Highly Efficient Ultra-Wide Band MIMO Patch Antenna Array …
205
compared to the proposed antenna. The antenna reported in Ref. [23] has resonance
on dual-band with high gain and efficiency but having low bandwidth as compared
to propose optimized antenna.
From Table 3, it is clear that the proposed antenna is providing better performance
as compared to the previously reported terahertz antenna. The optimized antenna is
resonating on dual-band and covering the entire bandwidth from 0.61 to 1 THz of the
terahertz regime. The entire band has a high constant value of radiation and antenna
efficiency over the resonance. Moreover, many researchers have developed only the
single antenna for terahertz communications, didn’t characterize the MIMO antenna
system for proposed geometry.
5 Conclusion
This chapter is having research-oriented content of the design of MIMO antenna
for THz applications. In this chapter, we have presented a new dual wideband optimized MIMO patch antenna array that is developed for terahertz indoor wireless
applications. This research is focused to design a low profile, highly efficient, easy
to fabricate, wideband, and high gain planar MIMO antenna. The proposed antenna
is resonating on 0.65 and 0.85 THz band having −35 dB and −60.14 dB reflection
coefficient, so very low power is reflected back. The antenna will be fully utilized
the input power. Such antenna attained 8.41 dB maximum gain and 70.01% antenna
efficiency. Furthermore, there is a requirement of the MIMO antenna system to
tackle the multiple losses in the terahertz environment so a 4 × 2 MIMO antenna is
developed and analyzed. The developed MIMO antenna system has same resonance
character as that of the optimized antenna when eight antenna elements are arranged
on a single substrate. The developed MIMO antenna has less than −13 dB values
of transmission coefficient and less than 0.01 dB values of ECC between respective
antenna elements. The proposed MIMO antenna array can be a good candidate for
on-chip devices for next-generation wireless short-range communications.
6 Acknowledements
The authors would like to acknowledge the Visvesvaraya Ph.D. scheme, Meity
(India) and Science and Engineering Research Board (SERB), Department of Science
and Technology (DST), Government of India and for financial support under grant
number EEQ/2019/000,115.
205
compared to the proposed antenna. The antenna reported in Ref. [23] has resonance
on dual-band with high gain and efficiency but having low bandwidth as compared
to propose optimized antenna.
From Table 3, it is clear that the proposed antenna is providing better performance
as compared to the previously reported terahertz antenna. The optimized antenna is
resonating on dual-band and covering the entire bandwidth from 0.61 to 1 THz of the
terahertz regime. The entire band has a high constant value of radiation and antenna
efficiency over the resonance. Moreover, many researchers have developed only the
single antenna for terahertz communications, didn’t characterize the MIMO antenna
system for proposed geometry.
5 Conclusion
This chapter is having research-oriented content of the design of MIMO antenna
for THz applications. In this chapter, we have presented a new dual wideband optimized MIMO patch antenna array that is developed for terahertz indoor wireless
applications. This research is focused to design a low profile, highly efficient, easy
to fabricate, wideband, and high gain planar MIMO antenna. The proposed antenna
is resonating on 0.65 and 0.85 THz band having −35 dB and −60.14 dB reflection
coefficient, so very low power is reflected back. The antenna will be fully utilized
the input power. Such antenna attained 8.41 dB maximum gain and 70.01% antenna
efficiency. Furthermore, there is a requirement of the MIMO antenna system to
tackle the multiple losses in the terahertz environment so a 4 × 2 MIMO antenna is
developed and analyzed. The developed MIMO antenna system has same resonance
character as that of the optimized antenna when eight antenna elements are arranged
on a single substrate. The developed MIMO antenna has less than −13 dB values
of transmission coefficient and less than 0.01 dB values of ECC between respective
antenna elements. The proposed MIMO antenna array can be a good candidate for
on-chip devices for next-generation wireless short-range communications.
6 Acknowledements
The authors would like to acknowledge the Visvesvaraya Ph.D. scheme, Meity
(India) and Science and Engineering Research Board (SERB), Department of Science
and Technology (DST), Government of India and for financial support under grant
number EEQ/2019/000,115.