Department of Engineering

Dr Ramji Venkataramanan - Publications

Number of items: 72.

Article

Hsieh, K and Venkataramanan, R (2021) Modulated sparse superposition codes for the complex AWGN channel. IEEE Transactions on Information Theory, 67. pp. 4385-4404. ISSN 0018-9448

Abroshan, M and Venkataramanan, R and Fabregas, AGI (2021) Multilayer Codes for Synchronization from Deletions and Insertions. IEEE Transactions on Information Theory, 67. pp. 3342-3359. ISSN 0018-9448

Rush, C and Hsieh, K and Venkataramanan, R (2021) Capacity-achieving Spatially Coupled Sparse Superposition Codes with AMP Decoding. IEEE Transactions on Information Theory. p. 1. ISSN 0018-9448

Rush, C and Venkataramanan, R (2019) The Error Probability of Sparse Superposition Codes with Approximate Message Passing Decoding. IEEE Transactions on Information Theory, 65. pp. 3278-3303. ISSN 0018-9448 (Unpublished)

Rush, C and Venkataramanan, R (2019) The Error Probability of Sparse Superposition Codes With Approximate Message Passing Decoding. IEEE Trans. Inf. Theory, 65. pp. 3278-3303.

Abroshan, M and Venkataramanan, R and Fabregas, AGI (2018) Efficient Systematic Encoding of Non-binary VT Codes. IEEE International Symposium on Information Theory - Proceedings, 2018-J. pp. 91-95. ISSN 2157-8095

Srinath, P and Venkataramanan, R (2018) Empirical Bayes Estimators for High-Dimensional Sparse Vectors. Information and Inference: A Journal of the IMA, 9. pp. 195-234.

Rush, C and Venkataramanan, R (2018) Finite Sample Analysis of Approximate Message Passing Algorithms. IEEE Transactions on Information Theory, 64. pp. 7264-7286. ISSN 0018-9448

Srinath, KP and Venkataramanan, R (2018) Cluster-Seeking James-Stein Estimators. IEEE Trans. Inf. Theory, 64. pp. 853-874.

Abroshan, M and Venkataramanan, R and Fabregas, AGI (2018) Coding for Segmented Edit Channels. IEEE Trans. Inf. Theory, 64. pp. 3086-3098.

Abroshan, M and Venkataramanan, R and Guillen i Fabregas, A (2017) Codes for channels with segmented edits. IEEE Transactions on Information Theory, 64. pp. 3086-3098. ISSN 0018-9448

Srinath, KP and Venkataramanan, R (2017) Cluster-Seeking James-Stein Estimators. IEEE Transactions on Information Theory, 64. pp. 853-874.

Rush, C and Greig, A and Venkataramanan, R (2017) Capacity-Achieving Sparse Superposition Codes via Approximate Message Passing Decoding. IEEE Trans. Inf. Theory, 63. pp. 1476-1500.

Venkataramanan, R and Johnson, O (2017) Strong converse bounds for high-dimensional estimation. CoRR, abs/17.

Koteshwar Srinath, P and Venkataramanan, R (2016) Cluster-Seeking Shrinkage Estimators. 2016 IEEE International Symposium on Information Theory (ISIT). pp. 845-849.

Rush, C and Greig, A and Venkataramanan, R (2016) Capacity-achieving Sparse Superposition Codes via Approximate Message Passing Decoding. IEEE Transactions on Information Theory, 63. pp. 1476-1500.

Rush, C and Venkataramanan, R (2016) Finite-sample analysis of Approximate Message Passing. ISIT. pp. 755-759.

Venkataramanan, R and Swamy, VN and Ramchandran, K (2015) Low-Complexity Interactive Algorithms for Synchronization from Deletions, Insertions, and Substitutions. IEEE Transactions on Information Theory, vol. 61, no. 10, pp. 5670-5689, October 2015, 61. pp. 5670-5689. ISSN 0018-9448 (Unpublished)

Venkataramanan, R and Tatikonda, S and Lastras, L and Franceschini, M (2014) Rewritable storage channels with hidden state. IEEE Journal on Selected Areas in Communications, vol. 32, no. 5, pp. 815-824, May 2014, 32. pp. 815-824. ISSN 0733-8716 (Unpublished)

Venkataramanan, R and Joseph, A and Tatikonda, S (2014) Lossy compression via sparse linear regression: Performance under minimum-distance encoding. IEEE Transactions on Information Theory, 60. pp. 3254-3264. ISSN 0018-9448

Venkataramanan, R and Tatikonda, S (2014) The Gaussian Rate-Distortion Function of Sparse Regression Codes with Optimal Encoding. CoRR, abs/14.

Venkataramanan, R and Sarkar, T and Tatikonda, S (2014) Lossy Compression via Sparse Linear Regression: Computationally Efficient Encoding and Decoding. IEEE Trans. Inf. Theory, 60. pp. 3265-3278.

