SMART BEAMFORMING (EPMP 2000 SERIES)
ePMP 2000 Smart Beamforming drastically reduces the effects of on-channel
interference. 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 before seen.
Smart Antenna Key Advantages:
Eliminate Uplink Interference: Smart Beamforming delivers dramatic performance
improvements when dealing with strong co-channel uplink interference, maximizing network
performance.
Consistent Performance in High Interference: By mitigating significant sources of interference,
packet loss and retransmissions are kept to a minimum, keeping your network applications
working at their best.
Improvement in Uplink and Downlink Performance: By eliminating packet loss and
retransmissions resulting from co-channel uplink interference, TCP retransmissions are greatly
reduced. Other applications also show significant performance benefits.
INTELLIGENT FILTERING (EPMP 2000 SERIES)
ePMP 2000 Intelligent Filtering improves both receive and transmit performance. It protects the
network from off-channel interferers with a filter that dynamically moves around the channel. On
the transmit side, it protects the RF environment by reducing off-channel transmission noise.
PMP NETWORKS
Using frequency planning
Frequency planning is the exercise of assigning operating channels to PMP units so as to minimize
RF interference between links. Frequency planning must consider interference from any PMP unit
to any other PMP unit in the network. Low levels of interference normally allow for stable
operation and high link capacity.
The frequency planning task is made more straightforward by use of the following techniques:
Using several different channels
Separating units located on the same mast
Configuring a 5 MHz guard band between adjacent sector operating band edges.
For help with planning networks, see System planning. You can also contact your Cambium
distributor or re-seller.
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