Publications

S. Gujral and S. Sarma, “Power Minimization in Multi-antenna Transmitter Aided Bidirectional Tag-to-Device Communications for IoT”, in IEEE Transactions on Vehicular Technology, vol. 71, no. 12, pp. 13105 ‐ 13119, 2022, doi: 10.1109/TVT.2022.3201402 

S. Gujral and S. Sarma, “Wireless Powered Backscatter-aided Cooperative Communication Scheme for IoT”, in Springer Wireless Networks, vol. 28, pp. 1771 –1784 (2022), doi:10.1007/s11276-022-02941-x.

A. Chawla, R. K. Singh, A. Patel, A. K. Jagannatham and L. Hanzo, “Distributed Detection for Centralized and Decentralized Millimeter Wave Massive MIMO Sensor Networks,” in IEEE Transactions on Vehicular Technology, Jun. 2021.

S. Alam, S. Thakor and S. Abbas, "Inner Bounds for the Almost Entropic Region and Network Code Construction," in IEEE Transactions on Communications, vol. 69, no. 1, pp. 19-30, Jan. 2021, doi: 10.1109/TCOMM.2020.3030055.

D. Saleem, S. Thakor and A. Tiwari, "Recursive Algorithm to Verify Quasi-Uniform Entropy Vectors and its Applications," in IEEE Transactions on Communications, vol. 69, no. 2, pp. 874-883, Feb. 2021, doi: 10.1109/TCOMM.2020.3040401.

M. I. Qureshi and S. Thakor, "On the Information Capacity of Layered Undirected Unicast Networks," in IEEE Communications Letters, vol. 24, no. 12, pp. 2715-2718, Dec. 2020, doi: 10.1109/LCOMM.2020.3020511.

S. Sarma and K. Ishibashi, “Time-to-Recharge Analysis for Energy-relay-assisted Energy Harvesting ” in IEEE Access, vol. 7, pp. 139924-139937, 2019, doi: 10.1109/ACCESS.2019.2943562.

A. Chawla, A. Patel, A. K. Jagannatham, and P. K. Varshney, “Distributed detection in Massive MIMO Wireless Sensor Networks under Perfect and Imperfect CSI,” in IEEE Transactions on Signal Processing, vol. 67, no. 15, pp. 4055-4068, 1 Aug.1, 2019.

N. Varshney, A. Patel, W. Haselmayr, A. K. Jagannatham, P. K. Varshney, and A. Nallanathan, “Impact of Intermediate Nanomachines in Multiple Cooperative Nanomachine-Assisted Diffusion Advection Mobile Molecular Communication,” in IEEE Transactions on Communications , vol. 67, no. 7, pp. 4856-4871, July 2019.

Kumar, P., Thakor, S. Performance of 3T-ANC based orthogonal frequency-division-multiplexed optical wireless link with pointing error. J Opt 48, 400–411 (2019). https://doi.org/10.1007/s12596-019-00542-0.

T. Chan, S. Thakor and A. Grant, "Minimal Characterization of Shannon-Type Inequalities Under Functional Dependence and Full Conditional Independence Structures," in IEEE Transactions on Information Theory, vol. 65, no. 7, pp. 4041-4051, July 2019, doi: 10.1109/TIT.2019.2900669.

"Energy-and spectral-efficiency trade-off for D2D-multicasts in underlay cellular networks", A Bhardwaj, S Agnihotri - IEEE Wireless Communications Letters, 2018.

S. Sarma and J. Kuri, “SNR based Secure Communication via Untrusted Amplify and Forward Relay Nodes Using Artificial Noise” in Springer Wireless Networks, vol. 24, no. 1, pp. 127 – 138, Jan. 2018 doi:10.1007/s11276-016-1318-8.

N. Varshney, A. Patel, Y.Deng,W.Haselmayr, P. K. Varshney, and A.Nallanathan “AbnormalityDetection inside Blood Vessels with Mobile Nanomachines,” in IEEE Transactions on Molecular, Biological, and Multiscale Communications, vol. 4, no. 3, pp. 189-194, Sept. 2018.

