Communications System Toolbox

New Features

R2014b (Version 5.7)

Released: 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.

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Previous Releases

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.

R2013a (Version 5.4) - 7 Mar 2013

Version 5.4, part of Release 2013a, includes the following enhancements:

  • Sphere Decoder System object for MIMO receiver processing
  • Constellation Diagram System object with measurements
  • LTE space-frequency block coding and LTE GPU-accelerated turbo coding examples
  • HDL code generation support for CRC Generator, CRC Detector, RS Encoder, and RS Decoder System objects
  • Variable-size support for AWGN, MIMO, and LTE MIMO Channel System objects

See the Release Notes for details.

R2012b (Version 5.3) - 11 Sep 2012

Version 5.3, part of Release 2012b, includes the following enhancements:

  • Support for C code generation for all System objects in Communications Systems Toolbox
  • Support for HDL code generation for Reed-Solomon encoder, decoder, and CRC detector blocks
  • Support for HDL code generation for Rectangular QAM and PSK Demodulator System objects
  • LTE Zadoff-Chu sequence generator function
  • LTE downlink shared channel example
  • Phase Noise block and System object, specifying phase noise spectrum with a vector of frequencies

See the Release Notes for details.