Essays about: "active antenna"

Showing result 1 - 5 of 39 essays containing the words active antenna.

1. 1. Near Field millimeter Wave Antenna Measurements

   University essay from Lunds universitet/Institutionen för elektro- och informationsteknik

   Author : Bharath Manjunatha; [2023]
   Keywords : Antenna Pattern; Near field to far field; Planar Scanning; Probe Compensation; Active Antenna; Technology and Engineering;

   Abstract : In the real world, understanding an antenna's radiation pattern is crucial for its proper utilization. Typically, antennas are tested in the far-field region, where the radiation lobes are fully developed and phase errors are less than pi/8. READ MORE

3. 2. A Modular Approach to Design and Implementation of an Active GNSS Antenna

   University essay from Linköpings universitet/Fysik, elektroteknik och matematik; Linköpings universitet/Tekniska fakulteten

   Author : Ulrik Hecktor; [2022]
   Keywords : GNSS; RTK; circular patch antenna; LNA; stacked patch antenna;

   Abstract : This master’s thesis describes the design, implementation and testing of an active antenna intended for use with global navigation satellite systems. The active antenna is composed of two major parts, a dual-band circular patch antenna and a dual-band low-noise amplifier. To streamline the design process, a modular solution was adopted. READ MORE

4. 3. Dual-polarized fully-metallic Vivaldi antenna array in a triangular lattice

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Omar Orgeira Alvarez; [2022]
   Keywords : Base station; Mobile communications; Phased arrays; Vivaldi antenna; Stripline; Basstation; Mobilkommunikation; Phased arrays; Vivaldi-antenn; Stripline;

   Abstract : New mobile communication generations need electromagnetic sensors capable of steering their high-directive beams towards the users. Conventional base stations use square lattice phased arrays to accomplish this task. These arrays are composed of a large number of radiating elements to achieve the required high directivity and scanning capabilities. READ MORE

5. 4. Active- integrated aperture lens antenna

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Jesus Ventas Muñoz de Lucas; [2021]
   Keywords : ;

   Abstract : Luneburg lens antennas are gaining popularity in new communication systems, as increasingly higher frequencies are being used. Broadband fully- metallic implementations of Luneburg lenses, such as Rinehart- Luneburg lenses, constitute simple, cheap and efficient beamformers. READ MORE

6. 5. Power Focusing with Intelligent Reflective Surfaces for Wireless Indoor Communication Systems

   University essay from Lunds universitet/Institutionen för elektro- och informationsteknik

   Author : Mingye Gong; [2021]
   Keywords : Intelligent Reflective Surfaces IRS ; 6G; MISO; Wireless Indoor Communication Systems; Technology and Engineering;

   Abstract : Intelligent reflective surfaces (IRS) are envisioned to have a significant number of applications in future wireless network systems by reconfiguring the signal propagation to improve system performance. In particular, the IRS's cell elements can independently reflect the incident signal by tuning its phase and achieving passive beamforming to enhance the received signal of the user equipment. READ MORE