Journal Papers

(a) Publications in International Journals: SUMMARY

  1. Navya Saxena, Anjana A. Mahesh, and B. Sundar Rajan
    ``An Optimal Two-Step Decoding for PSK-Modulated Noisy Index Coding,''
    IEEE Transactions on Communications, (Accepted for publication.)
  2. Elizabath Peter, K.K.Krishnan Namboodiri and B. Sundar Rajan
    ``Coded Caching with Shared Caches and Private Caches,''
    IEEE Transactions on Communications, (Accepted for publication) (Available as IEEE early access article).
  3. Kanishak Vaidya and B. Sundar Rajan
    ``Multi-Access Cache-Aided Multi-User Private Information Retrieval,''
    IEEE Transactions on Communications, (Accepted for publication)(Availabale as IEEE early access article).
  4. Krishnan Namboodiri K.K., and B. Sundar Rajan
    ``Combinatorial Multi-Access Coded Caching: Improved Rate-Memory Trade-off with Coded Placement,''
    IEEE Transactions on Information Theory, Vol.70, No.3, pp.1787-1805, March 2024.
  5. Kanishak Vaidya and B. Sundar Rajan
    ``Cache-Aided Multi-User Private Information Retrieval using PDAs''
    IEEE Transactions on Communications, Vol.72, No.2, pp.991-1004, Feb. 2024.
  6. Krishnan Namboodiri, Elizabath Peter and B. Sundar Rajan
    ``Extended Placement Delivery Arrays for Multi-Antenna Coded Caching Scheme,''
    IEEE Transactions on Communications, Vol.71, No.10, pp. 5647-5660, October 2023..
  7. Anjana A. Mahesh, Anurag Chhetri and B. Sundar Rajan
    ``Role of Index Codes in Noisy Broadcasting with Side Information and Index Coded QAM for Prioritized Receivers,''
    IEEE Transactions on Communications, Vol.71, No. 7, pp. 3889-3904, July 2023.
  8. Elizabath Peter and B. Sundar Rajan,
    ``Multi-Antenna Coded Caching for Shared Caches with Arbitrary User-to-Cache Association''
    IEEE Communications Letters, Vol. 27, No. 7, pp. 1729-1733, July 2023.
  9. Sreelakshmi P., Jesy Pachat, Anjana A. Mahesh, Deepthi P.P., and B. Sundar Rajan,
    ``Index coded- NOMA in Vehicular Ad Hoc Networks,''
    IEEE Transactions on Vehicular Technology, Vol.71, No.9, pp. 10073-10087, September 2022.
  10. Jesy Pachat, Anjana A. Mahesh, Deepthi P.P., and B. Sundar Rajan,
    ``Embedded Index Coding with Consecutive Side Information in Vehicle to Vehicle Communication,''
    IEEE Transactions on Vehicular Technology, Vol.71, No.8, pp. 9113-9118, August 2022.
  11. K.K. Krishnan Namboodiri and B. Sundar Rajan,
    ``Improved Lower Bounds for Multi-Access Coded Caching,''
    IEEE Transactions on Communications, Vol.70, No.7, pp.4454-4468, July 2022.
  12. Elizabath Peter and B. Sundar Rajan,
    ``Multi-Antenna Coded Caching From a Placement Delivery Array for Shared Caches,"
    IEEE Transactions on Communications, Vol.70, No.6, pp.3627-3640, June 2022.
  13. Shanuja Sasi and B. Sundar Rajan,
    ``Multi-access Coded Caching Scheme with Linear Sub-packetization using PDAs,"
    IEEE Transactions on Communications, Vol.69, No.12, pp. 7974-7985, December 2021.
  14. Anjana A. Mahesh, Nujoom Sageer Karat and B. Sundar Rajan,
    "An Optimal Error Correction Scheme for the Shuffle Phase of A MapReduce Distributed Computing System,"
    IEEE Communications Letters, Vol.25, No.12, pp.3765-3769, December 2021.
  15. Shreya Shrestha Meel and B. Sundar Rajan,
    "Secretive Coded Caching with Shared Caches,"
    IEEE Communications Letters, Vol.25, No.9, pp.2849-2853, September 2021.
  16. Jesy P., Nujoom Sageer Karat, Anjana A. Mahesh, Deepthi P.P., and B. Sundar Rajan,
    ``Index Coded PSK Modulation in Vehicle to Vehicle Communication,"
    IEEE Transactions on Vehicular Technology, Vol.70, No.5, pp. 4753-4766, May 2021.
