Our office is in the same city as Deliberant, so we have been able to test their new proprietary PtP radios quite extensively. We don't test for raw throughput; we focus on consistent payload with low latency, low jitter and the ability to handle a lot of PPS. While I don't claim to no the limits of their radios, I can tell you that we setup an emulated DS1 (CESoPSN) through their radios with a testset running quasi. The test completed without errors during a 30min run. The test subjected to the radios to 2000pps aggregate with an IP payload size of 192k. Latency was as expected given the distance we were testing (1 mile) and jitter averaged 0.7ms. The performance was in excess of what we have seen with 802.11a-based radios, which I believe speaks positively to the MAC changes they made. Again, we didn't test to see what they were capable of; only that they would meet our minimum requirements, which many radios do not.
-Matt On Apr 24, 2008, at 6:26 PM, Harold Bledsoe wrote: > The 70Mbps is a 40Mhz channel. We get around 40Mbps on a 20MHz > channel. > The PTP product is not an 11a mac as that has been rewritten by us to > improve performance, especially over distance and to allow for better > 2-way traffic handling, among other things. > > 70Mbps over distance (and higher) is possible with MIMO technologies > in > a 20MHz channel though. > > -Hal > > -----Original Message----- > From: Gino Villarini <[EMAIL PROTECTED]> > Reply-To: WISPA General List <wireless@wispa.org> > To: WISPA General List <wireless@wispa.org> > Subject: Re: [WISPA] Radio Vendor Suggestions > Date: Thu, 24 Apr 2008 17:45:52 -0400 > > I wouldn't count on any 802.11a hitting 70 mbps in a 20 mhz > channel .... > maybe on a 40 mhz channel if you do some atheros tricks, if you have > the > cpu power and if you have enough fade margin .... > > Gino A. Villarini > [EMAIL PROTECTED] > Aeronet Wireless Broadband Corp. > tel 787.273.4143 fax 787.273.4145 > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > On > Behalf Of Jason Hensley > Sent: Thursday, April 24, 2008 5:40 PM > To: 'WISPA General List' > Subject: Re: [WISPA] Radio Vendor Suggestions > > Ligowave is real close. 2.4, 5.8 in the same box. 900MHz solution. > 70MBps > PtP, but not sure distance on that. 5.3 and 5.4 are coming very soon > from > what I hear but don't know that for sure. > > > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > On > Behalf Of Chuck McCown > Sent: Thursday, April 24, 2008 4:06 PM > To: WISPA General List > Subject: Re: [WISPA] Radio Vendor Suggestions > > If you discover a radio that will do what you are looking for here > (ptmp > assumed) please let me know. > ----- Original Message ----- > From: "Zachery Wolfinger" <[EMAIL PROTECTED]> > To: <wireless@wispa.org> > Sent: Thursday, April 24, 2008 12:00 PM > Subject: [WISPA] Radio Vendor Suggestions > > >> Our company has used a single radio vendor exclusively for the last 6 >> years. My VP has instructed me to start trials with other vendors. >> Who do you all suggest for: >> >> Unlicensed >> 60+ Mbps >> up to 25 mile links >> 5.4 / 5.8GHz (same vendor should also offer 5.3 GHz for shorter >> links) > >> same vendor should also offer a 900MHz solution for neighborhood >> coverage (2-3 mile radius) >> >> Thank you, >> Zak Wolfinger >> IT Director - Cyberlink >> 888-293-3693 Ext 4357 >> >> >> >> >> >> >> >> >> >> ---------------------------------------------------------------------- >> ---------- >> 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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