AT+QRSRP Antenna Port Clarification

Can anyone here explain further of what does AT+RSRP definition means? It said that the values are coming from PRX,DRX,RX2,RX3 and Im not sure if this directly translates to Ant 0,1,2, and 3. Thank you!

Dear @Rus
The parameters of RSRP correspond to main antenna, diversity antenna, MIMO1,MIMO2.
Different network combination will connect different antanna.
Here is a example to understand: