Home Page of Ranjan K. Mallik  
 
Research and Publications

 

 

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Education

Work Experience

Teaching

Supervision/Guidance

Research and Publications

 

 

My research can be broadly classified into the following topics:

Diversity combining and channel modeling for wireless communications

 

MIMO and space-time systems

 

Cooperative communications

 

Multiple access systems 

 

Power line communications

 

Molecular communications

 

Quantum communications

Direction-finding systems

Solutions of linear difference equations and their applications
to linear systems

Study of matrices with special structures and their applications

JOURNAL PUBLICATIONS

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R. K. Mallik and R. Murch, “New exact higher order moment expressions for the PAPR

of complex Gaussian variables,” IEEE Wireless Communications Letters, vol. 13, no. 2,

pp. 382-386, February 2024.

 

N. K. Kundu, M. R. McKay, and R. K. Mallik, “Wireless quantum key distribution at

terahertz frequencies: Opportunities and challenges.,” IET Quantum Communication,

pp. 1-12, doi 10.1049/qtc2.12085, 2024.

 

S. Pal, S. Misra, and R. K. Mallik, “COTiR: Molecular communication model for synthetic exosome-based tissue regeneration,” IEEE Transactions on NanoBioscience, vol. 23, no. 1, pp. 202-209, January 2024.

 

A. Yadav and R. K. Mallik, “Terahertz communications between unstable transceivers with pointing errors over FTR fading,” IEEE Open Journal of the Communications Society, vol. 4, pp. 2939-2951, 2023.

 

R. K. Mallik and R. Murch, “Channel norm-based energy detection with diversity reception for amplitude-shift keying in Rayleigh fading,” IEEE Transactions on Wireless Communications, vol. 22, no. 9, pp. 5855-5870, September 2023.

 

R. K. Mallik and R. Murch, “Properties and applications of a symmetric Toeplitz matrix generated by C + 1/C elements,” IEEE Access, vol. 11, pp. 88476-88488, 2023.

 

N. K. Kundu, M. R. McKay, A. Conti, R. K. Mallik, and M. Z. Win, “MIMO terahertz quantum key distribution under restricted eavesdropping,” IEEE Transactions on Quantum Engineering, vol. 4, article sequence no. 4100315, pp. 1-15, 2023.

 

P. Biswas and R. K. Mallik, “Spatial multiplexing for noncoherent reception in MIMO systems with binary ASK: Optimal precoder design,” IEEE Transactions on Wireless Communications, vol. 22, no. 2, pp. 856-871, February 2023.

 

P. Biswas and R. K. Mallik, “Symbol detection using extreme learning machine network for MU-SIMO systems,” IET Communications, vol. 17, no. 2, pp. 183-196, January 2023.

 

G. Sharma, N. Pandey, A. Singh, and R. K. Mallik, “On the impact of mutual influence between Bob and Eve on the secrecy of diffusion-based molecular timing channels,” IEEE Wireless Communications Letters, vol. 11, no. 11, pp. 2255-2259, November 2022.

 

G. Sharma, N. Pandey, A. Singh, and R. K. Mallik, “Security in diffusive molecular timing channels: An amount of confusion level perspective,” IEEE Transactions on Molecular, Biological, and Multi-Scale Communications, vol. 8, no. 3, pp. 190-201, September 2022.

 

S. P. Dash, J. Bhuyan, and R. K. Mallik, “Performance analysis of STBC-based MIMO PLC system in cyclostationary noise environment,” IEEE Transactions on Vehicular Technology, vol. 71, no. 8, pp. 9026-9031, August 2022.

 

N. K. Kundu, S. P. Dash, M. R. McKay, and R. K. Mallik, “Channel estimation and secret

key rate analysis of MIMO terahertz quantum key distribution,” IEEE Transactions on Communications, vol. 70, no. 5, pp. 3350-3363, May 2022.

 

S. Suman, S. De, R. K. Mallik, M. Elkashlan, and A. Nallanathan,” Beamforming

based mitigation of hovering inaccuracy in UAV-aided RFET,” IEEE Transactions

on Communications, vol. 70, no. 4, pp. 2691-2706, April 2022.

 

R. K. Mallik and R. Murch, “Rayleigh fading channel capacity for coherent signaling

with asymmetric constellations,” IEEE Transactions on Communications, vol. 70, no. 4,

pp. 2342-2357, April 2022.

 

R. Mahendra, S. K. Mohammed, and R. K. Mallik, “Downlink multi-user hybrid beamforming systems with receiver IQ imbalance: Pre-compensation and performance analysis,” IEEE Communications Letters, vol. 26, no. 4, pp. 927-931, April 2022.

 

S. P. Dash, R. K. Mallik, and N. Pandey, “Performance analysis of an index modulation-based receive diversity RIS-assisted wireless communication system,” IEEE Communications Letters, vol 26, no. 4, pp. 768-772, April 2022.

 

N. K. Kundu, M. R. McKay, and R. K. Mallik, “Machine learning based parameter estimation

of Gaussian quantum states,” IEEE Transactions on Quantum Engineering, vol. 3, article sequence no. 3500113, pp. 1-13, 2022.

 

G. Sharma, N. Pandey, A. Singh, and R. K. Mallik, “Secrecy optimization for diffusion-based molecular timing channels,” IEEE Transactions on Molecular, Biological, and Multi-Scale Communications, vol. 7, no. 4, pp. 253-261, December 2021.

 

R. K. Mallik and R. Murch, “Channel capacity of an asymmetric constellation in Rayleigh fading with noncoherent energy detection,” IEEE Transactions on Wireless

Communications, vol. 20, no. 11, pp. 7375-7388, November 2021.

 

N. K. Kundu, S. P. Dash, M. R. McKay, and R. K. Mallik, “MIMO terahertz quantum key distribution,” IEEE Communications Letters, vol. 25, no. 10, pp. 3345-3349, October 2021.

 

R. Mahendra, S. K. Mohammed, and R. K. Mallik, “Compensation of transmitter IQ imbalance in multi-user hybrid beamforming systems,” IEEE Access, vol. 9, pp. 98231-98248, 2021.

 

S. P. Dash, R. K. Mallik, and B. R. Reddy, “Optimal 4-ary imbalanced-phase-amplitude modulation in uncorrelated and correlated receive diversity PLC systems under

Nakagami-m noise environment,” IEEE Transactions on Vehicular Technology, vol. 70,

no. 7, pp. 6343-6354, July 2021.

 

V. K. Papanikolaou, P. D. Diamantoulakis, H. G. Sandalidis, R. K. Mallik, and G. K. Karagiannidis, “On the average harvested energy of directive lightwave power transfer

(DLPT),” IEEE Wireless Communications Letters, vol. 10, no. 7, pp. 1508-1512, July 2021.

 

N. Pandey, S. Joshi, and R. K. Mallik, “Characterizing the probability of collision between information particles in molecular communications,” IEEE Wireless Communications

Letters, vol. 10, no. 6, pp. 1252-1255, June 2021.

 

Y. Liu, Y. Deng, M. Elkashlan, A. Nallanathan, J. Yuan, and R. K. Mallik, “RACH in

self-powered NB-IoT networks: Energy availability and performance evaluation,” IEEE Transactions on Communications, vol. 69, no. 3, pp. 1750-1764, March 2021.

 

R. K. Mallik and R. Murch, “Exact expressions for PAPR statistics in low number

subcarrier multicarrier systems,” IEEE Wireless Communications Letters, vol. 9, no. 7,

pp. 938-942, July 2020.

 

N. K. Kundu, R. K. Mallik, and M. R. McKay, “Signal design for frequency-phase keying,”

IEEE Transactions on Wireless Communications, vol. 19, no. 6, pp. 4067-4079, June 2020.

 

N. Pandey, S. Joshi, R. K. Mallik, and B. Lall, “Channel characterization for devices in a turbulent diffusive environment: A mobile molecular communication approach,” IEEE Transactions on Molecular, Biological, and Multi-Scale Communications, vol. 5, no. 3,

pp. 222-232, December 2019.

 

S. P. Dash, R. K. Mallik, and S. K. Mohammed, “Performance analysis of coherent PLC with MPSK signaling in Nakagami-m noise environment,” IEEE Transactions on Vehicular Technology, vol. 69, no. 3, pp. 3057-3067, March 2020.

 

A. Singh, M. R. Bhatnagar, and R. K. Mallik, “Secrecy outage performance of SWIPT cognitive radio network with imperfect CSI,” IEEE Access, vol. 8, no. 1, pp. 3911-3919, 2020.

 

S. P. Dash, S. Joshi, and R. K. Mallik, “Smart grid network with D2D communication and coherent PLC: Error analysis,” IEEE Transactions on Vehicular Technology, vol. 69, no. 1,

pp. 1051-1054, January 2020.

 

Y. Li, R. K. Mallik, and R. Murch, “Channel magnitude based MIMO with energy detection for internet of things applications,” IEEE Internet of Things Journal, vol. 6, no. 6, pp. 9893-9907, December 2019.

 

A. Dubey, C. Kundu, T. M. N. Ngatched, O. A. Dobre, and R. K. Mallik, “Incremental

relaying for power line communications: Performance analysis and power allocation,”

IEEE Systems Journal, vol. 13, no. 4, pp. 4236-4247, December 2019.

 

N. Pandey, R. K. Mallik, and B. Lall, “Performance analysis of diffusive molecular timing channels,” IET Communications, vol. 13, no. 18, pp. 3059-3067, November 21 2019.

 

A. K. Mandpura, S. Prakriya, and R. K. Mallik, “Outage probability of fixed-gain

amplify-and-forward two-way relays with multiple co-channel interferers,”

IET Communications, vol. 13, no. 6, pp. 649-656, April 2 2019.

 

N. Pandey, R. K. Mallik, and B. Lall, “Molecular communication: The first arrival

position channel,” IEEE Wireless Communications Letters, vol. 8, no. 2, pp. 508-511,

April 2019.

 

B. R. Manoj, R. K. Mallik, M. R. Bhatnagar, and S. Gautam, “Virtual full-duplex

relaying in multi-hop DF cooperative networks using half-duplex relays with buffers,”

IET Communications, vol. 13, no. 5, pp. 489-495, March 19 2019.

 

S. Joshi and R. K. Mallik, “Coverage probability analysis in a device-to-device network: Interference functional and Laplace transform based approach,” IEEE Communications Letters, vol. 23, no. 3, pp. 466-469, March 2019.

 

D. Sharma, A. Dubey, S. Mishra, and R. K. Mallik, “A frequency control strategy using power line communication in a smart microgrid,” IEEE Access, vol. 7, no. 1, pp. 21712-21721, 2019.

 

S. P. Dash, R. K. Mallik, and S. K. Mohammed, “Error analysis of receive diversity noncoherent PLC system in impulsive noise environment,” IEEE Transactions on Vehicular Technology, vol. 68, no. 1, pp. 962-966, January 2019.

 

R. K. Mallik and R. D. Murch, “Optimal ASK levels for channel magnitude based diversity reception in Rayleigh fading,” IEEE Transactions on Communications, vol. 66, no. 9, pp.

4345-4360, September 2018.

 

R. K. Mallik, “The exponential correlation matrix: Eigen-analysis and applications,” IEEE Transactions on Wireless Communications, vol. 17, no. 7, pp. 4690-4705, July 2018.

 

B. R. Manoj, R. K. Mallik, and M. R. Bhatnagar, “Performance analysis of buffer-aided priority-based max-link relay selection in DF cooperative networks,” IEEE Transactions on Communications, vol. 66, no. 7, pp. 2826-2839, July 2018.

 

S. Joshi and R. K. Mallik, “Coverage and interference in D2D networks with Poisson cluster process,” IEEE Communications Letters, vol. 22, no. 5, pp. 1098-1101, May 2018.

 

S. P. Dash, R. K. Mallik, and S. K. Mohammed, “Performance analysis of non-coherent PLC with multi-level ASK in impulsive noise environment,” IET Communications, vol. 12, no. 7, pp. 816-823, April 24 2018.

 

R. K. Mallik, M. R. Bhatnagar, and S. P. Dash, “Fractional pilot duration optimization for SIMO in Rayleigh fading with MPSK and imperfect CSI,” IEEE Transactions on Communications, vol. 66, no. 4, pp. 1732-1744, April 2018.

 

N. C. Sagias and R. K. Mallik, “On the statistics of the error propagation effect of binary differential phase-shift keying,” IEEE Wireless Communications Letters, vol. 6, no. 6, pp.

718-721, December 2017.

 

A. Singh, M. R. Bhatnagar, and R. K. Mallik, “Physical layer security of a multiantenna-based CR network with single and multiple primary users,” IEEE Transactions on Vehicular Technology, vol. 66, no. 12, pp. 11011-11022, December 2017.

 

S. Joshi and R. K. Mallik, “Analysis of dedicated and shared device-to-device communication in cellular networks over Nakagami-m fading channels,” IET Communications, vol. 11, no. 10, pp. 1600-1609, July 13 2017.

 

R. K. Mallik, R. D. Murch, and Y. Li, “Channel magnitude based energy detection with receive diversity for multi-level amplitude-shift keying in Rayleigh fading,” IEEE Transactions on Communications, vol. 65, no. 7, pp. 3079-3094, July 2017.

 

B. R. Manoj, R. K. Mallik, and M. R. Bhatnagar, “Buffer-aided multi-hop DF cooperative networks: A state-clustering based approach,” IEEE Transactions on Communications, vol. 64, no. 12, pp. 4997-5010, December 2016.

 

A. Dubey and R. K. Mallik, “Effect of channel correlation on multi-hop data transmission over power lines with decode-and-forward relays,” IET Communications, vol. 10, no. 13, pp. 1623-1630, September 1 2016.

 

A. Singh, M. R. Bhatnagar, and R. K. Mallik, “Secrecy outage of a simultaneous wireless information and power transfer cognitive radio system,” IEEE Wireless

Communications Letters, vol. 5, no. 3, pp. 288-291, June 2016.

 

Y. Deng, L. Yang, M. Elkashlan, A. Nallanathan, and R. K. Mallik, “Physical layer

security in three-tier wireless sensor networks: A stochastic geometry

approach,” IEEE Transactions on Information Forensics and Security,

vol. 11, no. 6, pp. 1128-1138, June 2016.

 

R. K. Mallik, R. D. Murch, S. P. Dash, and S. K. Mohammed, “Optimal multi-level ASK with noncoherent diversity reception in uncorrelated non-identical and correlated

Rayleigh fading,” IEEE Transactions on Communications, vol. 64, no. 5, pp. 2204-2219,

May 2016.

 

M. R. Bhatnagar, R. K. Mallik, and O. Tirkkonen, “Performance evaluation of best path selection in a multihop decode-and-forward cooperative system,” IEEE Transactions

on Vehicular Technology, vol. 65, no. 4, pp. 2722-2728, April 2016.

 

A. Singh, M. R. Bhatnagar, and R. K. Mallik, “Performance of an improved energy

detector in multihop cognitive radio networks,” IEEE Transactions on

Vehicular Technology, vol. 65, no. 2, pp. 732-743, February 2016.

 

A. Singhal, R. K. Mallik, and B. Lall, "Performance analysis of amplitude modulation schemes for diffusion-based molecular communication," IEEE Transactions on Wireless Communications, vol. 14, no. 10, pp. 5681-5691, October 2015.

 

H. Nayar, V. J. Ribeiro, and R. K. Mallik, "Multicarrier modulation with variable peak-to-average

power ratio using partial fast Fourier transform," IET Communications, vol. 9, no. 12, pp.

1450-1457, August 13 2015.

 

Arti M. K., R. K. Mallik, and R. Schober, “Performance analysis of OSTBC relaying

in AF MIMO relay systems with imperfect CSI,” IEEE Transactions on

Vehicular Technology, vol. 64, no. 7, pp. 3291-3298, July 2015.

 

Y. Deng, M. Elkashlan, N. Yang, P. L. Yeoh, and R. K. Mallik, “Impact of primary

network on secondary network with generalized selection combining,” IEEE

Transactions on Vehicular Technology, vol. 64, no. 7, pp. 3280-3285, July 2015.

 

A. Dubey and R. K. Mallik, “PLC system performance with AF relaying,” IEEE

Transactions on Communications, vol. 63, no. 6, pp. 2337-2345, June 2015.

 

R. K. Mallik, S. Singh, R. D. Murch, and S. Mehra, “Signal design for multiple antenna

systems with spatial multiplexing and noncoherent reception,” IEEE Transactions on

Communications, vol. 63, no. 4, pp. 1245-1258, April 2015.

 

A. Dubey, R. K. Mallik, and R. Schober, “Performance analysis of a multi-hop power line

communication system over log-normal fading in presence of impulsive noise,”

IET Communications, vol. 9, no. 1, pp. 1-9, January 2 2015.

 

L. Wang, M. Elkashlan, J. Huang, R. Schober, and R. K. Mallik, “Secure transmission

with antenna selection in MIMO Nakagami-m fading channels,” IEEE Transactions on

Wireless Communications, vol. 13, no. 11, pp. 6054-6067, November 2014.

 

A. Singhal, R. K. Mallik, and B. Lall, “Effect of molecular noise in diffusion-based molecular communication,” IEEE Wireless Communications Letters, vol. 3, no. 5, pp. 489-492, October

2014.

 

A. Singhal, R. K. Mallik, and B. Lall, “Molecular communication with Brownian motion and a

positive drift: Performance analysis of amplitude modulation schemes,” IET Communications,

vol. 8, no. 14, pp. 2413-2422, September 25 2014.

 

Y. Deng, M. Elkashlan, P. L. Yeoh, N. Yang, and R. K. Mallik, “Cognitive MIMO relay networks with generalized selection combining,” IEEE Transactions on Wireless Communications,

vol. 13, no. 9, pp. 4911-4922, September 2014.

 

A. Kumar, R. K. Mallik, and R. Schober, “A probabilistic approach to modeling users’ network

selection in presence of heterogeneous wireless networks,” IEEE Transactions on Vehicular

Technology, vol. 63, no. 7, pp. 3331-3341, September 2014.

 

A. Dubey, R. K. Mallik, and R. Schober, “Performance analysis of a power line communication system employing selection combining in correlated log-normal channels and impulsive noise,” IET Communications, vol. 8, no. 7, pp. 1072-1082, May 6 2014.

 

T. Islam, R. Schober, R. K. Mallik, and V. K. Bhargava, “SLNC for multi-source multi-relay BICM-OFDM systems,” IEEE Transactions on Wireless Communications, vol. 13, no. 4, pp. 2096-2112, April 2014.

 

I. Ahmed, A. Ikhlef, R. Schober, and R. K. Mallik, “Power allocation for conventional and buffer-aided link adaptive relaying systems with energy harvesting nodes,” IEEE Transactions on Wireless Communications, vol. 13, no. 3, pp. 1182-1195, March 2014.

 

R. K. Mallik and R. D. Murch, “Noncoherent reception of multi-level ASK in Rayleigh fading with

receive diversity,” IEEE Transactions on Communications, vol. 62, no. 1, pp. 135-143, January

2014.

 

M. Mehra and R. K. Mallik, “Solutions of differential-difference equations arising from mathematical models of granulocytopoiesis,” Differential Equations and Dynamical Systems, vol. 22, no. 1, pp. 33-49, January 2014.

 

A. Kumar, R. K. Mallik, and R. Schober, “Wireless local area network service providers’ price competition in presence of heterogeneous user demand,” IET Communications, vol. 7, no. 18, pp. 2113-2121, December 17 2013.

 

Arti M. K., R. K. Mallik, and R. Schober, “Beamforming and combining in two-way AF MIMO

relay networks,” IEEE Communications Letters, vol. 17, no. 7, pp. 1400-1403, July 2013.

 

A. Singh, M. R. Bhatnagar, and R. K. Mallik, “Threshold optimization of a finite sample based cognitive radio network using energy detector,” EURASIP Journal on Wireless Communications and Networking, vol. 2013, no. 165, June 14 2013.

 

I. Ahmed, A. Ikhlef, R. Schober, and R. K. Mallik, “Joint power allocation and relay selection in energy harvesting AF relay systems,” IEEE Wireless Communications Letters, vol. 2, no. 2,

pp. 239-242, April 2013.

 

A. Kumar, R. K. Mallik, and R. Schober, “WLAN service providers’ price competition with uncertainty in user demand,” IEEE Communications Letters, vol. 17, no. 3, pp. 517-520,

March 2013.

 

R. K. Mallik and J. H. Winters, “Deterministically weighted square-law combining in correlated fading,” IEEE Transactions on Communications, vol. 61, no. 1, pp. 344-356, January 2013.

 

K. Dhaka, R. K. Mallik, and R. Schober, “Optimisation of power allocation for asymmetric relay placement in multi-hop relay systems,” IET Communications, vol. 7, no. 2, pp. 128-136,

January 22 2013.

 

M. D. Selvaraj and R. K. Mallik, “Performance of full CSI selection combining for cooperative diversity systems,” IEEE Transactions on Communications, vol. 60, no. 9, pp. 2482-2488, September 2012.

 

F. Moghimi, R. K. Mallik, and R. Schober, “Sensing time and power optimization in MIMO cognitive radio networks,” IEEE Transactions on Wireless Communications, vol. 11, no. 9,

pp. 3398-3408, September 2012.

 

T. Islam, A. Nasri, R. Schober, R. K. Mallik, and V. K. Bhargava,  “Network coded multi-source cooperative communication in BICM-OFDM networks,” IEEE Transactions on Wireless Communications, vol. 11, no. 9, pp. 3180-3193, September 2012.

 

Y. Shi, X. Dong, K. B. Letaief, and R. K. Mallik. “Coalition-assisted resource allocation in large amplify-and-forward cooperative networks,” IEEE Transactions on Vehicular Technology,

vol. 61, no. 4, pp. 1863-1873, May 2012.

 

I. Ahmed, A. Nasri, D. S. Michalopoulos, R. Schober, and R. K. Mallik,  “Relay subset selection and fair power allocation for best and partial relay selection  in generic noise and interference,” IEEE Transactions on Wireless Communications, vol. 11, no. 5, pp. 1828-1839, May 2012.

 

Y. Shi, K. B. Letaief, R. K. Mallik, and X. Dong, “Distributed power allocation in two-hop interference channels: An implicit-based approach,” IEEE Transactions on Wireless Communications, vol. 11, no. 5, pp. 1911-1921, May 2012.

 

I. Ahmed, A. Nasri, R. Schober, and R. K. Mallik, “Asymptotic performance of generalized selection combining in generic noise and fading,” IEEE Transactions on Communications,

vol. 60, no. 4, pp. 916-922, April 2012.

 

K. Dhaka, R. K. Mallik, and R. Schober, “Performance analysis of decode-and-forward

multi-hop communication: A difference equation approach,” IEEE Transactions on Communications, vol. 60, no. 2, pp. 339-345, February 2012.

 

A. Singh, M. R. Bhatnagar, and R. K. Mallik, “Cooperative spectrum sensing in multiple antenna based cognitive radio network using an improved energy detector,” IEEE Communications Letters, vol. 16, no. 1, pp. 64-67, January 2012.

 

R. K. Mallik and N. C. Sagias, “Distribution of inner product of complex Gaussian random vectors and its applications,” IEEE Transactions on Communications, vol. 59, no. 12, pp. 3353-3362, December 2011.

 

K. Raghunath, Y. U. Itankar, A. Chockalingam, and R. K. Mallik, “BER analysis of uplink OFDMA in the presence of carrier frequency and timing offsets on Rician fading channels,” IEEE Transactions on Vehicular Technology, vol. 60, no. 9, pp. 4392-4402, November 2011.

 

P. S. Bithas, N. C. Sagias, and R. K. Mallik, “On the sum of kappa stochastic variates and applications to equal-gain combining,” IEEE Transactions on Communications, vol. 59, no. 9, pp. 2434-2442, September 2011.

 

P. Dharmawansa, M. R. McKay, R. K. Mallik, and K. B. Letaief, “Ergodic capacity and beamforming optimality for MISO relaying with statistical CSI,” IEEE Transactions on Communications, vol. 59, no. 8, pp. 2119-2131, August 2011.

 

T. Islam, R. Schober, R. K. Mallik, and V. K. Bhargava, “Analysis and design of cooperative BICM-OFDM systems,” IEEE Transactions on Communications, vol. 59, no. 6, pp. 1742-1751, June 2011.

 

F. Moghimi, R. Schober, and R. K. Mallik, “Hybrid coherent/energy detection for cognitive radio networks,” IEEE Transactions on Wireless Communications, vol. 10, no. 5, pp. 1954-1605, May 2011.

 

M. D. Selvaraj, R. K. Mallik, and R. Goel, “Optimum receiver performance with binary phase-shift keying for decode and forward relaying,” IEEE Transactions on Vehicular Technology, vol. 60, no. 4, pp. 1948-1954, May 2011.

 

M. D. Selvaraj and R. K. Mallik, “Single-relay cooperative diversity with scaled selection combining,” IEEE Transactions on Communications, vol. 59, no. 3, pp. 701-707, March 2011.

 

Y. Shi, R. K. Mallik, and K. B. Letaief, “Randomized power control for two-hop interference channels,” IEEE Communications Letters, vol. 14, no. 12, pp. 1128-1130, December 2010.

 

M. D. Selvaraj and R. K. Mallik, “Scaled selection combining based cooperative diversity system with decode and forward relaying,” IEEE Transactions on Vehicular Technology, vol. 59, no. 9, pp. 4388-4399, November 2010.

 

R. K. Mallik and J. H. Winters, “Deterministic linear combining receivers for random fading channels,” IEEE Transactions on Communications, vol. 58, no. 9, pp. 2630-2638, September 2010.

 

R. K. Mallik, “A new statistical model of the complex Nakagami-m fading gain,” IEEE Transactions on Communications, vol. 58, no. 9, pp. 2611-2620, September 2010.

 

N. C. Sagias, R. K. Mallik, and G. S. Tombras, “Error rate performance of multilevel signals with coherent detection,” IEEE Transactions on Communications, vol. 58, no. 8, pp. 2188-2192,

August 2010.

 

P. Dharmawansa, M. R. McKay, and R. K. Mallik, “Analytical performance of amplify-and-forward MIMO relaying with orthogonal space-time block codes,” IEEE Transactions on Communications, vol. 58, no. 7, pp. 2147-2158, July 2010.

 

W. Zhang, R. K. Mallik, and K. B. Letaief, “Optimization of cooperative spectrum sensing with energy detection in cognitive radio networks,” IEEE Transactions on Wireless Communications, vol. 8, no. 12, pp. 5761-5766, December 2009.

 

E. Bayaki, R. Schober, and R. K. Mallik, “Performance analysis of MIMO free-space

optical systems in gamma-gamma fading,” IEEE Transactions on Communications, vol. 57, no. 11,  pp. 3415-3424, November 2009.

 

M. D. Selvaraj and R. K. Mallik, “Error analysis of the decode and forward protocol with selection combining,” IEEE Transactions on Wireless Communications, vol. 8, no. 6, pp. 3086-3094,  June 2009.

 

Y. Shi, J. H. Wang, K. B. Letaief, and R. K. Mallik, “A game-theoretic approach for distributed power control in interference relay channels,” IEEE Transactions on Wireless Communications, vol. 8, no. 6, pp. 3151-3161, June 2009.