A. Goel, A. Patel, K. G. Nagananda and P. K. Varshney, “Robustness of the Counting Rule for Distributed Detection in Wireless Sensor Networks,” in IEEE Signal Processing Letters, vol. 25, no. 8, pp. 1191-1195, Aug. 2018.

A. Patel, H. Ram, A. K. Jagannatham and P. K. Varshney, “Robust Cooperative Spectrum Sensing for MIMO Cognitive Radio Networks under CSI Uncertainty,” in IEEE Transactions on Signal Processing, vol. 66, no. 1, pp. 18-33, Jan, 2018.

Kumar, P., Thakor, S. Performance of OFDM-FSO link with analog network coding. Photon Netw Commun 35, 210–224 (2018). https://doi.org/10.1007/s11107-017-0730-z.

"Interference-aware D2D-multicast session provisioning in LTE-A networks", A Bhardwaj, S Agnihotri - 2017 IEEE Wireless Communications and Networking 2017.

S. Thakor, T. Chan and A. Grant, "Capacity Bounds for Networks With Correlated Sources and Characterisation of Distributions by Entropies," in IEEE Transactions on Information Theory, vol. 63, no. 6, pp. 3540-3553, June 2017, doi: 10.1109/TIT.2017.2681078.

"A resource allocation scheme for multiple device-to-device multicasts in cellular networks",A Bhardwaj, S Agnihotri - 2016 IEEE Wireless Communications and Networking 2016

A resource allocation scheme for device-to-device multicast in cellular networks

S. Sarma, K. Kandhway and J. Kuri, “Robust Power Allocation and Outage Analysis for Secrecy in Independent Parallel Gaussian Channels”, in IEEE Wireless Communications Letters, vol.5, no.1, pp.68 – 71, Feb. 2016, doi: 10.1109/LWC.2015.2497347.

A. Patel, S. Biswas and A. K. Jagannatham, “Optimal GLRT-Based Robust Spectrum Sensing for MIMO Cognitive Radio Networks with CSI Uncertainty,” in IEEE Transactions on Signal Processing, vol. 64, no. 6, pp. 1621-1633, March, 2016.

S. Thakor, A. Grant and T. Chan, "Cut-Set Bounds on Network Information Flow," in IEEE Transactions on Information Theory, vol. 62, no. 4, pp. 1850-1865, April 2016, doi: 10.1109/TIT.2016.2529643.

K. Verma, A. Garcia-Martinez, S. Agnihotri. On hardness of green file distribution and its practical applications. International Symposium on Network Computing and Applications (NCA) 2016, Cambridge, MA, Oct-Nov. 2016.

T. Agrawal and S. Agnihotri. Secure amplify-and-forward relaying in linear chains with a single eavesdropper. International Conference on Signal Processing and Communications (SPCOM) 2016, Bengalore, India, Jun 2016.

A. Bhardwaj and S. Agnihotri. A resource allocation scheme for multiple device-to-device multicasts in cellular networks. Wireless Communications and Networking Conference (WCNC) 2016, Doha, Qatar, Apr. 2016.

S. Sarma, S. Agnihotri, J. Kuri. Secure transmission in amplify-and-forward diamond networks with a single eavesdropper. National Conference on Communications (NCC) 2016, Guwahati, India, Mar. 2016.

A. Bhardwaj and S. Agnihotri. A resource allocation scheme for device-to-device multicast in cellular networks. International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC) 2015, Hong Kong, Aug. 2015.

T. Agrawal, S. Agnihotri, N. V. Abhishek. Analog network coding in nonlinear chains. Wireless Communications and Networking Conference (WCNC) 2015, New Orleans, LA, Mar. 2015.

S. Sarma, S. Agnihotri, J. Kuri. Secure communication in amplify-and-forward networks with multiple eavesdroppers: decoding with SNR thresholds. Springer Wireless Personal Communications, vol. 85, no. 4, Dec. 2015.

