EURASIP Journal on Wireless Communications and Networking

Table 4 Performance comparison of the presented waveguide arrays

From: A promising Ka band leaky-wave antenna based on a periodic structure of non-identical irregularities

References	Frequency (GHz)	Gain (dBi)	SLL (dB)	Rad. eff.(\(\%\))
[60]	32	16.1	− 13.0	83
[61]	30.2	27.0	− 13.0	80
[62]	30	15.5	− 10.0	87
[63]	37.5	18.0	12.6	N/A
This work	37.2	22.0	− 18.3	99.35

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