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What will it take to make India a Telecom technology Leader
Higher Education dilemma
e-Government article Making
the Telecom and IT Revolution Work for Us Enhancing
throughput of existing Railway Network Towards
100 million telephones and 25 million Internet connections in India
"Broadband to Empower Rural India", Can
Telecom and IT be for the disadvantaged? Web Services for Rural India
Linux/Open Source Drivers Wireless
in Local Loop - Some Fundamentals
Closed loop transmit diversity schemes for five and six transmit antennas, To appear in IEEE Signal Processing Letters, February 2005.
Improving Channel Estimation in OFDM Systems for Sparse Multipath Channels, IEEE Signal Processing Letters, vol . 12, no. 1, January 2005.
Usefulness of Multipath Diversity in Transmitter Diversity OFDM Systems with Spatially Correlated Channels, To appear in the Proceedings of the IEEE International Conference on Communications (ICC), Seoul, 2005.
Transmit diversity schemes for channel Orthogonalization using low bit rate feedback, To appear in Proceedings of IEEE Wireless Communications and Networking Conference (WCNC'05), New Orleans, LA USA, March 2005.
Combined Subcarrier and Power Allocation for Multiuser OFDM, To appear in the Proceedings of the National Communications Conference (NCC 2005), January 2005.
On OFDM Systems With Spatially Correlated Antennas in Low Multipath Diversity Situations, IEEE Signal Processing Letters, vol. 11, no. 12, December 2004.
Usefulness of multipath diversity in multiple antenna OFDM system, IETE Technical Review, Special Issue on Broadband Wireless Technologies, vol. 21, no. 5, pp. 317-324, September - October 2004.
DSP Algorithms for Satellite Transmultiplexer and Receiver, IETE Journal of Research, Vol. 50, No. 5, September - October 2004.
Pre-processed space-time trellis codes with one-bit feedback, Accepted for publication in IEEE Communication Letters.
Open-loop and closed-loop transmit diversity techniques - Overview and new results, Accepted for publication in IETE Technical Review.
Performance of transmit diversity scheme with quantized phase-only feedback, in Proceedings of IEEE Signal Processing and Communications Conference (SPCOM'04), Bangalore, December 2004.
Robust timing and frequency synchronization algorithm for IEEE 802.16 OFDM systems, in Proceedings of the Signal Processing and Communications Conference (SPCOM,2004), IISc, Bangalore, December 2004.
Quantised Decision based Gradient Descent Algorithm for fast fading OFDM channels, in Proceedings of the IEEE Vehicular Technology Conference, Los Angeles, USA, September 2004.
Iterative Error Weighted Frequency Domain Tracking for Mobile OFDM, in Proceedings of the 9th International OFDM-Workshop 2004, Dresden, Germany, September 2004.
Fast Multipath Delay Estimation in OFDM Systems Using Frequency Swept Pilots, in Proceedings of the 9th International OFDM-Workshop, Dresden, Germany, pp. 237-240, September 2004.
An efficient algorithm for joint carrier frequency offset and channel estimation in IEEE 802.16 OFDM systems, in Proceedings of the International Symp. on wireless communication systems,(IEEE ISWCS'04), Mauritius, September 2004.
Improving Channel Estimation in OFDM Systems for Sparse Multipath Channels, in Proceedings of the IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC'04), Portugal, July 2004.
Spectrally Weighted Frequency Domain Equalizer for Mobile OFDM,
in Proceedings of the IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC'04), Portugal, July 2004.
New space-time block codes with full rate,
in Proceedings of National Conference on Communications (NCC 2004), pp. 229-233, Bangalore, January 2004.
Least Squares stabilisation using SVD for OFDM equaliser in large delay spread channels, in Proceedings of the National Conference on Communications NCC-2004, Bangalore, January 2004.
EKF algorithm for joint carrier and sampling offset tracking in OFDM WLAN systems,
in Proceedings of the National Conference on Communications (NCC 2004), Bangalore, India, January 2004.
Frequency Domain Variable Step-Size LMS Algorithm for Fast Fading OFDM Channels,
in Proceedings of the National Conference on Communication (NCC 2004), pp. 10-14, Bangalore, India January 2004.
Capacity Calculation of Wireless Local loop with Dynamic Channel Selection, IETE Journal of Research, Vol. 49, No. 6, pp 411-422, November - December 2003.
Introducing space sampling for OFDM systems with multipath diversity, in Proceedings of the IEEE Symposium on Signal Processing and Information Technology-2003, Darmastadt, Germany, December 2003.
Low complexity transmit diversity scheme with phase-only feedback, in Proceedings of 2003 Wireless World Research Forum, WWRF#10 Meeting, New York, October 2003.
Exploiting Time Diversity in Spatially Correlated Channels for OFDM Systems , in Proceedings of the IEEE Workshop on Signal Processing Advances in Wireless Communications SPAWC-2003, Rome, Italy, June 2003.
Improved Channel Estimation for OFDM Based WLAN Systems, in Proceedings of the International Conference on Wireless Communications Networks ICWCN-2003, Chennai, India, June 2003.
Exploiting Multipath Induced Diversity in OFDM Systems,
in Proceedings of the National Communciations Conference NCC-2003, Chennai, India, January 2003.
IITM-ISRO Satellite Based Hybrid Internet Access System, NCC 2003, Chennai, India, January 2003.
Distance-optimized space-time trellis codes, in Proceedings of 2002 IEEE International Conference on Personal Wireless Communications (ICPWC-2002), New Delhi, pp. 56--60, December 2002.
Pre-processed space-time trellis codes, in Proceedings of 2002 IEEE Information Theory Workshop (ITW-2002), Bangalore, page 216, October 2002. Low-Complexity Channel Estimation for Transmitter Diversity OFDM Systems, in Proceedings of the National Communciations Conference NCC-2002, Mumbai, India, January 2002. Network management and protocols Distributed
NMS for affordable communications An
Effecient Algorithm for Root Cause Analysis Network Security Management
for a National ISP Optimized Learning in Metro Switches (Under Construction) (Under Construction) Fine Granular Scalability for video streaming, in the Proceedings of the National Conference on Communications (NCC), Mumbai, India, 2002.
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