Research Article

Distributed Structured Compressive Sensing-Based Time-Frequency Joint Channel Estimation for Massive MIMO-OFDM Systems

Table 3

Energy efficiency comparison.

TFT-OFDM MIMO [5]TFT-OFDM MIMO [22]FT-MIMO [5]Proposed TFT-OFDM MIMO

82.90%77.25%55.91%85.21%