Essays about: "performance QAM"

Showing result 1 - 5 of 20 essays containing the words performance QAM.

1. 1. Performance Analysis of STTC-Based MIMO Under Cognitive RadioScenarios

   University essay from Blekinge Tekniska Högskola/Institutionen för datavetenskap

   Author : Sanjana Kankantee; Sai Praneeth Reddy Ganta; [2023]
   Keywords : Space-time trellis coding; MIMO; Cognitive radio; Performance; Bit error rate; Diversity; AWGN; Rayleigh fading; Detection; Spectrum.;

   Abstract : This thesis presents a comprehensive investigation into improving wireless transmission rates and reliability through the implementation of Space Time Trellis Codes(STTC). The study focuses on enhancing the coding gain, diversity gain, and flexible transmission capabilities, which are crucial for Error-Correcting Codes (ECC)in wireless communications. READ MORE

3. 2. D-band Power Amplifiers in Vertical InGaAs Nanowire MOSFET Technology for 100 Gbps Wireless Communication

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

   Author : Patrik Blomberg; Ludvig Pile; [2022]
   Keywords : D-band; Power Amplifier; Pseudo-differential common source; Stacked; Vertical InGaAs nanowire; MOSFET; Technology and Engineering;

   Abstract : Two different topologies of power amplifiers (PAs) are designed in the frequency range 130-174.8 GHz for use in backhaul transmitters. These are the pseudo-differential common source (PDCS) and the single-ended stacked amplifier topologies. READ MORE

4. 3. A Blind Constellation Agnostic VAE Channel Equalizer and Non Data-Assisted Synchronization

   University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknik

   Author : Fredrik Reinholdsen; [2021]
   Keywords : Blind; Equalization; Machine Learning; Variational; Autoencoder; VAE; Constellation; Agnostic; Synchronization; Neural; Networks;

   Abstract : High performance and high bandwidth wireless digital communication underlies much of modern society. Due to its high value to society, new and improved digital communication technologies, allowing even higher speeds, better coverage, and lower latency are constantly being developed. READ MORE

5. 4. Graph Neural Networks and Learned Approximate Message Passing Algorithms for Massive MIMO Detection

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

   Author : Andrea Scotti; [2020]
   Keywords : ;

   Abstract : Massive multiple-input and multiple-output (MIMO) is a method to improvethe performance of wireless communication systems by having a large numberof antennas at both the transmitter and the receiver. In the fifth-generation(5G) mobile communication system, Massive MIMO is a key technology toface the increasing number of mobile users and satisfy user demands. READ MORE

6. 5. Symmetric alpha-Stable Adapted Demodulation and Parameter Estimation

   University essay from Luleå tekniska universitet/Signaler och system

   Author : Kristoffer Hägglund; [2018]
   Keywords : ;

   Abstract : Transmission and reception of signals in wireless communication systems is affected by additive interference corrupting the signal. Traditionally, the interference is assumed to be AWGN and the system designs are usually based on that assumption. READ MORE