Publications
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Journals
Submitted
Accepted
Bama Muthuramalingam, S. Bhashyam, A. Thangaraj, "A Decode and Forward Protocol for Two-stage Gaussian Relay Networks," IEEE Transactions on Communications, col. 60, no. 1, pp. 68-73, January 2012.
2011
A. K. Chorppath, S. Bhashyam, R. Sundaresan, "A convex optimization framework for almost budget balanced allocation of a divisible good," IEEE Transactions on Automation Science and Engineering, vol.8, no.3, pp.520-531, July 2011.
2009
T. R. Ramya, S. Bhashyam, "Using delayed feedback for antenna selection in MIMO systems," IEEE Transactions on Wireless Communications, vol. 8, no. 12, pp. 6059-6067, December 2009.
C. Manikandan, S. Bhashyam, R. Sundaresan, "Cross-layer scheduling with infrequent channel and queue measurements," IEEE Transactions on Wireless Communications, vol. 8, no. 12, pp. 5737-5742, December 2009.
M. R. Raghavendra, S. Bhashyam, K. Giridhar, "Interference Rejection for Reuse-1 Cellular OFDM Systems using Parametric Channel Estimation," IEEE Transactions on Vehicular Technology, vol. 58, no. 8, pp. 4342-4352, October 2009.
K. V. Srinivas, R. D. Koilpillai, S. Bhashyam, K. Giridhar,
"Co-ordinate Interleaved Spatial Multiplexing with Channel State
Information," IEEE Transactions on Wireless
Communications, vol.8, no.6, pp. 2755-2762, June 2009.
V. S. Annapureddy, D. V. Marathe, T. R. Ramya, S. Bhashyam, "Outage Probability of Multiple-Input Single-Output (MISO) Systems with Delayed Feedback," IEEE Transactions on Communications, vol. 57, no. 2, pp. 319-326, Feb 2009.
2007
M. R. Raghavendra, E. Lior, S. Bhashyam, K. Giridhar, "Parametric Channel Estimation for Pseudo-Random
Tile-Allocation in Uplink OFDMA," IEEE Transactions on Signal Processing, vol. 55, no. 11, pp. 5370-5381, November 2007.
C. Mohanram, S. Bhashyam, "Joint Subcarrier and Power Allocation in
Channel-Aware Queue-Aware Scheduling for Multiuser OFDM," IEEE Transactions on Wireless Communications, vol. 6, no. 9, pp. 3208-3213, September 2007.
2005
C. Mohanram, S. Bhashyam,
"A Sub-optimal Joint Subcarrier and
Power Allocation Algorithm for Multiuser OFDM," IEEE
Communications Letters, vol. 9, no. 8, pp. 685-687, August 2005.
M. R. Raghavendra, S. Bhashyam,
K. Giridhar, "Exploiting Hopping Pilots for Parametric Channel
Estimation in OFDM Systems", IEEE
Signal Processing Letters, vol. 12, no. 11, pp. 737-740, November 2005.
2002
S.
Bhashyam, B.
Aazhang , "Multiuser
Channel Estimation and Tracking for Long Code CDMA Systems",
IEEE Transactions on Communications, vol. 50, no. 7, pp. 1081-1090,
July 2002.
S. Rajagopal,
S. Bhashyam,
J. R. Cavallaro, B. Aazhang ,
"Real-Time
Algorithms and Architectures for Multiuser Channel Estimation and
Detection in Wireless Base-Station Receivers", IEEE
Transactions on Wireless Communications, vol. 1, no. 3, pp. 468-479,
July 2002.
S. Rajagopal,
S. Bhashyam,
J. R. Cavallaro,
B. Aazhang ,
"Efficient
VLSI Architectures for Multiuser Channel Estimation in Wireless
Base-Station Receivers", The Journal of VLSI Signal Processing
- Systems for Signal, Image and Video Technology, vol. 31, issue 2,
pp. 143-156, June 2002.
S.
Bhashyam, A.
Sabharwal, B.
Aazhang , "Feedback
Gain in Multiple Antenna Systems", IEEE Transactions on
Communications, vol. 50, no. 5, pp. 785-798, May 2002.
2000
S.
Bhashyam, A.
