ISR ALGORITHMS

Wireless Communications - SDR and MIMO Systems

Toyon develops software defined radio (SDR) platforms for both research as well as eventual integration into fielded systems. Examples of recent development efforts are highlighted below.

Commodity SDR

Developed on a NASA SBIR effort, Toyon's EXP-based SDR currently supports a contention-based packetized 500kbps waveform. Can support arbitrary waveforms with these specifications:

  • Carrier frequency in the 900 MHz to 1200 MHz bands
  • Direct-conversion IQ translation with 4 MHz of instantaneous bandwidth
  • 12-bit ADC and 10-bit DAC

MIMO SDR

Toyon's multiple-input, multiple-output (MIMO) testbed supports a variety of waveforms including those based on Orthogonal Space-Time Block Codes (OSTBCs) as well as spatial multiplexing.

  • Up to four Tx/Rx antennas coherent in phase and frequency
  • Operates in the 915 MHz ISM bands
  • 12-bit ADC and 10-bit DAC

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