can antenna can resonate at multiple frequencies in MIMO antenna? if the S11 is correct could any one tell the suitable applications ?
Yes, Please see this relevant article.
https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7378845
the first part of the question is not clear. an antenna may resonate at different frequencies. The simulation results attached seems correct, but these are only simulated results and they may or may not be correct due to improper settings etc. If you want authentication, go for prototyping the antenna and see the results in actual hardware. Also you should check other parameters like radiation pattern, gain etc. to see the working of antenna at resonant bands.
Yes, it is possible for an antenna to resonate at multiple frequencies in a multiple-input multiple-output (MIMO) system. MIMO systems use multiple antennas at both the transmitter and receiver to transmit and receive multiple signals simultaneously, which can improve the performance and capacity of the communication system.
To achieve resonance at multiple frequencies, the antenna must be designed specifically for this purpose. This can be done by using multiple resonant elements within the antenna, or by using an antenna with a broadband design that is capable of resonating over a wide frequency range.
One application of an antenna that can resonate at multiple frequencies is in wireless communication systems, such as mobile phones or Wi-Fi routers. MIMO systems are widely used in these types of applications to improve the performance and capacity of the wireless connection. Other potential applications of multi-frequency resonant antennas include radar systems, satellite communication systems, and wireless power transmission systems.
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