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Publications

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Publications by year


Statistical Signal Processing: Hypothesis testing, Detection and Estimation, Machine learning for Communication

[J38] Sreeram C. Sreenivasan, Srikrishna Bhashyam, Nonparametric Sequential Clustering of Data Streams with Composite Distributions, Signal Processing, Volume 204, March 2023, doi: https://doi.org/10.1016/j.sigpro.2022.108827

[J37] U. K. Sreeshma Shiv, S. Bhashyam, C. R. Srivatsa and C. R. Murthy, "Learning-Based Sparse Recovery for Joint Activity Detection and Channel Estimation in Massive Random Access Systems," in IEEE Wireless Communications Letters, vol. 11, no. 11, pp. 2295-2299, Nov. 2022, doi: 10.1109/LWC.2022.3200123.

[C79] S. C. Sreenivasan, S. Bhashyam, Sequential Nonparametric K-Medoid Clustering of Data Streams,, 2022 National Conference on Communications (NCC), May 2022, pp. 112-117, doi: 10.1109/NCC55593.2022.9806794.

[J36] G. R. Prabhu, S. Bhashyam, A. Gopalan and R. Sundaresan, "Sequential Multi-Hypothesis Testing in Multi-Armed Bandit Problems: An Approach for Asymptotic Optimality," in IEEE Transactions on Information Theory, vol. 68, no. 7, pp. 4790-4817, July 2022, doi: 10.1109/TIT.2022.3159600.

[J35] Aditya Deshmukh, Venugopal V. Veeravalli & Srikrishna Bhashyam (2021) Sequential controlled sensing for composite multihypothesis testing, Sequential Analysis, 40:2, 259-289, DOI: 10.1080/07474946.2021.1912525

[J34] S. C. Sreenivasan and S. Bhashyam, "Sequential Nonparametric Detection of Anomalous Data Streams," in IEEE Signal Processing Letters, vol. 28, pp. 932-936, 2021.

[J30] A. Jain, P. Sarvepalli, S. Bhashyam and A. Pachai Kannu, Algorithms for Change Detection with Sparse Signals," IEEE Transactions on Signal Processing, vol. 68, pp. 1331-1345, 2020.

[C76] A. P. Sabulal, S. Bhashyam, "Joint Sparse Recovery using Deep Unfolding With Application to Massive Random Access," ICASSP 2020 - 2020 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Barcelona, Spain, 2020, pp. 5050-5054.

[C73] G. R. Prabhu, S. Bhashyam, A. Gopalan, R. Sundaresan, Learning to Detect an Anomalous Target with Observations from an Exponential Family, 2019 IEEE Data Science Workshop (DSW), Minneapolis, MN, USA, 2019, pp. 88-92.

A. Deshmukh, S. Bhashyam, V. V. Veeravalli, Controlled Sensing for Composite Multihypothesis Testing with Application to Anomaly Detection, Proceedings of the 52nd Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, USA, Oct 2018.

V. Singamasetty, N. Nair, S. Bhashyam, A. P. Kannu, Change detection with unknown post-change parameter using Kiefer-Wolfowitz method, Proceedings of ICASSP 2017, New Orleans, USA, March 2017.

P. Sarath Kumar, B. Sai Kiran, A. P. Kannu, S. Bhashyam, "Algorithms for Change Detection with Unknown Number of Affected Sensors," Proceedings of NCC 2013, IIT Delhi, India, Feb 2013.

M. K. Jataprolu, R. D. Koilpillai, S. Bhashyam, "Optimal MTM Spectral Estimation Based Detection for Cognitive Radio in HDTV," Proceedings of NCC 2012, IIT Kharagpur, India, Feb 2012.

[J12] 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.

[J9] 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.

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.

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.

[J6] 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.

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.

[J5] 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. 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. 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).

[J1] 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.

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.

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.


Network Information Theory, Cooperative Communication, Interference Management

[C78] A. V. Mampilly, S. Bhashyam, Greedy Successive Relaying for the Multicarrier Diamond Relay Channel, 2021 National Conference on Communications (NCC), July 2021, doi: 10.1109/NCC52529.2021.9530140.

