DICTIONARY
Common terms & acronyms used in wireless industry
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Massive MIMO -
An extension of MIMO, using more transmit and receive
antennas to increase transmission gain and spectral efficiency.
There is currently no set minimum scale, though a system
with greater than 8 transmit and 8 receive antenna is generally
considered the threshold for massive.
MC- Multicarrier -
Process of splitting data into multiple components and
transmitting via separate carrier signals. This method offers
reduced susceptibility to several effects that can degrade
signal integrity, including multipath fading, interference caused
by impulse noise, and inter-symbol interference.
MCC - Mobile Country Code -
A unique identifier used in conjunction with a mobile network
code (MNC) to identify a mobile network operator.
MCO - Metro Cell Outdoor -
A LTE node manufactured by Alcatel Lucent and deployed as a Small Cell. MCO can be used both in and outdoors
MEC - Multi-Access Edge Computing -
A network architecture where more processing, especially for
latency-sensitive applications, stays closer to the edge of the
mobile network. A competing architecture to Centralized RAN
(C-RAN).
MIMO - Multiple Input / Multiple Output -
An antenna diversity technique using multiple antennas on
both the transmit side and receive side to take advantage of
multi-path propagation and improve the quality and reliability of
wireless communication.
MIPI - Mobile Industry Processor Interface -
A collection of more than 45 standard mobile industry
specifications designed to accelerate development of mobile
and mobile-influenced products, most commonly used in
mobile handsets.
mMTC - Massive Machine-Type Communications -
One of three primary 5G use cases defined in the IMT-2020
vision, massive machine-type communications supports 5G
IoT use cases with billions of connected devices and sensors.
The use case is characterized by low bandwidth and infrequent
bursts of data, requiring long-life batteries.
mmWave -
The band of spectrum between 30 GHz and 300 GHz where
the wavelength is on the order of millimeters. Between the microwave and infrared spectrums, mmWave is used for high-
speed wireless communications.
MNC - Mobile Network Code -
A unique identifier used in conjunction with a mobile country
code (MCC) to identify a mobile network operator.
mRBS - Micro Radio Base Station -
A low-power base station manufactured by Ericcson and deployed as an element of Small Cell infrastructure. mRBS is connected to a wireless carrier’s central office via an Ethernet connection
MRO - Metro Radio Outdoor -
A radio node manufactured by Alcatel Lucent and deployed as a Small Cell. MRO can be used both in and outdoors. It has built-in baseband unit that does CPRI to RF and RF to CPRI conversion.
mRRUS - Micro Remote Radio Unit -
A remote low-power radio node manufactured by Ericcson. mRRUS are deployed as an element of Small Cell infrastructure. mRRUS is connected to a digital radio base station using CPRI protocol
MU - Measurement Uncertainty -
A statistical representation of the accuracy of a measurement.
MU-MIMO - Multiple User, Multiple Input / Multiple Output -
An application of multiple-input / multiple-output (MIMO)
technologies where the base station communicates with two or
more UEs simultaneously.
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