Authors

Problem addressed

Outcome

Hanaoui and Mounir [27]

Energy Efficiency

Significant energy efficiency with smart antenna

Kristem et al. [28]

Energy Efficiency

Good analysis for selection of antennas in wireless communication

Zhu et al. [29]

Energy Efficiency

Better network energy efficiency with semi- smart antenna implementation

Tang and Ramanathan [30]

Energy Efficiency

Better energy efficiency in MIMO network

Ayodele et al. [31]

Energy Efficiency

Proficient signal quality and interference rejection