Integration Of UMTS And B-ISDN: Is It Possible Or Desirable?
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INTRODUCTION
In the future, existing fixed networks will be complemented by mobile networks
with similar numbers of users. These mobile users will have identical
requirements and expectations to the fixed users, for on-demand applications of
telecommunications requiring high bit-rate channels. It will be necessary for
these fixed and mobile networks to interoperate in order to pass data, in real
time and at high speeds, between their users.
But how far must this interoperation be taken? How much integration of the fixed
and mobile network structures is needed? Here, a fixed network, B-ISDN, and a
mobile network, UMTS, under development at the same time, are examined to see
how well and ...
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(IMT2000), which replaces its previous name of Future Public Land Mobile
Telecommunication System (FPLMTS). [BUIT95]
UMTS is envisaged as providing the infrastructure needed to support a wide range
of multimedia digital services, or teleservices [CHEU94], requiring channel bit-
rates of less than the UMTS upper ceiling of 2 Mbits/second, as allocated to it
in the World Administrative Radio Conference (WARC) '92 bands. UMTS must also
support the traditional mobile services presently offered by separate networks,
including cordless, cellular, paging, wireless local loop, and satellite
services. [BUIT95] Mobile teleservices requiring higher bit rates, from 2 to 155
Mbits/second, are expected to be catered for by Mobile Broadband Services (MBS),
the eventual successor to UMTS, which is still under study. [RACED732]
Broadband Integrated Services Digital Network (B-ISDN), conceived as an all-
purpose digital network that will supersede Narrowband ISDN (N-ISDN or ...
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the same
range of services that B-ISDN will offer, within the bounds of the lower 2
Mbits/second ceiling of UMTS. [BUIT95]
So, with the twin goals of meeting existing expectations and making UMTS as
flexible as possible to attract customers, how closely integrated must UMTS be
with B-ISDN to achieve this?
ALTERNATIVES FOR INTEGRATING UMTS WITH OTHER NETWORKS
The UMTS network could be developed along one of the following alternative
integration paths:
1. Developing an 'optimised' network structure and signalling
protocols tailored for the special mobile requirements of
UMTS. This would be incompatible with anything else. Services
from all fixed networks would be passed through ...
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Integration Of UMTS And B-ISDN: Is It Possible Or Desirable?. (2004, September 2). Retrieved November 23, 2024, from http://www.essayworld.com/essays/Integration-UMTS-B-ISDN-Possible-Desirable/13707
"Integration Of UMTS And B-ISDN: Is It Possible Or Desirable?." Essayworld.com. Essayworld.com, 2 Sep. 2004. Web. 23 Nov. 2024. <http://www.essayworld.com/essays/Integration-UMTS-B-ISDN-Possible-Desirable/13707>
"Integration Of UMTS And B-ISDN: Is It Possible Or Desirable?." Essayworld.com. September 2, 2004. Accessed November 23, 2024. http://www.essayworld.com/essays/Integration-UMTS-B-ISDN-Possible-Desirable/13707.
"Integration Of UMTS And B-ISDN: Is It Possible Or Desirable?." Essayworld.com. September 2, 2004. Accessed November 23, 2024. http://www.essayworld.com/essays/Integration-UMTS-B-ISDN-Possible-Desirable/13707.
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