Reinhold, LukasLukasReinholdWasle, CasperCasperWasleKölpin, AlexanderAlexanderKölpin2024-07-192024-07-192024-07-01Electronics Letters 60 (13): e13247 (2024-07-08)https://hdl.handle.net/11420/48434The integration of directive elements into a circular switched parasitic array at 868 MHz is presented. The typical usage of reflective parasitic monopoles is supplemented with additional, shorter monopole elements which are positioned closer to the central active monopole to induce directive behaviour. This allows for more degrees of freedom with the steering of the antennas beam and to increase the gain of the antenna. This leads to a greater flexibility of the system and enables power reduction of the amplifiers for enhanced battery life time. The design and configuration of a circular switched parasitic array with directive elements is shown and a prototype is built for validation.en0013-5194202413IET; Wileyhttps://creativecommons.org/licenses/by-nc/4.0/antenna arraysantenna radiation patternsantennasantenna testingTechnology::621: Applied Physics::621.3: Electrical Engineering, Electronic EngineeringJournal Article10.15480/882.1315510.1049/ell2.1324710.15480/882.13155Journal Article