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Product Technical Specification & Customer Design Guidelines
94
Proprietary and Confidential - Contents subject to change
2400089
PA
Power Amplifier
packet
A short, fixed-length block of data, including a header, that is transmitted as a unit
in a communications network.
PCB
Printed Circuit Board
PCS
Personal Communication System
A cellular communication infrastructure that uses the 1.9 GHz radio spectrum.
PDN
Packet Data Network
PMI
Pre-coding Matrix Index
PSS
Primary synchronisation signal
PTCRB
PCS Type Certification Review Board
QAM
Quadrature Amplitude Modulation.
This form of modulation uses amplitude, frequency, and phase to transfer data on
the carrier wave.
QMI
Qualcomm MSM/Modem Interface
QOS
Quality of Service
QPSK
Quadrature Phase-Shift Keying
QPST
Qualcomm Product Support Tools
RAT
Radio Access Technology
RF
Radio Frequency
RI
Ring Indicator
RSE
Radiated Spurious Emissions
RSSI
Received Signal Strength Indication
SDK
Software Development Kit
SED
Smart Error Detection
Sensitivity
(Audio)
Measure of lowest power signal that the receiver can measure.
Sensitivity (RF)
Measure of lowest power signal at the receiver input that can provide a prescribed
BER / BLER / SNR value at the receiver output.
SG
An LTE signaling interface for SMS (“SMS over SGs”)
SIB
System Information Block
SIM
Subscriber Identity Module. Also referred to as USIM or UICC.
SIMO
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.
Table F-1: Acronyms and definitions (Continued)
Acronym or term
Definition