Technology

Wireless Internet

The talent at Fremont Systems is experienced in all technical aspects of UMTS (Universal Mobile Telecommunications System) such as the following:   

  •   QPSK/FSK/GMSK Transmission Techniques
  •   RAKE Reception Techniques
  •   TDMA/FDMA/CDMA and Soft Handover Multiple Access Techniques
  •   Satellite Communication Echo Cancellers/Adaptive Equalization Techniques
  •   Terrestrial, Wireless and Satellite Transmissions Cellular Technology
  •   Voice Communication LPC, CELP Vocoding
  •   MPEG4 Source Coding for Realtime Digitized Audio and Video Streams

Digital communications is the electronic transmission of encoded information and data from one point to another. We are highly experienced in the design of the wide applicability encoding circuits (alternate mark inversion AMI, RZ, NRZ and Manchester), decoding, modulation, demodulation (FSK, PSK, ASK), Clock recovery and issues of Broadband and Baseband Transmission, as well as Error Correction Protocols.

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