The MathWorks has released Communications Blockset 4, extending Simulink with a comprehensive library of blocks for designing, simulating, and verifying the physical layer of communication systems.
 
The latest version provides enhanced support for code generation and examples of important features of WiMAX and Long Term Evolution (LTE) communications systems. The code generation capability enables faster simulation on multicore computers, and the expanded modeling library lets wireless and communications engineers simulate next-generation wireless systems that use higher bandwidth and more complicated signal processing technologies. 

Communications Blockset 4 offers expanded fixed-point support implemented for library blocks useful for engineers developing 3G and 4G wireless communications systems. Also, a new multiple-input and multiple-output/orthogonal frequency-division multiplexing (MIMO/OFDM) demo highlights the use of Embedded MATLAB functions for implementing space-time block codes.

MIMO, OFDM, and space-time block codes are being used in the development of WiMAX broadband wireless systems scheduled for widespread marketplace introduction in 2009. Communications Blockset is also being used by aerospace and defense engineers to develop next-generation radars and electronic warfare systems.   Key Features of Communications Blockset 4·

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