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MN004527A01-AG
Glossary
Glossary
Air Interface (AI)
The radio-based
communication data transmitted over the air
between the mobile and the active base station.
Air Interface Encryption (AIE)
confidentiality on the radio link over the air.
Alias Short Subscriber Identity (ASSI)
The Tetra address corresponds to the Individual
Tetra Subscriber Identity (ITSI). It includes, in
addition to the Mobile Country Code (MCC), the
Mobile Network Code (MNC) nor the 7- or 8-digit
subscriber short identifier, Short Subscriber
Code (SSI), the allocation of mobile radio
equipment to a private or public service
produces.
See also:
Announced Cell Reselection
reselection where radio Mobile Link Entity (MLE)
informs the Switching and Management
Infrastructure (SwMI) both in the serving cell and
in the new cell that cell change is performed.
See also:
Audio Device Descriptors (ADD)
structure which provides hardware information
about a particular audio accessory (for both
IMPRESS and core accessories). Files with ADD
have an extension .add.
Base Station
Term used to identify the
installation including the Base Transceiver
Station, antenna and ancillary equipment.
Base Transceiver Subsystem (BTS)
Base Station serving as the Radio Frequency
(RF) interface between the radios and the
system infrastructure.
See also:
Cell
A geographical area which is covered by a
BTS site. Note that at the edge of the cell, the
radio can begin to receive signals from adjacent
cells and will use its stored reselection criteria to
determine at what point it should return to a
better signal.
112
Class
Synonym:Security Class
See also:
Class 1
Provides
authentication.
See also:
Class 2
Encrypted Short Identity (ESI) with SCK, may
use authentication.
See also:
Class 3
Encrypted Short Identity (ESI) with Common
Cipher Key (CCK), authentication.
See also:
Clear
Not encrypted.
Cell
Common Cipher Key (CCK)
encrypt group and broadcast addressed
downlink signaling (from infrastructure to a
radio). Also used to protect Individual Short
Subscriber Identities (ISSI).
See also:
A
Control Channel (CCH)
channel at a site on which radios send and
receive instructions for call processing.
Customer Programming Software
(CPS)
the programming of the characteristics of the
radio (for example, frequency, DPL codes, and
alias).
A
Derived Cipher Key (DCK)
encrypt all uplink signaling (from radios to
infrastructure) and individually addressed
downlink signaling (from infrastructure to a
radio).
See also:
Class.
No encryption, may use
Static Cipher Key (SCK) encryption,
Derived Cipher Key (DCK) encryption,
A dedicated
Computer-based software which allows
Used to
Used to
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