Band Selection Parameters
Last updated: December 2, 2008
Band selection parameters allow you to choose the frequency band for different channel types in GSM, GPRS or EGPRS:
The following table summarizes the frequency bands and ARFCNs specified in 3GPP TS 45.005, and whether they are supported in the test set.
|
Band |
DL to UL Frequency Separation (MHz) |
3GPP TS 45.005 Downlink Frequency (MHz) |
3GPP TS 45.005 Uplink Frequency (MHz) |
ARFCN Range
|
Supported in the Test Set? |
|
T-GSM 380 |
10 |
390.2 - 399.8 |
380.2 - 389.8 |
*
|
No |
|
T-GSM 410 |
10 |
420.2 - 429.8 |
410.2 - 419.8 |
*
|
No |
|
GSM 450 |
10 |
460.4 - 467.6 |
450.4 - 457.6 |
259-293
|
Yes |
|
GSM 480 |
10 |
488.8 - 496 |
478.8 - 486 |
306-340
|
Yes |
|
GSM 710 |
30 |
728 - 746 |
698 - 716 |
*
|
No |
|
GSM 750 |
30 |
777 - 792 |
747 - 762 |
438-511
|
Yes |
|
T-GSM 810 |
45 |
851 - 866 |
806 - 821 |
350-425**
|
Yes |
|
GSM 850 |
45 |
869 - 894 |
824 - 849 |
128-251
|
Yes |
|
P-GSM |
45 |
935 - 960 |
890 - 915 |
1-124
|
Yes |
|
E-GSM |
45 |
925 - 960 |
880 - 915 |
0-124
975-1023
|
Yes |
|
R-GSM |
45 |
921 - 960 |
876 - 915 |
0-124
955-1023
|
Yes |
|
T-GSM 900 |
45 |
915.4 - 921 |
870.4 - 876 |
*
|
No |
|
DCS 1800 |
95 |
1805 - 1880 |
1710 - 1785 |
512-885
|
Yes |
|
PCS 1900 |
80 |
1930 - 1990 |
1850 - 1910 |
512-810
|
Yes |
|
*ARFCN Range for T-GSM 380, T-GSM 410, T-GSM 810, T-GSM 900 and GSM 710 is (ARFCN_FIRST to ARFCN_FIRST+ARFCN_RANGE). ARFCN_FIRST and ARFCN_RANGE are contained in SI14 message information.
**In the test set, the ARFCN_FIRST and ARFCN_RANGE for T-GSM 810 are 350 and 75 separately.
|
GSM Band Selection Parameters
Operating Considerations for GSM
Cell Band Parameter
-
Changes to the
Frequency Bands
parameter will be reflected in the traffic band parameter.
-
When the operating mode is active cell and the call connected state is connected, changes to the cell band parameter will disconnect any call in progress.
-
When the operating mode is GSM BCH test mode (GBTest) or GSM BCH+TCH test mode (GBTTest), the cell band parameter should be used. See
CALL:OPERating
.
Traffic Band Parameter
-
When the operating mode is active cell and the call connected state is connected, changes to the traffic band parameter cause an inter-band channel assignment. See
How the Test Set Performs a Dualband Handover
.
-
When the operating mode is active cell and the call connected state is connected, changes to the traffic band parameter are not reflected in the cell band parameter.
-
When the operating mode is set to GSM BCH+TCH (GBTTest), the traffic band parameter should be used. See
CALL:OPERating
.
RF Generator Band Parameter
-
When the operating mode is set to CW, the test set operates like a signal generator with level and frequency controls. See
CW
.
GPRS and EGPRS Band Selection Parameters
Operating Considerations for GPRS and EGPRS
Cell Band Parameter
-
Changing the cell band parameter to a new band changes the packet data traffic channel band to the new band as well.
-
When the data connection status is transferring (see
Data Connection Processing State Synchronization
), changing the cell band parameter will disconnect any data connection in progress.
Packet Data Traffic Channel Band Parameter
RF Generator Band Parameter
-
When the operating mode is set to CW, the test set operates like a signal generator with level and frequency controls. See
CW
.