Specifications

Acronyms
Rev 8 Apr.14 Proprietary and Confidential - Contents subject to change 103
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.
SISO
Single Input Single Output—antenna technology that uses a single antenna at
both the transmitter side and the receiver side.
SKU
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.
SMS
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).
S/N
Signal-to-noise (ratio)
SNR
Signal-to-Noise Ratio
SOF
Start of Frame—A USB function.
SSS
Secondary synchronisation signal.
SUPL
Secure User Plane Location
TIA/EIA
Telecommunications Industry Association / Electronics Industry Association.
A standards setting trade organization, whose members provide communications
and information technology products, systems, distribution services and
professional services in the United States and around the world. Consult
www.tiaonline.org.
TIS
Total Isotropic Sensitivity
TRP
Total Radiated Power
UDK
Universal Development Kit (for PCI Express Mini Cards)
UE
User Equipment
UICC
Universal Integrated Circuit Card (Also referred to as a SIM card.)
UL
Uplink (mobile to network)
UMTS
Universal Mobile Telecommunications System
USB
Universal Serial Bus
USIM
Universal Subscriber Identity Module (UMTS)
VCC
Supply voltage
VSWR
Voltage Standing Wave Ratio
Table G-1: Acronyms and definitions (Continued)
Acronym or term Definition