Expertise

CommStack possesses world-class telecommunications expertise in:

  • Systems engineering
  • Analysis & simulation
  • Signal processing
  • Hardware & software development
  • Implementation of ICs, components, and complete telecommunications and wireless products

Experience

Past projects have included the design, analysis, simulation, or implementation of such systems as:

  • 802.11a/b/g
  • Bluetooth
  • DOCSIS
  • DVB
  • HomePlug
  • IS-95 CDMA
  • ISM-band spread spectrum systems
  • MMDS/LMDS
  • PSK
  • QAM
  • xDSL

Methodology

In the development of its IP cores, CommStack adheres to a rigorous iterative design process that typically involves the following steps: 

  • Requirements definition – clear understanding of the project objectives and development of the specifications
  • Analysis and simulation – mathematical modeling of key algorithms and the simulation of modules using such tools as MATLAB, C, Simulink, etc.
  • Development – initially targeted to PLDs or FPGAs to allow rapid validation (Altera products and Altera HDL have typically been preferred), with the result then converted to a Verilog netlist and its associated test vectors to support IP transfer
  • Validation – performance is measured against the specifications through simulation, test of the FPGA implementation, and/or integration and test with other components
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