  17. Digvijay Katyal, Pooja Nayak Muralidhar, and B. Sundar Rajan,
    ``Multi-access Coded Caching Schemes From Cross Resolvable Designs,"
    IEEE Transactions on Communications, Vol.69, No.5, pp. 2997-3010, May 2021.
  18. Saket D. Buch, Chinmayananda Arunachala and B. Sundar Rajan,
    "Throughput Efficient Multi-Stage Technique for Binary Multiway Relaying,"
    IEEE Communications Letters, Vol.24, No.12, pp.2969-2973, December 2020.
  19. Jesy P., Nujoom Sageer Karat, Deepthi P.P., and B. Sundar Rajan,
    ``Index Coding in Vehicle to Vehicle Communication,"
    IEEE Transactions on Vehicular Technology, Vol.69, No. 10, pp.11926-11936, October 2020.
  20. Shanuja Sasi, V. Lalitha, Vaneet Aggarwal, and B. Sundar Rajan,
    ``Straggler Mitigation with Tiered Gradient Codes,"
    IEEE Transactions on Communications, Vol.68, No.8, pp.4632-4647, August 2020.
  21. Nujoom Sageer Karat, Anoop Thomas and B. Sundar Rajan,
    ``Optimal Linear Error Correcting Delivery Schemes for Two Optimal Coded Caching Scheme,"
    The Interplay between Storage, Computing and Communications from an Information-Theoretic Perspective. Entropy, Vol.22, Issue No.6, 2020. Special Issue
  22. Anoop Thomas and B. Sundar Rajan,
    ``Generalized Index Coding Problem and Discrete Polymatroids,"
    The Interplay between Storage, Computing and Communications from an Information-Theoretic Perspective. Entropy, Vol.22, Issue No.6, 2020. Special Issue
  23. Chinmayananda A., Vaneet Aggarwal, and B. Sundar Rajan,
    ``On the Optimal Broadcast Rate of the Two-Sender Unicast Index Coding Problem with Fully-Participated Interactions,"
    IEEE Transactions on Communications, Vol.67, No.12, pp.8612-8623, December 2019.
  24. Nujoom Sageer Karat, Anoop Thomas and B. Sundar Rajan,
    ``Error Correction in Coded Caching with Symmetric Batch Prefetching,"
    IEEE Transactions on Communications, Vol. 67, No.8, pp.5264-5274, August 2019.
  25. Anoop Thomas and B. Sundar Rajan,
    ``A Discrete Polymatroidal Framework for Differential Error Correcting Index Codes,"
    IEEE Transactions on Communications, Vol.67, No.7, pp.4593-4604, July 2019.
  26. Chinmayananda A., Vaneet Aggarwal, and B. Sundar Rajan,
    ``Optimal Linear Broadcast Rates of Some Two-Sender Unicast Index Coding Problems,"
    IEEE Transactions on Communications, Vol.67, No.6, pp. 3965-3977, June 2019.
  27. Nujoom Sageer Karat, Simon Samuel and B. Sundar Rajan,
    ``Optimal Error Correcting Index Codes for Some Generalized Index Coding Problems,"
    IEEE Transactions on Communications, Vol.67, No.2, pp. 929-942, Feb. 2019.
  28. Mahesh Babu Vaddi and B. Sundar Rajan,
    ``Capacity of Symmetric Index Coding Problems with X-network Setting with 2x2 Local Connectivity,"
    IEEE Wireless Communications Letters, Vol.7, No.3, pp. 396-399, June 2018.
  29. Anoop Thomas and B. Sundar Rajan,
    ``Binary Informed Source Codes and Index Codes Using Certain Near-MDS Codes,"
    IEEE Transactions on Communications, Vol.66, No. 5, pp. 2181-2190, May 2018.
  30. Mahesh Babu Vaddi and B. Sundar Rajan,
    ``Optimal Index Codes For A New Class of Interlinked Cycle Structure,"
    IEEE Communications Letters, Vol.22, No.4, pp. 684-687, April 2018.
  31. Chinmayananda A., Saket B., and B. Sundar Rajan,
    ``Wireless Bidirectional Relaying using Physical Layer Network Coding with Heterogeneous PSK Modulation,"
    IEEE Transactions on Vehicular Technology, Vol.67, No.3, pp.2335-2344, March 2018.
  32. Divya U.S. and B. Sundar Rajan,
    ``Index Coded PSK Modulation for Prioritized Receivers,"
    IEEE Transactions on Vehicular Technology, Vol.66, No.12, pp. 11151-11165, December 2017.
