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A low-complexity metallic tapered slot antenna (TSA) array for millimeter-wave multibeam massive multiple-input multiple-output communication is proposed in this paper. Good beamforming performance can be achieved by the developed antenna array because the element spacing can easily meet the requirement of half-wavelength in the H-plane. The antenna element is fed by a substrate-integrated waveguide,...
This paper designed and fabricated a 1×4 ultra-wideband (UWB) Vivaldi antenna array for a phased-array radar system. Vivaldi antenna array is a common solution in applications which require broad bandwidth over several octaves and wide scan volume. The measured impedance bandwidth of the four antenna elements are over 2.25:1 with voltage standing wave ratio (VSWR) <2 in L and S bands. And the radiation...
This paper presents the design of an RF self-interference cancellation circuit for the full duplex wireless communication systems. Excellent performance is achieved. The RF cancellation circuit provides more than 50dB self-interference cancellation across a 50MHz bandwidth. The transmitted power can be quite high for very low IMD products will be introduced in the circuit. The real time optimization...
In this paper, the full wave EM investigation on the self-interference channel characteristic of the full duplex wireless communication systems is presented. The FDTD method is used to obtain the channel response with different antenna configurations. The simulated results agree well with the measurement.
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