A Systematic Workflow for the Design and System-Level Integration of a 2.1 GHz PIFA Antenna Using AWR
DOI:
https://doi.org/10.54097/yrnbn480Keywords:
AWR, Analyst, VSS, PIFA, S-parameters, Radiation PatternAbstract
The increasing complexity of modern wireless communication systems necessitates the accurate evaluation of antenna performance at the system level. A key challenge in the design workflow, however, is the high-fidelity integration of antenna models from three-dimensional (3D) electromagnetic (EM) simulations into system-level platforms. To address this issue, this paper presents a systematic workflow for the complete process from component design to system-level integration of a 2.1 GHz Planar Inverted-F Antenna (PIFA) within the AWR Design Environment. Initially, the antenna's physical dimensions are estimated based on quarter-wavelength (λ/4) resonance theory. Subsequently, the PIFA is modeled in the 3D EM simulator, Analyst™, where its performance is optimized through parametric sweeps of the radiating arm length and feed point position to achieve precise frequency tuning and impedance matching. The simulation results demonstrate that the optimized PIFA exhibits excellent performance. Finally, this paper elaborates on the method for integrating the optimized antenna's S-parameters and far-field radiation pattern data into the Visual System Simulator (VSS) to create a high-fidelity behavioral model. This comprehensive workflow effectively bridges the gap between component-level EM simulation and system-level link analysis, providing a clear and practical paradigm for antenna-system co-design.
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