 

R. K. Mallik and P. Garg, “Performance of optimum and suboptimum receivers for space-time coded systems in correlated fading,” IEEE Transactions on Communications, vol. 57, no. 5,  pp. 1237-1241, May 2009.

 

A. Chowdhery and R. K. Mallik, “Linear detection for the nonorthogonal amplify and forward protocol,” IEEE Transactions on Wireless Communications, vol. 8, no. 2, pp. 826-835, February 2009.

 

P. Garg and R. K. Mallik, “Equivalence of optimum and joint processing receivers for space-time block coded systems,” IEEE Transactions on Wireless Communications, vol. 8, no. 1, pp. 51-54, January 2009.

 

R. K. Mallik, S. Jain, and R. K. Garodia, “Performance of the decorrelating multiuser detector in a correlated fading environment,” IEEE Transactions on Wireless Communications, vol. 7, no. 12,  pp. 5091-5099, December 2008.

 

R. K. Mallik and J. H. Winters, “Optimum receiver for a realistic transmit-receive diversity system in correlated fading,” IEEE Transactions on Information Theory, vol. 54, no. 12, pp. 5456-5468, December 2008.

 

R. K. Mallik, “Average of product of two Gaussian Q-functions and its application to performance analysis in Nakagami fading,” IEEE Transactions on Communications, vol. 56, no. 8,  pp. 1289-1299, August 2008.

 

D. S. Michalopoulos, G. K. Karagiannidis, T. A. Tsiftsis, and R. K. Mallik, "Distributed transmit antenna selection (DTAS) under performance or energy consumption constraints," IEEE Transactions on Wireless Communications, vol. 7, no. 4, pp. 1168-1173, April 2008.

 

V. Mittal, Y. Gautam, R. K. Mallik, and S. D. Joshi, "Analysis of wavelet modulation in frequency-selective fading," IEEE Transactions on Vehicular Technology, vol. 56, no. 6, pp. 3818-3826, November 2007.

 

R. K. Mallik and Q. T. Zhang, "A tight upper bound on the PEP of a space-time coded system," IEEE Transactions on Wireless Communications, vol. 6, no. 9, pp. 3238-3247, September 2007.

 

S. Adlakha, R. K. Mallik, and A. Vazirani, "Multiuser detection techniques for TH-PPM systems," IEEE Transactions on Vehicular Technology, vol. 56, no. 5, pp. 2915-2921, September 2007.

 

A. Vecchio and R. K. Mallik, "Bounds on the inverses of nonnegative triangular matrices with monotonicity properties," Linear and Multilinear Algebra, vol. 55, no. 4, pp. 365-379, 2007.

 

R. K. Mallik, "The uniform correlation matrix and its application to diversity," IEEE Transactions on Wireless Communications, vol. 6, no. 5, pp. 1619-1625, May 2007.

 

P. Garg, R. K. Mallik, and H. M. Gupta, "An analytical approach to space-time block coding with decision feedback channel estimation," IEEE Transactions on Vehicular Technology, vol. 56, no. 3, pp. 1442-1447, May 2007.

 

R. K. Mallik and G. K. Karagiannidis, "Equal-gain combining with unequal energy constellations," IEEE Transactions on Wireless Communications, vol. 6, no. 3, pp. 1125-1132, March 2007.

 

R. K. Garodia, S. Jain, and R. K. Mallik, "Performance of the MMSE multiuser detector with equicorrelated signatures," IEEE Transactions on Communications, vol. 54, no. 8, pp. 1360-1364, August 2006.

 

R. K. Mallik, "Optimized diversity combining with imperfect channel estimation," IEEE Transactions on Information Theory, vol. 52, no. 3, pp. 1176-1184, March 2006.

 

P. Garg, R. K. Mallik, and H. M. Gupta, "Exact error performance of square orthogonal space-time block coding with channel estimation," IEEE Transactions on Communications, vol. 54, no. 3, pp. 430-437, March 2006.

 

G. K. Karagiannidis, T. A. Tsiftsis, and R. K. Mallik, "Bounds of multihop relayed communications in Nakagami-m fading," IEEE Transactions on Communications, vol. 54, no. 1, pp. 18-22, January 2006.

 

R. K. Mallik and Q. T. Zhang, "Optimum combining with correlated interference," IEEE Transactions on Wireless Communications, vol. 4, no. 5, pp. 2340-2348, September 2005.

 

R. K. Mallik, P. Gupta, and Q. T. Zhang, "Minimum selection GSC in independent Rayleigh fading," IEEE Transactions on Vehicular Technology, vol. 54, no. 3, pp. 1013-1021, May 2005.

 

P. Gupta, N. Bansal, and R. K. Mallik, "Analysis of minimum selection H-S/MRC in Rayleigh fading," IEEE Transactions on Communications, vol. 53, no. 5, pp. 780-784, May 2005.

 

P. Garg, R. K. Mallik, and H. M. Gupta, "Performance analysis of space-time coding with imperfect channel estimation," IEEE Transactions on Wireless Communications, vol. 4, no. 1, pp. 257-265, January 2005.

 

I. Nigam and R. K. Mallik, "A joint performance measure for the decorrelating multiuser detector," IEEE Transactions on Wireless Communications, vol. 3, no. 4, pp. 1024-1030, July 2004.

 

R. K. Mallik. M. Z. Win, J. W. Shao, M.-S. Alouini, and A. J. Goldsmith, "Channel capacity of adaptive transmission with maximal ratio combining in correlated Rayleigh fading," IEEE Transactions on Wireless Communications, vol. 3, no. 4, pp. 1124-1133, July 2004.

 

A. Dua, U. B. Desai, and R. K. Mallik, "Minimum probability of error based methods for adaptive multiuser detection in multipath DS-CDMA channels," IEEE Transactions on Wireless Communications, vol. 3, no. 3, pp. 939-948, May 2004.

 

R. K. Mallik, M. Z. Win, M. Chiani, and A. Zanella, "Bit error probability for optimum combining of binary signals in the presence of interference and noise," IEEE Transactions on Wireless Communications, vol. 3, no. 2, pp. 395-407, March 2004.

 

R. K. Mallik, "The pseudo-Wishart distribution and its application to MIMO systems," IEEE Transactions on Information Theory: Special Issueon Space-Time Transmission, Reception, Coding and Signal Design, vol. 49, no. 10, pp. 2761-2769, October 2003.

 

R. K. Mallik, D. Singh, and A. Kumari, "Error analysis of rake reception with multiple symbol weight estimation for antipodal signaling," IEEE Transactions on Communications, vol. 51, no. 10, pp. 1721-1729, October 2003.

 

M. Z. Win, R. K. Mallik, and G. Chrisikos, "Higher order statistics of antenna subset diversity," IEEE Transactions on Wireless Communications, vol. 2, no. 5, pp. 871-875, September 2003.

 

R. K. Mallik, A. K. Gogoi, A. Mahanta, and R. Raghuram, "Analysis of performance of BPSK in an additive combination of impulsive and Gaussian noise," Wireless Personal Communications, vol. 26, no. 1, pp. 1-15, August 2003.

 

S. Bhardwaj and R. K. Mallik, "Capacity of rake reception with energy randomization," IEEE Communications Letters, vol. 7, no. 8, pp. 364-366, August 2003.

 

R. K. Mallik, "On multivariate Rayleigh and exponential distributions," IEEE Transactions on Information Theory, vol. 49, no. 6, pp. 1499-1515, June 2003.

 

P. A. Dighe, R. K. Mallik, and S. S. Jamuar, "Analysis of K-transmit dual-receive diversity with cochannel interferers over a Rayleigh fading channel," Wireless Personal Communications, vol. 25, no. 2, pp. 87-100, May 2003.

 

P. A. Dighe, R. K. Mallik, and S. S. Jamuar, "Analysis of transmit-receive diversity in Rayleigh fading," IEEE Transactions on Communications, vol. 51, no. 4, pp. 694-703, April 2003.

 

M. Chiani, M. Z. Win, A. Zanella, R. K. Mallik, and J. H. Winters, "Bounds and approximations for optimum combining of signals in the presence of multiple co-channel interferers and thermal noise," IEEE Transactions on Communications,  vol. 51, no. 2, pp. 296-307, February 2003.

 

R. K. Mallik and K. V. Rangarao, "On the impulse response of a discrete-time linear IIR system," Digital Signal Processing, vol. 13, no. 1, pp. 128-143, January 2003.


R. K. Mallik and M. Z. Win, "Analysis of hybrid selection/maximal-ratio combining in correlated Nakagami fading," IEEE Transactions on Communications,

vol. 50, no. 8, pp. 1372-1383, August 2002.


R. K. Mallik, M. Z. Win, and J. H. Winters, "Performance of dual-diversity predetection EGC in correlated Rayleigh fading with unequal branch SNRs," IEEE Transactions on Communications, vol. 50, no. 7, pp. 1041-1044, July 2002.

 

D. Singh, A. Kumari, R. K. Mallik, and S. S. Jamuar, "Analysis of rake reception with MRC and imperfect weight estimation for binary coherent orthogonal signaling," IEEE Communications Letters, vol. 6, no. 6, pp. 245-247, June 2002.

