DATA STORAGE

A. Machireddy, P. Gowgi and S. S. Garani, “Extracting Temporal Correlations Using Hierarchical Spatio-Temporal Feature Maps”, in IEEE Int. Joint Conf. on Neural Networks (IJCNN) (accepted).
P. J. Nadkarni and S. S. Garani, “Quantum error correction architecture for qudit stabilizer codes”, accepted in Physical Review A.
P. J. Nadkarni and S. S. Garani, “Entanglement-assisted Reed-Solomon codes over qudits: theory and architecture,” Quantum Information Pro-cessing, vol. 20, no. 4, p. 129, Apr. 2021.
P. Gowgi, A. Machireddy, and S. S. Garani, “Spatiotemporal memories for missing samples reconstruction,”IEEE Transactions on Neural Networks and Learning Systems, pp. 1–15, 2021.
V. A. Rameshwar, A. M. Reghu, and N. Kashyap, “On the capacity of the flash memory channel with feedback,” in2020 International Symposiumon Information Theory and Its Applications (ISITA), 2020, pp. 11–15.
A. Mondal and S. S. Garani, “Efficient hardware architectures for 2-d bch codes in the frequency domain for two-dimensional data storage applications,” IEEE Transactions on Magnetics, vol. 57, no. 5, pp. 1–14, 2021.
P. J. Nadkarni and S. S. Garani, “Encoding of nonbinary entanglement-unassisted and assisted stabilizer codes,”IEEE Transactions on Quantum Engineering, vol. 2, pp. 1–22, 2021.
P. J. Nadkarni, A. Raina, and S. S. Garani, “Modified graph-state codes for single-node recovery in quantum distributed storage,” Phys. Rev. A, vol. 102, p. 062430, Dec 2020
S. C. Bobbili, S. Bhambay, and P. Parag, “Variable length differential encoding for real-time status updates,” IEEE Commun. Lett., vol. 25, no. 4, pp. 1129–1133, 2021.
A. K and K. Gopinath, “Need for a deeper cross-layer optimization for dense NAND SSD to improve read performance of big data applications: A case for melded pages,” in 12th USENIX Workshop on Hot Topics in Storage and File Systems, HotStorage 2020, July 13-14, 2020, A. Badam and V. Chidambaram, Eds. USENIX Association, 2020.
P. Gowgi and S. S. Garani, “Hessian-based bounds on learning rate for gradient descent algorithms,” in 2020 International Joint Conference on Neural Networks (IJCNN), 2020, pp. 1–8.
S. C. Bobbili, S. Bhambay, and P. Parag, “Variable length differential encoding for real-time status updates,” IEEE Commun. Lett., vol. 25, no. 4, pp. 1129–1133, 2021.
A. Mondal and S. S. Garani, “Efficient hardware design architectures for bch product codes in the frequency domain,” in 2020 IEEE 63rd International Midwest Symposium on Circuits and Systems (MWSCAS), 2020, pp. 703–706.
P. J. Nadkarni and S. S. Garani, “Coding analog of superadditivity using entanglement-assisted quantum tensor product codes over Fpk ,” IEEE Transactions on Quantum Engineering, vol. 1, pp. 1–17, 2020.
R. Bitar, P. Parag, and S. E. Rouayheb, “Minimizing latency for secure coded computing using secret sharing via staircase codes,” IEEE Trans. Commun., vol. 68, no. 8, pp. 4609–4619, 2020.
A. Badita, P. Parag, and V. Aggarwal, “Sequential addition of coded sub-tasks for straggler mitigation,” in 39th IEEE Conference on Computer Communications, INFOCOM 2020, Toronto, ON, Canada, July 6-9, 2020. IEEE, 2020, pp. 746–755.
V. Ramkumar, M. Vajha, M. N. Krishnan, and P. V. Kumar, “Staggered diagonal embedding based linear field size streaming codes,” in IEEE International Symposium on Information Theory, ISIT 2020, Los Angeles, CA, USA, June 21-26, 2020. IEEE, 2020, pp. 503–508.
A. K. K. S., C. Singh, S. T. Maguluri, and P. Parag, “Optimal pricing in finite server systems,” in 18th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks, WiOPT 2020, Volos, Greece, June 15-19, 2020. IEEE, 2020, pp. 1–8.