M. Sayeed , B.
Aazhang ,
"Time-Selective Signaling and Reception for Communication over
Multipath Fading Channels", IEEE Transactions on
Communications, vol. 48, no. 1, pp. 83-94, Jan 2000.
Arxiv
M. Bama, S. Bhashyam, A. Thangaraj, Multistage Relaying Using Interference Networks Jan. 2010.
Conferences
2012
M. Sridhar, S. Bhashyam, "On the Sum Rate of a 2 x 2 Interference Network," To appear in Proceedings of ICC 2012, Ottawa, Canada, June 2012.
B. Saradka, S. Bhashyam, A. Thangaraj, "A Dirty Paper Coding Scheme for the Multiple Input Multiple Output Broadcast Channel," To appear in Proceedings of NCC 2012, IIT Kharagpur, India, Feb 2012.
M. K. Jataprolu, R. D. Koilpillai, S. Bhashyam, "Optimal MTM Spectral Estimation Based Detection for Cognitive Radio in HDTV," To appear in Proceedings of NCC 2012, IIT Kharagpur, India, Feb 2012.
2011
Bama Muthuramalingam, S. Bhashyam, A. Thangaraj, "Processing Interference at the Physical Layer to
Enhance Information Flow in Wireless Networks," Invited Paper, Proceedings of IEEE COMSNETS 2011, Bangalore, India, Jan 2011.
2010
K. Shanmugam, S. Bhashyam, "Rate Gap Analysis for Rate-adaptive Antenna Selection and Beamforming Schemes,", Proceedings of IEEE GLOBECOM 2010, Miami, FL, USA, December 2010.
Bama Muthuramalingam, S. Bhashyam, A. Thangaraj, "Multistage Relaying Using Interference Networks," SPCOM 2010, Invited paper, July 2010.
S. Gadiraju, A. Thangaraj, S. Bhashyam, Dirty Paper Coding using Sign-bit Shaping and LDPC Codes, Proceedings of ISIT 2010, pp. 923-927, Austin, Texas, USA, June 13-18 2010.
T. R. Ramya, S. Bhashyam, "Rate Adaptation in MIMO Antenna
Selection System with Imperfect CSIT," Proceedings of
WISARD 2010 (part of IEEE COMSNETS 2010), Bangalore, India, January
2010.
2009
A. K. Chorppath, S. Bhashyam, R. Sundaresan, "Almost Budget-balanced Mechanisms for Allocation of Divisible Resources," Proceedings of the 47th Annual Allerton Conference on Communication, Control, and Computing, Monticello, Illinois, USA, pp. 1120-1124, Oct-Nov. 2009.
M. Bama, S. Bhashyam, A. Thangaraj, "Receiver-Selection Scheduling in Wireless Networks," Proceedings of WPMC 2009, Sendai, Japan.
T. R. Ramya, S. Bhashyam, "Eigenbeamforming with
Delayed Feedback and Channel Prediction," Proceedings
of IEEE ISIT 2009, Seoul, Korea, pp. 403-407, June-July 2009.
M. Bama, S. Bhashyam, A. Thangaraj, Throughput of wireless
relay networks with interference processing, Proceedings of the
National Conference on Communications (NCC), Guwahati, India, January
2009.
C. Manikandan, S. Bhashyam, R. Sundaresan, Resource
allocation under channel uncertainty, Proceedings of the National
Conference on Communications (NCC), Guwahati, India, January 2009.
M. K. Dileep, A. Iyengar, A. Thangaraj, S. Bhashyam, Low
Density Parity Check codes in OFDM systems, Proceedings of the
National Conference on Communications (NCC), Guwahati, India, January
2009.
2008
V. Aggarwal, G. Krishna, S. Bhashyam, A. Sabharwal, "Two Models for Noisy Feedback in MIMO Channels," Proceedings of the 42nd Asilomar Conference on Signals, Systems, and Computers, pp. 718-722, 26-29 Oct. 2008. (Invited Paper)
G. Krishna, K. V. Srinivas, S. Bhashyam, R. D. Koilpillai, "Signal Space Diversity for Spatial Multiplexing," Proceedings of IEEE PIMRC 2008, Cannes, France, pp.1-5, 15-18 Sept. 2008.
M. R. Ramesh Kumar, S. Bhashyam, D. Jalihal, "Downlink
Performance of 2-Cell Cooperation Schemes in a Multi-Cell
Environment," Proceedings of WPMC 2008, Lapland, Finland, September 2008.
