Alvarion BREEZEACCESS SW VERSION 5.1 User Manual

Page 176

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Chapter 4 - Operation and Administration

BreezeACCESS VL System Manual

144

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The HW revision of the unit

„

The Maximum Allowed Tx Power as defined for the applicable Sub-Band.

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The Maximum EIRP as defined for the applicable Sub-Band, together with the

value of the Antenna Gain. In certain countries the Maximum EIRP of some
equipment types cannot exceed a certain value. In these cases the Transmit
Power cannot exceed the value of (Maximum EIRP – Antenna Gain).

For information on how to view the Sub-Bands supported by the unit and the
supported parameters’ values and options, refer to section

4.2.2.4

.

The unit calculates the maximum allowed Maximum Tx Power according to the
unit properties and parameters listed above, and displays the allowed range when
the Maximum Tx Power parameter is selected.

For each modulation level, the unit will use as maximum transmit power the
minimum between this parameter and the maximum Tx power allowed by the HW
and the Country Code for the specific modulation level.

The default Maximum Tx Power is the highest allowed value.

4.2.6.2.8.2.2 Show Maximum Tx Power Parameters

This option displays the Maximum Tx Power parameter and the current
maximum Tx power for the different modulation levels.

4.2.6.2.8.3 ATPC Parameters in AU

4.2.6.2.8.3.1 ATPC Option

The ATPC Option enables or disables the Automatic Transmit Power Control
(ATPC) algorithm.

The default is Enable.

4.2.6.2.8.3.2 ATPC Minimum SNR Level

The Minimum SNR Level defines the lowest SNR at which you want each SU to be
received at the AU (the lower limit of the optimal reception level range).

Available values: 4 to 60 (dB).

Default value: 28 (dB).

4.2.6.2.8.3.3 ATPC Delta from Minimum SNR Level

The Delta from Minimum SNR Level is used to define the highest SNR at which
you want each SU to be received at the AU (the higher limit of the optimal
reception level range):

Max. Level=Minimum SNR Level + Delta from Minimum SNR Level.

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