[J33] V. N. Moothedath and S. Bhashyam, "Distributed Pareto Optimal Beamforming for the MISO Multi-band Multi-cell Downlink," in IEEE Transactions on Wireless Communications, vol. 19, no. 11, pp. 7196-7209, Nov. 2020.

[J29] A. V. Mampilly and S. Bhashyam, "Successive Relaying for Two-hop Two-Destination Multicarrier Relay Channels," IEEE Communications Letters, vol. 24, no. 3, pp. 685-689, March 2020.

[J28] R. Chaluvadi, M. Bolli, S. Bhashyam, On the Optimality of Interference Decoding Schemes for K-User Gaussian Interference Channels. Entropy 2019, 21, 1053. Special Issue on Multiuser Information Theory II.

[C74] R. Chaluvadi, B. Madhuri, S. Bhashyam, "Channel Conditions for the Optimality of Interference Decoding Schemes for K-user Gaussian Interference Channels," 2019 IEEE International Symposium on Information Theory (ISIT), Paris, France, 2019, pp. 752-756.

[C72] R. Sam, A. Mampilly, S. Bhashyam, "General Compute and Forward for Virtual Full-Duplex Relaying," Proceedings of NCC 2019, IISc Bangalore, Feb 2019.

[C71] R. Chaluvadi, S. Bhashyam, "On the Optimality of Simple Han-Kobayashi Schemes for Gaussian Interference Channels," Proceedings of NCC 2019, IISc Bangalore, Feb 2019.

S. Timmadasari, K. P. Naveen and S. Bhashyam, "Infrastructure-Based Wireless Networks: Coverage and Percolation Properties," Proceedings of SpaSWiN '18 (Workshop on Spatial Stochastic Models for Wireless Networks), held in conjunction with WiOpt '18, Shanghai, China, May 2018.

M. Vishnu Narayanan, S. Bhashyam, Pareto Optimal Distributed Beamforming for the Multi-band Multi-cell Downlink, Proceedings of IEEE Global Communications Conference (GLOBECOM 2017), Singapore, Dec. 2017.

A. Gnanasambandam, R. Chaluvadi, S. Bhashyam, On the Sum Capacity of Many-to-one and One-to-many Gaussian Interference Channels, Proceedings of the 51st Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, USA, Oct-Nov 2017.

A. V. Mampilly, S. Bhashyam, On decode-and-forward relaying for the diamond relay channel with multicarrier transmission, 2017 IEEE International Conference on Communications (ICC), Paris, France, May 2017.

A. V. Mampilly, S. Bhashyam, On the Capacity of the Half-Duplex MIMO Gaussian Diamond Channel, Proceedings of the 2016 International Symposium on Information Theory and its Applications, Monterey, CA, USA, Oct-Nov 2016.

[J23] R. Prasad, S. Bhashyam, A. Chockalingam, "On the Gaussian Many-to-One X Channel," IEEE Transactions on Information Theory, vol. 62, no. 1, pp. 244-259, Jan 2016.

Praneeth Kumar V., S. Bhashyam, On the Sum Rate of the Gaussian X channel in the Mixed Interference Regime, Proceedings of IEEE ISIT 2015, Hong Kong, China, Jun. 2015.

Aparna V. Nampoothiri, S. Bhashyam, Co-ordinate Interleaved Amplify-and-forward Relaying with a Multi-antenna Relay, Proceedings of NCC 2015, IIT Bombay, Mumbai, Feb-Mar. 2015.

[J20] R. Prasad, S. Bhashyam, A. Chockalingam, "On the Sum-Rate of the Gaussian MIMO Z Channel and the Gaussian MIMO X Channel," IEEE Transactions on Communications, vol. 63, no. 2, pp. 487-497, Feb. 2015.

[J19] Praneeth Kumar V., S. Bhashyam, "MIMO Gaussian X Channel: Noisy Interference Regime," IEEE Communications Letters, vol. 18, no. 8, pp. 1295-1298, Aug. 2014.

Ranga Prasad, S. Bhashyam, and A. Chockalingam, Optimum Transmission Strategies for the Gaussian Many-to-One Interference Network, Proceedings of IEEE ICC 2014, Sydney, Australia, pp. 1953-1958, June 2014.

