Newsletters - MATLAB News & Notes
Third-Party Products
DSP and wireless communications products
Mango EDS. The Mango EDS is a high-level software development environment designed to simplify the code-development process for DSP-based systems. With MATLAB as the front end, the user can develop and debug DSP software employing MATLAB user-friendly GUI and algorithm environments. Using MATLAB instructions to directly control the target machine makes manual translation to DSP code unnecessary, significantly reducing development time and costs. The Mango libraries and functions extend MATLAB capabilities to achieve parallel computing. Mango extensions include synchronizing DSP communication, board interfacing, data transfer, and task assignment. Data coming from the DSPs can return as MATLAB variables and be further processed or displayed using a MATLAB GUI. The Mango EDS currently supports the ADSP-2106x from ADI as well as C6x DSPs from TI.
Mango Computers Ltd., Tel: 972-2-532-8706
Turbo Code and Viterbi Decoders. The Communi-cations Research Centre offers a package of ultra-fast FEC (forward error-correction) codecs that includes both a family of very high-speed rate-1/2 Viterbi decoders (constraint lengths 7 through 17), and an ultra-fast 16-state Turbo-code decoder. The encoders and decoders are implemented as MEX-files and can be called from within MATLAB just like regular M-files. The package also includes example simulation scripts showing how to use the MEX-files, and additional M-files for data extraction and plotting. These software-only products require a PC with a Pentium II processor or higher. A 400 MHz processor provides throughput rates greater than 1 Mbps for the contraint length k=7 Viterbi decoder and above 400 kbps for the Turbo decoder with four full decoding iterations.
Communications Research Centre, Tel: 613-998-2321
SignalMaster. The SignalMaster combines programmable DSP and reprogrammable hard-wired FPGA technologies with various real-time I/O interfaces to offer a flexible, open architecture for emulating DSP-based systems. It can be used as a development platform for prototyping under host computer control and can also operate as an independent prototype. When teamed with high-level design tools such as MATLAB®, Simulink®, Stateflow®, and Real-Time Workshop®, the SignalMaster allows you to quickly implement and validate DSP algorithms on a real-time platform. All platforms can see their processing power or interfacing capabilities enhanced with the use of add-on I/O and multiprocessor modules such as LSP's QuadMaster and ADCMaster. LYR
Signal Processing (A division of Technologies Lyre, Inc.), Tel: 418-877-4644, Web: www.lyrtech.com
SIRCIM and SMRCIM Plus 4.0. Both SIRCIM and SMRCIM Plus 4.0 are interactive wireless communications programs that simulate complex wideband impulse responses and/or narrowband (flat fading) signal strengths. Designed to study or create channel responses and statistical coverage models, these programs generate output that may be used as channel models to study path loss, delay spread, angle of arrival, fading, and bit error rates for modem design. MATLAB serves as a post-processor of data generated by external programs and as a GUI. The powerful graphing and M-file scripting capabilities of MATLAB let users customize their own M-files to use the data in other simulations or to present the data in their own custom way.
Wireless Valley Communications, Inc., Tel: 540-552-8300, Web: www.wvcomm.com
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