Essays about: "ofdm modulator"

Found 2 essays containing the words ofdm modulator.

1. 1. An FPGA implementation of a modulator for digital terrestrial television according to the DTMB standard

   University essay from Institutionen för systemteknik

   Author : Sebastian Abrahamsson; Markus Råbe; [2010]
   Keywords : DTMB; DTTB; DMB-T; FPGA; VHDL; OFDM; signal processing; ECC; IDFT; LDPC; BCH; convolutional; frequency interleaving; raised cosine; filter;

   Abstract : The increasing data rates in digital television networks increase the demands on data capacity of the current transmission channels. Through new standards, the capacity of exisiting channels is increased with new methods of error correction coding and modulation. READ MORE

3. 2. DAB Transmission System Simulation

   University essay from Institutionen för systemteknik

   Author : Héctor Uhalte Bilbao; [2004]
   Keywords : Electronics; DAB; Terrestrial digital broadcasting; OFDM; COFDM; IFFT; FFT; SFN; Simulink^{TM< sup>}; Differential modulator.; Elektronik;

   Abstract : DAB (Digital Audio Broadcasting) is the radio digital system developed as an european standard by the ETSI, EN 300 400, based on the Eureka-147 group works, to improve the performance of the analogue radio systems (AM and FM). The system is based on the OFDM technology which allows DAB to exploit the spectrum frequencies in a better way with a higher quality of sound for mobile receivers specially. READ MORE