Howtosignalprocessing
- What is antenna port in LTE?
- What are antenna ports used for?
- How many ports does an antenna have?
- What is reference signal in LTE?
What is antenna port in LTE?
An antenna port is defined such that the channel over which a symbol on the antenna port is conveyed can be inferred from the channel over which another symbol on the same antenna port is conveyed. From: Advanced Antenna Systems for 5G Network Deployments, 2020.
What are antenna ports used for?
An antenna port is generally used as a generic term for signal transmission under identical channel conditions. For each LTE operating mode in the downlink direction for which an independent channel is assumed (e.g. SISO vs. MIMO), a separate logical antenna port is defined.
How many ports does an antenna have?
Various configurations are defined that use these C-RS antenna ports, including 2- or 4-port Tx Diversity and 2-, 3-, or 4-port Spatial Multiplexing.
What is reference signal in LTE?
The purpose of this Reference Signal is to deliver the reference point for the downlink power. When UE try to figure out DL power (i.e, the power of the signal from a eNode B), it measure the power of this reference signal and take it as downlink cell power.
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