V. A. Rameshwar and N. Kashyap, “Computable lower bounds for capacities of input-driven finite-state channels,” in 2020 IEEE International Symposium on Information Theory (ISIT), 2020, pp. 2002–2007
A. Badita, P. Parag, and V. Aggarwal, “Optimal server selection for straggler mitigation,” IEEE/ACM Trans. Netw., vol. 28, no. 2, pp. 709–721, 2020.
M. N. Krishnan, D. Shukla, and P. V. Kumar, “Rate-optimal streaming codes for channels with burst and random erasures,” IEEE Transactions on Information Theory, vol. 66, no. 8, pp. 4869–4891, 2020
P. Mayekar, P. Parag, and H. Tyagi, “Optimal source codes for timely updates,” IEEE Trans. Inf. Theory, vol. 66, no. 6, pp. 3714–3731, 2020.
S. K. Hanna, R. Bitar, P. Parag, V. Dasari, and S. E. Rouayheb, “Adaptive distributed stochastic gradient descent for minimizing delay in the presence of stragglers,” in 2020 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2020, Barcelona, Spain, May 4-8, 2020. IEEE, 2020, pp. 4262–4266.
A. Raina and S. S. Garani, “Quantum channels over graph states using generalized measurement-based quantum computation framework,” Quantum Inf. Process., vol. 19, no. 3, p. 94, 2020.
A. Raina, P. J. Nadkarni, and S. S. Garani, “Recovery of quantum information from a node failure in a graph,” Quantum Inf. Process., vol. 19, no. 2, p. 70, 2020.
B. S. Babu, G. R. Kini, and P. V. Kumar, “A tight rate bound and matching construction for locally recoverable codes with sequential recovery from any number of multiple erasures,” IEEE Trans. Inf. Theory, vol. 66, no. 2, pp. 1023–1052, 2020.
M. Nikhil Krishnan, V. Ramkumar, M. Vajha, and P. Vijay Kumar, “Simple streaming codes for reliable, low-latency communication,” IEEE Communications Letters, vol. 24, no. 2, pp. 249–253, 2020.
A. Gunasekaran, N. C. Jose, and S. Srinivasa Garani, “An optimized bch decoder design architecture for adaptive m-ary recording channels,” in 2019 IEEE 62nd International Midwest Symposium on Circuits and Systems (MWSCAS), 2019, pp. 710–713.
M. N. Krishnan, D. Shukla, and P. V. Kumar, “A quadratic field-size rateoptimal streaming code for channels with burst and random erasures,” in 2019 IEEE International Symposium on Information Theory (ISIT), 2019, pp. 852–856.
A. Machireddy and S. S. Garani, “Guessing the code: Learning encoding mappings using the back propagation algorithm,” in 2019 International Joint Conference on Neural Networks (IJCNN), 2019, pp. 1–8.
P. J. Nadkarni and S. S. Garani, “Photonic architecture of entanglement assisted binary quantum tensor product codes,” in Frontiers in Optics + Laser Science APS/DLS. Optical Society of America, 2019, p. JTu4A.99.
V. Ramkumar and P. V. Kumar, “Coded mapreduce schemes based on placement delivery array,” in 2019 IEEE International Symposium on Information Theory (ISIT), 2019, pp. 3087–3091.
M. Vajha, V. S. Chaitanya Mukka, and P. Vijay Kumar, “Backtracking and look-ahead decoding algorithms for improved successive cancellation decoding performance of polar codes,” in 2019 IEEE International Symposium on Information Theory (ISIT), 2019, pp. 31–35.
A. Badita, P. Parag, and J. Chamberland, “Latency analysis for distributed coded storage systems,” IEEE Trans. Inf. Theory, vol. 65, no. 8, pp. 4683–4698, 2019.
A. Raina and S. S. Garani, “Recovery from an eavesdropping attack on a qubit of a graph state,” Quantum Inf. Process., vol. 18, no. 9, p. 274, 2019.
S. Poojary, S. Bhambay, and P. Parag, “Real-time status updates for markov source,” IEEE Trans. Inf. Theory, vol. 65, no. 9, pp. 5737–5749, 2019.
