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ePMP 4x4 MU-MIMO Sector Antenna/ePMP 4x4 MU-MIMO Dual-Horn Antenna/ePMP 4x4 MU-
MIMO Omni Antenna:
External Antennas for the ePMP 3000 AP.
For more information about these components, including interfaces, specifications, and Cambium part
numbers, see Chapter 2: System Hardware.
Wireless operation
This section describes how the ePMP wireless link is operated, including modulation modes, power
control, and security.
MU-MIMO
The ePMP 3000 MU-MIMO AP is equipped with either a sector antenna array or a pseudo-Omni antenna.
Antenna diversity allows simultaneous DL transmissions for two subscriber modules for MU-MIMO. As
such, the ePMP 3000 AP’s DL throughput capacity is significantly increased vs. the ePMP 1000/2000
APs.
This is a contrast to a traditional wireless system, where two subscribers cannot communicate on the
same channel to the same AP at the same time without causing significant self-interference and
degrading the overall wireless network performance.
MIMO
The Multiple-Input Multiple-Output (MIMO) technique protects against fading and increases the
probability of a received decoded signal being usable.
Smart beamforming (ePMP 2000/3000 series)
Powered by Hypureâ„¢ technology, ePMP series APs feature Smart Beamforming. This powerful addition to
your network creates narrow, targeted beams to each subscriber, rather than relying on a traditional wide
beam, blocking out multiple sources of interference to keep performance high.
The System learns the locations of each served Subscriber Module and forms a narrow beam towards the
desired Subscriber Module while that radio is transmitting in the uplink. This reduces the gain on the
uplink for on-channel interferers that are transmitting at an azimuth angle different than the Subscriber
Module, delivering performance gains never seen before.
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