System Planning 83
l When there is no data traffic, the algorithm is driven by the short training frame (STF) SNR as
reported by each management packet. The SNR is compared to an MCS table. If the SNR is greater
or lesser than table value, the transmit power or the MCS rate is adapted accordingly.
There is a maximum TX power per MCS mode (which is defined in the configuration section).
During the adaptation process, the transmit power is either increased or decreased first to:
l increase the power till the maximum per MCS power is reached or
l reduce the power if there is enough headroom.
If the maximum power for the MCS mode has been reached, the MCS mode is reduced.
Radio spectrum planning
General wireless specifications
The following 60 GHz cnWave wireless specifications (all variants) table lists the wireless specifications
that apply to all 60 GHz cnWave frequency bands:
Table 31: 60 GHz cnWave wireless specifications (all variants)
Item Specification
Channel
selection
Open/R protocol or manual selection
Manual power
control
Supports ATPC automatic transmit power control and maximum EIRP can be set
lower than the default power limit.
Integrated
antenna type
l V1000 - 22.5 dBi gain
l V2000 - 34.5 dBi gain
l V3000 - 44.5 dBi gain and 40.5 dBi gain
l V5000 -22.5 dBi gain
Duplex schemes Symmetric 50:50 fixed and asymmetric fixed
Range 100 m to 2 KMs, depends on the following factors:
l Frequency selected
l Rain condition
l Availability
l EIRP limitation
Over-the-air
encryption
AES 128-bit
Weather
sensitivity
Highly sensitive due to rain range conditions. For more information in range, refer
Rain and attenuation table.
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