Venkataramanan, R and Pradhan, SS (2013) An Achievable Rate Region for the Broadcast Channel with Feedback. IEEE Transactions on Information Theory, 59. pp. 6175-6191.

Venkataramanan, R and Pradhan, SS (2013) An Achievable Rate Region for the Broadcast Channel With Feedback. IEEE Trans. Inf. Theory, 59. pp. 6175-6191.

Venkataramanan, R and Tatikonda, S and Ramchandran, K (2013) Achievable Rates for Channels With Deletions and Insertions. IEEE Trans. Inf. Theory, 59. pp. 6990-7013.

Venkataramanan, R and Swamy, VN and Ramchandran, K (2013) Efficient Interactive Algorithms for File Synchronization under General Edits. CoRR, abs/13.

Venkataramanan, R and Tatikonda, S and Lastras, LA and Franceschini, M (2012) Coding strategies for the uniform noise rewritable channel with hidden state. CoRR, abs/12.

Venkataramanan, R and Joseph, A and Tatikonda, S (2012) Gaussian Rate-Distortion via Sparse Regression over Compact Dictionaries. CoRR, abs/12.

Venkataramanan, R and Sarkar, T and Tatikonda, S (2012) Lossy Compression via Sparse Linear Regression: Computationally Efficient Encoding and Decoding. CoRR, abs/12.

Venkataramanan, R and Tatikonda, S (2012) Sparse Regression Codes for Multi-terminal Source and Channel Coding. CoRR, abs/12.

Venkataramanan, R and Tatikonda, S and Ramchandran, K (2011) Achievable Rates for Channels with Deletions and Insertions. CoRR, abs/11.

Venkataramanan, R and Pradhan, SS (2011) Achievable Rates for Multiple Descriptions With Feed-Forward. IEEE Trans. Inf. Theory, 57. pp. 2270-2277.

Venkataramanan, R and Pradhan, SS (2011) A New Achievable Rate Region for the Multiple-Access Channel With Noiseless Feedback. IEEE Trans. Inf. Theory, 57. pp. 8038-8054.

Venkataramanan, R and Pradhan, SS (2010) On Computing the Feedback Capacity of Channels and the Feed-Forward Rate-Distortion Function of Sources. IEEE Trans. Commun., 58. pp. 1889-1896.

Venkataramanan, R and Pradhan, SS (2007) Source Coding With Feed-Forward: Rate-Distortion Theorems and Error Exponents for a General Source. IEEE Trans. Inf. Theory, 53. pp. 2154-2179.

Venkataramanan, R and Prabhu, KMM (2006) Estimation of frequency offset using warped discrete-Fourier transform. Signal Process., 86. pp. 250-256.

Mondelli, M and Venkataramanan, R Approximate Message Passing with Spectral Initialization for Generalized Linear Models. (Unpublished)

Heidari, M and Pradhan, SS and Venkataramanan, R Boolean Functions with Biased Inputs: Approximation and Noise Sensitivity. (Unpublished)

Srinath, P and Venkataramanan, R Empirical Bayes Estimators for High-Dimensional Sparse Vectors. (Unpublished)

Hsieh, K and Rush, C and Venkataramanan, R Near-Optimal Coding for Many-user Multiple Access Channels. (Unpublished)

Mondelli, M and Thrampoulidis, C and Venkataramanan, R Optimal Combination of Linear and Spectral Estimators for Generalized Linear Models. (Unpublished)

Mondelli, M and Venkataramanan, R PCA Initialization for Approximate Message Passing in Rotationally Invariant Models. (Unpublished)

Venkataramanan, R and Tatikonda, S The Rate-Distortion Function and Excess-Distortion Exponent of Sparse Regression Codes with Optimal Encoding. IEEE Transactions on Information Theory, Vol. 63, no. 8, pp. 5228-5243 (August 2017). (Unpublished)

Venkataramanan, R and Tatikonda, S and Barron, A Sparse Regression Codes. Foundations and Trends in Communications and Information Theory, 15. pp. 1-2. (Unpublished)

Hsieh, K and Rush, C and Venkataramanan, R Spatially Coupled Sparse Regression Codes: Design and State Evolution Analysis. (Unpublished)

Greig, A and Venkataramanan, R Techniques for improving the finite length performance of sparse superposition codes. IEEE Transactions on Communications. (Unpublished)

Venkataramanan, R and Johnson, O A strong converse bound for multiple hypothesis testing, with applications to high-dimensional estimation. Electronic Journal of Statistics, 12. 1-. (Unpublished)

Venkataramanan, R and Johnson, O A strong converse bound for multiple hypothesis testing, with applications to high-dimensional estimation. Electronic Journal of Statistics, 12. pp. 1126-1149. (Unpublished)

Feng, OY and Venkataramanan, R and Rush, C and Samworth, RJ A unifying tutorial on Approximate Message Passing. (Unpublished)

Conference or Workshop Item

Mondelli, M and Venkataramanan, R (2021) Approximate Message Passing with Spectral Initialization for Generalized Linear Models. In: AISTATS 2021: 24th International Conference on Artificial Intelligence and Statistics, 2021-4-13 to 2021-4-15, San Diego, CA, USA pp. 397-405.. (Unpublished)

Abroshan, M and Venkataramanan, R and Dolecek, L and Fabregas, AGI (2019) Coding for Deletion Channels with Multiple Traces. In: UNSPECIFIED pp. 1372-1376..

