Side Null Analysis of the Main-Auxiliary Antenna Array for Noncooperative Interference Cancellation

Table 1

Comparision of similar references.

References	Application	The feature of radiation pattern	The methods adopted
[31]	Array pattern synthesis	Main lobe and side lobe	Maximize main lobe using convex optimization with side-lobeconstraints
[32]	Interference suppression	The null at interference direction	Propose a dual ring antenna to form null at interference direction
[27]	Interference suppression	The null at interference direction	Use adaptive bat algorithm (BA) to impose nulls at directions of interferences
[33]	Multiple interferences suppression	The null at interference direction in main-lobe and/or side-lobe	Form the coupling nulls of space and polarization domain
[28]	Rapidly moving interference suppression	The null at interference direction	Broaden the null at interference direction
[30]	Spatial interference reduction	Grating nulls at noninterference directions	Describe grating null mainly by simulation
This paper	Interference cancellation	Side null at noninterference directions	Quantitatively characterize the effect of side null on interference cancellation