A Novel Linear Sparse Array with Reconfigurable Pixel Antenna Elements

Table 4

Radiation performance of the RPA array.

Item	This work	Ref. [27]	Ref. [28]	Ref. [30]
Reconfiguration	Polarization and pattern	Frequency, polarization, and pattern (not independent)	Pattern	Frequency and pattern
Array	1 × 8	1 × 2	1 × 4	9 × 8
Arrangement of elements	Sparse	Uniform	Uniform	Uniform
Maximum scanning range (°)	45	30 (antenna element)	30	60
Gain fluctuation (dB)	<1.0	Not mentioned	±0.2	3.0–5.0
SSL (dB)	<−15.0	Not mentioned	<−8.5	<−10.0@45°