  33. Niranjana Ambadi, Kavitha R. and B. Sundar Rajan,
    ``Characterizing the Number of Optimal Index Codes and Their Relation to Min-Max Probability of Error Performance,"
    IEEE Transactions on Vehicular Technology, Vol.66, No.12, pp. 11023-11037, December 2017.
  34. Anindya Gupta and B. Sundar Rajan,
    ''A Relation Between Network Computation and Functional Index Coding Problems,''
    IEEE Transactions on Communications, Vol.65, No. 02, pp.705-714, February 2017.
  35. Anoop Thomas, Kavitha R., Chandramouli A. and B. Sundar Rajan,
    ``Single Uniprior Index Coding with Min-Max Probability of Error over Fading Channels,"
    IEEE Transactions on Vehicular Technology, Vol.66, Issue No.7, pp. 6050-6059, July 2017.
  36. Anindya Gupta and B. Sundar Rajan,
    ''Reduced Complexity Sum-Product Algorithm for Decoding Nonlinear Network Codes and In-Network Function Computation,''
    IEEE Transactions on Communications, Vol.64, No. 10, pp.4070-4082, October 2016.
  37. Vijayvaradharaj T. Muralidharan and B. Sundar Rajan,
    ''Linear Network Coding, Linear Index Coding and Representable Discrete Polymatroids,''
    IEEE Transactions on Information Theory, Vol 62, No.7, pp. 4096-4119, July 2016.
  38. Srishti Shukla, Vijayvaradharaj T. Muralidharan and B. Sundar Rajan,
    ``Wireless Network-Coded Accumulate-Compute and Forward Two-Way Relaying,"
    IEEE Transactions on Vehicular Technology, Vol.65, Issue 3, pp. 1367-1381, March 2016.
  39. Srikanth Pai and Sundar Rajan,
    ``On the Bounds of Certain Maximal Linear Codes in a Projective Space,"
    IEEE Transactions on Information Theory, Vol.61, No. 9, pp. 4923-4927, September 2015.
  40. Krishnan Prasad and B. Sundar Rajan,
    ''A Matroidal Framework for Network-Error Correcting Codes,''
    IEEE Transactions on Information Theory, Vol.61, No. 2, pp. 836-872, February 2015.
  41. K.G. Unnikrishnan and B. Sundar Rajan,
    ''Space-Time Coded Spatial Modulated Physical Layer Network Coding for Two-Way Relaying,''
    IEEE Transactions on Wireless Communications, Vol. 14, No.1, pp.331-342, January 2015.
  42. Teja Damodaram Bavirisetti, G. Abhinav, Krishnan Prasad and B. Sundar Rajan,
    ''Precoding Based Network Alignment using Transform Approach for Acyclic Networks with Delay,''
    IEEE Transactions on Information Theory, Vol.60, No.10, pp. 6276-6302, October 2014.
  43. G. Abhinav and B. Sundar Rajan,
    ''On Precoding for Constant K-User MIMO Gaussian Interference Channel with Finite Constellation Inputs,''
    IEEE Transactions on Wireless Communications, Vol.13, No. 8, pp. 4104-4118, August 2014.
  44. G. Abhinav and B. Sundar Rajan,
    ''Interference Alignment with Diversity for the 2x2 X-Network With Four Antennas,''
    IEEE Transactions on Information Theory, Vol.60, No. 6, pp. 3576-3592, June 2014.
  45. G.R. Jithamithra and B. Sundar Rajan,
    ''Construction of Block Orthogonal STBCs and Reducing their Sphere Decoding Complexity,''
    IEEE Transactions on Wireless Communications, Vol. 13, No. 5, pp. 2906-2919, May 2014.
  46. Krishnan Prasad and B. Sundar Rajan,
    ''Nerwork-Error Correcting Codes using Small Fields,''
    IEEE Transactions on Communications, Vol.62, No.2, pp.423-433, Feb. 2014.
  47. K. Pavan Srinath and B. Sundar Rajan,
    ''Fast-Decodable MIDO Codes with large Coding Gain,''
    IEEE Transactions on Information Theory, Vol. 60, No.2, pp. 992-1017, Feb. 2014.
  48. G.R. Jithamithra and B. Sundar Rajan,
    ''Minimizing the Complexity of Fast Sphere Decoding of STBCs,''
    IEEE Transactions on Wireless Communications, Vol.12, No.12, pp. 6142-6153, 2013.
  49. Lakshmi Prasad Natarajan and B. Sundar Rajan,
    ''Full-Rate, Full-Diversity, Finite Feedback Space-Time Schemes with Minimum Feedback and Transmission Duration,''
    IEEE Transactions on Wireless Communications, Vol.12, No.10, pp. 5022-5034, 2013.
