Essays about: "Directional Antennas"

Showing result 1 - 5 of 19 essays containing the words Directional Antennas.

1. 1. Simulation and Testing of a MU-MIMO Beamforming System

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

   Author : Nazyar Mehdishishavan; Zonghan Wang; [2023]
   Keywords : Multi-User Multiple-Input Multiple-Output MU-MIMO ; Beamforming; Sounding Reference Signal SRS ; Reciprocity-based; Butler matrix; Advanced Antenna System AAS ; Technology and Engineering;

   Abstract : Multi-User Multiple-Input Multiple-Output (MU-MIMO) technology has become increasingly important in the field of wireless communication due to its ability to highly increase the capacity and efficiency of wireless networks [1]. Beamforming, as a technique used in MU-MIMO systems, improves network performance by improving signal quality and reducing interference. READ MORE

3. 2. Design of a Dielectric Radome using a Ray-Tracing Model for Satellite Communications

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

   Author : Flores Espinosa Núria; [2023]
   Keywords : Dielectric radome; Ray tracing; Array antenna; Lens antenna; Satellite communications; Radom dielèctric; Traçat de Rajos; Arranjament d’antenes; Antena de lent; Comunicacions per satèl·lit; Dielektrisk radome; Strålspårning; Gruppantenn; Linsantenn; Satellitkommunikation;

   Abstract : In recent years, there has been a huge increase in the use of satellite communications. This has led to a need for more capacity, which can be solved by moving towards higher frequency bands in search of higher bandwidths. READ MORE

4. 3. TUNABLE ANTENNAS FOR CLOSED-LOOP SYSTEMS

   University essay from Blekinge Tekniska Högskola/Institutionen för datavetenskap

   Author : ManiChandana Chowki; Shrutha Keerthi Reddy Nagaiahgari; [2023]
   Keywords : Closed-loop Systems; Tunable Antennas; Radio Frequency RF ; MCU in closed-loop Systems; Adaptable Tuning; Antenna Impedance Matching Adaptive Antennas.;

   Abstract : Tunable antennas have emerged as a promising technology to address the challenges of achieving optimal performance across a wide range of frequencies. This abstract presents a study focused on designing and implementing an ideal antenna system design within a closed-loop system. Background. READ MORE

5. 4. Antenna Design and Link Performance Verification of Antennas for 5G mmWave Handheld Devices

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

   Author : Vinodhini Mylai Chandrasekaran; Nikhila Chinnayanapalli Ravi; [2022]
   Keywords : Antenna Design; mmWave frequency; 5G; FEKO; Technology and Engineering;

   Abstract : The purpose of the thesis is to design a new antenna system and to verify its link performance in 5G FR2 mmWave frequency for handheld devices to enable cellular communication. The main objective is to design an antenna primarily at 28GHz and 39GHz to enhance spectrum efficiency, along with improved transmission data rates, enabling new cases like Augmented Reality (AR), Virtual Reality (VR) and many more such applications. READ MORE

6. 5. Evaluation, Optimization and Characterization of Miniaturized Triple Band Antennas for Wi-Fi 6 and Wi-Fi 6E

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

   Author : Muzi Cheng; [2022]
   Keywords : Antennas; Wi-Fi 6E; Radiation; Resonance; Tuning; Antenner; Wi-Fi 6E; Strålning; Resonans; Tuning;

   Abstract : Antenna is a key component in wireless devices such as cell phones, laptops and smartwatches. With the new generation of Wi-Fi technology: Wi-Fi 6E coming out, 1200MHz bandwidth from 5.925GHz to 7.125GHz is freed for use. READ MORE