S. Sarma and J. Kuri, “QEP Based Solution for Power Allocation in Amplify and Forward Networks”, IEEE Communications Letters, vol.19, no.10, pp.1774 – 1777, Oct. 2015, doi: 10.1109/LCOMM.2015.2456921.

S. Sarma and J. Kuri, “Optimal power allocation for protective jamming in wireless networks: A flow based model.” Elsevier Computer Networks 81(0) (2015) 258 – 271.

S. Sarma, K. Kandhway and J. Kuri, “Robust Energy Harvesting Based on a Stackelberg Game”, in IEEE Wireless Communications Letters, vol. 5, no.3, pp.336 – 339, doi: 10.1109/LWC.2016.2555901

A. Sunny, S. Sarma and J. Kuri, “Secure Transmission in Cooperative Networks with Weak Eavesdroppers”, IEEE Signal Processing Letters, vol.22, no.10, pp.1693 – 1697, Oct. 2015, doi: 10.1109/LSP.2015.2425043.

A. Bhardwaj and S. Agnihotri. A resource allocation scheme for device-to-device multicast in cellular networks. International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC) 2015, Hong Kong, Aug. 2015.

C. L. Chan, S. Jaggi, V. Saligrama, S. Agnihotri. Non-adaptive group testing: Explicit bounds and novel algorithms. IEEE Transactions on Information Theory, vol. 60(5), 2014.

A. Patel, B. Tripathi and A. K. Jagannatham, “Robust Estimator-Correlator for Spectrum Sensing in MIMO CR Networks with CSI Uncertainty,” in IEEE Wireless Communications Letters, vol. 3, no. 3, pp. 253-256, June 2014.

S. Agnihotri, V. Rajesh. Worst-case asymmetric distributed function computation. International Journal of General Systems, vol. 42(3), 2013.

A. Patel and A. K. Jagannatham, “Non-Antipodal Signaling Based Robust Detection for Cooperative Spectrum Sensing in MIMO Cognitive Radio Networks,” in IEEE Signal Processing Letters, vol. 20, no. 7, pp. 661-664, July 2013.

S. T. G. S. Ramakrishna, S. Agnihotri, P. Jadhupathi, R. Namballa. Real-time mobile based event-activated vehicle tracking system in urban environment. International Conference on Intelligent Transportation Systems (ITSC) 2012, Anchorage, AK, Sept. 2012.

S. Agnihotri, S. Jaggi, M. Chen. Analog network coding in general SNR regime: performance of network simplification. Information Theory Workshop (ITW) 2012, Lausanne, Switzerland, Sept. 2012.

S. Agnihotri, S. Jaggi, M. Chen. Analog network coding in general SNR regime. International Symposium on Information Theory (ISIT) 2012, Cambridge, MA, Jul. 2012.

C. L. Chan, S. Jaggi, V. Saligrama, S. Agnihotri. Non-adaptive group testing: Explicit bounds and novel algorithms. International Symposium on Information Theory (ISIT) 2012, Cambridge, MA, Jul. 2012.

S. Agnihotri, S. Jaggi, M. Chen. Analog network coding in general SNR regime: performance of a greedy scheme. International Symposium on Network Coding (NetCod) 2012, Cambridge, MA, Jun. 2012.

S. Agnihotri, S. Jaggi, M. Chen. Amplify-and-forward in wireless relay networks. Information Theory Workshop (ITW) 2011, Paraty, Brazil, Oct. 2011.

S. Agnihotri, V. Rajesh, H. S. Jamadagni. Distributed function computation in asymmetric communication scenarios. Allerton Conference on Communications, Control, and Computing (Allerton) 2009, Monticello, IL, Sept. 2009.

S. Agnihotri, H. S. Jamadagni. Information ambiguity. International Symposium on Information Theory and Its Applications (ISITA) 2008, Auckland, New Zealand, Dec. 2008.

S. Agnihotri, H. S. Jamadagni. Worst-case asymmetric distributed source coding. Allerton Conference on Communications, Control, and Computing (Allerton) 2008, Monticello, IL, Sept. 2008.

