A Novel AI-Powered Approach for Narrow Beam Management in 5G
and Beyond Networks
D. Gupta, A. Gautam, A. Ravi, Preetam Kumar
2025 International Conference on Microwave, Optical, and
Communication Engineering (ICMOCE), IEEE, 2025, pp. 1–5
Performance Evaluation of IRS Assisted OMA and NOMA
Communication Systems with Coherent Phase Shift
A. Pandey, S. Anand, Preetam Kumar
2025 National Conference on Communications (NCC), IEEE, 2025,
pp. 1–6
Aim-sure: Ai-driven multi-scale
unified robust ssb channel estimation in 5g and beyond
A.Ravi,M.J.Siya, S. K. Vankayala, S. Singh, Preetam Kumar
IEEE Global Communications Conference
(GLOBECOM), IEEE, 2025
DRLCQ: Deep reinforcement learning based call quality
enhancement in O-RAN
S. Singh, Preetam Kumar, et al.
IEEE
Global Communications Conference (GLOBECOM), IEEE, 2025
A Low-Complexity LLR Detector for FRFT-IM-OFDM in the Presence
of ICI
S. Anand, A. Pandey, Preetam Kumar
2024 27th International Symposium on Wireless Personal
Multimedia Communications (WPMC), IEEE, 2024, pp. 1–5
Effect of Channel Ageing on DMRS Precoding and Channel
Estimation for 5G and Beyond Networks
V. Gaud, A. Ravi, Preetam Kumar
2024 27th International Symposium on Wireless Personal
Multimedia Communications (WPMC), IEEE, 2024, pp. 1–5
Inter-Numerology Interference Mitigation in Mixed Numerology
System using Zero-Forcing Precoding in 5G NR System
N. Kumar, A. Ravi, Preetam Kumar
2024 27th International Symposium on Wireless Personal
Multimedia Communications (WPMC), IEEE, 2024, pp. 1–4
A Novel Rotated Constellation-Based LLR Detector for Flexible
NOMA Based OFDM-IM Scheme
S. Sabud, Preetam Kumar
2024 IEEE Wireless Communications and Networking Conference
(WCNC), IEEE, 2024, pp. 1–6
Hyperparameter Optimized DNN for OFDM Signal Detection in the
Presence of CFO and PO
S. Anand, P. Paritosh, Preetam Kumar
2023 International Conference on Microwave, Optical, and
Communication Engineering (ICMOCE), IEEE, 2023, pp. 1–4
A BBL-Net Based OFDM Signal Detection in the Presence of RF
Impairments
S. Anand, A. K. Singh, Preetam Kumar
2023 National Conference on Communications (NCC), IEEE, 2023,
pp. 1–6
Analysis and Classification of Electroglottography Signals for
the Detection of Speech Disorders
D. Kumar, U. Satija, Preetam Kumar
2023 National Conference on Communications (NCC), IEEE, 2023,
pp. 1–6
Opti-Safe: Optimal Supply and Demand for Providing Safety
Services in SIOV Environment
C. Roy, P. Paritosh, S. Misra, Preetam Kumar
IEEE Global Communications Conference (GLOBECOM), IEEE, 2023,
pp. 2281–2286
Automated Classification of Pathological Speech Signals
D. Kumar, U. Satija, Preetam Kumar
IEEE 19th India Council International Conference (INDICON
2022), IEEE, 2022, pp. 1–5
Performance Analysis of NOMA System Using Fair Power
Allocation Policy
A. Ravi, G. P. Singh, Preetam Kumar
IEEE International Conference on Advanced Networks and
Telecommunications Systems (ANTS 2022), IEEE, 2022, pp. 447–451
Error Rate Analysis and Efficient Channel Dependent Scheduling
for SC-FDMA Uplink
V. K. Trivedi, Preetam Kumar
IEEE International Conference on Advanced Networks and
Telecommunications Systems (ANTS 2019), IEEE, 2019, pp. 1–6
Knowledge Graph Representation Learning Based Drug Informatics
R. Verma, Preetam Kumar
IEEE International Conference on Electronics, Computing and
Communication Technologies (CONECCT 2019), IEEE, 2019, pp. 1–4
BER Performance of Multi User Scheduling for MIMO-OFDM and
MIMO-SC-FDMA Broadcast Network with Imperfect CSI
