August 1999
Intermediate to advanced
328 pages
8h 50m
English
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THE 56 KBIT/S MODEM (V.90)
The 56 kbit/s modem is the next step up from the V.34 modem. My description of this technology is based on the ITU-T V.90 Recommendation, [WEXL98], and a paper by P. Michael Henderson [HEND96].[5] I recommend Mr. Henderson's work to those readers who wish to delve into the details of 56 kbit/s modems.
[5] [WEXL98] Wexler, Joanie. "56k Modems: A Bandwidth Bird in the Hand," Business Communications Review, October, 1998.
[HEND96] Henderson, P. Michael. "56kbps Data Transmission Across the PSTN," A paper published by Rockwell Semiconductor Systems. No date given.
The 56 kbit/s modem is really an evolution from the V.32 and V.34 quadrature amplitude modulation (QAM) concepts of placing more bits onto the voice-grade local ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.