Maximal ratio combining and equal gain combining

1. What is equal gain combining?
2. What is maximal ratio combining technique?
3. What are the advantages of maximal ratio combining over selection combining?
4. What is MRC in MIMO?

What is equal gain combining?

Equal-gain combining: All the received signals are summed coherently. Maximal-ratio combining is often used in large phased-array systems: The received signals are weighted with respect to their SNR and then summed. The resulting SNR yields where is SNR of the received signal .

What is maximal ratio combining technique?

In telecommunications, maximum-ratio combining (MRC) is a method of diversity combining in which: the signals from each channel are added together, the gain of each channel is made proportional to the rms signal level and inversely proportional to the mean square noise level in that channel.

What are the advantages of maximal ratio combining over selection combining?

Each technique has its own unique advantage but in comparison to other diversity techniques, maximum ratio combining technique is superior to other in many aspects. The MRC technique has high diversity gain and high signal to noise ratio compared to other diversity techniques.

What is MRC in MIMO?

MIMO Multiple Input Multiple Output. MISO Multiple-Input Single Output. MRC Maximum Ratio Combining.