Procesado de señal digital

Digital signal processing

Bullet Description

Ceit has a large experience in the design of digital signal processing systems applied to wireless communications. Our approach covers conceptual system design, simulation, performance estimation, hardware-software partitioning and implementation.

Digital Signal Processing Algorithms

  • Single carrier modulation/demodulation techniques

  • OFDM modulation/demodulation techniques

  • Frequency and time synchronization algorithms

  • Equalization techniques

  • Indoor localization techniques:beam forming, ranging algorithms and positioning algorithms.

  • Data fusion algorithms

  • Adaptive filtering for echo and noise cancellation

Bullet System Level Design Methodologies for Digital Baseband Development

  • Electronic System Level (NSE)

    • Matlab / Simulink

    • SystemC

    • System Generator (Matlab + Xilinx)

  • IP Development of Building Blocks for Digital Base Bands (see Intellectual Property (IP) digital cores)

    • FFT / IFFT

    • FIR filters

    • Viterbi decoder

    • CORDIC 

    • Cubic interpolator

Bullet Implementation of Communication Systems

  • PCB design

    • Ultra Broadband Impulse based Radio Transmitter (IR-UWB).

  • Communication systems based on FPGA / ASIC 

    • E-band transceiver for high-speed access return network data (10 Gbps) applications 

    • RFID sensors and measurement

    • Digital Baseband Transceiver for UWB using Octagon Band Frequency Division Multiplexing or MB-OFDM

    • Digital Baseband Transceiver for WLAN 802.11a

    • Digital baseband transmitter for digital video broadcast (DVB-T and DVB-T2)

    • Digital Satellite Radio Receiver for Digital Radio Mondiale or DRM

    • Echo cancellation in Fillers for DVB-T

  • Microprocessor based communication system

    • Echo Cancellation in Audio Systems (Analog DSP Devices)

    • Low Power Digital Baseband Transceiver for Remotely Operated Cranes (MSP430 / ARM)

    • Data Diffusion Techniques for Operation within a Wireless Sensor Network (ARM / FPGA