Srinath, KP and Venkataramanan, R (2018) Empirical Bayes Estimators for Sparse Sequences. In: 2018 IEEE International Symposium on Information Theory (ISIT), 2018-6-17 to 2018-6-22, Vail, Colorado pp. 406-410.. (Unpublished)

Abroshan, M and Venkataramanan, R and Guillen I Fabregas, A (2018) Multilayer codes for synchronization from deletions. In: UNSPECIFIED pp. 449-453..

Abroshan, M and Venkataramanan, R and Fàbregas, AGI (2018) Efficient Systematic Encoding of Non-binary VT Codes. In: UNSPECIFIED pp. 91-95..

Hsieh, K and Rush, C and Venkataramanan, R (2018) Spatially Coupled Sparse Regression Codes: Design and State Evolution Analysis. In: UNSPECIFIED pp. 1016-1020..

Abroshan, M and Venkataramanan, R and Fabregas, AGI (2017) Multilayer codes for synchronization from deletions. In: UNSPECIFIED pp. 449-453..

Venkataramanan, R and Rush, C (2017) The error exponent of sparse regression codes with AMP decoding. In: 2017 IEEE International Symposium on Information Theory, 2017-6-25 to 2017-6-30, Aachen, Germany pp. 2478-2482.. (Unpublished)

Rush, C and Greig, A and Venkataramanan, R (2015) Capacity-achieving Sparse Regression Codes via approximate message passing decoding. In: 2015 IEEE International Symposium on Information Theory (ISIT), 2015-6-14 to 2015-6-19 pp. 2016-2020..

Venkataramanan, R and Tatikonda, S (2014) The Gaussian rate-distortion function of sparse regression codes with optimal encoding. In: UNSPECIFIED pp. 2844-2848..

Venkataramanan, R and Swamy, VN and Ramchandran, K (2013) Efficient interactive algorithms for file synchronization under general edits. In: UNSPECIFIED pp. 1226-1233..

Venkataramanan, R and Tatikonda, S (2013) Improved capacity lower bounds for channels with deletions and insertions. In: UNSPECIFIED pp. 1-5..

Venkataramanan, R and Sarkar, T and Tatikonda, S (2013) Lossy compression via sparse linear regression: Computationally efficient encoding and decoding. In: UNSPECIFIED pp. 1182-1186..

Venkataramanan, R and Tatikonda, S (2013) Sparse Regression codes: Recent results and future directions. In: UNSPECIFIED pp. 1-5..

Venkataramanan, R and Tatikonda, S and Lastras-Montaño, LA and Franceschini, M (2012) Coding strategies for the uniform noise rewritable channel with hidden state. In: UNSPECIFIED pp. 1005-1009..

Venkataramanan, R and Joseph, A and Tatikonda, S (2012) Gaussian rate-distortion via sparse linear regression over compact dictionaries. In: UNSPECIFIED pp. 368-372..

Venkataramanan, R and Tatikonda, S (2012) Sparse regression codes for multi-terminal source and channel coding. In: UNSPECIFIED pp. 1966-1974..

Venkataramanan, R and Tatikonda, S and Ramchandran, K (2011) Achievable rates for channels with deletions and insertions. In: UNSPECIFIED pp. 346-350..

Venkataramanan, R and Pradhan, SS (2010) Achievable rates for the broadcast channel with feedback. In: UNSPECIFIED pp. 455-459..

Nazari, A and Krithivasan, D and Pradhan, SS and Anastasopoulos, A and Venkataramanan, R (2010) Typicality graphs and their properties. In: UNSPECIFIED pp. 520-524..

Venkataramanan, R and Pradhan, SS (2009) A new achievable rate region for the discrete memoryless multiple-access channel with feedback. In: UNSPECIFIED pp. 2371-2375..

Venkataramanan, R and Pradhan, SS (2008) Multiple descriptions with feed-forward: A single-letter achievable rate region. In: UNSPECIFIED pp. 692-696..

Venkataramanan, R and Pradhan, SS (2007) On Evaluating the Rate-Distortion Function of Sources with Feed-Forward and the Capacity of Channels with Feedback. In: UNSPECIFIED pp. 401-405..

This list was generated on Wed Oct 27 05:04:56 2021 BST.