IIRC, 5MHz and 10MHz is more sucepstible to interference than 20MHz. On Sun, Nov 22, 2009 at 7:38 PM, Israel Lopez-LISTS < ilopezli...@sandboxitsolutions.com> wrote:
> I'm gonna have to set up the environment again. Only thing I cant > simulate right now is distance. > > As long as it wasnt some voodoo config setting that made it work better, > I might have to play with the Mobile NS2's settings for it to play nicely. > > OT: What is CCQ? > > -Israel > > Josh Luthman wrote: > > It is very weird isn't it? > > > > Vi is better the Emacs. > > > > On 11/22/09, Mike <m...@aweiowa.com> wrote: > > > >> Josh: > >> > >> I thought that too. I have a handful of customers on a 5 MHz > >> sector. Winbox shows this: > >> > >> Emacs! > >> > >> > >> Mike > >> > >> At 07:32 PM 11/22/2009, you wrote: > >> > >>> I believe when you half the channels the rates also get halved - from > >>> 54mbit > >>> to 27mbit max (that is from 20mhz to 10mhz channels). > >>> > >>> I also can't see why you're voice would be having problems in half or > >>> quarter channels unless there is a software bug. It should only > improve > >>> unless you're using all available bandwidth. > >>> > >>> Josh Luthman > >>> Office: 937-552-2340 > >>> Direct: 937-552-2343 > >>> 1100 Wayne St > >>> Suite 1337 > >>> Troy, OH 45373 > >>> > >>> "The secret to creativity is knowing how to hide your sources." > >>> --- Albert Einstein > >>> > >>> > >>> On Sun, Nov 22, 2009 at 8:08 PM, Chuck Hogg <ch...@shelbybb.com> > wrote: > >>> > >>> > >>>> First, you should have a better signal than -70 at <5Miles away with a > >>>> 24dB/NS2 antenna and a B2HP/9dB omni. I get 65 or better with a 19dB > >>>> panel. > >>>> > >>>> Don't forget, 10MHz channel is 1/2 available bandwidth and 5MHz is 1/4 > >>>> available bandwidth. Really, you will get about 7-10MBit aggregate > >>>> (depending on how many customers) on a 5MHz channel connected at > 54MBit, > >>>> which requires signals at -74dBm with a good fade margin (10dB). > Also, > >>>> the TX power is significantly less for 54MBps (23dBm) vs > 24MBps(28dBm), > >>>> less than half. Likely, you are connecting at 48MBps or 36Mbps, which > >>>> at that rate your total available "real case" bandwidth is as little > as > >>>> 4MBps, while at 20MHz you are at 15+. > >>>> > >>>> A narrower channel should not affect your transmission, likely will > make > >>>> signals better, roughly double (+3dBm) from 20-10, and double from > >>>> 10-5(total +6dBm). > >>>> > >>>> Regards, > >>>> Chuck Hogg > >>>> Shelby Broadband > >>>> 502-722-9292 > >>>> ch...@shelbybb.com > >>>> http://www.shelbybb.com > >>>> > >>>> > >>>> -----Original Message----- > >>>> From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] > On > >>>> Behalf Of os10ru...@gmail.com > >>>> Sent: Sunday, November 22, 2009 6:20 PM > >>>> To: WISPA General List > >>>> Subject: Re: [WISPA] 10MHz, 5MHz - unstable for voice? > >>>> > >>>> Well next time definitely bring more food! Beef jerky and granola > bars. > >>>> > >>>> In my testing the narrower channels just made things slower. I was > >>>> testing in a pristine area where there was no other 5.8GHz going on. > >>>> >From what I hear if the environment had been polluted performance > might > >>>> have actually gone up with the narrower channels. > >>>> > >>>> >From what I've read narrower channels doesn't effect packet size or > >>>> transport. But switching to WDS bridged does. > >>>> > >>>> Greg > >>>> On Nov 22, 2009, at 6:15 PM, Israel Lopez-LISTS wrote: > >>>> > >>>> > >>>>> Its