Essays about: "multiple input multiple output"
Showing result 1 - 5 of 193 essays containing the words multiple input multiple output.
-
1. Physical Layer Security for MIMOTransmission of Short PacketCommunications
University essay from Blekinge Tekniska Högskola/Institutionen för datavetenskapAbstract : This thesis explores the practical application of Physical Layer Security (PLS) inMultiple-Input Multiple-Output (MIMO) systems, particularly focusing on ShortPacket Communication (SPC). The aim is to enhance the security of wireless com-munications against eavesdropping threats. READ MORE
-
2. Using search based methods for beamforming
University essay from Uppsala universitet/Avdelningen för systemteknikAbstract : In accommodating the growing global demand for wireless, Multi-User Multiple-Input and Multiple-Output (MU-MIMO) systems have been identified as the key technology. In such systems, a transmitting basestation serves several users simultaneously, increasing the network capacity. READ MORE
-
3. Off-State Stress Effects in AlGaN/GaN HEMTs : Investigation of high-voltage off-state stress impact on performance of and its retention in hybrid-drain ohmic gate AlGaN/GaN HEMTs
University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)Abstract : High electron mobility transistors (HEMTs) realized using AlxGa1-xN/GaN are relatively new technology which is prominent for high-speed and high-power applications. Some of the main problems with this technology were identified as dynamic RDSon, current collapse and threshold voltage instabilities due to the off-state stress. READ MORE
-
4. Parabolic equation models simulating LoS MIMO conditions
University essay from Karlstads universitet/Institutionen för ingenjörsvetenskap och fysik (from 2013)Abstract : This thesis explores and develops a simulation model for Line of Sight(LoS) Multiple-Input Multiple-Output (MIMO) systems in complex environments. The focus will be on implementing a 2 × 2-MIMO system in order to study phase differences of the received signals. READ MORE
-
5. Design of a grating lobe mitigated antenna array architecture integrated with low loss PCB filtering structures
University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)Abstract : Massive multiple input multiple output - MIMO systems are a reality and modern communication systems rely upon this technology to cope with the increasing need for capacity and network usage. Antenna arrays are at the heart of the of the massive-MIMO system and are the enabling technology. READ MORE