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Table 5-1: Acronyms and definitions (Continued)
Acronym or term
QOS
QPSK
QPST
RAT
RF
RI
roaming
RSE
RSSI
SDK
SED
Sensitivity
(Audio)
Sensitivity (RF)
SG
SIB
SIM
SIMO
SISO
SKU
SMS
S/N
SNR
SOF
SSS
Rev 2 Feb.13
Proprietary and Confidential - Contents subject to change
Definition
Quality of Service
Quadrature Phase-Shift Keying
Qualcomm Product Support Tools
Radio Access Technology
Radio Frequency
Ring Indicator
A cellular subscriber is in an area where service is obtained from a cellular service
provider that is not the subscriber's provider.
Radiated Spurious Emissions
Received Signal Strength Indication
Software Development Kit
Smart Error Detection
Measure of lowest power signal that the receiver can measure.
Measure of lowest power signal at the receiver input that can provide a prescribed
BER / BLER / SNR value at the receiver output.
An LTE signaling interface for SMS ("SMS over SGs")
System Information Block
Subscriber Identity Module. Also referred to as USIM or UICC.
Single Input Multiple Output—smart antenna technology that uses a single
antenna at the transmitter side and multiple antennas at the receiver side. This
improves performance and security.
Single Input Single Output—antenna technology that uses a single antenna at
both the transmitter side and the receiver side.
Stock Keeping Unit—identifies an inventory item: a unique code, consisting of
numbers or letters and numbers, assigned to a product by a retailer for purposes
of identification and inventory control.
Short Message Service.
A feature that allows users of a wireless device on a wireless network to receive
or transmit short electronic alphanumeric messages (up to 160 characters,
depending on the service provider).
Signal-to-noise (ratio)
Signal-to-Noise Ratio
Start of Frame — A USB function.
Secondary synchronisation signal.
Acronyms
25
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