These frequencies are most likely to be used on lightpoles or similar mounting solutions in dense urban areas. Very high speed LOS communications.
On Sun, Jul 24, 2016 at 11:16 AM, Colin Stanners <[email protected]> wrote: > I played around with my smartphone a bit to get an idea of use cases and how > those would affect strictly-LOS mobile communications. > > When users are looking at their phones, in most situations the top 1inch > would have LOS of the "sky" where cell towers would normally be located, for > up to ~320 degrees - exceptions are the users' body and other people and > obstacles; all of which will vary LOS quickly depending on movement > > When users are calling, phone against the head, in most situations the top > rear 1inch would have LOS to 50% of the "sky" at most, again with the > exception of other people and obstacles. In most cases when this is done, > bandwidth usage is audio-only/minimal. > > A few small upward-directed 28Ghz+ panels, say 6-8, located at the top of > the phone and designed to allow combined near-omnidirectional coverage, > could communicate with 28GHz+ BSs often located straight up, say at > conferences and large events. This would allow a huge offload from the > standard cell network. but protocols would need to reliably switch between > those systems within milliseconds. It's doable in most cases but would > require some careful design and implementation, and likely fiber with a > custom low-latency-assured protocol between the standard cell basestations > and the 28Ghz+ BSs. > > On Sun, Jul 24, 2016 at 10:57 AM, Chuck McCown <[email protected]> wrote: >> >> Yeah, I cannot see frequencies on hand held devices going too much higher >> than they are now. Moreover the antenna’s gain will get killed by hands. >> >> From: Colin Stanners >> Sent: Sunday, July 24, 2016 9:45 AM >> To: [email protected] >> Subject: Re: [AFMUG] Telecom industry hails FCC move to open 5G spectrum | >> Network World >> >> 28Ghz and higher? They'll need radios with very fast transitions between >> those and NLOS-capable frequencies so as to keep stable communications when >> hundreds of subscribers are walking around each other and LOS is extremely >> variable. >> >> On Sun, Jul 24, 2016 at 10:06 AM, Jaime Solorza >> <[email protected]> wrote: >>> >>> >>> http://www.networkworld.com/article/3095832/mobile-wireless/telecom-industry-hails-fcc-move-to-open-5g-spectrum.html?google_editors_picks=true >> >> > >
