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Communications System Toolbox

Latest Releases

R2015b (Version 6.1) - 3 Sep 2015

Version 6.1, part of Release 2015b, includes the following enhancements:

  • cdma2000 and 1xEV-DO Waveform Generators: Model the physical layer of North American CDMA standards and provide reference channels and waveforms
  • Coarse Frequency Compensator: Correct carrier frequency offsets in PAM, PSK, and QAM signals
  • Polynomial Strings: Specify Galois field polynomials as strings for error correction coding and sequence generation

See the Release Notes for details.

R2015a (Version 6.0) - 5 Mar 2015

Version 6.0, part of Release 2015a, includes the following enhancements:

  • Symbol Timing Synchronizer: Correct for symbol timing clock skew between a transmitter and receiver
  • Carrier Synchronizer: Synchronize phase and frequency on a received waveform
  • Baseband and Broadcast FM: Modulate and demodulate baseband and broadcast FM signals
  • Interactive QAM Example: Simulate an end-to-end QAM link with RF impairments and corrections
  • Communications System Toolbox Simulink Model Template: Automatically configure the Simulink environment for communications modeling

See the Release Notes for details.

R2014b (Version 5.7) - 2 Oct 2014

Version 5.7, part of Release 2014b, includes the following enhancements:

  • I/Q Imbalance Compensator System object and block that remove I/Q amplitude and phase imbalance
  • Eye Diagram block that plots eye diagrams faster than its predecessor
  • Channel visualization for plotting impulse response, frequency response, and Doppler spectrum added to the Rayleigh, Rician, and MIMO Channel System objects
  • Sum-of-sinusoids modeling technique added to the Rayleigh, Rician, and MIMO Channel System objects
  • Trajectory diagram visualization added to the Constellation Diagram block and System object

See the Release Notes for details.

R2014a (Version 5.6) - 6 Mar 2014

Version 5.6, part of Release 2014a, includes the following enhancements:

  • OFDM modulator and demodulator System objects and blocks
  • DC blocker System object and block
  • Direct and nondirect modes for HDL-optimized CRC generator and detector
  • Additional featured examples such as 802.11 OFDM synchronization and HDL Optimized QAM Transmitter and Receiver

See the Release Notes for details.

R2013b (Version 5.5) - 5 Sep 2013

Version 5.5, part of Release 2013b, includes the following enhancements:

  • Simulink blocks for MIMO channel, sphere decoder, and constellation diagram
  • Code generation for all MIMO channel Doppler spectra
  • Open-loop PSK and QAM carrier synchronizers in MATLAB
  • HDL-Optimized QPSK Receiver with Captured Data

See the Release Notes for details.