AirVelocity 1500 Installation Guide
DUG01560
Airspan Commercial and Internal Use
31
C Abbreviations
Table 15: ABBREVIATIONS & DEFINITIONS
Term
Definition
3GPP
3rd Generation Partnership Project, responsible for LTE
ACS
Adjacent Channel Selectivity is a measurement of a receiver's ability to process a
desired signal while rejecting a strong signal in an adjacent frequency channel.
ACS is defined as the ratio of the receiver filter attenuation on the assigned channel
frequency to the receiver filter attenuation on the adjacent channel frequency
dB
Decibel. A logarithmic unit used to describe a ratio (such as power ratio in radio
telecommunications)
dBm
An abbreviation for the power ratio in decibels (dB) of the measured power
referenced to one milliwatt (mW). It is used as a convenient measure of absolute
power because of its capability to express both very large and very small values in
a short form
eNodeB
Evolved Node B, is the element in E-UTRAN of LTE
FDD
Frequency-Division Duplexing. A transceiver mode where the transmitter and
receiver operate at different carrier frequencies
IPSec
Internet Protocol Security is a protocol suite for securing Internet Protocol (IP)
communications by authenticating and encrypting each IP packet of a
communication session
LED
Light Emitting Diode
LTE
Long Term Evolution
PSU
Power Supply Unit
ROHS
Restriction Of Hazardous Substances
RRC
Radio Resource Control. A Sub-Layer in LTE responsible for Broadcast of system
information, paging, security functions, radio bearer control, etc…
SDR
Software Defined Radio
SyncE
Synchronous Ethernet. A method for maintaining synchronous communication
over Ethernet using the physical layer (L1), as defined by ITU-T G.8262
TDD
Time-Division Duplexing. A transceiver mode where the transmitter and receiver
operate on the same carrier frequency
UE
User Equipment. The end user in LTE
WEEE
Waste Electrical and Electronic Equipment