While checking configuration of antennas and DRFUs in huawei system I got this problem
According to my understanding normal SB outdoor antenna 2 ports is as follows
+ TX /RX
- RX
but in the 2 DRFU configuration for one cell we connect two antenna feeder for each DRFU and connect 2 DRFUs with interconnection TX & RX cables.
this configuration coverage will still be present even if the TX/RX port connected DRFU is faulty
With the experience i have observed when antenna + and - ports are incorrectly connected to the DRFUs coverage is lower
Now I list down the problems I got
1. Does 2 DRFU configuration uses both antenna feeders for TX
2. if does RX port connected DRFU TRXs has lower coverage compared to other
3. How does RX diversity achieved with this configuration
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