The conventional Leaky Wave antenna has had limited commercial success because it lacks complete backfire-to-endfire frequency scanning capability . The CRLH allowed complete backfire-to-endfire frequency scanning, including broadside.
2.
Mar�a Garc�a-Vigueras, Jos?Luis G�mez-Tornero, George Goussetis, Andrew R . Weily, and Y . Jay Guo, 1D-Leaky Wave Antenna Employing Parallel-Plate Waveguide Loaded with PRS and HIS, accepted by IEEE Transactions on Antennas and Propagation.