CTS55
Description of the Menus
1094.0006.55 9.21
E-7
9.7.5
Call Established Menu
Call Established Menu - In Band Only
Call Established Menu - Dual Band
The Call Established menu appears after a connection on the Traffic Channel is established between
the CTS and the mobile. This menu is the central menu for the CTS in Manual Test mode.
While keeping the connection with the mobile station the CTS carries out several cyclic measurements
on the signal transmitted by the mobile station and displays the results in this menu.
The following results are displayed:
•
Frequency
Error (Freq Err)
•
max. Phase Error Peak (Phase PK)
•
actual Phase Error RMS (Phase RMS)
•
Measured average power transmitted by the mobile (Avg. Power)
•
Measured peak power transmitted by the mobile (Pk. Power)
•
Evaluation of the Power Ramp of the signal (Ramp)
Results exceeding the tolerances are shown in Red.
The Call Established Connection is always at Full Rate Coding, but the menu also indicates if the mobile
station supports Enhanced Full and / or Half Rate Coding.
During an established connection the mobile station measures the level (RxLev) and the quality
(RxQual) of the signal received by the mobile. Both values are reported back to the CTS. These values
are also displayed in the Call Established menu.
For experiments carried out primarily on the receiver of the mobile station, the level of signal transmitted
by the CTS can be varied (BS Signal). It is also possible to vary the traffic channel frequency (RF Chan)
and the transmitted power of the mobile (Ctrl Level).
To get more detailed measurement results about the transmitter of the mobile the Power Ramp and
Phase/Frequency Error measurement can be selected. For more detailed measurement results about
the receiver of the mobile the BER measurement can be started. Furthermore this menu also allows
varying the tolerances for each measurement.
At any time the connection can be cleared by a Network Release initiated by the CTS or a Mobile
Release initiated by the mobile station.
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