A. Heidarzadeh, J. Chamberland, R. D. Wesel, and P. Parag, “A systematic approach to incremental redundancy with application to erasure channels,” IEEE Trans. Commun., vol. 67, no. 4, pp. 2620–2631, 2019.
S. Bhambay, S. Poojary, and P. Parag, “Fixed length differential encoding for real-time status updates,” IEEE Trans. Commun., vol. 67, no. 3, pp. 2381–2392, 2019.
Book: Suparna Bhattacharya, K. Gopinath, Doug Voigt, “Resource Proportional Software Design for Emerging Systems,” CRC Press, expected 1st quarter of 2020.
B. Huleihel, O. Sabag, H.H. Permuter, N. Kashyap, and S. Shamai,“Computable upper bounds on the capacity of finite-state channels,”submitted to IEEE Trans. Inform. Theory, Nov. 2019.
S. Roy and S. S. Garani, “Two-Dimensional Algebraic codes for Multiple Burst Error Correction”, IEEE Comm. Letters, vol. 23, no. 10, pp. 1684-1687, Oct. 2019.
N. Prakash, V. Lalitha, S. B. Balaji and P. Vijay Kumar, “Codes with Locality for Two Erasures,” IEEE Trans. Inform. Theory, (early access), Aug. 2019.
M. Nikhil Krishnan, Myna Vajha, Vinayak Ramkumar, Birenjith Sasidharan, S. B. Balaji, P. Vijay Kumar, “Erasure Coding for Big Data,” Advanced Computing and Communications, Volume 3, Issue 1, March 2019, pp. 1-6 (tutorial overview article).
S. Roy, A. Mondal and S. S. Garani, “A Fast and Efficient Two-Dimensional Chien Search Algorithm and Design Architecture”, IEEE. Comm. Letters, vol. 23, no. 1, pp. 16-19, Jan. 2019.
N. Kashyap, R.M. Roth and P.H. Siegel, “The Capacity of Count-Constrained ICI-Free Systems,” in Proc. 2019 IEEE Int. Symp. Inform. Theory (ISIT 2019).
N. Raveendran, S. S. Garani and B. Vasic, “An Improved Log-domain Belief Propagation Algorithm Over Graphs With Short Cycles”, in Intl. Telemetry Conf., Las Vegas, 2019.
Balaji S B, M. Nikhil Krishnan, Myna Vajha, Vinayak Ramkumar, Birenjith Sasidharan, P. Vijay Kumar, ``Erasure coding for distributed storage: an overview,'' Sci China Inf Sci, vol. 61, October 2018, pp. 1-45 (invited survey).
Ajinkya Rajput and K. Gopinath, "Analysis of Newer Aadhaar Privacy Models," ICISS 2018.
Priyanka Singla, Shubhankar Suman Singh, K. Gopinath and Smruti Sarangi, “Probabilistic Sequential Consistency in Social Networks,” in HiPC 2018.
C. K. Matcha, S. S. Garani, “2D Linear Detector Based on Generalized Belief Propagation Algorithm", in Annual Allerton Conference on Communication, Control, and Computing (Allerton), Oct. 2018.
A. B. Nair, A. Mondal and S. S. Garani, “A Low-complexity Hardware AWGN Channel Emulator on FPGA using Central Limit Theorem” in IEEE Int. Midwest Symp. on Circuits and Syst, Windsor, Canada, Aug. 2018.
O. Sabag, H. Permuter and N. Kashyap, “Feedback capacity and coding for the BIBO channel with a no-repeated-ones input constraint”, IEEE Trans. Inform. Theory, vol. 64, no. 7, pp. 4940-4961, July 2018.
K. V. Rashmi, Nihar B. Shah, Kannan Ramchandran, P. Vijay Kumar: Information-Theoretically Secure Erasure Codes for Distributed Storage. IEEE Trans. Information Theory 64(3) March 2018.
S. S. Garani, L. Dolecek, J. Barry, F. Sala and B. Vasic, “Signal Processing and Coding Techniques for 2-D Magnetic Recording: An Overview”, in Proc. of the IEEE., vol. 106, no. 2, pp. 286-318, Feb. 2018.