Ranga Prasad, S. Bhashyam, and A. Chockalingam, Optimum Transmission Strategies for the Gaussian One-to-Many Interference Network, Proceedings of IEEE WCNC 2014, Istanbul, Turkey, pp. 12-17, April 2014.

[J18] P. S. Elamvazhuthi, B. K. Dey, S. Bhashyam, An MMSE strategy at relays with partial CSI for a multi-layer relay network, IEEE Transactions on Signal Processing, Vol. 62, No. 2, pp. 271-282, Jan. 15, 2014.

Prathyusha V, S. Bhashyam, A. Thangaraj, The Gaussian Two-way Diamond Channel, Proceedings of Allerton conference on Communication, Control, and Computing, Monticello, IL, Oct. 2013.

V. P. Sreekanth, K. V. Srinivas, S. Bhashyam, "Co-ordinate Interleaved Non-orthogonal Amplify and Forward Relaying Protocol," Proceedings of NCC 2013, IIT Delhi, India, Feb 2013.

Ishaque Ashar K, Prathyusha V, S. Bhashyam, A. Thangaraj, "Outer Bounds for the Capacity Region of a Gaussian Two-way Relay Channel," Proceedings of Allerton conference on Communication, Control, and Computing, Monticello, IL, Oct. 2012.

A. Thangaraj, R. K. Ganti, S. Bhashyam, "Self-Interference Cancellation Models for Full-duplex Wireless Communications," Proceedings of SPCOM 2012, Bangalore, India, July 2012.

M. Sridhar, S. Bhashyam, "On the Sum Rate of a 2 x 2 Interference Network," Proceedings of ICC 2012, Ottawa, Canada, June 2012. Updated here. Also see this PDF.

[J16] 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.

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.

Bama Muthuramalingam, S. Bhashyam, A. Thangaraj, "Multistage Relaying Using Interference Networks," SPCOM 2010, Invited paper, July 2010.

M. Bama, S. Bhashyam, A. Thangaraj, "Receiver-Selection Scheduling in Wireless Networks," Proceedings of WPMC 2009, Sendai, Japan.

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.

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.

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.

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.

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)


MIMO Systems

[C80] S. S. Nair and S. Bhashyam, "Robust Nonlinear Precoding in MU-MIMO using Partial Interfering Beam Feedback," 2023 IEEE Wireless Communications and Networking Conference (WCNC), Glasgow, United Kingdom, 2023, pp. 1-6, doi: 10.1109/WCNC55385.2023.10119049.

[J31] S. S. Nair and S. Bhashyam, "Hybrid beamforming in MU-MIMO using partial interfering beam feedback," in IEEE Communications Letters, vol. 24, no. 7, pp. 1548-1552, July 2020.

[C75] S. S. Nair, S. Bhashyam, "Non-uniform Amplitude Codebooks for MU-MIMO in Millimeter Wave Systems," Proceedings of NCC 2020, IIT Kharagpur, Feb 2020.

[J27] R. Chaluvadi, S. S. Nair, S. Bhashyam, "Optimal Multi-antenna Transmission with Multiple Power Constraints," IEEE Transactions on Wireless Communications, vol. 18, no. 7, pp. 3382-3394, July 2019.

S. S. Nair, R. Chaluvadi, S. Bhashyam, Optimal Rank-constrained Transmission for MIMO under Per-group Power Constraints, Proceedings of WCNC 2017, San Francisco, CA, USA, March 2017.

R. Chaluvadi, S. S. Nair, S. Bhashyam, Optimal Multi-antenna Transmission with Per-group and Joint Power Constraints, Proceedings of WCNC 2017, San Francisco, CA, USA, March 2017.

[J24] N. Lavanis, D. Jalihal, A. P. Kannu, S. Bhashyam, Finite-SNR outage analysis for MIMO channels with imperfect channel state information, (Elsevier) Physical Communication, Volume 22, pp. 58-64, March 2017.

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.

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.

[J14] 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.

[J11] 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.

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.

[J10] 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.

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.

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.

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.

T. R. Ramya, S. Bhashyam, "Throughput Analysis of Multiple Input Single Output Beamforming Systems with Delayed Feedback," Proceedings of WWRF19, Chennai, India, November 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.

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.

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.

[J2] 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.