S. Agnihotri, H. S. Jamadagni, P. Nuggehalli. Interactive communication and enhancing sensor network lifetime. Managing Complexity in a Distributed World (MCDES) 2008 - IISc Centenary Conference, Bangalore, India, May 2008.

S. Agnihotri, P. Nuggehalli, H. S. Jamadagni. Correlation, coding, and cooperation in wireless sensor networks. International Workshop on Algorithmic Aspects of Wireless Sensor Networks (ALGOSENSORS) 2007, Wroclaw, Poland, Jul. 2007.

S. Agnihotri, P. Nuggehalli, R. Rao. Enhancing sensor network lifetime using interactive communication. International Symposium on Information Theory (ISIT) 2007, Nice, France, Jun. 2007.

S. Agnihotri, P. Nuggehalli, H. S. Jamadagni. On maximizing lifetime of a sensor cluster. International Symposium on a World of Wireless Mobile and Multimedia Networks (WoWMoM) 2005, Taormina, Italy, Jun. 2005.

S. Agnihotri, K. Aravindhan, H. S. Jamadagni, B. I. Pawate. A new technique for improving quality of speech in voice over IP using time-scale modification. International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2002, Orlando, FL, May 2002.

A. Deshwal and A. Patel, “Blind Distributed Detection in MIMO Networks,” 2024 16th International Conference on COMmunication Systems & NETworkS (COMSNETS), Bengaluru, India, 2024.

S. Gujral and S. Sarma, “Backscatter-NOMA Empowered Wireless Powered Cooperative Communications for Green IoT ”, NCC, IIT Madras, 2024

M. S. A. Khan, A. Bhardwaj, S. Agnihotri. Distributed resource allocation for D2D multicast in underlay cellular networks. International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC) 2024, Valencia, Spain, Sept. 2024. 

M. S. A. Khan, S. Agnihotri, R. M. Karthik. Joint AP-UE association and power factor optimization for distributed massive MIMO. International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC) 2024, Valencia, Spain, Sept. 2024. M. S. A. Khan, S. Agnihotri, R. M. Karthik. Distributed pilot assignment for distributed massive-MIMO networks. Wireless Communications and Networking Conference (WCNC) 2024, Dubai, UAE, Apr. 2024.

S. Agnihotri, R. Rameshan, R. Ghosal, Prerit Gupta. Lossless Binary Image Compression Using Learned Multi-level Dictionaries. Allerton Conference on Communication, Control, and Computing (Allerton) 2024, Urbana, IL, Sept. 2024. 

G. Chamarthi, A. Patel and R. Pratap, “Towards obtaining SEP via Orthogonality of Projection Matrix in massive MIMO Networks,” 2023 IEEE IEEE International Conference on Advanced Networks and Telecommunications Systems (ANTS), MNIT Jaipur, India, 2023.

G. Chamarthi, A. Patel and R. Pratap, “Random Projection Based Efficient Detector in Massive MIMO Communication Networks,” 2023 IEEE 24th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Shanghai, China, 2023.

S. Gujral et al. “Transmit Power Minimization for Bidirectional Tag-to-Device Communications for IoT ”, International Conference on COMmunication Systems and NETworkS (COMSNETS), IEEE, pp. 572-580, 2021.

S. Gujral, "Relay-Aided Bidirectional Communications Between Devices in a Hybrid User Scenario for IoT," 2021 National Conference on Communications (NCC), 2021, pp. 1-6, doi: 10.1109/NCC52529.2021.9530107.

M. I. Qureshi and S. Thakor, "On the Partition Bound for Undirected Unicast Network Information Capacity," 2020 IEEE International Symposium on Information Theory (ISIT), 2020, pp. 1623-1628, doi: 10.1109/ISIT44484.2020.9174428.

A. Chawla, R. K. Singh, A. Patel and A. K. Jagannatham, “Distributed Detection in Millimeter Wave Massive MIMO Wireless Sensor Networks,” in Proceedings of International Conference on Signal Processing and Communications (SPCOM-2020), IISc, India, 2020, pp. 1-5.