P. Parag and J.-F. Chamberland. Novel latency bounds for distributed coded storage. Information Theory and Applications Workshop (ITA), San Diego, CA, Feb 11-16, 2018. ieeexlpore. paper. slides.
A. Mondal, S. Thatimattala, V. K. Yalamaddi and S. S. Garani, “Efficient Coding Architectures for Reed-Solomon and Low-Density Parity-Check Decoders for Magnetic and Other Data Storage Systems,” in IEEE. Trans. Magn., vol. 54, no. 2, pp. 1-15, Feb. 2018.
C. K. Matcha, S. Roy, M. Bahrami, B. Vasic and S. S. Garani, “2D LDPC Codes and Joint Detection and Decoding for Two-Dimensional Magnetic Recording,” IEEE. Trans. Magn., vol. 54, no. 2, Feb. 2018.
C. K. Matcha, S. Roy, M. Bahrami, B. Vasic and S. G. Srinivasa, “2D LDPC Codes and Joint Detection and Decoding for Two-Dimensional Magnetic Recording”, (2 page abstract) IEEE The Magn. Rec. Conf. (TMRC), Tsukuba, Japan, Aug. 2017. (Travel Award: IEEE Magn. Soc. Student Travel Grant.)
A. Dey, S. Jose, K. Varghese and S. G. Srinivasa, “A High-Throughput Clock-less Architecture for Soft-Output Viterbi Detection”, in IEEE International Midwest Symposium on Circuits and Systems, Boston, USA, Aug. 2017.
R. Bitar, P. Parag, S. El Rouayheb. Minimizing Latency for Secure Distributed Computing. IEEE International Symposium on Information Theory (ISIT), Aachen, Germany, June 25-30, 2017. ieeexplore. paper. slides.
P. Parag, A. Bura, and J.-F. Chamberland. Latency Analysis for Distributed Storage. IEEE Conference on Computer Communications (INFOCOM), Atlanta, GA, May 1-4, 2017. ieeexlpore. paper. slides.
Ajinkya Rajput and K. Gopinath, "Towards a more secure Aadhaar," ICISS 2017
C. K. Matcha and S. S. Garani, “Joint Timing Recovery and Signal Detection for Two-Dimensional Magnetic Recording,” IEEE. Trans. Magn., vol. 53, no. 2, Feb. 2017.
Lan Zhou, Vijay Varadharajan, K. Gopinath, ``A Secure Role-based Cloud Storage System for Encrypted Patient Centric Health Records,'' Computer Journal, 2016.
Birenjith Sasidharan, N. Prakash, M. Nikhil Krishnan, Myna Vajha, Kaushik Senthoor and P. Vijay Kumar: Outer Bounds on the Storage-Repair Bandwidth Tradeoff of Exact-Repair Regenerating Codes. International Journal of Information and Coding Theory, Special Issue on “Information and Coding Theory for Data Storage” (2016)
A. Das and N. Kashyap, “MCMC methods for drawing random samples from the discrete-grains model of a magnetic medium”, IEEE J. Sel. Areas Commun., vol. 34, no. 9, pp. 2430-2438, Sept. 2016.
C. K. Matcha, M. Bahrami, S. Roy, S. G. Srinivasa and B. Vasic, “Generalized Belief Propagation Based TDMR Detector and Decoder,” in IEEE. Proc. Intl. Symp. Inform. Theory, Barcelona, Spain, July 2016.
E. Modak, B. Reddy and S. G. Srinivasa, ”Optimum Timing Interpolation Algorithm for 2-D Magnetic Recording Systems” in IEEE Natl. Conf. Comm., Guwahati, India, Mar. 2016.
S. Datta, K. Varghese and S. G. Srinivasa, ”A Non-uniformly Quantized High Throughput Soft Output Viterbi Detector on FPGA,” in IEEE Proc. VLSI, Kolkata, India, Jan. 2016.
O. Sabag, H.H. Permuter and N. Kashyap, “The feedback capacity of the binary erasure channel with a no-consecutive-ones input constraint”, IEEE Trans. Inform. Theory, vol. 62, no. 1, pp. 8-22, Jan. 2016.
S. Roy and S. G. Srinivasa, “Two Dimensional Error-Correcting Codes using Finite Field Fourier Transform”, in IEEE Inf. Theory Work., ITW, Jeju Island, Oct. 2015.
