Am I reading it correctly that your AP is transmitting at 12Mbit modulation on a 5MHz channel, which is 3MBit aggregate at best case scenario? If you do a speed test, what is the best download you can get out of it? 3-400kB/s? On an aggregate level, your VoIP would probably have an issue the first time one of the other CPE's start's receiving data.
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 Mike Sent: Sunday, November 22, 2009 9:54 PM To: WISPA General List Subject: Re: [WISPA] 10MHz, 5MHz - unstable for voice? LOL, I guess my little image didn't get embedded. Some connections are 12, some 48, and the closest 54. Mike At 08:13 PM 11/22/2009, you 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/ > > > > >-- >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 > > >----------------------------------------------------------------------- --------- >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/