S. Alam, S. Thakor and S. Abbas, "An Analysis of a Randomized Local Search Algorithm for the Entropy Space," 2019 4th International Conference on Information Systems and Computer Networks (ISCON), 2019, pp. 330-334, doi: 10.1109/ISCON47742.2019.9036317.

H. Tiwari and S. Thakor, "On Characterization of Entropic Vectors at the Boundary of Almost Entropic Cones," 2019 IEEE Information Theory Workshop (ITW), 2019, pp. 1-5, doi: 10.1109/ITW44776.2019.8989116.

S. Thakor and M. I. Qureshi, "Undirected Unicast Network Capacity: A Partition Bound," 2019 IEEE International Symposium on Information Theory (ISIT), 2019, pp. 1-5, doi: 10.1109/ISIT.2019.8849499.

S. Gujral and S. Sarma, “Cooperative Communication in Hybrid User Scenario incorporating Backscattering and Energy Harvesting”, IEEE International Conference on Advanced Networks and Telecommunications Systems (ANTS), pp. 1-6. IEEE, 2019

S. Alam, S. Thakor and S. Abbas, "On Enumerating Distributions for Associated Vectors in the Entropy Space," 2018 International Symposium on Information Theory and Its Applications (ISITA), 2018, pp. 65-69, doi: 10.23919/ISITA.2018.8664232.

T. Chan, S. Thakor and A. Grant, "A Minimal Set of Shannon-type Inequalities for MRF Structures with Functional Dependencies," 2018 IEEE International Symposium on Information Theory (ISIT), 2018, pp. 1759-1763, doi: 10.1109/ISIT.2018.8437845.

A. Chawla, A. Patel, A. K. Jagannatham and P. K. Varshney, “Robust Distributed Detection in Massive MIMO Wireless Sensor Networks Under CSI Uncertainty,” 2018 IEEE 88th Vehicular Technology Conference (VTC-Fall), Chicago, IL, USA, 2018, pp. 1-5.

N. Varshney, A. Patel, W. Haselmayr, A. K. Jagannatham, P. K. Varshney and W. Guo, “Impact of Cooperation in Flow-Induced Diffusive Mobile Molecular Communication,” 2018 52nd Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, USA, 2018, pp. 494-498.

S. Thakor, T. Chan and A. Grant, "A minimal set of shannon-type inequalities for functional dependence structures," 2017 IEEE International Symposium on Information Theory (ISIT), 2017, pp. 679-683, doi: 10.1109/ISIT.2017.8006614.

A. Patel, A. Ahmad and R. Tripathi, “Multiple Beacon Based Robust Cooperative Spectrum Sensing in MIMO Cognitive Radio Networks under CSI Uncertainty,” 2017 IEEE 85th Vehicular Technology Conference (VTC Spring), Sydney, NSW, 2017, pp. 1-5.

S. Sarma, S. Agnihotri and J. Kuri, “Secure Transmission in Amplify–and–Forward Diamond Networks with a Single Eavesdropper” Twenty Second National Conference on Communication (NCC), Guwahati, 2016, pp. 1 – 6., doi: 10.1109/NCC.2016.7561158.

S. Sarma, K. Kandhway, B. Kotnis and J. Kuri,“Urban Monitoring Using Participatory Sensing: An Optimal Budget Allocation Approach” COMSNETS 2016 Social Networking Workshop, pp. 1–6, doi: 10.1109/COMSNETS.2016.7439968.

K. Verma, A. Garcia-Martinez, S. Agnihotri. On hardness of green file distribution and its practical applications. International Symposium on Network Computing and Applications (NCA) 2016, Cambridge, MA, Oct-Nov. 2016.

M. Rajput, S. Dwivedi, Adarsh Patel and A. K. Jagannatham, “Subspace based multi-user spectrum sensing in frequency selective cognitive radio systems,” 2016 IEEE Region 10 Conference (TENCON), Singapore, 2016, pp. 1154-1157.

