Journal Publications

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  1. Vineetha Yogesh, Sandesh Rao Mattu, and A. Chockalingam, Low-Complexity Delay-Doppler Channel Estimation in Discrete Zak Transform Based OTFS, IEEE Commun. Lett., IEEE Xplore Early Access, doi: 10.1109/LCOMM.2024.3351685. PDF

  2. S. K. Mohammed, R. Hadani, A. Chockalingam, and R. Calderbank, OTFS - Predictability in the Delay-Doppler Domain and its Value in Communication and Radar Sensing, IEEE BITS the Information Theroy Magazine, IEEE Xplore Early Access, doi: 10.1109/MBITS.2023.3319595. PDF

  3. Sai Pradeep Muppaneni, Sandesh Rao Mattu, and A. Chockalingam, Channel and Radar Parameter Estimation with Fractional Delay-Doppler Using OTFS, IEEE Commun. Lett., vol. 27, no. 1, pp. 337-341, Jan. 2023. PDF

  4. Vighnesh Bhat, G. Harshavardhan, and A. Chockalingam, Input-Output Relation and Performance of RIS-Aided OTFS with Fractional Delay-Doppler, IEEE Commun. Lett., vol. 27, no. 5, pp. 1392-1396, May 2023. PDF

  5. A. Roy, Y. Naresh, A. Padmanabhan, A. Chockalingam, and K. J. Vinoy, Digitally Reconfigurable Metasurface Array for A Multipath Based Wireless Link with Media-Based Modulation, IEEE Trans. Microwave Theory and Techniques, vol. 70, no. 12, pp. 5418-5426, Dec. 2022. PDF

  6. S. Srivastava, R. K. Singh, A. K. Jagannatham, A. Chockalingam, and L. Hanzo, OTFS Transceiver Design and Sparse Doubly-Selective CSI Estimation in Analog and Hybrid Beamforming Aided mmWave MIMO Systems, IEEE Trans. Wireless Commun., vol. 21, no. 12, pp. 10902-10917, Dec. 2022. PDF

  7. S. K. Mohammed, R. Hadani, A. Chockalingam, and R. Calderbank, OTFS - A Mathematical Foundation for Communication and Radar Sensing in the Delay-Doppler Domain, IEEE BITS the Information Theroy Magazine, vol. 2, no. 2, pp. 36-55, Nov. 2022. PDF

  8. Sandesh Rao Mattu, Lakshmi Narasimhan T, and A. Chockalingam, Deep Channel Prediction: A DNN Framework for Receiver Design in Time-Varying Fading Channels, IEEE Trans. Veh. Tech., vol. 71, no. 6, pp. 6439-6453, June 2022. PDF

  9. Sandesh Rao Mattu and A. Chockalingam, Learning based Channel Estimation and Phase Noise Compensation in Doubly-Selective Channels, IEEE Commun. Lett., vol. 26, no. 5, pp. 1052-1056, May 2022. PDF

  10. Vighnesh S Bhat, G. D. Surabhi, and A. Chockalingam, Performance Analysis of OTFS Modulation with Receive Antenna Selection, IEEE Trans. Veh. Tech., vol. 70, no. 4, pp. 3382-3395, April 2021. PDF

  11. Bharath Shamasundar and A. Chockalingam, , A DNN Architecture for the Detection of Generalized Spatial Modulation Signals, IEEE Commun. Lett., vol. 24, no. 12, pp. 2770-2774, December 2020. PDF

  12. Bharath Shamasundar and A. Chockalingam, Constellation Design for Media-based Modulation using Block Codes and Squaring Construction, IEEE J. Sel. Areas in Commun., vol.38, no. 9, pp. 2156-2167, September 2020. PDF

  13. Sandeep Bhat and A. Chockalingam, LSE Precoder for Load Modulated Arrays with Channel Modulation, IEEE Wireless Commun. Lett., vol. 9, no. 8, pp. 1295-1299, August 2020. PDF

  14. G. D. Surabhi and A. Chockalingam, Low-complexity Linear Equalization for OTFS modulation, IEEE Commun. Lett., vol. 24, no. 2, pp. 330-334, February 2020.

