Quick Start Guide

Designed for Operators, by Operators
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• Maximum Downlink Rate. This parameter provides the means to globally fix the maximum
modulation rate in the Downlink direction (defined as Base Station to Subscriber). The default
is QAM64_5/6 and the same options as maximum uplink rate parameter are available.
• Antenna TX Mode. This the option to define the Smart Antenna Capabilities that were
described in section 2.3.2.3. The default setting is MIMO-A and the available options are:
o MIMO-AB
o MIMO-A. In MIMO-AB mode, if the Subscriber Unit indicates that the channel
conditions allow the operation of MIMO-B (usually in high multipath conditions with
very strong downlink signal and CINR) the Base station will dynamically assign the CPE
to operate in MIMO-B mode doubling the capacity on the downlink direction.
• Auto Power Control. The transmit power of a Subscriber is controlled via automatic
algorithms in the Base Station. This control of the transmit power ensures optimum
performance. The default is open-loop and the available options are:
o open-loop. In the case of an open loop algorithm, the Base Station sends a signal to
the Subscriber of the required settings and the Subscriber adjusts its transmit power
dynamically.
o closed-loop. In the case of closed loop, the Base Station controls the Subscriber transmit
power settings with a full measurements loop.
• Auto Transmit After Reset Mode. When this is enabled the Base Station will automatically
start transmitting upon a power cycle. If this is disabled, then the User will have to manually
start the transmission. By default, this is disabled. The user needs to enable this after
connecting the antenna, setting the frequency and TX power level.
• Channel Bandwidth. This is the current channel bandwidth of the radio transmission. The default
is 10MHz and the options are:
o 10MHz
o 7MHz
o 5MHz
o 3.5MHz
• DCD Interval. This is the internal with which WiMAX 802.16e DCD messages are transmitted
and is defined in milliseconds. The default is 1000 (1 second) and the available range is 15 up
to 10000.
• Default Provisioning Enabled. The user has the choice to enable or disable this feature. If this
is enabled, then any non-explicitly provisioned CPE will be assigned the Default Client Profile.
If this is disabled and the CPE is not explicitly provisioned, the CPE will remain wirelessly
connected but will not be assigned any data service flows which will cause no data traffic to
pass through.
• Downlink/Uplink Frame Ratio. This is the ratio of downlink to uplink frame symbols, refer to
Appendix A and how this affects data throughput. The default option is 35:12.
• Maximum Distance. This is the maximum distance, defined in km, that a CPE can
communicate with a Base Station. The default is set to 11Km and the user can select in the
range 1 to 58Km. Increasing the value above 11km will lower the maximum achievable
downlink performance. Configuring a distance greater than 28Km will cause a donut effect,
where the area of coverage will be between the outer and inner radius. The outer radius will
be the maximum distance configured and the inner radius will be the maximum distance