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A beam steerable square loop antenna over hybrid high impedance surface is designed and simulated with the help of Agilent ADS momentum and its benefit in increasing the Wi-Fi range and speed is demonstrated. At a test frequency of 4.7 GHz, the antenna produces a tilted beam in the direction of Φmax = 315° and θmax = 30° with 8 dB gain. Compared to conventional laptop antennas, the proposed antenna...
A circularly polarized antenna with square patches and slots has been proposed for radio frequency identification reader applications. The design of reader antenna is optimized to reduce the overall size of an antenna. A ground plane with an arrow type slot has been utilized for efficient coupling of RF power from the feed line to the antenna's square patches. On the square patches, square slots have...
A novel double square loop (DSL) antenna for beam adaptive applications is proposed. The double square loop antenna consists of two identical square loops placed at 45deg to each other with a common centre. The antenna is fed at the eight external corners of the conductor loop arm, which when excited one at a time steer the beam through 360deg in steps of 45deg. In addition, the DSL antenna operates...
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