LG PX8700, Service Manual

Page: 125 / 159

PX8700
LG Electronics Inc.
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on the Paging Channel when in the Mobile Station Idle State.
Soft Handoff
. A handoff occurring while the mobile station is in the Mobile Station Control on the Traffic
Channel State. This handoff is characterized by commencing communications with a new base station on the
same CDMA frequency assignment before terminating communications with the old base station. See also Hard
Handoff.
SOM
. Start-of-Message Bit.
SPS.
Symbols per second.
- An identification of certain characteristics of a mobile station. Classes are defined in Table 2.3.3-1.
Status Information. The following status information is used to describe mobile station operation when using the
analog system.
z
Serving-System Status. Indicates whether a mobile station is turned to channels associated with System A
or System B.
z
First Registration ID Status. A status variable used by the mobile station in association with its processing
of received Registration ID messages.
z
First Location Area ID Status. A status variable used by the mobile station in association with its
processing of received Location Area ID messages.
z
Location Registration ID Status. A status variable used by the mobile station in association with its
processing of power-up registration and location-based registration.
z
First Idle ID Status. A status variable used by the mobile station in association with its processing of the
Idle Task.
z
Local Control Status. Indicates whether a mobile station must respond to local control messages.
z
Roam Status. Indicates whether a mobile station is in its home system.
z
Termination Status. Indicates whether a mobile station must terminate the call when it is on an analog
voice channel.
Supervisory Audio Tone (SAT).
One of three tones in the 6 kHz region that is transmitted on the forward
analog voice channel by a base station and transponder on the reverse analog voice channel by as mobile station.
Supplementary Digital Color Code (SDCC1, SDCC2).
Additional bits assigned to increase the number of
color codes from four to sixty four, transmitted on the forward analog control channel.
Symbol.
See Code Symbol and Modulation Symbol.
Sync Channel.
Code channel 32 in the Forward CDMA Channel which transports the synchronization message
to the mobile station.
Sync Channel Superframe
. An 80ms interval consisting of three Sync Channel frames (each 26.666…ms in
length).
System.
A system is a Cellular telephone service that covers a geographic area such as a city. Metropolitan
region, country, or group of countries. See also Network.
System Time.
The time reference used by the system. System Time is synchronous to UTC time(except for
leap seconds) and used the same time origin as GPS time. Offset by the propagation delay from the base station
to the mobile station. See also Universal coordinated Time.
Timer-Based Registration.
A registration method in which the mobile station registers whenever a counter
reaches a predetermined value. The counter is incremented an average of once per 80 ms period.