---------------------------------------------------------------------- Message-ID: <20201128165904.26875745@telecom2018.csail.mit.edu> Date: Sat, 28 Nov 2020 16:59:04 +0000 (UTC) From: Moderator <telecomdigestsubmissions@remove-this.telecom-digest.org> Subject: What is cellular about a cellphone? Funny you should ask Daniel Bliss is a professor of electrical engineering at Arizona State University and the director of the Center for Wireless Information Systems and Computational Architecture. In this interview, he explains the ideas behind the original cellular networks and how they evolved over the years into today's 5G (fifth generation) and even 6G (sixth generation) networks. Q: How did wireless phones work before cellular technology? A: The idea of wireless communications is quite old. Famously, the Marconi system could talk all the way across the Atlantic Ocean. It would have one system, which was the size of a building, talking to another system, which was the size of a building. But in essence, it just made a radio link between the two. Eventually people realized that's a really useful capability. So they put up a radio system, say at a high point in the city, and then everybody - well, those few who had the right kind of radio system - talked to that high point. So if you like, there was only one cell - it wasn't cellular in any sense. But because the amount of data you can send over time is a function of how far away you are, you want to get these things closer together. And so that's the the invention of the cellular system. https://stuff.co.za/2020/11/23/cellular-cellphone-funny-you-should-ask/ ------------------------------ Message-ID: <20201128164704.3E380745@telecom2018.csail.mit.edu> Date: Sat, 28 Nov 2020 16:47:04 +0000 (UTC) From: Moderator <telecomdigestsubmissions@remove-this.telecom-digest.org> Subject: Colorado: Residents in Cameron Peak Fire area still dealing with downed lines, no service by: Web Staff Posted: Nov 21, 2020 LARIMER COUNTY, Colo. (KDVR) - Some people who live in the upper Poudre Canyon in the area of the Cameron Peak Fire don't know when downed lines and their phone service will be back up. Brett Ridges said he hasn't had phone service since Sept. 7. He said he has called CenturyLink about the problem and they give him a date when service will be restored. But multiple dates have come and gone, and still he doesn't have a dial tone. https://kdvr.com/news/local/residents-in-cameron-peak-fire-area-still-dealing-with-downed-lines-no-service/ ------------------------------ Message-ID: <20201128165132.60630745@telecom2018.csail.mit.edu> Date: Sat, 28 Nov 2020 16:51:32 +0000 (UTC) From: Moderator <telecomdigestsubmissions@remove-this.telecom-digest.org> Subject: Squeezing Capacity From Copper Networks While Undertaking a Transition to Fiber Broadband By Jericho Casper November 24, 2020 - In a virtual conversation sponsored by Connected Nation Michigan, Wes Kerr, director of community solutions at Connected Nation, was joined by Chip Spann, director of engineering and technical services at Connected Nation, to discuss the predominant technologies providing broadband service today and detail what kinds of technologies can be expected in the future. http://broadbandbreakfast.com/2020/11/squeezing-capacity-from-copper-networks-while-undertaking-a-transition-to-fiber-broadband/ ------------------------------ ********************************************* End of telecom Digest Sun, 29 Nov 2020