MUMBAI, India, June 30 -- Intellectual Property India has published a patent application (202641075306 A) filed by Ram Sandeep Duvvada on June 18, 2026, for Design Of A Compact Frequency-Reconfigurable Monopole Antenna For Multi-Band Sub-6 Ghz Wireless Systems.
Inventors include D. Ram Sandeep; Jami Sagarika; Kaparapu Hepsibha; Bandela Vamsi; and Dontala Pardha Saradhi.
The application for the patent was published on June 26, 2026, under issue no. 26/2026.
Abstract: The rapid evolution of wireless communication systems has created a strong demand for compact, efficient, and flexible antennas capable of operating across multiple frequency bands. This project presents the design and analysis of a compact frequency-reconfigurable monopole antenna intended for multi-band Sub-6 GHz wireless applications. The proposed antenna is designed to support modern communication standards such as 4G LTE, 5G Sub-6 GHz, Wi-Fi, and IoT systems, ensuring versatility within a single compact structure. The antenna incorporates reconfigurability through the use of switching elements, enabling dynamic adjustment of its operating frequency bands. By integrating components such as PIN diodes or similar switching mechanisms, the antenna can selectively activate different resonant paths, allowing it to operate efficiently at multiple frequencies. The design emphasizes compact size, low-profile structure, and ease of fabrication, making it suitable for portable and embedded wireless devices. Simulation and optimization are carried out using electromagnetic design software to achieve desirable parameters such as return loss, VSWR, gain, and radiation efficiency. The results demonstrate that the proposed antenna achieves stable performance across multiple frequency bands within the Sub-6 GHz range, with good impedance matching and radiation characteristics. The frequency reconfigurability enhances spectrum utilization and reduces the need for multiple antennas in a single device, thereby saving space and cost. Overall, the designed antenna provides a promising solution for next-generation wireless communication systems requiring compactness, adaptability, and multi-band functionality. The proposed antenna design also ensures improved energy efficiency and seamless integration into modern wireless systems. By enabling operation only at the required frequency bands, the design helps reduce unnecessary power consumption and enhances overall performance. The simple structure and use of low-cost materials make the antenna suitable for practical implementation and large-scale manufacturing
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