 

M. Z. Win and R. K. Mallik, "Error analysis of noncoherent M-ary FSK with postdetection EGC over correlated Nakagami and Rician channels," IEEE Transactions on Communications, vol. 50, no. 3, pp. 378-383, March 2002.

R. K. Mallik, "The inverse of a tridiagonal matrix," Linear Algebra and Its Applications," vol. 325, nos. 1-3, pp. 109-139, March 1 2001.

R. K. Mallik and M. Z. Win, "Error probability of binary NFSK and DPSK with
postdetection combining over correlated Rician channels," IEEE Transactions on Communications, vol. 48, no. 12, pp. 1975-1978, December 2000.

K. R. Sundaram, R. K. Mallik, and U. M. S. Murthy, "Modulo conversion method for estimating the direction of arrival," IEEE Transactions on Aerospace and Electronic Systems, vol. 36, no. 4, pp. 1391-1396, October 2000.

R. K. Mallik, R. A. Scholtz, and G. P. Papavassilopoulos, "Analysis of an on-off jamming situation as a dynamic game," IEEE Transactions on Communications,
vol. 48, no. 8, pp. 1360-1373, August 2000.

R. K. Mallik, "On the solution of a linear homogeneous difference equation with variable coefficients," SIAM Journal on Mathematical Analysis, vol. 31, no. 2, pp. 375-385, 2000.

R. K. Mallik, "Eigenvectors of lower triangular matrices," International Journal of Applied Mathematics, vol. 2, no. 1, pp. 47-56, 2000.

R. K. Mallik, "Jordan canonical forms of some lower triangular matrices
with repeated eigenvalues," International Journal of Mathematics, Game Theory,
and Algebra, vol. 8, no. 4, pp. 175-185, 1999.

R. K. Mallik, "The inverse of a lower triangular matrix," International Journal of Mathematics, Game Theory, and Algebra, vol. 8, no. 4, pp. 167-174, 1999.

R. K. Mallik, "On the solution of a third order linear homogeneous
difference equation with variable coefficients," Journal of Difference Equations and Applications, vol. 4, issue 6, pp. 501-521, December 1998.

R. K. Mallik, K. V. Rangarao, and U. M. S. Murthy, "DOA estimation by least squares approach," Electronics Letters, vol. 34, no. 12, pp. 1187-1189, June 11 1998.

R. K. Mallik, "Solutions of linear difference equations with variable coefficients," Journal of Mathematical Analysis and Applications, vol. 222, no. 1, pp. 79-91, June 1 1998.

R. K. Mallik, "On the solution of a second order linear homogeneous
difference equation with variable coefficients," Journal of Mathematical Analysis and Applications, vol. 215, no. 1, pp. 32-47, November 1 1997.

CONFERENCE PUBLICATIONS (INTERNATIONAL)

-----------------------------------------------------------------------------

N. Fayaz, A. Shreshtha, S. Sarangi, R. K. Mallik, and B. Lall, “Semantic-aided image transmission system with unequal error protection for next-generation communication networks,” In Proceedings of the IEEE Wireless Communications and Networking Conference, Dubai, U.A.E., April 21-24 2024.

 

N. Fayaz, B. Lall, and R. K. Mallik, “Analysis of a multifarious user: Semantic-aided error reduction,” In Proceedings of the International Conference on Communication Systems and Networks, Bengaluru, India, January 3-7 2024.

 

R. Choudhury, A. K. Mandal, S. De, K. Saha, and R. K. Mallik, “DC signature analysis aided power source identification,” In Proceedings of the International Conference on Industrial and Information Systems, Peradeniya, Sri Lanka, August 25-26 2023.

 

P. Biswas, R. K. Mallik, and J. H. Winters, “Differential detection based deterministic

linear processing for single-user MIMO systems,” In Proceedings of the IEEE Military Communications Conference, National Capital Region, U.S.A., November 28-December 2 2022.

 

R. Mahendra, S. K. Mohammed, and R. K. Mallik, “Performance of MRC and ZF receivers in IQ-impaired uplink massive MIMO systems,” In Proceedings of the International Conference

on Communication Systems and Networks, Online, January 5-9 2021.

 

R. Mahendra, S. K. Mohammed, and R. K. Mallik, “Compensation of receiver IQ imbalance

in mm-wave hybrid beamforming systems,” In Proceedings of the IEEE Vehicular

Technology Conference-Fall, Online, November 18-December 16 2020.

 

R. Mahendra, S. K. Mohammed, and R. K. Mallik, “Transmitter IQ imbalance

pre-compensation for mm-wave hybrid beamforming systems,” In Proceedings of the IEEE Vehicular Technology Conference-Spring, Online, May 25-July 31 2020.

 

S. Joshi, R. K. Mallik, and J. H. Winters, “Deterministic linear transmit processing for

single-user MIMO systems,” In Proceedings of the International Conference on Communication Systems and Networks, Bengaluru, India, January 7-11 2020.

 

B. R. Manoj, R. K. Mallik, and M. R. Bhatnagar, “Buffer-aided DF relaying network with CCI,” In Proceedings of the IEEE Vehicular Technology Conference-Fall, Honolulu, HI, U.S.A., September 22-25 2019.

 

S. Joshi and R. K. Mallik, “Cooperative NOMA with AF relaying over Nakagami-m fading in a D2D network,” In Proceedings of the IEEE Vehicular Technology Conference-Spring, Kuala Lumpur, Malaysia, April 28-May 1 2019.

 

R. Amiri, H. Mehrpouyan, L. Fridman, R. K. Mallik, A. Nallanathan, and D. Matolak, “A machine

learning approach for power allocation in HetNets considering QoS,” In Conference Record of the IEEE International Conference on Communications, Kansas City, MO, U.S.A., May 20-24 2018.

 

B. R. Manoj, R. K. Mallik, and M. R. Bhatnagar, “Priority-based max-link relay selection scheme for buffer-aided DF cooperative networks,” In Proceedings of the IEEE Wireless Communications and Networking Conference, Barcelona, Spain, April 15-18 2018.

 

N. Pandey, R. K. Mallik, and B. Lall, “Truncated L´evy statistics for diffusion based molecular communication,” In Conference Record of the IEEE Global Communications Conference, Singapore, December 4-8 2017.

 

A. Dubey, C. Kundu, T. M. N. Ngatched, O. A. Dobre, and R. K. Mallik, “Incremental selective

decode-and-forward relaying for power line communication,” In Proceedings of the IEEE Vehicular Technology Conference-Fall, Toronto, Canada, September 24-27 2017.

 

B. R. Manoj, R. K. Mallik, and M. R. Bhatnagar, “Buffer-aided max-link relay selection in multi-hop DF cooperative networks,” In Proceedings of the IEEE Vehicular Technology Conference-Fall, Montreal, Canada, September 18-21 2016.

 

S. P. Dash, R. K. Mallik, and S. K. Mohammed, “Coherent detection in a receive diversity PLC system under Nakagami-m noise environment,” In Proceedings of the IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, Valencia, Spain, September 4-7 2016.

 

D. Sharma, R. K. Mallik, S. Mishra, A. Dubey, and V. Ranjan, “Voltage control of a DC microgrid

with double-input converter in a multi-PV scenario using PLC,” In Proceedings of the IEEE Power and Energy Society General Meeting, Boston, MA, U.S.A., July 17-21 2016.

 

R. K. Mallik and R. D. Murch, “Precoder design for a three-input multiple-output

spatial multiplexing system with noncoherent reception,” In Proceedings of the

IEEE Wireless Communications and Networking Conference, Doha, Qatar,

April 3-6 2016.

 

Y. Deng, L. Wang, M. Elkashlan, A. Nallanathan, and R. K. Mallik, “Secure

multi-antenna transmission in three-tier wireless sensor networks,” In Conference Record

of the IEEE Global Communications Conference, San Diego, CA, U.S.A.,

December 6-10 2015.

 

A. Dubey, D. Sharma, R. K. Mallik, and S. Mishra, “Modeling and performance analysis of a PLC system in presence of impulsive noise,” In Proceedings of the IEEE Power and Energy Society General Meeting, Denver, CO, U.S.A., July 26-30 2015.

 

A. Singhal, R. K. Mallik, and B. Lall, “Performance of amplitude modulation schemes for molecular communication over a fluid medium,” In Proceedings of the IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, Washington, DC, U.S.A., September 2-5 2014.

 

L. Wang, M. Elkashlan, J. Huang, R. Schober, and R. K. Mallik, “Secrecy outage of TAS/GSC in Nakagami-m fading channels,” In Conference Record of the IEEE International Conference on Communications, Sydney, Australia, June 10-14 2014.

 

Y. Deng, M. Elkashlan, P. L. Yeoh, T. Q. Duong, and R. K. Mallik, “Generalized selection combining in cognitive MIMO relay networks,” In Conference Record of the IEEE International Conference on Communications, Sydney, Australia, June 10-14 2014.

 

N. C. Sagias, R. K. Mallik, and N. D. Tselikas, “Asymptotic analysis for dual-hop communication networks with PSK and imperfect CSI,” In Proceedings of the IEEE Wireless Communications and Networking Conference, Istanbul, Turkey, April 6-9 2014.