G. Krishna, S. Bhashyam, A. Sabharwal, "Decentralized Power Control with
Two-way Training for Multiple Access," Proceedings of IEEE
ISIT 2008, Toronto, Canada, pp. 609-613, July 2008.
G. Sridharan, A. Kumarasubramanian, A. Thangaraj, S. Bhashyam, "Optimizing Burst Erasure
Correction of LDPC Codes by Interleaving," Proceedings of IEEE
ISIT 2008, Toronto, Canada, pp. 1143 - 1147, July 2008.
M. R. Ramesh Kumar, S. Bhashyam,
D. Jalihal, "Throughput Improvement
for Cell-Edge Users Using Selective Cooperation in Cellular
Networks," Proceedings of the Fifth International Conference
on Wireless and Optical Communications Networks, Surabaya, Indonesia,
May 2008.
T. R. Ramya, S. Bhashyam, "Performance of Transmit Antenna
Selection with Maximal Ratio Combining in the Presence of Delayed
Feedback," Proceedings of the National Conference on
Communications (NCC), Mumbai, India, February 2008.
M. Bama, S. Bhashyam, A. Thangaraj, "Capacity of Network-Coded Wireless
Multicast using Node-Based Scheduling", Proceedings of the
National Conference on Communications (NCC), Mumbai, India, February
2008.
A. Iyengar, M. K. Dileep, S. Bhashyam, A. Thangaraj,
"Thresholds for LDPC codes over OFDM", Proceedings of IEEE COMSWARE
2008, Workshop on WIreless Systems: Advanced Research and Development
(WISARD 2008), Bangalore, India, January 2008.
M. Bama, S. Bhashyam, A. Thangaraj,
"Node-Based Scheduling for Network-Coded Wireless Networks",
Proceedings of IEEE COMSWARE 2008, Workshop on WIreless Systems:
Advanced Research and Development (WISARD 2008), Bangalore, India,
January 2008. (Poster)
2007
C. Manikandan, S. Bhashyam, "Resource Allocation in CDMA Packet
Systems with Maximum Rate Constraint", Proceedings of WPMC
2007, Jaipur, India, pp. 261-264, December 2007.
T. R. Ramya, S. Bhashyam,
"Throughput Analysis of Multiple Input Single Output Beamforming
Systems with Delayed Feedback," Proceedings of WWRF19,
Chennai, India, November 2007.
M. R. Raghavendra, S. Bhashyam,
K. Giridhar, "Subspace Based Channel
Estimation with Multiple Receivers in Reuse-1 OFDMA Systems - Impact
on Diversity Combining and Nulling," Proceedings of IEEE 8th
Workshop on Signal Processing Advances in Wireless Communications,
Helsinki, Finland, pp. 1-5, June 2007.
M. R. Raghavendra, S. Bhashyam,
K. Giridhar, "Parametric Channel Estimation in Reuse-1 OFDM Systems," Proceedings of ICC 2007, Glasgow, Scotland, pp. 2999-3004, June 2007.
T. R. Ramya, S. Bhashyam, "On Using Channel Prediction In Adaptive
Beamforming Systems," Proceedings of IEEE COMSWARE 2007, Workshop
on WIreless Systems: Advanced Research and Development (WISARD 2007),
Bangalore, India, January 2007.
S. Vangipuram, S. Bhashyam, "Multiuser Scheduling and Power Sharing
for CDMA Packet Data Systems," Proceedings of the National
Conference on Communications (NCC), Kanpur, India, January 2007.
A. P. Dileep, S. Bhashyam, "Rate and Power Adaptation in OFDM with
Quantized Feedback," Proceedings of the National Conference on
Communications (NCC), Kanpur, India, January 2007.
2006
V. S. Annapureddy, S. Bhashyam, "Spatial and Temporal Power
Allocation for MISO Systems with Delayed Feedback," Proceedings of the 40th Asilomar Conference on Signals, Systems
and Computers, pp. 809-813, Oct-Nov 2006.
A. Gopalan, S. Bhashyam, "A Multiple Lattice Reduction based
Detector for Space Time Block Codes based on Cyclotomic Extensions,"
Proceedings of the Allerton Conference on
Communication, Control, and Computing, Monticello, IL, Sep. 2006.
