Why we need reference signals in LTE?

Question

I know few name of reference signals such as Cell-Specific Reference Signal, MBSFN reference signals , UE specific reference signals and Positioning Reference Signals. But I want know where all these reference signals are transmitted and how it is determined ? And please add the reference signal name which I might have missed.

Answer 1

Hi reddy.

reference signals has many usage. like PSS / SSS is used for synchronization , SRS is used for UL channel quality, csrs is used for cell strength , DMRS is used for UL data strength .

Comments

Hi rohit,i want to know intention behind introducing the concept of reference signals

---

please clarify your question, each of the above reference signals has its own intention ,same i explained above