The luxul snake oil worked no better than a 6dbi omni, cost signifigantly more, and stacked two four port splitters after a two port splitter. It was a mess.
On 10/25/11, Chuck Hogg <[email protected]> wrote: > Eric: The whole purpose of this test was to create an omni effect. > You're talking about something totally different, and I have often > wondered that as well. I think there was a company that did this a > long time ago, Luxul maybe? You would buy their antenna array..and > they claimed a lot but nothing materialized out of it AFAIK. > > Jim: I don't have the data sheets for them, actually they (my techs) > assembled everything while I was in Vegas. > > We've gone ahead and converted more clients over to it today, and > speeds/latency are just the same when it was one sector. > > Regards, > Chuck > > > > On Tue, Oct 25, 2011 at 4:04 PM, Eric Rogers <[email protected]> > wrote: >> I have often wondered if it would be better to have two antennas in one >> given direction, with one being \ pol and the other antenna being used for >> / >> pol. I wondered if special diversity would allow us to achieve better >> penetration results to clients without using splitters. >> >> >> >> Basically order the two of the standard moto antennas, but use one >> polarity >> on each. >> >> >> >> Eric Rogers >> >> Precision Data Solutions, LLC >> >> (317) 831-3000 x200 >> >> >> >> >> >> From: [email protected] [mailto:[email protected]] On >> Behalf Of [email protected] >> Sent: Tuesday, October 25, 2011 2:49 PM >> To: WISPA General List; WISPA General List >> Subject: Re: [WISPA] Splitters with Motorola Canopy 320 - Results Update >> >> >> >> You are not really talking a phased array here. Lengths should not be >> critical. >> >> ----- Reply message ----- >> From: "Josh Luthman" <[email protected]> >> To: "WISPA General List" <[email protected]> >> Subject: [WISPA] Splitters with Motorola Canopy 320 - Results Update >> Date: Tue, Oct 25, 2011 2:39 pm >> >> >> Premades? Or did you make your own and get as close as humanly possible? >> >> Josh Luthman >> Office: 937-552-2340 >> Direct: 937-552-2343 >> 1100 Wayne St >> Suite 1337 >> Troy, OH 45373 >> >> >> >> On Tue, Oct 25, 2011 at 1:55 PM, Chuck Hogg <[email protected]> wrote: >>> It is my understanding that they need to be of the same length. That >>> was our design, all the same length...we used 18" LMR 240 for this >>> situation. >>> >>> Regards, >>> Chuck >>> >>> >>> >>> On Tue, Oct 25, 2011 at 1:30 PM, Kristian Hoffmann <[email protected]> >>> wrote: >>>> Do you have a reference for calculating the proper cable lengths and >>>> antenna spacing based on frequency when using splitters in a >>>> configuration like this? >>>> >>>> Thanks, >>>> >>>> -Kristian >>>> >>>> On 10/25/2011 06:39 AM, Chuck Hogg wrote: >>>>> I thought I would post back on here what we did and our results. >>>>> These are preliminary. >>>>> >>>>> Equipment: >>>>> 1 x 320AP >>>>> >>>>> Configuration with only one sector: >>>>> Power set to 19.9dB (per the manual for legal power settings) >>>>> AP set to -65 power leveling >>>>> Client signals at the AP were -65 (or thereabouts, this fluctuates >>>>> from -65 to -70) for all clients. >>>>> Client receive levels ranged from -61 to -75. >>>>> >>>>> Equipment: >>>>> 1 x 320AP >>>>> 4 x 16.5dB 90 degree sectors >>>>> 2 x 4 way splitters from L-Com >>>>> >>>>> Configuration with only one sector: >>>>> Power set to full 25dB (per the manual for legal power settings, >>>>> assuming a -6.5dB of loss) >>>>> AP set to -65 power leveling >>>>> Client signals at the AP were -65 (or thereabouts, this fluctuates >>>>> from -65 to -70) for all clients. >>>>> Client receive levels ranged from -64 to -78. >>>>> >>>>> So essentially by adding a 4 way splitter the clients receive levels >>>>> increased by about 3.5-4dB. Tower receive levels were unchanged, as >>>>> most of the clients were power leveled down. Only one client is >>>>> transmitting at full power now. That client is also the highest >>>>> signal on both sides. Most client transmit levels are also running at >>>>> a higher power now as well. >>>>> >>>>> Conclusion: >>>>> I think that running 1 x 320AP x 4 sectors through splitters is a >>>>> little aggressive. If the majority of your clients are going to have >>>>> decent signal levels, then I see no problems with it. However, I >>>>> think that our current situation is a little on the edge. I think >>>>> that if you are looking for an inexpensive way to use 320AP's, I would >>>>> recommend this solution. I think that this solution has a higher net >>>>> gain over using an 8dB omni. My results show that it is pretty >>>>> consistent on being about a total loss of about 8dB using a 4 way >>>>> splitter. You can overcome 6.1dB of that loss in turning up the >>>>> transmit power of the radios. Your net loss is about 2.5-3dB, >>>>> however you are able to focus the sectors a little better. >>>>> >>>>> In the long run on future deployments, we will likely use 2 AP's and 4 >>>>> sectors with 4x2way splitters (MIMO). Once they reach capacity, we'll >>>>> add additional AP's. >>>>> >>>>> Regards, >>>>> Chuck >>>>> >>>>> >>>>> >>>>> -------------------------------------------------------------------------------- >>>>> WISPA Wants You! 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