 

A. Singh, M. R. Bhatnagar, and R. K. Mallik, “Performance analysis of multiple sample based improved energy detector in collaborative CR networks,” In Proceedings of the IEEE International Symposium on Personal, Indoor and Mobile Radio Communications,

London, U.K., September 8-11 2013.

 

Arti M. K., R. K. Mallik, and R. Schober, “Channel estimation and decoding of OSTBC in

two-way AF MIMO relay networks,” In Proceedings of the IEEE Vehicular Technology

Conference-Fall, Las Vegas, NV, U.S.A., September 2-5 2013.

 

A. Dubey, R. K. Mallik, and R. Schober, “Performance of a PLC system in impulsive noise with selection combining,” In Conference Record of the IEEE Global Communications Conference, Anaheim, CA, U.S.A., December 3-7 2012.

 

F. Moghimi, R. K. Mallik, and R. Schober, “Sensing time and power optimization in MIMO cognitive radio networks,” In Conference Record of the IEEE Global Communications Conference, Anaheim, CA, U.S.A., December 3-7 2012.

 

T. Islam, R. Schober, and R. K. Mallik, “Coded cooperation for BICM-OFDM,” In Proceedings of the IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications, Sydney, Australia, September 9-12 2012.

 

Arti M. K., R. K. Mallik, and R. Schober, “Joint channel estimation and decoding of space-time block codes in AF MIMO relay networks,” In Proceedings of the International Conference on Signal Processing and Communications, Bangalore, India, July 22-25 2012.

 

A. Kamboj, R. K. Mallik, M. Agrawal, and R. Schober, “Diversity combining in FSO systems in presence of non-Gaussian noise,” In Proceedings of the International Conference on Signal Processing and Communications, Bangalore, India, July 22-25 2012.

 

K. Dhaka, R. K. Mallik, and R. Schober, “Optimal power allocation in a multi-hop

decode-and-forward communication system,” In Conference Record of the IEEE International Conference on Communications, Ottawa, Canada, June 10-15 2012.

 

I. Ahmed, A. Ikhlef, R. Schober, and R. K. Mallik, “Power allocation in energy harvesting relay systems,” In Proceedings of the IEEE Vehicular Technology Conference-Spring,

Yokohama, Japan, May 6-9 2012.

 

A. Kumar, R. K. Mallik, and R. Schober, “Duopoly price competition of WLAN service providers in presence of heterogeneous user demand,” In Proceedings of the IEEE Wireless Communications and Networking Conference, pp. 2411-2416, Paris, France, April 1-4 2012.

 

I. Ahmed, A. Nasri, D. S. Michalopoulos, R. Schober, and R. K. Mallik, “Performance analysis and power allocation of AF best relay selection in generic noise,” In Proceedings of the IEEE Wireless Communications and Networking Conference, pp. 1129-1135, Paris, France,

April 1-4 2012.

 

Y. Shi, X. Dong, K. B. Letaief, and R. K. Mallik, “Coalition-assisted resource allocation for large-scale cooperative networks,” In Conference Record of the IEEE Global Communications Conference, Houston, TX, U.S.A., December 5-9 2011.

 

T. Islam, A. Nasri, R. Schober, R. K. Mallik, and V. K. Bhargava, “Network coded cooperative BICMOFDM,” In Conference Record of the IEEE Global Communications Conference, Houston, TX, U.S.A., December 5-9 2011.

 

A. Singh, M. R. Bhatnagar, and R. K. Mallik, “Optimization of cooperative spectrum sensing with an improved energy detector over imperfect reporting channels,” In Proceedings of the IEEE Vehicular Technology Conference-Fall, San Francisco, CA, U.S.A., September 5-8 2011.

 

K. Dhaka, R. K. Mallik, and R. Schober, “Performance analysis of a multi-hop communication system with decode-and-forward relaying,” In Conference Record of the IEEE International Conference on Communications, Kyoto, Japan, June 5-9 2011.

 

R. K. Mallik and J. H. Winters, “Dual-diversity square-law combining with deterministic weights in correlated Rayleigh fading,” In Conference Record of the IEEE International Conference on Communications, Kyoto, Japan, June 5-9 2011.

 

T. Islam, A. Nasri, R. Schober, and R. K. Mallik, “Analysis and relay placement for DF cooperative BICM-OFDM systems,” In Proceedings of the IEEE Wireless Communications and Networking Conference, Cancun, Mexico, March 28-31 2011.

 

F. Moghimi, R. Schober, and R. K. Mallik, “Hybrid coherent/energy detection for cognitive radio networks,” In Conference Record of the IEEE Global Communications Conference, Miami, FL, U.S.A., December 6-10 2010.

 

T. Islam, R. Schober, R. K. Mallik, and V. K. Bhargava, “Amplify-and-forward cooperative diversity for BICM-OFDM systems,” In Conference Record of the IEEE Global Communications Conference, Miami, FL, U.S.A., December 6-10 2010.

 

Y. Shi, K. B. Letaief, and R. K. Mallik, “Game-theoretic resource allocation for two-hop interference channels,” In Conference Record of the IEEE Global Communications Conference, Miami, FL, U.S.A., December 6-10 2010.

 

I. Ahmed, R. Schober, and R. K. Mallik, “Asymptotic performance of Lp-norm MIMO detection,” In Proceedings of the IEEE Vehicular Technology Conference-Fall, Ottawa, Canada, September 6-9 2010 (Invited Paper).

 

T. Islam, R. Schober, R. K. Mallik, and V. K. Bhargava, “Cooperative BICM-OFDM: Sub-carrier and power allocation,” In Proceedings of the International Conference on Signal

Processing and Communications, Bangalore, India, July 18-21 2010 (Invited Paper).

 

M. D. Selvaraj and R. K. Mallik, “SEP of a scaled selection combining scheme with decode and forward relaying for MPSK signaling,” In Proceedings of the International Conference on Signal Processing and Communications, Bangalore, India, July 18-21 2010.

 

Y. Shi, R. K. Mallik, and K. B. Letaief, “Power control for relay-assisted wireless systems with general relaying,” In Conference Record of the IEEE International Conference on Communications, Cape Town, South Africa, May 23-27 2010.

 

P. Dharmawansa, M. R. McKay, R. K. Mallik, and K. B. Letaief, “Optimality of beamforming for a correlated MISO relay channel,” In Conference Record of the IEEE International Conference on Communications, Cape Town, South Africa, May 23-27 2010.

 

R. K. Mallik, M. R. Bhatnagar, and J. H. Winters, “Deterministic processing for MIMO systems,” In Proceedings of the International Symposium on Communications, Control and Signal Processing, Limassol, Cyprus, March 3-5 2010 (Invited Paper).

R. K. Mallik and J. H. Winters, “Deterministic combining for fading channels,” In Conference Record of the IEEE International Conference on Communications, Dresden, Germany, June 14-18 2009.

P. Dharmawansa, M. R. McKay, and R. K. Mallik, “Dual hop MIMO relaying with orthogonal space-time block codes,” In Conference Record of the IEEE International Conference on Communications, Dresden, Germany, June 14-18 2009.

N. C. Sagias, R. K. Mallik, and G. S. Tombras, “Error rate performance of multilevel signals with coherent detection,” In Conference Record of the IEEE Global Communications Conference, New Orleans, LA, U.S.A., November 30-December 4 2008.

E. Bayaki, R. Schober, and R. K. Mallik, “Performance analysis of free-space optical systems in gamma-gamma fading,” In Conference Record of the IEEE Global Communications Conference, New Orleans, LA, U.S.A., November 30-December 4 2008.

R. K. Mallik, "Distribution of inner product of two complex Gaussian vectors and

its application to MPSK performance," In Conference Record of the IEEE International Conference on Communications, pp. 4616-4620, Beijing, China, May 19-23 2008.

 

W. Zhang, R. K. Mallik, and K. B. Letaief, "Cooperative spectrum sensing optimization in cognitive radio networks," In Conference Record of the IEEE International Conference on Communications, pp. 3411-3415, Beijing, China, May 19-23 2008.

 

M. D. Selvaraj and R. K. Mallik, "Performance analysis of two-user cooperation diversity," In Proceedings of the IEEE Vehicular Technology Conference-Spring, pp. 619-623,

Singapore, May 11-14 2008.

 

R. K. Mallik and J. H. Winters, "Optimum receiver for a realistic transmit-receive diversity system," In Conference Record of the IEEE Global Communications

Conference, pp. 4091-4095, Washington, DC, U.S.A., November 26-30 2007.

 

R. K. Mallik, "Error performance of rectangular signaling with MRC in Nakagami

fading," In Conference Record of the IEEE International Conference on

Communications, pp. 4017-4022, Glasgow, Scotland, U.K., June 24-28 2007.

 

R. K. Mallik and P. Garg, "Optimum and suboptimum receivers for space-time coded systems in correlated fading," In Conference Record of the IEEE International Conference on Communications, pp. 4399-4404, Glasgow, Scotland, U.K., June 24-28 2007.

 

H. Tyagi, R. K. Mallik, and S. Raina, "Optimal receiver for MPSK signaling with imperfect channel estimation," In Proceedings of the IEEE Wireless Communications and Networking Conference, pp. 483-487, Hong Kong, March 11-15 2007.

 

R. K. Mallik, "Some properties of the uniform correlation matrix and their applications," In Proceedings of the IEEE Wireless Communications and Networking Conference, pp. 1051-1056, Hong Kong, March 11-15 2007.