  50. K. Pavan Srinath and B. Sundar Rajan,
    ''Improved Perfect Space-Time Block Codes,''
    IEEE Transactions on Information Theory, Vol. 59, No. 12, pp. 7927-7935, Dec. 2013.
  51. Lakshmi Prasad Natarajan and B. Sundar Rajan,
    ''Asymptotically-Good, Multigroup Decodable Space-Time Block Codes,''
    IEEE Transactions on Wireless Communications, Vol.12, No.10, pp. 5035-5047, 2013.
  52. Vishnu Namboodiri, Kiran Venugopal and B. Sundar Rajan,
    ''Physical Layer Network Coding for Two-Way Relaying with QAM ,''
    IEEE Transactions on Wireless Communications, Vol.12, No.10, pp. 5074-5086, 2013.
  53. 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 Transactions on Vehicular Technology, Vol.62, No.7, pp.3019-3038, 2013.
  54. Vijayvaradharaj T. Muralidharan, Vishnu Namboodiri and B. Sundar Rajan,
    ''Wireless Network-coded Bidirectional Relaying using Latin Squares for M-PSK Modulation,''
    IEEE Transactions on Information Theory, Vol. 59, No. 10, pp. 6683-6711, 2013.
  55. K. Pavan Srinath and B. Sundar Rajan,
    ''An Enhanced DMT-optimality Criterion for STBC-schemes for Asymmetric MIMO Systems,''
    IEEE Transactions on Information Theory, Vol.59, No.9, September 2013, pp.5944-5958.
  56. Lakshmi Prasad Natarajan, K. Pavan Srinath and B. Sundar Rajan,
    ''On the Sphere Decoding Complexity of High Rate Multigroup Decodable STBCs in Asymmetric MIMO Systems,''
    IEEE Transactions on Information Theory, Vol.59, No. 9, September 2013, pp.5959-5965.
  57. Vijayvaradharaj T. Muralidharan and B. Sundar Rajan,
    ''Wireless Network Coding for MIMO Two-way Relaying,''
    IEEE Transactions on Wireless Communications, Vol.12, No.7, July 2013, pp.3566-3577.
  58. Vijayvaradharaj T. Muralidharan and B. Sundar Rajan,
    ''Physical Layer Network Coding for the K-user Multiple Access Relay Channel,''
    IEEE Transactions on Wireless Communications, Vol.12, No.6, June 2013, pp.3107-3119.
  59. Lakshmi Prasad Natarajan and B. Sundar Rajan,
    ''Generalized Distributive Law for ML Decoding of Space-Time Block Codes,''
    IEEE Transactions on Information Theory, Vol. 59, No. 5, May 2013, pp.2914-2935.
  60. Vijayvaradharaj T. Muralidharan and B. Sundar Rajan,
    ''Performance Analysis of Adaptive Physical Layer Network Coding for Wireless Two-way Relaying,''
    IEEE Transactions on Wireless Communications.VOL.12, No.3, March 2013, pp. 1328-1339.
  61. Sudipta Kundu and B. Sundar Rajan,
    ''Adaptive Constellation Rotation Scheme for Two-user Fading MAC with Quantized Fade State Feedback,''
    IEEE Transactions on Wireless Communications, VOL.12, No.3, March 2013, pp. 1073-1083.
  62. J. Harshan and B. Sundar Rajan,
    ''A Novel Power Allocation Scheme for Two-User GMAC with Finite Input Constellations,''
    IEEE Transactions on Wireless Communications, VOL.12, NO.2, February 2013, pp. 818-827.
  63. Vijayvaradharaj T. Muralidharan and B. Sundar Rajan,
    ''Distributed Space Time Coding for Wireless Two-way Relaying,''
    IEEE Transactions on Signal Processing, Vol. 61, No.4, Feb. 15, 2013, pp. 980-991.
  64. Lakshmi Prasad Natarajan and B. Sundar Rajan,
    ''An Adaptive Conditional Zero-Forcing Decoder with Full-diversity, Least Complexity and Essentially-ML Performance for STBCs,''
    IEEE Transactions on Signal Processing, Vol.61, No.2, Jan. 15, 2013, pp. 253-263.
  65. G. Abhinav and B. Sundar Rajan,
    ''Two-User Gaussian Interference Channel with Finite Constellation Input and FDMA,''
    IEEE Transactions on Wireless Communications, VOL.11, NO.7, July 2012, pp. 2496-2507.