  15. G. D. Surabhi, Rose Mary Augustine, and A. Chockalingam, Peak-to-Average Power Ratio of OTFS modulation, IEEE Commun. Lett., vol. 23, no. 6, pp. 999-1002, June. 2019.

  16. G. D. Surabhi, Rose Mary Augustine, and A. Chockalingam, On the Diversity of Uncoded OTFS Modulation in Doubly-Dispersive Channels, IEEE Trans. Wireless Commun., vol. 18, no. 6, pp. 3049-3063, June 2019.

  17. Manu Krishnan, Swaroop Jacob, and A. Chockalingam, Message Passing Receivers for Generalized Media-based Modulation Signals, IEEE Trans. Wireless Commun., vol. 18, no. 5, pp. 2607-2622, May 2019.

  18. Y. Naresh and A. Chockalingam, Performance Analysis of Full-Duplex Decode-and-Forward Relaying with Media-Based Modulation, IEEE Trans. Veh. Tech., vol. 68, no. 2, pp. 1510-1524, February 2019.

  19. Bharath Shamasundar, Manu Krishnan, T. Lakshmi Narasimhan, and A. Chockalingam, MAP-index Coded Media-based Modulation, IEEE Commun. Lett., vol. 22, no. 12, pp. 2455-2458, December 2018.

  20. Sandeep Bhat and A. Chockalingam, Precoding for Multiuser Load Modulated Arrays on the Downlink, IEEE Commun. Lett., vol. 22, no. 9, pp. 1774-1777, September 2018.

  21. Bharath Shamasundar, Swaroop Jacob, T. Lakshmi Narasimhan, and A. Chockalingam, Media-Based Modulation for the Uplink in Massive MIMO Systems, IEEE Trans. Veh. Tech., vol. 67, no. 9, pp. 8169-8183, September 2018.

  22. Amit Kumar Gupta and A. Chockalingam, Performance of MIMO Modulation Schemes with Imaging Receivers in Visible Light Communication, IEEE/OSA Journ. Lightwave Tech., vol. 36, no. 10, pp. 1912-1927, May 2018.

  23. Y. Naresh and A. Chockalingam, Performance Analysis of Media-based Modulation with Imperfect Channel State Information, IEEE Trans. Veh. Tech. vol. 67, no. 5, pp. 4192-4207, May 2018.

  24. Bharath Shamasundar, Sandeep Bhat, Swaroop Jacob, and A. Chockalingam, Multidimensional Index Modulation in Wireless Communications, IEEE Access, Special Section on Index Modulation Techniques for Next-Generation Wireless Networks, vol. 6, pp. 589-604, 2018.

  25. Sandeep Bhat and A. Chockalingam, Detection of Load-Modulated Multiuser MIMO Signals, IEEE Wireless Commun. Lett., vol. 7, no. 2, pp.266-269, July 2018.

  26. Y. Naresh and A. Chockalingam, A Low-Complexity Maximum-Likelihood Detector for Differential Media-Based Modulation, IEEE Commun. Lett., vol. 21, no. 10, pp. 2158-2161, October 2017.

  27. Y. Naresh and A. Chockalingam, On Media-based Modulation using RF Mirrors, IEEE Trans. Veh. Tech., vol.66, no. 6, pp. 4967-4983, June 2017.

  28. Tanumay Datta, Harsha Eshwaraiah, and A. Chockalingam, Generalized Space-and-Frequency Index Modulation, IEEE Trans. Veh. Tech., vol. 65, no. 7, pp.4911-4924, July 2016.

  29. P. Yang, Y. Xiao, K. V. S. Hari, A. Chockalingam, S. Sugiura, H. Haas, M. Di Renzo, Z. Liu, L. Xiao, S. Li, and L. Hanzo, Single-Carrier Spatial Modulation: A Promising Design for Large-Scale Broadband Antenna Systems, IEEE Commun. Surveys and Tutorials, vol. 18, no. 3, pp. 1687-1716, 3rd quarter, 2016.

  30. T. Lakshmi Narasimhan and A. Chockalingam, ``On the Capacity and Performance of Generalized Spatial Modulation, IEEE Commun. Lett., vol. 20, no. 2, pp. 252-255, February 2016.

