Digital signal processing

 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

 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

 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