IP: CDMA ahoy!

[David Farber <dave () farber net>]

> > From: "Janos Gereben" <janos451 () earthlink net>
> > Subject: CDMA ahoy!
> > Date: Wed, 15 Aug 2001 14:34:14 -0700
> > MIME-Version: 1.0
> >
> >
> >
> > CommWorks, Lucent press ahead with CDMA 2000
> >
> > Janos Gereben - www.the451.com
> >
> > [Introduction of `always-on' mobile Internet connection may be around
> > the corner, compatible with others or not.]
> >
> > CommWorks and Lucent Technologies announced on Wednesday the
> > completion of testing third-generation (3G) high-speed wireless
> > networks products, claiming readiness for the commercial introduction
> > of an `always-on' mobile Internet connection. CommWorks is the Mount
> > Prospect, Illinois, subsidiary of 3COM.
> >
> > The two companies are firmly in the CDMA 2000 camp (based on the Code
> > Division Multiple Access spectrum technology), disregarding other
> > options in the US three-ring circus of 3G standards. Verizon and
> > Sprint also stick with Qualcomm's CDMA One (developed from CDMA 2000
> > or 3X, so named because it requires three times the amount of spectrum
> > compared with other standards).
> >
> > VoiceStream and Cingular use GSM (Global System for Mobile
> > Communications), and plan to support GPRS (General Packet Radio
> > Service), the grandiosely named EDGE (Enhanced Data Rate for Global
> > Evolution), and Japan's W-CDMA (Wideband Code Division Multiple
> > Access). AT&T is changing from D-AMPS (Digital Advanced Mobile Phone
> > System) to GSM and, later, EDGE. Nextel's is sticking with its
> > proprietary iDEN (Integrated Digital Enhanced Network).
> >
> > CommWorks stresses CDMA's status as a 3G standard approved by the
> > International Telecommunications Union (ITU), and touts its potential
> > "enabling the evolution of CDMA One service providers, as well as
> > other carriers." (In a delicious bit of coincidence, when you follow
> > the link to CommWorks' online 3G position, you get a 404 message: "It
> > appears that you've reached an outdated link or attempted to access a
> > web page that is no longer maintained.")
> >
> > The just-concluded tests are reported to deliver 3G Mobile IP data
> > services to subscribers at peak data rates of up to 144 Kbps in high
> > mobility applications, using existing spectrum. Such increase in data
> > rates has an important potential to open up a new generation of
> > applications to wireless subscribers, with more graphics, color and
> > multi-media features. If all goes well, wireless operators could also
> > benefit from increased voice capacity and extended battery life.
> >
> > CommWorks president Irfan Ali speaks of "groundbreaking" new
> > technologies and products for the circuit-switched and packet-switched
> > wireless networking environments. The CDMA One faction claims coverage
> > in more than 40 countries and boasts more than 90 million subscribers
> > around the world, based on statistics reported earlier this summer.
> >
> > In a CDMA 2000 network, base stations connect via a Radio Access
> > Network (RAN) Packet Control Function (PCF) to a Packet Data Serving
> > Node (PDSN), which performs traffic aggregation, similar to that
> > handled by packet switches and IP Routers. The PDSN uses
> > Authentication, Accounting and Administration (AAA) servers for user
> > authentication and traffic management, then forwards traffic to a
> > gateway router/home agent (GR/HA) at the designated IP network.
> >
> > CommWorks' major role is in supplying the core data infrastructure to
> > enable high-speed wireless data calls. The Lucent PCF separates the IP
> > data transmission and connects to CommWorks' core data infrastructure,
> > which then forwards the data traffic directly into the Internet, while
> > voice calls continue through the mobile switching center.
> >
> > CommWorks spokesman Steven Ostrowski told the451 that while GSM is
> > more widely deployed than CDMA, "the key driver of future technology
> > market share will not be determined by what's deployed today; but
> > rather, by the addressable population for new technologies." Using
> > that criteria, he said, CDMA has several important advantages, such as
> > a total population of 672 million in countries that have awarded UMTS
> > spectrum, and an eye-popping population figure of 4.18 billion in
> > countries able to deploy CDMA 2000 networks in existing CDMA One
> > networks.



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