Communications Blockset 4.1

Latest Features

Version 4.1

Released: 09 Oct 2008
 

Version 4.1, part of Release 2008b, includes the following enhancements:

• Fixed-point and integer word size limit extended from 32 to 128 bits for Embedded MATLAB code, accelerated simulation modes, and automatic code generation
• Support for six new Doppler spectrum shapes in Multipath Rayleigh Fading Channel and Multipath Rician Fading Channel blocks
• Enhanced Multipath Rician Fading Channel block, enabling specification of Rician attributes for each path in the channel
• Enhanced Convolutional Encoder Block with two new parameters that specify the output and input state of the block
• New data type support table available from the model Help menu

See the Release Notes for details.

Update Now

• Download the latest version if your software maintenance service is current.
• Purchase or request a renewal quote if your maintenance service has lapsed.
• Try the latest version by downloading or requesting trial software.

---

Version 4.0

Released: 01 Mar 2008
 

Version 4.0, part of Release 2008a, includes the following enhancements:

• Fixed-Point data type support added to: Integrate and Dump, OQPSK Demodulator, General QAM Demodulator, and Gold Sequence Generator blocks
• New default Inherit via internal rule mode added to the Output data type parameter on many blocks in the Utility library
• Asynchronous signal support added for all blocks
• New parameters for specifying bit ordering and signed or unsigned integer formatting added to the Bit to Integer Converter and Integer to Bit Converter blocks
• New demos added for fixed-point equalization and passband modulation

See the Release Notes for details.

Version 3.6

Released: 01 Sep 2007
 

Version 3.6, part of Release 2007b, includes the following enhancements:

• Enhanced demodulators for BPSK, QPSK, and 8PSK blocks with fixed-point capabilities for hard-decision modes
• Enhanced Reed Solomon and BCH blocks with punctures and erasures
• New application-specific demos featuring WiMAX and DVB-C
• Enhanced PN Sequence Generator block with bit-packing options and smallest integer output data type mode
• Enhanced TCM Encoder block with options to terminate at the zero state

See the Release Notes for details.

Version 3.5

Released: 01 Mar 2007
 

Version 3.5, part of Release 2007a, includes the following enhancements:

• New LDPC Encoder and Decoder blocks
• Fixed-point capabilities added to the Rectangular QAM Demodulator block
• Bit-wise soft-decision outputs enabled for General QAM Demodulator block
• Various blocks enhanced to accept fixed-point data types
• BCH Encoder and Decoder blocks for user specification of primitive and generator polynomials
• New default output data-type settings added to AM and PM demodulator blocks
• New default output data-type option added to Viterbi Decoder block

See the Release Notes for details.

Version 3.4

Released: 01 Sep 2006
 
Version 3.4 part of Release 2006b, includes the following enhancements:

• Fixed-point capability added to the Viterbi Decoder, PAM Demodulator, PAM Modulator, PSK modulator, and Square QAM Modulator blocks
• Bitwise soft-decision outputs enabled for PSK and Rectangular QAM demodulator blocks
• New fixed-point MSK demo
• Faster BCH Encoder and Decoder blocks operate on shortened BCH codes

See the Release Notes for details.