Table 4 Throughput gain when using optimal power distribution between data and pilot symbols for various number of transmit antennas and LS and LMMSE channel estimators
From: Optimal pilot symbol power allocation under time-variant channels
Parameter | Tx = 1 | Tx = 2 | Tx = 4 |
|---|---|---|---|
LS | |||
Throughput gain | 10% | 10% | 7% |
LMMSE | |||
Throughput gain | 0.5% | 0.1% | 0.7% |