E. Lior, M. R. Raghavendra, S. Bhashyam, R. Bercovich,
K. Giridhar, "Parametric Channel Estimation for Pseudo-Random
User-Allocation in Uplink OFDMA," Proceedings of ICC 2006, Istanbul, Turkey, June 2006.
A. P. Dileep, S. Bhashyam,
"Subband Level Adaptation for Bit-Interleaved Coded OFDM (BIC-OFDM),"
Proceedings of the National Conference on
Communications (NCC), Delhi, India, January 2006.
2005
D. V. Marathe, S. Bhashyam, "Power Control for Multi-Antenna Gaussian Channels with Delayed Feedback," Proceedings of the 39th Asilomar Conference on Signals, Systems and Computers, pp. 1598-1602, Oct-Nov 2005.
P. Parag, S. Bhashyam,
R. Aravind, "A Subcarrier
Allocation Algorithm for OFDMA Using Buffer and Channel State
Information," Proceedings of the IEEE Vehicular Technology
Conference, Dallas, Texas, USA, vol. 1, pp. 622-625, September 2005.
C. Mohanram, S. Bhashyam,
"Combined Subcarrier and Power Allocation in Multiuser OFDM,"
Proceedings of the National Conference on
Communications (NCC), Kharagpur, India, January 2005.
2004
M. R. Raghavendra, S. Bhashyam,
K. Giridhar, "Fast Multipath Delay Estimation in OFDM Systems using
Frequency Swept Pilots", Proceedings of the Ninth International
OFDM Workshop, Dresden, Germany, pp. 237-240, September 2004.
M. R. Raghavendra, S. Bhashyam,
K. Giridhar, "Improving Channel
Estimation in OFDM Systems for Sparse Multipath Channels,"
Proceedings of the Fifth IEEE Workshop on Signal Processing Advances
in Wireless Communications, Lisbon, Portugal, pp. 106-109, July 2004.
2000
S.
Bhashyam, A.
Sabharwal, U. Mitra, "Channel
Estimation for Multirate DS-CDMA Systems, Invited Paper,
Proceedings Asilomar Conference on Signals, Systems, and Computers,
October 2000.
S. Bhashyam, B.
Aazhang , "Multiuser
Channel Estimation for Long Code CDMA Systems", Proceedings
IEEE Wireless Communications and Networking Conference (WCNC),
Chicago, IL, September 2000.
S. Rajagopal,
S. Bhashyam,
J. R. Cavallaro,
B. Aazhang ,
"Efficient VLSI Architectures for Baseband Signal
Processing for Wireless Base-Station Receivers", Proceedings
IEEE International Conference Application-specific Systems,
Architectures and Processors (ASAP), Boston, MA, pp. 173-184, July 2000.
T. Dorney, S. Bhashyam,
A. Doran, H.
Choi, P. Flandrin, R. G. Baraniuk, "Edge Localized Image Sharpening via Reassignment
with Application to Computed Tomography", Mathematical Modeling,
Estimation, and Imaging, part of the International Symposium on
Optical Science and Technology (SPIE 45th Annual Meeting), July 30 -
August 4, 2000.
S.
Bhashyam, A. Hottinen, "Performance
of Iterative Multiuser Decoding and Channel Estimation in WCDMA
Systems", Proceedings IEEE Vehicular Technology Conference
(VTC), Tokyo, Vol. 1, pp. 425-429, May 2000 (Spring).
1999
S. Das, S. Bhashyam, J. R. Cavallaro, B. Aazhang , "Partially Blind
Multiuser Detection", Invited Paper, Proceedings of 1999 Conference on
Information Sciences and Systems (CISS '99), pp. 650-655, March 1999.
1998
S.
Bhashyam, A.
M. Sayeed , B.
Aazhang , "Time-Selective
Signaling and Reception for Multipath Fading Channels",
Proceedings of 1998 IEEE International Symposium on Information Theory
(ISIT '98) , p. 157, August 1998.
Thesis
Srikrishna Bhashyam,
"Time-Selective
Signaling and Reception for Communication over Multipath Fading Channels",
M. S. Thesis, Rice University, April,
1998.
Abstract
Srikrishna Bhashyam,
"Signal and Information Processing for Wireless Communication
Systems", Ph. D. Thesis, Rice University, April,
2001.
Abstract