Essays about: "QAM"

Showing result 1 - 5 of 36 essays containing the word 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. Visualization of digital modulation techniques

   University essay from Malmö universitet/Institutionen för datavetenskap och medieteknik (DVMT)

   Author : Mustafa Can Tas; Fatima AlKurdi; [2021]
   Keywords : ;

   Abstract : Digital communication has gone through much development in the past decade. The literature in this field has developed and improved as well, but the educational materials still lack illustrative descriptions. READ MORE

5. 4. All-digital FPGA receiver : on Intel Stratix 10 TX

   University essay from Linköpings universitet/Elektroniska Kretsar och System

   Author : Kim Persson; [2021]
   Keywords : FPGA; VHDL; Transceivers; Digital communication; ADC; PWM; QAM;

   Abstract : Ordinary digital receivers use analog mixers and conventional analog-to-digital converters. Thisthesis explores the possibility to build a receiver using an Intel Stratix 10 TX FPGA to sample asignal directly at its RF frequency. READ MORE

6. 5. 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