  66. Smarajit Das and B. Sundar Rajan,
    ''Low-delay, High-rate Non-square Complex Orthogonal Designs,''
    IEEE Transactions on Information Theory, VOL.58, NO.5, May 2012, pp. 2633-2647.
  67. 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 Journal of Selected Topics in Signal Processing: Special issue on Soft Detection for Wireless Transmission,
    VOL. 5, NO. 8, Dec. 2011, pp. 1497-1511.
  68. Lakshmi Prasad Natarajan and B. Sundar Rajan,
    ''Low ML Decoding Complexity STBCs via Codes over the Klein Group,''
    IEEE Transactions on Information Theory, Vol. 57, No. 9, Dec. 2011, pp. 7950-7971.
  69. K. Pavan Srinath and B. Sundar Rajan,
    ``A Low ML-decoding Complexity, Full-diversity, Full-rate MIMO Precoder,''
    IEEE Transactions on Signal Processing, VOL. 59, NO. 11, Nov. 2011, pp. 5485-5498.
  70. Lakshmi Prasad Natarajan and B. Sundar Rajan,
    ''Collocated and Distributed STBCs with Partial Interference Cancellation Decoding, Part I: Full-diversity criterion,''
    IEEE Transactions on Wireless Communications,, VOL. 10, NO. 9, September 2011, pp.3032-3041.
  71. Lakshmi Prasad Natarajan and B. Sundar Rajan,
    ''Collocated and Distributed STBCs with Partial Interference Cancellation Decoding, Part II: Code Construction,''
    IEEE Transactions on Wireless Communications,, VOL. 10, NO.9, September 2011, pp. 3042-3052.
  72. 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 Transactions on Communications, VOL. 59, NO. 11, November 2011, pp. 2955-2963.
  73. K. Pavan Srinath and B. Sundar Rajan,
    ``Generalized Silver Codes,''
    IEEE Transactions on Information Theory, Vol. 57, No. 9, Sept. 2011, pp. 6134-6147.
  74. J. Harshan, Are Hj{\o}rungnes and B. Sundar Rajan,
    ``Training-Symbol Embedded, High-Rate, Single-Symbol ML-Decodable, Distributed STBCs for Relay Networks,''
    IEEE Transactions on Information Theory, Vol. 57, No. 9, Sept. 2011, pp. 6157-6169.
  75. Sanjay Karmakar, K. Pavan Srinath and B. Sundar Rajan,
    ``Maximum Rate of Unitary-Weight, Single-Symbol Decodable STBCs,''
    IEEE Transactions on Information Theory, Vol. 57, No. 9, Dec. 2011, pp. 7972-7981.
  76. J. Harshan and B. Sundar Rajan,
    ``On Two-User Gaussian Multiple Access Channels with Finite Input Constellations,''
    IEEE Transactions on Information Theory, Vol. 57, No. 3, March 2011, pp.1299-1327.
  77. T.Dutta, N.Srinidhi, A. Chockalingam, and B. Sundar Rajan,
    ''Random-Restart Reactive Tabu Search Algorithm for Detection in Large-MIMO Systems,''
    IEEE Communications Letters, Volume: 14, Issue: 12, Pages: 1107-1109, Dec' 2010.
  78. G. Susinder Rajan and B. Sundar Rajan,
    ``Multi-group ML Decodable Collocated and Distributed Space Time Block Codes,''
    IEEE Transactions on Information Theory, Vol.56, No.7, July 2010, pp. 3221-3247.
  79. Harshan J. and B. Sundar Rajan,
    ``Distributed Space-Time Block Codes for Two-Hop Wireless Relay Networks,''
    Journal of Communications, Special issue on "Coding and Modulation for Cooperative Communications"
    Academy Publisher, Vol. 5, No. 4, April 2010, pp.282-296.
  80. K. Pavan Srinath and B. Sundar Rajan,
    ``Low ML-Decoding Complexity, Large Coding Gain, Full-Rate, Full-Diversity STBCs for 2x2 and 4x2 MIMO Systems,''
    IEEE Journal of Selected Topics in Signal Processing: Special issue on Managing Complexity in Multiuser MIMO Systems,
    Vol. 3, No. 6, Dec. 2009, pp. 916-927.
  81. 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 Journal of Selected Topics in Signal Processing: Special issue on Managing Complexity in Multiuser MIMO Systems,
    Vol. 3, No. 6, Dec. 2009, pp. 958-974.
  82. Sanjay Karmakar and B. Sundar Rajan,
    ``High-rate, Multi-Symbol-Decodable STBCs from Clifford Algebras,''
    IEEE Transactions on Information Theory, Vol. 55, No. 06, Jun. 2009, pp. 2682-2695.