S. Thakor, A. Grant and T. Chan, "Network coding capacity: A functional dependence bound," 2009 IEEE International Symposium on Information Theory, 2009, pp. 263-267, doi: 10.1109/ISIT.2009.5205943.

A. Patel and A. Trivedi, “Particle-Swarm-Optimization-Based Multiuser Detector for Multicarrier CDMA Communications,” International Conference on Computational Intelligence and Communication Networks (CICN), 2010 IEEE, Bhopal, 2010, pp. 534-538.

S. Thakor, A. Grant and T. Chan, "On Complexity Reduction of the LP Bound Computation and Related Problems," 2011 International Symposium on Networking Coding, 2011, pp. 1-6, doi: 10.1109/ISNETCOD.2011.5978922.

S. Thakor, T. Chan and A. Grant, "Bounds for network information flow with correlated sources," 2011 Australian Communications Theory Workshop, 2011, pp. 43-48, doi: 10.1109/AUSCTW.2011.5728735.

A. Patel and A. K. Jagannatham, “SOCP based robust detector for cooperative spectrum sensing in MIMO cognitive radio,” Sensor Array and Multichannel Signal Processing Workshop (SAM), 2012 IEEE 7th, Hoboken, NJ, 2012, pp. 133-136.

Xu, Xiaoli, Satyajit Thakor, and Yong Liang Guan. "Reduced functional dependence graphs and their applications." 2012 International Symposium on Network Coding (NetCod). IEEE, 2012.

S. Thakor, A. Grant and T. Chan, "Compact representation of polymatroid axioms for random variables with conditional independencies," 2012 IEEE Information Theory Workshop, 2012, pp. 267-271, doi: 10.1109/ITW.2012.6404673.

Xu, Xiaoli, Satyajit Thakor, and Yong Liang Guan. "Weighted sum-rate functional dependence bound for network coding capacity." 2012 International Symposium on Information Theory and its Applications. IEEE, 2012.

S. Sarma, S. Shukla, and J. Kuri, "Joint Scheduling & Jamming for Data Secrecy in Wireless Networks,” in 2013 11th International Symposium on Modeling Optimization in Mobile, Ad Hoc Wireless Networks, (WiOpt 13), 2013, pp. 248 – 255.

A. Patel, S. Biswas and A. K. Jagannatham, “Multiple Beacon Based Robust Cooperative Spectrum Sensing in MIMO Cognitive Radio Networks,” Vehicular Technology Conference (VTC Fall), 2013 IEEE 78th, Las Vegas, NV, 2013, pp. 1-5.

S. Thakor, T. H. Chan and A. Grant, "Characterising correlation via entropy functions," 2013 IEEE Information Theory Workshop (ITW), 2013, pp. 1-2, doi: 10.1109/ITW.2013.6691218.

X. Xu, S. Thakor and Y. L. Guan, "On the mutual information between random variables in networks," 2013 IEEE Information Theory Workshop (ITW), 2013, pp. 1-5, doi: 10.1109/ITW.2013.6691320.

S. Thakor, T. Chan and K. W. Shum, "Symmetry in distributed storage systems," 2013 IEEE International Symposium on Information Theory, 2013, pp. 1242-1246, doi: 10.1109/ISIT.2013.6620425.

S. Shukla, S. Sarma and J. Kuri, “Maximizing Transported Data Before Partition in a Wireless Sensor Network”, in Sixth International Conference on Communication Systems and Networks (COMSNETS 2014), pp.1 – 8, doi: 10.1109/COMSNETS.2014.6734884.

A. Sunny, S. Sarma and J. Kuri, “Beating Resource Constrained Eavesdroppers: A Physical Layer Security Study”, in 13th International Symposium on Modeling Optimization in Mobile, Ad Hoc Wireless Networks, (WiOpt 15), pp.167 – 174, 25 – 29 May 2015 doi: 10.1109/WIOPT.2015.7151069.