The laws of physics are the same for free space loss below 6GHz. What does help is obstruction attenuation.
On Nov 15, 2013, at 8:24, "Brian Webster" <bwebs...@wirelessmapping.com> wrote: > One good thing about the higher bands and the noise floor is that free space > loss works to your advantage. That being that a 5 GHz indoor Omni home AP > router signal will fall off as an interference source as a much shorter > distance than a 2.4 GHz device will. The laws of physics work in your favor. > > Thank You, > Brian Webster > www.wirelessmapping.com > www.Broadband-Mapping.com > > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On > Behalf Of Scott Carullo > Sent: Thursday, November 14, 2013 6:52 PM > To: Matt Hoppes; sc...@brevardwireless.com; WISPA General List > Subject: Re: [WISPA] Comcast asking FCC for more 5GHz spectrum. > > Hard to tell, noise floor is noise floor which keeps creeping up - we all > know things work better when its quiet. This used to worry me a lot when I > saw it coming, but then I realized it was already there and I had no idea > until I just happened to scan on some radios (I don't usually install the > stuff). I'm not worried any more, if its not one thing it will be another > any way. Thats what gives us the edge every day, flexibility. We will work > around it, we always do. > > I figure a high gain antenna on a tower with a good directional CPE will > continue to work fine. Their omni low gain antenna can't compete with a > 20-30db directional one. Still sucks though, you drive down the street and > see one after another running 5Ghz just knowing there probably isn't 3 > connections in the whole city to them.... > > Scott Carullo > Technical Operations > 855-FLSPEED x102 > > > > > From: "Matt Hoppes" <mhop...@indigowireless.com> > Sent: Thursday, November 14, 2013 6:43 PM > To: "sc...@brevardwireless.com" <sc...@brevardwireless.com>, "WISPA General > List" <wireless@wispa.org> > Cc: "WISPA General List" <wireless@wispa.org> > Subject: Re: [WISPA] Comcast asking FCC for more 5GHz spectrum. > > Are you seeing any impact from them? > > On Nov 14, 2013, at 18:03, "Scott Carullo" <sc...@brevardwireless.com> wrote: > > Yeah, won't matter either way with a 5Ghz AP on every street corner. Already > seeing that in our areas.... do a wireless scan and you see 354 5Ghz APs now > in addition to the 2Ghz ones (they run dual band APs now). > > Scott Carullo > Technical Operations > 855-FLSPEED x102 > > > > > From: "Bret Clark" <bcl...@spectraaccess.com> > Sent: Thursday, November 14, 2013 5:49 PM > To: wireless@wispa.org > Subject: Re: [WISPA] Comcast asking FCC for more 5GHz spectrum. > > What could go wrong with Comcast taking up yet more 5GHz of > spectrum...[/sarcasm off] > > On 11/14/2013 01:40 PM, ralph wrote: > I hope the links at the bottom come through. > --------------------------------------------------------------- > > Comcast needs the FCC to open up the 5 GHz spectrum band to power > next-generation Wi-Fi services that could allow it to deliver wireless > broadband at speeds of up to 1 Gbps, SVP of Business Development Tom Nagel > testified at a House Energy and Commerce hearing on Wednesday. > > Nagel disclosed in his prepared testimony that Comcast has expanded the > number of Wi-Fi access points for Xfinity high-speed Internet customers to > 350,000. The nation's largest cable MSO also began deploying wireless > gateways from Cisco earlier this year that Comcast has said may be able to > power millions of neighborhood hotspots. > > While Comcast already is already using the 5 GHz band, Nagel said it needs > more of the unlicensed spectrum to meet demand from subscribers for Wi-Fi. It > faces potential opposition from Toyota and other automobile manufacturers who > want to use the 5 GHz band to deliver next-generation connected car > applications, including applications that would warn drivers of collision > threats. > > Toyota principal researcher John Kenney raised concerns about possible > interference from Wi-Fi services at Wednesday's hearing. "We have been > actively engaged with the Wi-Fi community and other stakeholders who are > exploring possible sharing solutions that will alleviate any risk of harmful > interference from unlicensed devices. But we're not there yet and it's going > to take a bit more time to see if we can get there," Kenney said in his > prepared testimony. > > For more: > - see Nagel's prepared testimony (.pdf) > - see Kenney's prepared testimony (.pdf) > - see Comcast blog post > - Broadcasting & Cable has this story > > > _______________________________________________ > Wireless mailing list > Wireless@wispa.org > http://lists.wispa.org/mailman/listinfo/wireless > > _______________________________________________ > Wireless mailing list > Wireless@wispa.org > http://lists.wispa.org/mailman/listinfo/wireless
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