Specifications
UMTS AirCard⁄ AirPrime Supported AT Command Reference
38 Proprietary and Confidential 2130617
+ETFCI
Supporting chipsets:
• All, with these exceptions:
• MDM8200 (min f/w rev:
M2.0 Release 1)
• MSM6290 (min f/w rev:
K1_1_1_1ap)
Enable/disable/return E-TFCI average value
Enable/disable checking of average E-TFCI values during an HSUPA call, or return the
value.
The average value is based on 64 sets of log values extracted from the E-DPCCH
packet:
• Every 200 ms (for 10 ms TTI)—Each set includes 20 samples. A total of 1280
samples are taken (200 ms/set, 20 samples per set, 64 sets over 12.8 second
period).
• Every 80 ms (for 2 ms TTI)—Each set includes 40 samples. A total of 2560 samples
are taken (80 ms/set, 40 samples per set, 64 sets over 5.12 second period).
Note: An HSUPA call must be in progress to obtain the E-TFCI.
Usage:
• Execution: AT+ETFCI=<status>
Response:
+ETFCI:
ENABLED!
OK
or +ETFCI:
DISABLED!
OK
Purpose: Enable or disable the ability to check the average E-TFCI value.
• Query: AT+ETFCI?
Response:
+ETFCI:
Status: <status>
total samples 1280, average etfci <etfci>
OK
Purpose: Indicate if E-TFCI checking is enabled, and report the total number of
samples and average E-TFCI value.
Parameters:
<status> (E-TFCI reporting status):
• 0=Disabled
• 1=Enabled
<etfci> (Average E-TFCI value over sampling period):
• Valid range: 0–127
Table 3-2: Modem status, customization, and reset commands (Continued)
Command Description