  83. D. Sreedhar, A. Chockalingam, and B. Sundar Rajan,
    ''Single-Symbol ML Decodable Distributed STBCs for Partially-Coherent Cooperative Networks''
    IEEE Transactions on Wireless Communications, Vol. 8, No. 5, pp. 2672-2681, May 2009.
  84. Harshan J. and B. Sundar Rajan,
    ``High-Rate, Single-Symbol ML Decodable Precoded DSTBCs for Cooperative Networks,''
    IEEE Transactions on Information Theory, Vol. 55, No. 05, May. 2009, pp. 2004-2015.
  85. G. V. R. Muni Kumar and B. Sundar Rajan,
    ``Low PAPR square STBCs from Complex Partial-Orthogonal Designs (CPODs)''
    IEEE Transactions on Wireless Communications, Vol. 8, No. 5, pp. 2369-2378, May 2009.
  86. Harshan J. and B. Sundar Rajan,
    ``Co-ordinate Interleaved Distributed Space-Time Coding for Two-Antenna-Relays Networks,''
    IEEE Transactions on Wireless Communications, Vol. 8, No. 4, pp. 1783-1791, April 2009.
  87. G. Susinder Rajan and B. Sundar Rajan,
    ``Leveraging Coherent Distributed Space-Time Codes for Noncoherent Communication in Relay Networks via Training,''
    IEEE Transactions on Wireless Communications, Vol.8, No. 02, Feb. 2009, pp. 683-688.
  88. Smarajit Das and B. Sundar Rajan,
    ``Square Complex Orthogonal Designs with Low PAPR and Signaling Complexity,''
    IEEE Transactions on Wireless Communications, Vol.8, No. 01, Jan. 2009, pp. 204-213.
  89. Sanjay Karmakar and B. Sundar Rajan,
    ``Multigroup-Decodable STBCs from Clifford Algebras,''
    IEEE Transactions on Information Theory, Vol. 55, No. 01, Jan. 2009, pp. 223-231.
  90. V. Shashidhar, B. Sundar Rajan and P. Vijay Kumar,
    ``Asymptotic-Information-Lossless Designs and Diversity-Multiplexing tradeoff,''
    IEEE Transactions on Information Theory, Vol. 55, No. 01, Jan. 2009, pp. 255-268.
  91. Harshan J. and B. Sundar Rajan,
    ``A Non-differential Distributed Space-Time Coding for Partially-Coherent Cooperative Communication,''
    IEEE Transactions on Wireless Communications, Vol. 7, No. 11, Nov. 2008, pp.4076-4081.
  92. 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 Journal on Selected Areas in Communications, Vol.26, No.3, April 2008, pp.473-485.
  93. G. Susinder Rajan and B. Sundar Rajan,
    ``Algebraic Distributed Differential Space-Time Codes with Low Decoding Complexity,''
    IEEE Transactions on Wireless Communications, Vol. 7, No. 10, October 2008, pp.3962-3971.
  94. G. Susinder Rajan and B. Sundar Rajan,
    `` MMSE Optimal Algebraic Space-Time Codes,''
    IEEE Transactions on Wireless Communications, Vol.7, No.7, July 2008, pp.2468-2472.
  95. Kiran T. and B. Sundar Rajan,
    `` Partially-coherent distributed space-time codes with differential encoder and decoder,''
    IEEE Journal on Selected Areas in Communications: Special issue on Cooperative Communications and Networking,
    Vol.25, No.2, Feb. 2007, pp.426-433.
  96. V. Shashidhar, B. Sundar Rajan and B. A. Sethuraman,
    ``Information-Lossless Space-Time Block Codes from Crossed-Product Algebras,''
    IEEE Transactions on Information Theory, Vol.52, No.9, Sept., 2006, pp.3913-3935.
  97. Rahul Vaze and B. Sundar Rajan,
    ``On Space-Time Trellis codes achieving optimal diversity multiplexing tradeoff,''
    IEEE Transactions on Information Theory, Vol.52, No.11, Nov., 2006.
  98. Zafar Ali Khan and B. Sundar Rajan,
    ``Single-Symbol Maximum-Likelihood Decodable Linear STBCs,''
    IEEE Transactions on Information Theory, Vol.52, No.5, May 2006, pp.2062-2091.
  99. G.Viswanath and B. Sundar Rajan,
    "Matrix characterization of linear codes with arbitrary Hamming weight hierarchy,"
    Linear Algebra and its Applications , Vol.412, 2006, 396-407.