C.L. Chan, M. Jafari Siavoshani, S. Jaggi, N. Kashyap, and P.O. Vontobel, “Generalized belief propagation for estimating the partition function of the 2D Ising model”, in Proc. 2015 IEEE Int. Symp. Inf. Theory (ISIT 2015), Hong Kong, China, June 2015.
N. Kashyap and G. Zémor, “Upper bounds on the size of grain-correcting codes”, IEEE Trans. Inform. Theory, vol. 60, no. 8, pp. 4699-4709, Aug. 2014.
Chao Tian, Birenjith Sasidharan, Vaneet Aggarwal, Vinay A. Vaishampayan, P. Vijay Kumar: Layered Exact-Repair Regenerating Codes via Embedded Error Correction and Block Designs. IEEE Trans. Information Theory 61(4): 1933-1947 (2015)
Govinda M. Kamath, N. Prakash, V. Lalitha, P. Vijay Kumar: Codes With Local Regeneration and Erasure Correction. IEEE Trans. Information Theory 60(8): 4637-4660 (2014).
S. G. Srinivasa, Y. Chen and S. Dahandeh “A communication-theoretic framework for TDMR channel modeling: Performance evaluation of coding and signal processing methods,” in IEEE. Trans. Magn., Mar. 2014.
Y. Chen and S. G. Srinivasa “Joint Self-Iterating Equalization and Detection for Two-Dimensional Intersymbol-Interference Channels,” in IEEE. Trans. Comm., vol. 61, no. 8, pp. 3219-3230, Aug. 2013.
Shivkumar K.M. and N. Kashyap, “On 2-D non-adjacent-error channel models”, in Proc. 2013 Information Theory Workshop (ITW 2013), Seville, Spain, Sept.~2013.
S. G. Srinivasa, “Holographic Imaging: Information Recording and Retrieval,” Jour. Ind. Inst. Sci., vol. 93, no. 1, pp. 35-46, Mar. 2013. (Invited review article).
S. G. Srinivasa, O. Momtahan, A. Karbaschi, S. W. McLaughlin, F. Fekri and A. Adibi, “Volumetric Storage Limits and Space.
Shivkumar K.M. and N. Kashyap, “On 2-D non-adjacent-error channel models”, in Proc. 2013 Information Theory Workshop (ITW 2013), Seville, Spain, Sept.~2013.
Nihar B. Shah, K. V. Rashmi, P. Vijay Kumar, Kannan Ramchandran: Distributed Storage Codes With Repair-by-Transfer and Nonachievability of Interior Points on the Storage-Bandwidth Tradeoff. IEEE Trans. Information Theory 58(3): 1837-1852 (2012).
Nihar B. Shah, K. V. Rashmi, P. Vijay Kumar, Kannan Ramchandran: Interference Alignment in Regenerating Codes for Distributed Storage: Necessity and Code Constructions. IEEE Trans. Information Theory 58(4): 2134-2158 (2012).
A. Mazumdar, A. Barg and N. Kashyap, “Coding for high-density recording on a 1-D granular magnetic medium”, IEEE Trans. Inform. Theory, vol. 57, no. 11, pp. 7403-7417, Nov. 2011.
K. V Rashmi, Nihar B. Shah, P. Vijay Kumar: Optimal Exact-Regenerating Codes for Distributed Storage at the MSR and MBR Points via a Product-Matrix Construction. IEEE Trans. Information Theory 57(8): 5227-5239 (2011).
Lawrence L. You, Kristal T. Pollack, Darrell D.E. Long, K. Gopinath, "PRESIDIO: A Framework for Efficient Archival Data Storage," ACM Transactions on Storage, Vol 7,2, Jul 2011.
Neeraja J. Yadwadkar, Chiranjib Bhattacharyya, K. Gopinath, Thirumale Niranjan, Sai Susarla, "Discovery of Application Workloads from Network File Traces," 8th USENIX Conference on File and Storage Technologies (FAST '10), Feb 2010.
K. Gopinath, Jon Elerath, Darrell Long, "Reliability Modelling of Disk Subsystems with Probabilistic Model Checking," presented at Dagstuhl Seminar on "Quantative and Qualitative Analysis of Network Protocols", Jan 2010.