 

D. S. Michalopoulos, G. K. Karagiannidis, T. A. Tsiftsis, and R. K. Mallik, "An optimized user selection method for cooperative diversity systems," In Conference Record of the IEEE Global Telecommunications Conference, San Francisco, CA, U.S.A., November 27-December 1 2006.

 

S. Adlakha, R. K. Mallik, and A. Vazirani, "Multiuser detection techniques for TH-PPM systems," In Conference Record of the IEEE International Conference on

Communications, vol. 11, pp. 4959-4964, Istanbul, Turkey, June 11-15 2006.

 

R. K. Mallik and Q. T. Zhang, "A tight upper bound on the PEP of a space-time coded system," In Conference Record of the IEEE International Conference on

Communications, vol. 3, pp. 1283-1288, Istanbul, Turkey, June 11-15 2006.

 

G. K. Karagiannidis, T. A. Tsiftsis, R. K. Mallik, N. C. Sagias, and S. A. Kotsopoulos, "Closed-form bounds for multihop relayed communications in Nakagami-m fading," In Conference Record of the IEEE International Conference on Communications, vol. 4, pp. 2362-2366, Seoul, Korea, May 16-20 2005.

 

R. K. Mallik, P. Gupta, and Q. T. Zhang, "Minimum selection GSC in independent Rayleigh fading," In Conference Record of the IEEE International Conference on

Communications, vol. 1, pp. 478-482, Seoul, Korea, May 16-20 2005.

 

P. Garg, R. K. Mallik, and H. M. Gupta, "Exact error performance of space-time coding with channel estimation," In Conference Record of the IEEE International Conference on Communications, vol. 1, pp. 573-577, Seoul, Korea, May 16-20 2005.

 

V. Mittal, Y. Gautam, R. K. Mallik, and S. D. Joshi, "Analysis of wavelet modulation in frequency-selective fading," In Conference Record of the IEEE Global Telecommunications Conference, vol. 1, pp. 452-456, Dallas, Texas, U.S.A., November 29-December 3 2004.

 

P. Gupta, N. Bansal, and R. K. Mallik, "Analysis of minimum selection GSC in Rayleigh fading," In Conference Record of the IEEE International Conference on Communications, vol. 6, pp. 3364-3368, Paris, France, June 20-24 2004.

 

R. K. Mallik, D. Singh, and A. Kumari, "Analysis of rake reception with multiple symbol weight estimation for antipodal signaling," In Conference Record of the IEEE International Conference on Communications, vol. 4, pp. 2784-2788, Anchorage, Alaska, U.S.A., May 11-15 2003.

 

A. Dua, U. B. Desai, and R. K. Mallik, "Minimum joint probability of error based adaptive multiuser detection for multipath DS-CDMA channels," In Proceedings of the IEEE Vehicular Technology Conference-Spring, vol. 4, pp. 2394-2398, Jeju, Korea, April 22-25 2003.

 

R. K. Mallik and M. Z. Win, "A new approach to the performance analysis of DS-CDMA systems over fading channels," In Proceedings of the IEEE International Conference on Personal Wireless Communications, pp. 300-304, New Delhi, India, December 15-17 2002.

 

P. Garg, R. K. Mallik, and H. M. Gupta, "Performance analysis of space-time coding with imperfect channel estimation," In Proceedings of the IEEE International Conference on Personal Wireless Communications, pp. 71-75, New Delhi, India, December 15-17 2002.

 

R. K. Mallik and M. Z. Win, "Analysis of H-S/MRC in correlated Nakagami fading," In Conference Record of the IEEE Global Telecommunications Conference, vol. 2, pp. 1389-1393, Taipei, Taiwan, November 17-21 2002.

 

M. Z. Win and R. K. Mallik, "Acquisition of spread spectrum signals in Rayleigh fading," In Conference Record of the IEEE Global Telecommunications Conference, vol. 1, pp. 856-860, Taipei, Taiwan, November 17-21 2002.

 

R. K. Mallik and M. Z. Win, "Code lag estimation of Rayleigh-faded spread spectrum signals using an antenna array," In Proceedings of the IEEE International Symposium on Information Theory, p. 332, Lausanne, Switzerland, June 30-July 5 2002.

 

R K. Mallik, M. Z. Win, and M. Chiani, "Exact analysis of optimum combining in interference and noise over a Rayleigh fading channel," In Conference Record of the IEEE International Conference on Communications, vol. 3, pp. 1954-1958, New York, NY, U.S.A., April 28-May 2 2002.

P. A. Dighe, R. K. Mallik, and S. S. Jamuar, "Analysis of transmit-receive diversity in Rayleigh fading," In Conference Record of the IEEE Global Telecommunications Conference, vol. 2, pp. 1132-1136, San Antonio, TX, U.S.A.,
November 25-29 2001.

P. A. Dighe, R. K. Mallik, and S. S. Jamuar, "Analysis of K-transmit dual-receive diversity with cochannel interferers over a Rayleigh fading channel," In Conference Record of the IEEE Global Telecommunications Conference, vol. 2, pp. 1225-1229, San Antonio, TX, U.S.A., November 25-29 2001.

A. Kumari, D. Singh, R. K. Mallik, and S. S. Jamuar, "Error analysis of antipodal signaling with rake reception, MRC, and imperfect weight estimation," In Proceedings of the International Symposium on Wireless Personal Multimedia Communications, vol. 2, pp. 1181-1184, Aalborg, Denmark, September 9-12 2001.

M. Z. Win and R. K. Mallik, "Error analysis of noncoherent M-ary FSK with postdetection EGC over correlated Nakagami and Rician channels," In Conference Record of the IEEE International Conference on Communications,  vol. 7, pp. 2241-2245, Helsinki, Finland, June 11-14 2001.

R. K. Mallik and A. K. Gogoi, "An optimum detector for coherent M-ary signaling in the presence of impulsive noise," In Proceedings of the IEEE International Conference on Personal Wireless Communications, pp. 363-367, Hyderabad, India, December 17-20 2000.

K. Kadambari, K. V. Rangarao, and R. K. Mallik, "Demodulation of BFSK signals by adaptive digital notch filtering," In Proceedings of the IEEE International Conference on Personal Wireless Communications, pp. 217-219, Hyderabad, India, December 17-20 2000.

 

R. K. Mallik, M. Z. Win, and J. H. Winters, "Performance of predetection dual diversity in correlated Rayleigh fading: EGC and SD," In Conference Record of the IEEE Global Telecommunications Conference, vol. 2, pp. 932-936, San Francisco, CA, U.S.A., November 27-December 1 2000.

M. Z. Win, R. K. Mallik, G. Chrisikos, and J. H. Winters, "Higher order statistics of the output SNR of hybrid selection/maximal-ratio combining," In Conference Record of the IEEE Global Telecommunications Conference, vol. 2, pp. 922-926, San Francisco, CA, U.S.A., November 27-December 1 2000.

R. K. Mallik, "Some aspects of multivariate Rayleigh and exponential distributions," In Proceedings of the IEEE International Symposium on Information Theory, p. 56, Sorrento, Italy, June 25-30 2000.

R. K. Mallik and M. Z. Win, "Channel capacity in evenly correlated Rayleigh fading with different adaptive transmission schemes and maximal ratio combining," In Proceedings of the IEEE International Symposium on Information Theory, p. 412, Sorrento, Italy, June 25-30 2000.

M. Z. Win, R. K. Mallik, G. Chrisikos, and J. H. Winters, "Canonical expressions for the error probability performance for M-ary modulation with hybrid selection/maximal-ratio combining in Rayleigh fading," In Proceedings of the IEEE Wireless Communications and Networking Conference, vol. 1, pp. 266-270, New Orleans, LA, U.S.A., September 21-24 1999 (INVITED PAPER).

S. Ray, A. K. Gogoi, and R. K. Mallik, "Closed form expression for mutual partial inductance between two skewed linear current segments," In Proceedings of the IEEE Antennas and Propagation Society International Symposium, vol. 2, pp. 1278-1281, Orlando, FL, U.S.A., July 11-16 1999.

A. K. Gogoi, R. K. Mallik, A. Mahanta, and R. Raghuram, "Peformance of a coherent BPSK receiver in an impulsive noise environment," In Proceedings of the IEEE International Conference on Personal Wireless Communications, pp. 471-475, Jaipur, India, February 17-19 1999.

R. K. Mallik and R. A. Scholtz, "On the existence of a steady state solution to a dynamic jamming game," In Proceedings of the IEEE International Symposium on Information Theory, p. 303, Cambridge, MA, U.S.A., August 16-21 1998.

R. K. Mallik, "State clustering method for solving a dynamic jamming game," In Proceedings of the IEEE International Symposium on Information Theory, p. 211, Ulm, Germany, June 29-July 4 1997.

R. K. Mallik and R. A. Scholtz, "On grid solutions of a dynamic jamming game," In Proceedings of the IEEE International Symposium on Information Theory, p. 214, Ulm, Germany, June 29-July 4 1997.

R. K. Mallik and R. A. Scholtz, "Cyclotomic cosets and steady state solutions to a dynamic jamming game," In Proceedings of the IEEE International Symposium on Information Theory, p. 272, Whistler, B.C., Canada, September 17-22 1995.

