In this paper, an optimization driven method for the synthesis of pattern reconfigurable parasitic antenna arrays is presented. The proposed approach allows the design of antennas fulfilling different performance requirements. Two test cases, aimed …
This paper presents the experimental evaluation of the effects of the user's fingers on the performance of a 5G terminal antenna array operating in the European 5G regulated band at 26 GHz. Matching and radiation characteristics of a four-element …
This paper presents a multiband MIMO antenna system with four accesses, with very good performance despite the complex environment that surrounds it. This environment consists of a thick plastic radome protecting the antenna and an aluminum metallic …
This paper presents a low-cost measurement method for MIMO antenna performance assessment based on the open-source OpenAirInterface initiative. MISO 8×1 measurements are presented to experimentally prove the reproductibility of the test method, using …
With MIMO, Wi-Fi led the way to the adoption of antenna array signal processing techniques for fine-grained localization using commodity hardware. These techniques, previously exclusive to specific domains of applications, will spur interest to reach …
This paper addresses the problem of the environmental sensitivity of miniature antennas to be integrated in Internet-of-Things devices. A representative example regarding the design of a dual-band miniature antenna for geolocation applications is …
Reconfigurable directional antennas (RDA) bring new opportunities to reduce data collision in wireless sensor networks (WSN). In this letter, a new reconfigurable directional antenna-based receiver-Initiated cycled receiver (RDA-RICER) medium access …
A super-directive parasitic element system, with a diameter of the minimum sphere circumscribing the antenna equal to 0.2λ0, is simulated and measured. A maximum directivity of 7.2 dBi is measured with a radiation efficiency of -6.5 dB at 876MHz. An …
This paper presents the design of a stratospheric platform “Stratobus” which would among other things, perform civil and military telecommunications missions. This type of system has the potential to effectively complement existing satellite and …
In this paper an antenna array for imaging applications is presented. A two-step design process is used. In the first step, a wideband printed monopole antenna to be employed as the array element is synthesized by means of a Particle Swarm …