not in the field, but it is sitting here in my bedroom looking > >>>>> > >>>> cool :). > >>>> > >>>>> I was thinking that using the 10/5MHz bandwidth required one to setup > >>>>> something else. I'm not that familiar with the use of half/quarter > >>>>> > >>>> rate > >>>> > >>>>> channels and how that affects the frame transport/packet size etc,. > >>>>> > >>>>> I wonder if it was environment based rather than > >>>>> 'software/configuration' based. If I get some time this evening I > >>>>> > >>>> might > >>>> > >>>>> setup the gear again for more focused testing (Testing in the field > >>>>> > >>>> with > >>>> > >>>>> volunteers who are cold and hungry dont usually respond well to > >>>>> > >>>> testing > >>>> > >>>>> plans). > >>>>> > >>>>> -Israel > >>>>> > >>>>> os10ru...@gmail.com wrote: > >>>>> > >>>>>> Just for kicks I'd try WDS bridged. Do you have control from where > >>>>>> > >>>> you're at now? Is the equipment still set up? > >>>> > >>>>>> Greg > >>>>>> > >>>>>> On Nov 22, 2009, at 6:02 PM, Israel Lopez-LISTS wrote: > >>>>>> > >>>>>> > >>>>>> > >>>>>>> @Travis Johnson - Yes Upgraded to newest firmware for the two units > >>>>>>> > >>>>>>> @os10rules - Nope, Fixed was simple AP and Mobile was Station modes > >>>>>>> > >>>>>>> os10ru...@gmail.com wrote: > >>>>>>> > >>>>>>> > >>>>>>>> Running WDS bridged? > >>>>>>>> > >>>>>>>> Greg > >>>>>>>> On Nov 22, 2009, at 5:37 PM, Israel Lopez-LISTS wrote: > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>>> Hey All, > >>>>>>>>> > >>>>>>>>> I did some field tests (for overseas volunteer project) with some > >>>>>>>>> Ubituiti gear; Nanostation2 & Bullet2HP. > >>>>>>>>> > >>>>>>>>> One thing that was surprising was the performance degradation > when > >>>>>>>>> > >>>>>>>>> switching from 20MHz to 10MHz/5MHz. Our tests were Raw Bandwidth > >>>>>>>>> Tests(AirOS), Video (VLC UDP Stream), Voice (Trixbox G711 Voice > >>>>>>>>> > >>>> Call), > >>>> > >>>>>>>>> and MTR (Latency, Jitter) > >>>>>>>>> > >>>>>>>>> I still have data to collect and prepare a report for the tech > >>>>>>>>> > >>>> team, but > >>>> > >>>>>>>>> we did notice that when we switched to 10 or 5MHz bandwidth our > >>>>>>>>> > >>>> voice > >>>> > >>>>>>>>> calls was greatly degraded. Only one way; from Fixed to Mobile I > >>>>>>>>> > >>>> could > >>>> > >>>>>>>>> hear the Fixed station easily. Mobile to Fixed the voice was > >>>>>>>>> > >>>> choppy. > >>>> > >>>>>>>>> We started to get packet loss & massive jitter on 10MHz, just > >>>>>>>>> > >>>> going back > >>>> > >>>>>>>>> to 20MHz made the links stable. > >>>>>>>>> > >>>>>>>>> Fixed Station: On a mountain side - HPOL 9dBI Omni Directional > >>>>>>>>> > >>>> with a > >>>> > >>>>>>>>> Bullet2HP @400mW > >>>>>>>>> Mobile Station: 8km away near large body of water - Bullet2HP > >>>>>>>>> > >>>> @400mW w/ > >>>> > >>>>>>>>> 24dBi Directional (HPOL Alignment) -70dbm RSSI > >>>>>>>>> > >>>>>>>>> Any ideas? We are planning on using 10MHz channels & H-Pol to > >>>>>>>>> > >>>> combat > >>>> > >>>>>>>>> any future spectrum pollution and voice calls over this network > is > >>>>>>>>> > >>>> expected. > >>>> > >>>>>>>>> -Israel > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>> > ------------------------------------------------------------------------ > >>>> -------- > >>>> > >>>>>>>>> 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! 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! 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! 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/
