TEXAS INSTRUMENTS DIGITAL SIGNAL PROCESSING LABORATORY ELECTRICAL ENGINEERNG IIT BOMBAY PROF. VIKRAM M. GADRE(vmgadre@ee. iitb. ac. in) AJIT S. DESHPANDE ASHUTOSH AGRAWAL N. BALCHANDER RAJESHWAR RAO SANDEEP KUMAR VAIBHAV SHAH AMBERISH TRIPATHI ANURAG JOHN PRAVESH BIYANI
Overview 1. Establishment of the Lab. 2. Various activities from 1996 to date. 3. Faculty associated with the Lab. 4. Projects completed & Current On-going 5. projects. 5. Industrial Interaction. 6. Future Perspective.
1. Establishment of the Lab Ø Started in June 1996 (Head of Dept. : Prof. A. N Chandorkar). Ø TI agreed to provide DSP specific hardware and software support Ø Support for laboratory infrastructure came from institute funds and other sponsored projects.
Aim Ø Teaching DSP on TMS processors together with theory course on DSP. Ø Major research and development effort using DSPs in current areas of Wireless Communications, Image Processing Networking, Embedded systems, Systems &Control. • Training programs for industries. • Taking up industrial, application specific projects. • Consultancy. Ø Platform for Industry – Institute Interactions
2. Development Activities Ø 1996 • Laboratory development. • Basic DSP experiments. • Mini – Projects. Ø 1997 • Complete set of basic experiments were executed. • Some students started on their major projects like MPEG-I Audio Encoder / Decoder etc. using TI DSPs. • Laboratory course, supplementing lectures were tried out on graduate and senior under-graduate students. • CEP course for industry on advanced topics in DSP.
Ø 1998 • Third prize at national level TI-DSP challenge contest won by a group of IITB students. • TI provided some personal computers. • TI supported course for faculty from VJTI was organized. • IEEE(Mumbai section)-DSP workshop. • TI supported CEP course on Wavelets for industry. • Compulsory DSP lab. Course introduced for 4 th year dual-degree students. • In house CEP course at Duettech Delhi (Noida) related to VLSI and DSP was organized (VMG, ANC, DKS). • CEP course on Wavelets for industry.
Ø On other occasions, courses for faculty/Employees of other institutes were organized. ØAlso every year students from other IITs/are invited for their summer project in DSP and related fields of communication. Ø If possible, we have also supported students from other nearby colleges for their final year projects. ØStudents from engineering colleges are invited to study DSP and carry out short term projects.
3. Faculty Associated with TI-DSP Lab: ØProf. Vikram Gadre • Digital signal Processing • Wireless Communications • Speech/Audio Processing, Image Processing • Wavelet Signal Processing Ø Prof. U. B. Desai • Image Processing. • Wireless Communications. Ø Prof. S. Chaudhari • Computer vision. • DSP & Image processing. Ø Prof. A Karandikar • University support grant from TI. • Networking.
Ø Prof. Preeti Rao • Speech Coding and Analysis • Audio Coding Ø Prof. P. C. Pandey • DSP • Speech Processing Ø Prof. S. K. Pillai, B. G. Fernandez, Vivek Agarwal, S. A. Soman and Mukul Chandorkar • DSP applications in power systems and power electronics. Ø Prof. A. N. Chandorkar, R. Lal. , and D. K Sharma • VLSI and DSP.
4. Completed Projects and Current On-going Projects: Ø Implementation of Turbo codes on TMS 6 x processor. ØRealization of OFDM system on a TMS 6 x processor. ØFast implementation of Modified DCT on a TMS 6 x processor. ØScalable coding in MPEG ØMPEG-4 structured audio. ØJoint Source Channel coding for Multimedia over Wireless Channel. Ø Discrete Wavelet Multitone Modulation as used in ADSL modem.
ØMPEG-4 and 3 -D Audio Standards. ØOFDM-CDMA • Various combination of OFDM & CDMA § Multicarrier CDMA § Muticarrier direct sequence CDMA § Multitone CDMA. • §Space time OFDM Implementation on TMS 320 C 6 X
ØCryptographic Algorithms for Ipsec on the ARM Core • Symmetric key algorithms : DES, AES • Public Key algorithm : RSA • Hashing Functions : MD 5 • Key Exchange : IKE Ø Modern Advanced DSP Techniques for • Multirate Systems. • Wavelet methods (filter bank). • Biomedical Engg.
ØScalable Source and Channel Coding Optimizing source/channel coding to maximize capacity and quality of transmission Ø Digital Watermarking – Compression Domain Techniques.
Ø Modern Advanced DSP Techniques for • Multirate Systems. • Wavelet methods (filter bank). • Biomedical Engg.
Ø DSP Lab. Projects: • • • Audio coding with serial interface. Modem with serial interface. Graphic equalizers. Digital Phase Locked Loop. Period estimation for speech. Digital modulation techniques like BPSK, QPSK on a DSP • FIR/IIR filter on a DSP. • Audio Sampling and Playback. • Adaptive filter using LMS to remove noise from audio system.
5. Industry Interaction • Training § Basics of DSP § Laboratory with TMS processors • Application specific projects to be undertaken.
Associated Industries: • Texas Instruments. • Silicon Automation Systems. • Bharat Electronics Limited (Central Research Laboratories). • Tata Info. Tech. • Patni Computer Systems. • Cradle Technologies. • PACE Soft Silicon • Cirrus Logic
6. Future Perspective • Inspire students and faculty to take innovative industry oriented projects in Digital Signal Processing and Communications. • Undertake industry projects in the fields of signal processing, communications. • Act as a active platform for Industry-Academia interaction.
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