  31. Rangaprasad, Srikrishna Bhashyam, and A. Chockalingam, On the Gaussian Many-to-One X Channel, IEEE Trans. Inform. Theory, vol. 62, no. 1, pp. 244-258, January 2016.

  32. T. Lakshmi Narasimhan, P. Raviteja, and A. Chockalingam, Generalized Spatial Modulation in Large-Scale Multiuser MIMO Systems, IEEE Trans. Wireless Commun., vol. 14, no. 7, pp. 3764-3779, July 2015.

  33. Rangaprasad, Srikrishna Bhashyam, and A. Chockalingam, On the Sum-Rate of the Gaussian MIMO Z Channel and the Gaussian MIMO X Channel, IEEE Trans. Commun., vol. 63, no. 2, pp. 487-497, February 2015.

  34. Pritam Som and A. Chockalingam, Performance Analysis of Space Shift Keying in Decode-and-Forward Multi-hop MIMO Networks, IEEE Trans. Veh. Tech., vol. 64, no. 1, pp. 132-146, January 2015.

  35. T. Lakshmi Narasimhan and A. Chockalingam, Channel Hardening-Exploiting Message Passing (CHEMP) Receiver in Large-Scale MIMO Systems, IEEE J. Sel. Topics in Signal Proc. (JSTSP): Special issue on Signal Processing for Large-Scale MIMO Communications, vol. 8, no. 5, pp. 847-860, October 2014.

  36. Pritam Som and A. Chockalingam, Bit Error Probability Analysis of SSK in DF Relaying with Threshold-based Best Relay Selection and Selection Combining, IEEE Commun. Lett., vol. 18, no. 1, pp. 18-21, January 2014.

  37. Tanumay Datta, N. Ashok Kumar, A. Chockalingam, and B. Sundar Rajan, A Novel Monte Carlo Sampling Based Receiver for Large-Scale Uplink Multiuser MIMO Systems, IEEE Trans. Veh. Tech., vol. 62, no. 7, pp. 3019-3038, Sepetember 2013.

  38. Sanjay Vishwakarma and A. Chockalingam, Decode-and-Forward Relay Beamforming for Secrecy with Finite-Alphabet Input, IEEE Commun. Lett., vol. 17, no. 5, pp. 912-915, May 2013.

  39. T. Lakshmi Narasimhan and A. Chockalingam, EXIT Chart Based Design of Irregular LDPC Codes for Large-MIMO Systems, IEEE Commun. Lett., vol. 17, no. 1, pp. 115-118, January 2013.

  40. Saif K. Mohammed, E. Viterbo, Y. Hong, and A. Chockalingam, Modulation Diversity in Fading Channels with a Quantized Receiver, IEEE Trans. Wireless Commun., vol. 11, no. 1, pp. 316-327, January 2012.

  41. Pritam Som, Tanumay Datta, N. Srinidhi, A. Chockalingam, and B. Sundar Rajan, Low-Complexity Detection in Large-Dimension MIMO-ISI Channels Using Graphical Models, IEEE Jl. Sel. Topics in Signal Proc. (JSTSP): Special issue on Soft Detection for Wireless Transmission, vol. 5, no. 8, pp. 1497-1511, December 2011.

  42. N. Srinidhi, Tanumay Datta, A. Chockalingam, and B. Sundar Rajan, Layered Tabu Search Algorithm for Large-MIMO Detection and a Lower Bound on ML Performance, IEEE Trans. Commun., vol. 59, no. 11, pp. 2955-2963, November 2011.

  43. P. Ubaidulla and A. Chockalingam, Relay Precoder Optimization in MIMO-Relay Networks with Imperfect CSI, IEEE Trans. Signal Proc., vol. 59, no. 11, pp. 5473-5484, November 2011.

  44. K. Raghunath, Yogendra U. Itankar, A. Chockalingam, and Ranjan K. Mallik, BER Analysis of Uplink OFDMA in the Presence of Carrier Frequency and Timing Offsets on Rician Fading Channels, IEEE Trans. Veh. Tech., vol. 60, no. 9, pp. 4392-4402, November 2011.

