Product Info
Table Of Contents
- About This Manual
- Important Notice
- Introduction
- Document structure
- Document marks
- Key Features
- Hardware Platform
- Power supply
- Lightning protection unit
- Synchronization unit
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- AUX-ODU-SYNC Cable gland Assembling
- AUX-ODU-SYNC Connection to ODU
- Packing List
- Planning considerations
- Link Pre-configuration in the lab
- Installation
- Operation & Administration
- Troubleshooting
- Glossary
Infinet Wireless: Technical Documentation – InfiMAN Evolution
Operation & Administration – 111
59 Figure - Configuration options
If the "Single" mode is selected when, then "Chain #1" column (horizontal polarization) can be disabled for
transmission (TX) and / or reception (RX):
60 Figure - Chain #
Settings for"MIMO"mode
Different data streams are transmitted over "Chain #0" and "Chain #1".MIMOuses multiple antennas at both the
transmitter and receiver side to improve communication performance and data is sent on both the horizontal and
vertical polarizations (data is space-time coded - spatial multiplexing, to improve the reliability of data
transmission):
Channel
Type
Dual
Radio
Chain
#0 #1
Rx
Activated Activated
Tx
Activated Activated
15 Table - Settings for MIMO mode
Settings for "MISO" mode
The same data streams are transmitted over "Chain #0" and "Chain #1", lowering the performance of the link, but
enhancing the ability to transmit data in case of interference or obstacles in transmission path (a special mode of
operation ofMIMOdevices used inNLOSconditions or in a noisyRFenvironment):
Channel
Type
Single
Radio
Chain
#0 #1
NOTE
MIMO, MISO and SISO are defined from the perspective of the data sent by the local unit (not considering
the number of physical antennas used for tx and rx like in the classical definition). Therefore, these
represent local configuration options. For example, one stream of data can be sent by one chain (1
antenna) corresponding to SISO or the same stream can be sent by both chains (2 antennas)
corresponding to MISO.