A design of multi-band antenna based on active meta-materials is presented in this paper. The proposed structure consists of monopole antenna integrated with active rectangular complementary split ring resonator (CSRR). The simulations are performed by electromagnetic software where dimensional parameters of the structure are varied and optimized. The considered antenna covers a multi wide frequency band from 3.14 to 3.35 GHz, 5.67-6.3 GHz and 7.58-9.5 GHz. Its performances are discussed in terms of reflection coefficient (S11), gain and radiation patterns.
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