  45. Saif K. Mohammed, E. Viterbo, Y. Hong, and A. Chockalingam, Precoding by Pairing Subchannels to Increase MIMO Capacity with Discrete Input Alphabets, IEEE Trans. Inform. Theory, vol. 57, no. 7, pp. 4156-4169, July 2011.

  46. Saif K. Mohammed, E. Viterbo, Y. Hong, and A. Chockalingam, MIMO Precoding with X- and Y-Codes, IEEE Trans. Inform. Theory, vol. 57, no. 6, pp. 3542-3566, June 2011.

  47. A. P. Azad and A. Chockalingam, Enhancing Lifetime of Wireless Sensor Networks Using Multiple Data Sinks, Intl. Jl. Sensor Networks, vol. 9, nos. 3/4, pp. 139-157, 2011.

  48. Tanumay Datta, N. Srinidhi, A. Chockalingam, and B. Sundar Rajan, Random-Restart Reactive Tabu Search Algorithm for Detection in Large-MIMO Systems, IEEE Commun. Lett., vol. 14, no.12, pp. 1107-1109, December 2010.

  49. R. Annavajjala, A. Chockalingam, and Saif K. Mohammed, On a Ratio of Functions of Exponential Random Variables and Some Applications, IEEE Trans. Commun., vol. 58, no.11, pp. 3091-3097, November 2010.

  50. P. Ubaidulla and A. Chockalingam, Robust Tomlinson-Harashima Precoders for Multiuser MISO Downlink with Imperfect CSI, Spinger Wireless Personal Commun. Jl., vol. 54, Iss. 1, pp. 53-68, 2010.

  51. Saif K. Mohammed, Ahmed Zaki, A. Chockalingam, and B. Sundar Rajan, High-Rate Space-Time Coded Large-MIMO Systems: Low-Complexity Detection and Channel Estimation, IEEE Jl. Sel. Topics in Signal Proc. (JSTSP): Special Issue on Managing Complexity in Multiuser MIMO Systems, vol. 3, no. 6, pp. 958-974, December 2009.

  52. P. Ubaidulla and A. Chockalingam, Robust THP Transceiver Designs for Multiuser MIMO Downlink with Imperfect CSIT, EURASIP Jl. on Advances in Signal Proc., Special Issue on Multiuser MIMO Transmission with Limited Feedback, Cooperation and Coordination, volume 2009, article ID 473930, 13 pages, doi:10.1155/2009/1473930.

  53. K. Raghunath, and A. Chockalingam, SIR Analysis and Interference Cancellation in Uplink OFDMA with Large Carrier Frequency/Timing Offsets, IEEE Trans. Wireless Commun., vol. 8, no. 5, pp. 2202-2208, May 2009.

  54. D. Sreedhar, A. Chockalingam, and B. Sundar Rajan, Single-Symbol ML Decodable Distributed STBCs for Partially-Coherent Cooperative Networks, IEEE Trans. Wireless Commun., vol. 8, no. 5, pp. 2672-2681, May 2009.

  55. P. Udaidulla and A. Chockalingam, Robust Tomlinson-Harashima Precoders for Multiuser MISO Downlink with Imperfect CSI, Springer Wireless Personal Commun. Jl., doi:10.1007/s11277-009-9714-3, April 2009.

  56. T. Srikanth, K. Vishnu Vardhan, A. Chockalingam, and L. B. Milstein, Improved Linear Parallel Interference Cancellers, IEEE Trans.on Wireless Commun., vol. 7, no.9, pp. 3535-3545, September 2008.

  57. D. Sreedhar and A. Chockalingam, Interference Mitigation in Cooperative SFBC-OFDM, EURASIP Jl. on Advances in Signal Proc., Spl. Iss. on Wireless Cooperative Networks, volume 2008, article ID 125735, 11 pages, doi:10.1155/2008/125735.

  58. A. Chockalingam and M. Zorzi, Adaptive ARQ with Energy Efficient Backoff on Markov Fading Links, IEEE Trans. Wireless Commun., vol. 7, no. 5, pp. 1445-1449, May 2008.

  59. K. Vishnu Vardhan, Saif K. Mohammed, A. Chockalingam, and B. Sundar Rajan, A Low-Complexity Detector for Large MIMO Systems and Multicarrier CDMA Systems, IEEE Jl. Sel. Areas in Commun. (JSAC): Spl. Iss. on Multiuser Detection for Advanced Communication Systems and Networks, vol. 26, no.3, pp. 473-485, April 2008.

