TIA/EIA-690:2000

$37.70

Recommended Minimum Standards for 800-MHz Cellular Subscriber Units

Published By	Publication Date	Number of Pages
TIA	2000	66

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Category: TIA

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Description

These standards detail definitions, methods of measurement, and
minimum performance characteristics of 800-MHz Cellular Subscriber
Units. These standards share the purpose of the Cellular System
Mobile Station – Land Station Compatibility Specification EIA/TIA
553 (and subsequent revisions thereof) of assuring that a
subscriber unit can obtain service in any cellular system that
meets the compatibility requirements of EIA/TIA 553.

Compatibility, as used in connection with these standards and
EIA/TIA 553, is understood to mean: Any subscriber unit is able to
place and receive calls in any cellular system. Conversely, all
cellular systems are able to place and receive calls with any
subscriber unit.

To assure compatibility, it is essential that both radio-system
parameters and call processing parameters be specified. The
speech-filtering, modulation, and RF-emission parameters commonly
encountered in two-way radio systems have been updated and expanded
to reflect the unique radio plan upon which cellular systems are
based. The sequence of call-processing steps that the mobile and
land stations execute to establish calls has been specified in
EIA/TIA 553 along with the digital control messages and analog
signals that are exchanged between the two stations.

A subscriber unit is intended to be used while in motion or
during halts at unspecified points. It is assumed that subscriber
units include portable units (e.g., hand-held "personal" units) as
well as units installed in vehicles.

Although the basic purpose of cellular telecommunications has
been voice communication, evolving usages (e.g., data) may allow
the omission of some of the features specified herein provided that
the system compatibility is not compromised.

These standards concentrate specifically on the Subscriber Unit;
they cover the operation of the land station, the cellular switch,
and the cell control equipment only to the extent that
compatibility with EIA/TIA 553 is assured.

Additional information