  100. Kiran T. and B. Sundar Rajan,
    ``STBC-schemes with non-vanishing determinant for certain number of transmit antennas,''
    IEEE Transactions on Information Theory, Vol.51, No.8, pp.2984-2992, August 2005.
  101. Bikash Kumar Dey and B. Sundar Rajan,
    "$F_q$-linear Cyclic Codes over $F_{q^m}$: DFT Approach,"
    Designs, Codes and Cryptography, Vol.34, No.1, pp.89-116, Jan. 2005.
  102. Bikash Kumar Dey and B. Sundar Rajan,
    ``Codes Closed under arbitrary Abelian Group of Permutations,''
    SIAM Journal of Discrete Mathematics, Vol.18, No.1, 2004, pp.1-18.
  103. Bikash Kumar Dey and B. Sundar Rajan,
    ``Affine Invariant Extended Cyclic Codes over Galois Rings,''
    IEEE Transactions on Information Theory, Vol.50, No.4, April. 2004, pp.691-698.
  104. Kiran T. and B. Sundar Rajan,
    ``Consta-Abelian Codes Over Galois Rings,''
    IEEE Transactions on Information Theory, Vol.50, No.2, Feb. 2004, pp.367-380.
  105. Md. Zafar Ali Khan and B. Sundar Rajan,
    ``A Generalization of some results on Orthogonal Designs for STBCs,''
    IEEE Transactions on Information Theory, Vol.50, No.1, January 2004, pp.218-219.
  106. B. A. Sethuraman, B. Sundar Rajan and V. Shashidhar,
    ``Full-diversity, High-rate Space-Time Block Codes from Division Algebras,''
    IEEE Transactions on Information Theory, Special Issue on Space-Time Transmission, Reception, Coding and Signal Design, Vol.49, No.10, October, 2003, pp.2596-2616.
  107. Kiran T. and B. Sundar rajan,
    ``Abelian Codes Over Galois Rings Closed Under Certain Permutations,''
    IEEE Transactions on Information Theory, Vol.49, No.9, September 2003, pp.2242-2253.
  108. Bikash Kumar Dey and B. Sundar Rajan,
    "DFT Domain Characterization of Quasi-Cyclic Codes,"
    Applicable Algebra in Engineering, Communication and Computing, Vol.13, pp.453-474, 2003, Springer-Verlag.
  109. G.Viswanath and B. Sundar Rajan,
    "A matrix characterization of Near-MDS codes,"
    ARS Combinatoria, , Vol.79, pp.289-294, 2006.
  110. B. Sundar Rajan and G. Viswanath
    "On Asymptotic Elias Bound for Euclidean Space Codes over Distance-Uniform Signal Sets,"
    IEICE Transactions on Fundamentals of Electronics, Communications and Computer Science ,
    Vol. E86-A, No.2, Feb. 2003, pp.480-486.
  111. Priti Shankar, Amitava Dasgupta, Kaustubh Deshmukh and B. Sundar Rajan,
    ``On Viewing Block Codes as Finite Automata,''
    Journal of Theoretical Computer Science, Vol.290, 2003, pp.1775-1797.
  112. B. Sundar Rajan and Moon Ho Lee,
    "Quasi-Cyclic Dyadic Codes in the Walsh-Hadamard Transform Domain,"
    IEEE Transactions on Information Theory Vol.48, No.8, Aug.2002, pp.2406-2412.
  113. B. Sundar Rajan, L. Venkata Subramaniam and R. Bahl,
    "Gilbert-Varshamov Bound for Euclidean Space Codes over Distance-Uniform Signal Sets,"
    IEEE Transacftions on Information Theory Vol.48, No.2, Feb. 2002, pp.537-546.
  114. M. H. Lee, B. Sundar Rajan and J. Y. Park,
    "A Generalized Reverse Jacket Transform,"
    IEEE Transactions on Circuits and Systems-II:Analog and Digital Signal Processing,
    Vol.48, No.7, July 2001, pp.684-690.
  115. L. Venkata Subramaniam, B. Sundar Rajan and R. Bahl,
    "Performance of 4 and 8-state TCM Schemes with Asymmetric 8-PSK in fading channels,"
    IEEE Transactions on Vehicular Technology, Vol.49(1), Jan.2000, pp.211-219.
  116. T. V. Selvakumaran and B. Sundar Rajan,
    "Block Coded modulation using two-level group codes over generalized Quaternion groups,"
    IEEE Transactions on Information Theory, Vol.45, No.1, 1999, pp.365-372.