  60. S. Manohar, V. Tikiya, D. Sreedhar, and A. Chockalingam, Cancellation of Multiuser Interference due to Carrier Frequency Offsets in Uplink OFDMA, IEEE Trans. Commun., vol. 6, no. 7, pp. 2560-2571, July 2007.

  61. S. Manohar, V. Tikiya, R. Annavajjala, and A. Chockalingam, BER-Optimal Linear Parallel Interference Cancellation for Multicarrier DS-CDMA in Rayleigh Fading, IEEE Trans. Commun., vol. 55, no. 6, pp. 1253-1265, June 2007.

  62. G. V. V. Sharma and A. Chockalingam, Performance Analysis of Maximum-Linkelihood Multiuser Detection in Space-Time Coded CDMA with Imperfect Channel Estimation, IEEE Trans. Veh. Tech., vol. 55, no. 6, pp. 1824-1837, November 2006.

  63. V. Tikiya, S. Manohar, and A. Chockalingam, SIR-optimized Weighted Linear Parallel Interference Canceller on Fading Channels, IEEE Trans. Wireless Commun., vol. 5, no. 8, pp. 1998-2003, August 2006.

  64. M. Surendra Raju, R. Annavajjala and A. Chockalingam, BER Analysis of QAM on Fading channels with Transmit Diversity, IEEE Trans. Wireless Commun., vol. 5, no. 3, pp. 481-486, March 2006.

  65. K. Premkumar and A. Chockalingam, Performance Analysis of RLC/MAC and LLC Layers in GPRS Protocol Stack, IEEE Trans. Veh. Tech., vol. 53, no. 5,
    pp. 1531-1546, September 2004.

  66. A. Ramesh, A. Chockalingam, and L. B. Milstein, Performance Analysis of Coded Communication Systems on Nakagami Fading Channels with Selection Combining Diversity, IEEE Trans. Commun., vol. 52, no. 7, pp. 1214-1220, July 2004.

  67. R. Annavajjala, A. Chockalingam, and L. B. Milstein, Further Results on Selection Combining of NCFSK Signals in Rayleigh Fading Channels, IEEE Trans. Commun., vol. 52, no. 6, pp. 939-952, July 2004.

  68. S. Anand and A. Chockalingam, Performance Analysis of Voice/Data Cellular CDMA with SIR based Admission Control, IEEE Jl. Sel. Areas in Commun., vol. 21, no. 10, pp. 1674-1684, December 2003.

  69. A. Ramesh, A. Chockalingam, and L. B. Milstein, Performance Analysis of TCM with Generalized Selection Combining on Rayleigh Fading Channels, IEEE Commun. Lett., vol. 7, no. 7, pp. 296-298, July 2003.

  70. P. M. Soni and A. Chockalingam, Analysis of Link Layer Backoff Schemes on Point-to-Point Markov Fading Links, IEEE Trans. Commun., vol. 51, no. 1, pp. 29-32, January 2003.

  71. A. Ramesh, A. Chockalingam, and L. B. Milstein, SNR Estimation in Nakagami-m Fading with Diversity Combining and its Application to Turbo Decoding, IEEE Trans. Commun., vol. 50, no. 11, pp. 1719-1724, November 2002.

  72. P. M. Soni and A. Chockalingam, Performance Analysis of UDP with Energy Efficient Link Layer on Markov Fading Channels, IEEE Trans. Wireless Commun., vol. 1, no. 4, pp. 769-780, October 2002.

  73. M. Zorzi, A. Chockalingam, and R. R. Rao, Throughput Analysis of TCP on Channels with Memory, IEEE Jl. Sel. Areas in Commun., vol. 18, no. 7, pp. 1289-1300, July 2000.

  74. A. Chockalingam, W. Xu, M. Zorzi, and L. B. Milstein, Throughput-Delay Analysis of a Multichannel Wireless Access Protocol in the Presence of Rayleigh Fading, IEEE Trans. Veh. Tech., vol.49, no. 2, pp. 661-671, March 2000.

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