one. LOTS of other 2.4 in the area. >> marlon >> >> ----- Original Message ----- >> From: "Jason Hensley" <ja...@jaggartech.com> >> To: "'WISPA General List'" <wireless@wispa.org> >> Sent: Thursday, October 01, 2009 7:58 AM >> Subject: [WISPA] To G or not to G :-) >> >> >> >>> In 2.4 land, if you have a lot of noise, which protocol is better - B or >>> G? >>> Is it better to run an AP as locked into one mode or is it OK to do a mix? >>> >>> Max I want off of 2.4 customers is 3meg so not that worried about the >>> extra >>> speed that G will provide, but, I would like to know which is more stable? >>> I've always thought that B was more stable overall but just provided less >>> bandwidth. I've gotten some info that may counter that. What's the >>> real-world experience with folks in a high-noise environment, combined >>> with >>> a higher useage AP? >>> >>> I've got an AP that we've run in B mode only for a while. We've started >>> having problems with it - speeds go from 3meg at the customer to 200k and >>> fluctuate constantly. We've worked with RTS, ACK timeouts, etc etc and >>> nothing seems to have improved the stability. For testing purposes we put >>> up another AP right next to the one we're having trouble with. Switched >>> two >>> of our gaming clients to that one (setup as G mode only) and they seem to >>> be >>> doing better, but not quite as good as we feel they could be. This is on >>> Deliberant AP's (Duos). The backhaul part of it is not the issue - we can >>> pull close to 15meg back to our office when cabled into the AP. We have >>> other Deliberant APs that are running MANY more clients than this one so >>> we >>> know it's not limitations of the equipment. AP is on top of a water >>> tower. >>> Have taken all clients off and brought them back on one by one and it did >>> not reveal anything significant. With just one customer on the AP started >>> acting up again. Swapped radios in the AP thinking we could have one >>> going >>> bad and still no luck. >>> >>> 2.4 antennas are H-pol. We have a ton of noise in the area, but we've >>> been >>> through basically every channel and it did not help either. Other AP's in >>> the vicinity are performing fine. Thought of the multipath issue so we >>> raised our test AP up a little higher than the other one. As I said, the >>> test AP seems to be better, but next to it on top of the tower we can get >>> around 8 or 9 meg down (locked into G mode), but at the CPE's we're still >>> barely getting 2.5-2.8meg. >>> >>> Any thoughts? We changed everything we can. The new "test" AP has a 9db >>> antenna compared to the 13db on the "production" AP. Other than that, >>> they >>> are identical as far as equipment goes. >>> >>> So, back to the subject question though, what's real-world experience with >>> G-only mode in the field? >>> >>> >>> >>> >>> -------------------------------------------------------------------------------- >>> WISPA Wants You! Join today! >>> http://signup.wispa.org/ >>> -------------------------------------------------------------------------------- >>> >>> WISPA Wireless List: wireless@wispa.org >>> >>> 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: wireless@wispa.org >> >> 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: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > -------------------------------------------------------------------------------- WISPA Wants You! 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