  117. J. Bali and B. Sundar Rajan,
    "Block coded PSK modulation using two-level group codes over dihedral groups",
    IEEE Transactions on Information Theory, Vol.44, No.4, July 1998, pp.1620-31.
  118. A. A. Zain and B. Sundar Rajan,
    "Quasideterminant characterization of MDS group codes over Abelian groups,"
    Designs, Codes and Cryptography, Kluwer Academic Publishers, Vol.13, No.3,1998, pp.313-330.
  119. A. A. Zain and B. Sundar Rajan,
    "Dual Codes of Systematic Group Codes over Abelian Groups,"
    Applicable Algebra in Engineering, Communication and Computing, Springer-Verlag, Vol.8, No.1, 1997, pp.71-83.
  120. V. V. Vazirani, Huzur Saran and B. Sundar Rajan,
    "An efficient algorithm for constructing minimal trellises for codes over finite abelian groups,"
    IEEE Transactions on Information Theory, (Special issue on Coding and Complexity), Vol.42, No.6, 1996, pp.1839-1854.
  121. A. A. Zain and B. Sundar Rajan,
    "Algebraic Characterization of MDS Group Codes over Cyclic Groups,"
    IEEE Transactions on Information Theory, Vol.41, No.6, 1995, pp.2052-2090.
  122. B. Sundar Rajan and M. U. Siddiqi,
    "A Generalized DFT for Abelian Codes over $Z_m$,"
    IEEE Transactions on Information Theory, Vol.40, No.6, 1994, pp.2082-2090.
  123. B. Sundar Rajan and M. U. Siddiqi,
    "Transform Domain Characterization of Cyclic Codes over $Z_m$,"
    Applicable Algebra in Engineering, Communication and Computing, Springer-Verlag, Vol.5, No.5, 1994, pp.261-275.
  124. B. Sundar Rajan and M. U. Siddiqi,
    "Transform Decoding of BCH Codes over $Z_m$,"
    International Journal of Electronics, Vol.75, No.6, 1993, pp.1043-1054.
  125. B. Sundar Rajan and M. U. Siddiqi,
    "Transform Domain Characterization of Abelian Codes,"
    IEEE Transactions on Information Theory, Vol.38, No.6, Nov.1992, pp.1817-1821.

    (b) Publications in LNCS (Lecture Notes in Computer Science):

  126. Bikash Kumar Dey and B. Sundar Rajan,
    ``$F_q$-linear codes over $F_{q^m}$: Transform Approach,''
    2001 AAECC-14 Symposium (Applied Algebra, Algorithms, and Error Correcting Codes), RMIT University, Melbourne, Australia, Nov.26-30, 2001.
    Lecture Notes in Computer Science, LNCS Vol. 2227, pp.67-76.
  127. Priti Shankar, K. Sasidharan, Vikas Aggarwal and B. Sundar Rajan,
    "A Package for the Implementation of Block Codes as Finite Automata,"
    Proc. International Conference on Implementation and Application of Automata (CIAA 2000), July 24-25, Ontario, Canada.
    Lecture Notes in Computer Science, LNCS Vol. 2088, pp.279-292.
  128. Kaustubh Deshmuck, Priti Shankar, Amitava Das Gupta and B. Sundar Rajan,
    "On the Many Faces of Block Codes,"
    Proceedings: STACS 2000, 17th International Symposium on Theoretical Aspects of Computer Science, Feb. 17-19, Lille-France, 2000,
    Lecture Notes in Computer Science, LNCS Vol. 1770, pp.53-64.
  129. Priti Shankar, P. N. A. Kumar, Harmeet Singh and B. Sundar Rajan,
    "Minimal Tail-Biting trellises for certain block codes are easy to construct,"
    The 28th International Colloquium on Aotomata, Languages and Programming, (ICALP 2001), Crete, Greece, July 8-12, 2001.
    Lecture Notes in Computer Science, LNCS Vol.2076, pp.627-638.

    (c) Publications in National Journals:

  130. J. Bali and B. Sundar Rajan,
    "Rotational Invariance of Two-Level Group Codes over Dihedral and Dicyclic Groups,"
    Sadhana, Academy Proceedings in Engineering Science, Indian Academy of Sciences, Vol.23(99), Part-I, Feb.1998, pp.45-56.
  131. Paul P, Pradeep CR and B. Sundar Rajan,
    ``On the PAPR of cosets of linear codes,''
    Indian Journal of Pure \& Applied Mathematics, Volume: 39, Issue: 1, Pages: 69-86, Feb. 2008.