Presumably transmitting the streams as dual slant offers some performance advantages, in the transmitted direction. Or maybe not. Possible advantages would include multipath reflections and equalizing S/N between the 2 streams. Receiver uses signal processing to extract the transmitted streams from whatever it receives, as long as the parameters don't change faster than the signal processing algorithm can adapt.
-----Original Message----- From: Af [mailto:af-boun...@afmug.com] On Behalf Of Nate Burke Sent: Tuesday, November 22, 2016 4:30 PM To: af@afmug.com Subject: Re: [AFMUG] EPMP 2.4 antenna options So if you were to use like a v/h UBNT antenna instead of the Dual Slant antenna, They both should work? Wondering what the 3x price difference between antennas gains you. On 11/22/2016 4:26 PM, ch...@wbmfg.com wrote: > Supposedly it makes up for the loss by using the desired signal > component from both antennas. > I remember reading the original white paper, and I remember thinking I > understood it for about 5 minutes or so. > > -----Original Message----- From: Nate Burke > Sent: Tuesday, November 22, 2016 3:24 PM > To: af@afmug.com > Subject: Re: [AFMUG] EPMP 2.4 antenna options > > So you have a Dual slant AP and a V/H SM? Isn't that just losing > signal for no reason? > > On 11/22/2016 4:21 PM, Adam Moffett wrote: >> They've apparently got some electronic magic that can take the >> received signal on V/H and calculate what the transmitted dual slant >> signal was. It's been explained here, but I don't remember the >> details. They assert that you can mix and match safely. In fact >> they started out selling slant pol sector antennas and V+H SM's, so >> they are/were confident enough in this to make it the "default" setup. >> >> It's a feature of their 802.11n chipset, so the computation is done >> in hardware. >> >> >> ------ Original Message ------ >> From: "Nate Burke" <n...@blastcomm.com> >> To: "Animal Farm" <af@afmug.com> >> Sent: 11/22/2016 5:14:04 PM >> Subject: [AFMUG] EPMP 2.4 antenna options >> >>> I'm looking at the Cambium 2.4 antenna C024900D004A, and it lists it >>> as being DualSlant +/-45 degrees. Does this mean that the Force 200 >>> 2.4 radios are also Dual Slant to talk to this antenna? I didn't >>> find anything on the Force200 spec sheet talking about slant. If >>> you use a V/H Antenna as the AP, can you not use the Force 200 as >>> the SM? >>> >>>