K. D. Juvva, R. K. Mallik, and Y. S. N. Murty, "An intelligent controller using a self-learning neural net," In Proceedings of the IEEE/IAS International Conference on Industrial Automation and Control, pp. 235-238, Hyderabad, India, January 5-7 1995.

R. K. Mallik, R. A. Scholtz, and G. Papavassilopoulos, "A simple dynamic jamming game," In Proceedings of the IEEE International Symposium on Information Theory, p. 383, Trondheim, Norway, June 27-July 1 1994.

R. K. Mallik, R. A. Scholtz, and G. P. Papavassilopoulos, "On the steady state solution of a two-by-two dynamic jamming game with cumulative power constraints," In Conference Record of the Asilomar Conference on Signals, Systems, and Computers, vol. 2, pp. 888-892, Pacific Grove, CA, U.S.A., November 4-6 1991.

CONFERENCE PUBLICATIONS (NATIONAL)
-------------------------------------------------------------------

S. P. Dash, R. K. Mallik, and S. K. Mohammed, “Performance analysis of a Gauss-optimal receiver for a receive diversity PLC system in Nakagami-m noise environment,” In Proceedings of the National Conference on Communications, IIT Hyderabad, India,

February 25-28 2018.

 

A. K. Mandpura, S. Prakriya, and R. K. Mallik, “Outage probability of amplify-and-forward

two-way cooperative systems in presence of multiple co-channel interferers,” In Proceedings

of the National Conference on Communications, New Delhi, India, February 15-17 2013.

 

M. D. Selvaraj and R. K. Mallik, “Full CSI selection combining for multi-relay cooperative diversity systems,” In Proceedings of the National Conference on Communications, Kharagpur, India, February 3-5 2012.

 

Arti M. K., R. K. Mallik, and R. Schober, “Beamforming and combining based on estimated channels in cooperative relay networks,” In Proceedings of the National Conference on Communications, Kharagpur, India, February 3-5 2012.

 

A. Singh, M. R. Bhatnagar, and R. K. Mallik, “Threshold optimization of finite sample based cognitive radio network,” In Proceedings of the National Conference on Communications, Kharagpur, India, February 3-5 2012.

 

A. Singh, M. R. Bhatnagar, and R. K. Mallik, “Cooperative spectrum sensing with an improved energy detector in cognitive radio network,” In Proceedings of the National Conference on Communications, Bangalore, India, January 28-30 2011.

 

M. D. Selvaraj and R. K. Mallik, “Performance analysis of a multi-relay cooperative diversity network with decode and forward relaying,” In Proceedings of the National Conference on Communications, Chennai, India, January 29-31 2010.

M. D. Selvaraj, R. K. Mallik, and R. Goel, “Performance analysis of the optimum receiver for decode and forward relaying,” In Proceedings of the National Conference on Communications, pp. 155-159, Guwahati, India, January 16-18 2009.

R. K. Mallik, S. Jain, and R. K. Garodia, "Performance of the decorrelating detector in correlated Rayleigh fading," In Proceedings of the National Conference on Communications, pp. 369-373, Mumbai, India, February 1-3 2008.

 

R. K. Mallik, S. Bhardwaj, and N. Chaudhary, "Analysis of 2D-rake reception in frequency selective fading," In Proceedings of the National Conference on Communications, pp. 18-22, New Delhi, India, January 27-29 2006.

 

R. K. Mallik and P. Garg, "Effect of channel correlation on the performance of space-time coded systems," In Proceedings of the National Conference on Communications, pp. 13-17, New Delhi, India, January 27-29 2006.

 

R. K. Mallik and Q. T. Zhang, "Optimum combining with correlated interference," In Proceedings of the National Conference on Communications, pp. 387-392, Kharagpur, India, January 28-30 2005.


I. Nigam and R. K. Mallik, "A joint performance measure for the decorrelating multiuser detector," In Proceedings of the National Conference on Communications, pp. 95-100, Bangalore, India, January 30-February 1 2004.

 

D. Singh, A. Kumari, R. K. Mallik, and S. S. Jamuar, "Analysis of rake reception with MRC and imperfect weight extimation for binary coherent orthogonal signaling," In Proceedings of the National Conference on Communications, pp. 90-94, Mumbai, India, January 25-27 2002.

K. R. Sundaram, R. K. Mallik, and U. M. S. Murthy, "DOA estimation by modulo conversion," In Proceedings of the National Conference on Communications, pp. 291-294, New Delhi, India, January 28-30 2000.

R. K. Mallik, U. M. S. Murthy, and K. V. Rangarao, "A least squares approach for estimating the direction of arrival," In Proceedings of the National Conference on Communications, pp. 29-36, Bangalore, India, January 29-31 1998.

R. K. Mallik, "A dynamic jamming game with finite memory," In Proceedings of the National Conference on Communications, pp. 109-113, Chennai, India, January 31-February 2 1997.

R. K. Mallik and R. A. Scholtz, "A Karmarkar's algorithm based method for solving constrained communication jamming games," In Proceedings of the National Conference on Communications, pp. 203-206, Bombay, India, February 16-18 1996.

K. V. Rangarao and R. K. Mallik, "Expert system programming for emulating the skills of a pilot," In IEEE Symposium on Intelligent Systems: Extended Abstracts, pp. 121-127, Bangalore, India, November 22-23 1993.

Y. S. N. Murty and R. K. Mallik, "Analysis of performance of ground-to-air communication under static location jammer conditions," In IEEE Symposium on Intelligent Systems: Extended Abstracts, pp.1-5, Bangalore, India, November 23-24 1992.

PROFESSIONAL ACTIVITIES

Served as an Area Editor, IEEE Transactions on Wireless Communications

Served as an Editor, IEEE Transactions on Communications

Served as an Editor, IEEE Transactions on Wireless Communications

Served as a Guest Editor, EURASIP Journal on Advances in Signal Processing: Special Issue on Distributed Space-Time Systems, 2008

Served as a Guest Editor, IEEE Wireless Communications, vol. 31, no. 1, February 2024 (Terahertz Communications and Sensing for 6G and Beyond: How Far Are We?)

Served as Technical Program Committee Co-Chair for the Communication Theory Symposium of the IEEE International Conference on Communications (ICC), Online, 2021

Served as Technical Program Committee Co-Chair for the PHY Track of the IEEE Wireless Communications and Networking Conference (WCNC), Shanghai, China, 2013

Served as General Chair of the National Conference on Communications (NCC), New Delhi, India, 2013

Served as Technical Program Committee Co-Chair for the Wireless Communications Symposium of the IEEE International Conference on Communications (ICC), Cape Town, South Africa, 2010

Served as Technical Program Committee Co-Chair for the Wireless Communications Symposium of the IEEE Global Communications Conference (GLOBECOM), New Orleans, LA, U.S.A., 2008

Served as Technical Program Committee Chair of the National Conference on Communications (NCC), New Delhi, India, 2006

Served as Publications Chair of the International Conference on Communication Systems and Networks (COMSNETS), 2009

Served as Publications Chair of the International Conference on Communication System Software and Middleware (COMSWARE), 2006, 2007, and 2008

HONORS

Fellow, The Institute of Electrical and Electronics Engineers, Inc. (IEEE)

Fellow, The World Academy of Sciences - for the advancement of science in developing countries (TWAS)

Fellow, Indian National Academy of Engineering (INAE)

Fellow, Indian National Science Academy (INSA)

Fellow, The National Academy of Sciences, India (NASI), Prayagraj

Fellow, Indian Academy of Sciences, Bengaluru

Fellow, West Bengal Academy of Science and Technology (WAST), Kolkata, India

Fellow, The Institution of Engineering and Technology (IET), U.K.

Fellow, The Institution of Electronics and Telecommunication Engineers (IETE), India

Fellow, The Institution of Engineers (India)

Fellow, Asia-Pacific Artificial Intelligence Association (AAIA)

Fellow, Artificial Intelligence Industry Academy (AIIA)

Member, Eta Kappa Nu Association, U.S.A.

Recipient of the “Shanti Swarup Bhatnagar Prize” in Engineering Sciences (awarded by the Council of Scientific and Industrial Research, Government of India), 2008

Recipient of the Khosla National Award (awarded by the Indian Institute of Technology Roorkee), 2016

Recipient of the “Hari Om Ashram Prerit Dr. Vikram Sarabhai Research Award” in the field of Electronics, Telematics, Informatics & Automation (awarded by Physical Research Laboratory, Ahmedabad, India), 2008

Recipient of the IETE Ram Lal Wadhwa Award (awarded by The Institution of Electronics and Telecommunication Engineers (IETE), India), 2017

Recipient of the Prof. P. C. P. Bhatt Faculty Research Award (awarded by the Indian Institute of Technology Delhi) for basic research, 2019

Recipient of the IDRC (International Development Research Centre, Canada) Research Chair in Wireless Communications, 2009

Recipient of the J. C. Bose Fellowship (awarded by the Department of Science and Technology, Government of India), 2018

Recipient of the IEI-IEEE Award for Engineering Excellence (awarded jointly by The Institution of Engineers (India) (IEI) and The Institute of Electrical and Electronics Engineers, Inc. (IEEE), U.S.A.), 2022