Element Failure Correction Techniques for Phased Array Antennas in Future Terahertz Communication Systems

Munsif, Hina; Braaten, Benjamin D.; Ullah, Irfan

doi:10.1007/978-981-16-5731-3_2

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2024

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Cited by 4 publications

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Beamforming Array Failure Correction for mm-Wave Synthetic Aperture Radar Applications

Munsif,

Saleem,

Shah

et al. 2024

Next Generation Wireless Communication

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Beamforming Array Failure Correction for mm-Wave Synthetic Aperture Radar Applications

Munsif,

Saleem,

Shah

et al. 2024

Next Generation Wireless Communication

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Malfunctioning conformal phased array: Radiation pattern recovery with particle swarm optimisation

Munsif,

ullah

2024

IET Microwaves Antenna & Prop

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The electronic beam steering in conformal phased arrays is formed by exciting the multiple antennas with appropriate phase shifts. However, the malfunctioning of phase shifters connected to the central antenna elements in the conformal array distorts the radiation pattern of the array system severely as compared to edge elements resulting in the reduction of the array gain and increase in the side lobe levels. Here, the authors propose a non‐dominated sorting multi‐objective particle swarm optimisation (NS‐MOPSO) technique capable of recalculating the independent phases of working antenna elements in the array in such a manner as to correct the overall radiation pattern. To illustrate the radiation pattern's recovery capabilities of the optimisation technique in case of malfunctioning of any random phase shifter(s), a 1 x 7 microstrip patch antenna array operating at 2.45 GHz on a wedge‐shaped conformal structure was designed in CST simulator. To test, the radiation pattern's recovery capabilities of the NS‐MOPSO approach, phase shifters connected to the antenna elements in the array were made to malfunction. Then the optimisation algorithm recalculates the phases for individual antenna elements to achieve the desired corrected radiation pattern. The simulated and measured radiation pattern recovery results are in good agreement with each other.

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Sidelobe level and nulls control of defected linear antenna arrays using an optimization algorithm

Munsif

Braaten

Ullah

2022

2022 19th International Bhurban Conference on Applied Sciences and Technology (IBCAST)

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Element Failure Correction Techniques for Phased Array Antennas in Future Terahertz Communication Systems

Cited by 4 publications

References 20 publications

Beamforming Array Failure Correction for mm-Wave Synthetic Aperture Radar Applications

Beamforming Array Failure Correction for mm-Wave Synthetic Aperture Radar Applications

Malfunctioning conformal phased array: Radiation pattern recovery with particle swarm optimisation

Sidelobe level and nulls control of defected linear antenna arrays using an optimization algorithm

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