Smart antennas can help overcome problems in ad-hoc networks by increasing efficiency. Using a two-lobe antenna pattern addresses hidden terminal problems from nodes not receiving RTS/CTS frames by keeping them silent. It also uses an additional antenna lobe to cover potential interference in opposite directions. For asymmetry in gain issues, increasing antenna gain ensures nodes in forbidden zones can receive RTS/CTS frames. The paper concludes smart antennas can enhance ad-hoc network performance by providing a greater combined gain than individual techniques.