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Reference signals

How Reference signals Map in LTE?

For channel estimation different types of reference signals are in use: – Cell specific reference signals. – MBSFN reference signals. – UE specific reference signals CELL-SPECIFIC REFERENCE SIGNALS These signals are transmitted for all non-MBSFN subframes only where subcarrier spacing is 15 kHz. In MBSFN subframes only the first 2 OFDM symbols can be used. … Read more

What is Carrier to Interference plus Noise Ratio in LTE

LTE is designed to operate in environments where there are peripheral interventions. Link performance degrades as the C/I (i.e. Carrier interference ratio) is reduced, however, it may be acceptable in places with zero or negative C/i. every site and sector LTE systems operating on the same channel so that they can receive interference from all … Read more