What should be CSI RS resource configuration in the network?
Number of RB allocation should be all PRB in BW.
For example if we use 53 RB out of 276 RB in 100 Mhz BW what are the pros-cons of it?
As per 3gpp : why smallest configurable number is 24 RB
Number of PRBs across which this CSI resource spans. Only multiples of 4 are allowed. The smallest configurable number is the minimum of 24 and the width of the associated BWP. If the configured value is larger than the width of the corresponding BWP, the UE shall assume that the actual CSI-RS bandwidth is equal to the width of the BWP.