Optical Communications

[C77] S. Swain, S. Bhashyam, R. D. Koilpillai, and D. Venkitesh, "Performance characterization of digital power division multiplexed transmission in fundamental mode of few-mode fiber," in OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF), L. Caspani, A. Tauke-Pedretti, F. Leo, and B. Yang, eds., OSA Technical Digest (Optical Society of America, 2020), paper SpM4I.2.

[J32] S. Swain, S. Bhashyam, R. Koilpillai, and D. Venkitesh, "Digital power division multiplexed DD-OFDM using fundamental mode transmission in few-mode fiber," Opt. Express 28, 17809-17819 (2020).


Network Resource Allocation

[J26] D. Thirumulanathan, H. Vinay, S. Bhashyam, R. Sundaresan, "Almost Budget Balanced Mechanisms with Scalar Bids For Allocation of a Divisible Good", European Journal of Operational Research, Volume 262, Issue 3, 1 November 2017, Pages 1196-1207, ISSN 0377-2217.

[J22] H. Ahmed, K. Jagannathan, S. Bhashyam, "Queue-Aware Optimal Resource Allocation for the LTE Downlink with Best M Sub-band Feedback," IEEE Transactions on Wireless Communications, vol. 14, no. 9, pp. 4923-4933, Sep. 2015.

V. Sudheesh, K. Jagannathan, S. Bhashyam, Distributed resource allocation for single-hop networks under the SINR model, Proceedings of COMSNETS 2015, Bangalore, India, Jan. 2015.

H. Ahmed, K. Jagannathan, S. Bhashyam, "Fair Scheduling with Deadline Guarantees in Single-hop Networks," Invited Paper, Proceedings of COMSNETS 2014, Bangalore, India, Jan. 2014.

H. Ahmed, K. Jagannathan, S. Bhashyam, "Queue-Aware Optimal Resource Allocation for the LTE Downlink," Proceedings of IEEE GLOBECOM 2013, Atlanta, GA, USA, Dec. 2013.

[J17] V. N. Swamy, S. Bhashyam, R. Sundaresan, P. Viswanath, "An asymptotically optimal push-pull method for multicasting over a random network," IEEE Transactions on Information Theory, Vol. 59, No. 8, pp. 5075-5087, Aug. 2013.

E. V. Mangipudi, V. Ramaiyan, S. Bhashyam, "Cross-Layer Strategies for Throughput Maximization in a Data Aggregating Wireless Network," Proceedings of NCC 2013, IIT Delhi, India, Feb 2013.

[J15] 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.

[J13] 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.

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.

C. Manikandan, S. Bhashyam, R. Sundaresan, Resource allocation under channel uncertainty, Proceedings of the National Conference on Communications (NCC), Guwahati, India, January 2009.

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.

[J8] 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.

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.

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.

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.

[J7] 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.

C. Mohanram, S. Bhashyam, "Combined Subcarrier and Power Allocation in Multiuser OFDM," Proceedings of the National Conference on Communications (NCC), Kharagpur, India, January 2005.


Coding for Communications

[J25] K. Ravindran, A. Thangaraj, S. Bhashyam, "High SNR Error Analysis for Bidirectional Relaying with Physical Layer Network Coding," IEEE Transactions on Communications, vol. 65, no. 4, pp. 1536-1548, Apr. 2017.

[J21] K. Ravindran, A. Thangaraj, S. Bhashyam, "LDPC Codes for Network-coded Bidirectional Relaying with Higher Order Modulation," IEEE Transactions on Communications, vol. 63, no. 6, pp. 1975-1987, Jun 2015.

K. Ravindran, V. Praneeth Boda, A. Thangaraj, S. Bhashyam, B. Joshi, W. Li, "Optimized Codes for Bidirectional Relaying," Proceedings of NCC 2014, IIT Kanpur, India, Feb-Mar 2014.

B. Saradka, S. Bhashyam, A. Thangaraj, "A Dirty Paper Coding Scheme for the Multiple Input Multiple Output Broadcast Channel," Proceedings of NCC 2012, IIT Kharagpur, India, Feb 2012.

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.

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.

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.

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.


Miscellaneous

[J4] 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.

[J3] 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. 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.


Technical Reports

M. Bama, "Report on cut-set bound for Gaussian relay networks."


Arxiv

Srikrishna Bhashyam


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