V. Kumar Trivedi, Preetam Kumar
Twenty Fourth National Conference on Communications (NCC 2018),
IEEE, 2018, pp. 1–6
Error Rate Performance of SC-FDMA with Channel Dependent
Subcarrier Scheduling
V. K. Trivedi, M. K. Sinha, Preetam Kumar
5th International Conference on Signal Processing and
Integrated Networks (SPIN 2018), IEEE, 2018, pp. 220–225
Variable Rate Multicarrier Schemes over Integrated
Satellite-Terrestrial System
A. Agarwal, Preetam Kumar
IEEE International Conference on Communications Workshops (ICC
Workshops 2017), IEEE, 2017, pp. 711–717
BER Performance of Multi User Scheduling for MIMO-STBC and
MIMO-OFDM Broadcast Network with Imperfect CSI
P. Pattanayak, V. K. Trivedi, S. Chakraborty, Preetam Kumar
4th International Conference on Signal Processing and
Integrated Networks (SPIN 2017), IEEE, 2017, pp. 66–70
Interference Reduction by Switching the Underlaying
Transmitter in D2D Communications
C. M. Shamrao, P. Kumar, Preetam Kumar
9th International Conference on Communication Systems and
Networks (COMSNETS 2017), IEEE, 2017, pp. 417–418
FRFT-SC-FDMA Scheme for Uplink in 5G Radio Access Networks
V. K. Trivedi, Preetam Kumar
IEEE International Conference on Communications Workshops (ICC
Workshops 2017), IEEE, 2017, pp. 785–790
Low-complexity CORDIC-based VLSI design and FPGA prototype of
CI-OFDMA system for next-generation
V. Kumar, K. C. Ray, Preetam Kumar
IEEE 12th International Colloquium on Signal Processing & Its
Applications (CSPA), IEEE, 2016, pp. 22–27
SINR based limited feedback scheduling for MIMO-OFDM
heterogeneous broadcast networks
P. Pattanayak, Preetam Kumar
Twenty Second National Conference on Communication (NCC), IEEE,
2016, pp. 1–6
CI/DS-CDMA scheme for autonomous underwater vehicle
communication
P. Kumar, Preetam Kumar
IEEE International Conference on Communication Workshop (ICCW),
IEEE, 2015, pp. 2501–2506
Performance evaluation of DQPSK OFDM for underwater acoustic
communications
P. Kumar, V. K. Trivedi, Preetam Kumar
IEEE Underwater Technology (UT), IEEE, 2015, pp. 1–6
Limited feedback scheduling for MIMO-OFDM broadcast network
P. Pattanayak, Preetam Kumar
18th IEEE International Symposium on Wireless Personal
Multimedia Communications (WPMC), Hyderabad, India, 2015, pp. 13–16
Error rate performance for multiuser scheduling in MIMO
downlink system with imperfect CSI
P. Pattanayak, D. Pandey, Preetam Kumar
IEEE 5th International Conference on Wireless Communications,
Vehicular Technology, Information Theory and Aerospace & Electronic Systems, 2015
An efficient deterministic scheme for blind CFO estimation in
SC-FDMA
V. Trivedi, V. Sagar, Preetam Kumar
International Symposium on Wireless Personal Multimedia
Communications (WPMC), 2015, pp. 1–5
Performance evaluation of MC-CDMA over hybrid
satellite/underwater acoustic channel
V. K. Trivedi, A. Agarwal, Preetam Kumar
10th International Conference on Information, Communications
and Signal Processing (ICICS), IEEE, 2015, pp. 1–6
CORDIC based reconfigurable architecture for DS-CDMA/CI
transmitter
R. Kapoor, S. S. Sundar, Preetam Kumar
IEEE Students’ Technology Symposium, IEEE, 2014, pp. 126–131
Performance evaluation of SFBC-SOFDM for underwater acoustic
channels
P. Kumar, V. Mukati, Preetam Kumar
OCEANS 2014 - TAIPEI, IEEE, 2014, pp. 1–6
A variable rate multi-user CI/GO-OFDMA scheme over frequency
selective channel
V. Mukati, A. R. Khan, B. V. Reddy, Preetam Kumar
IEEE International Conference on Advanced Networks and
Telecommunication Systems (ANTS), IEEE, 2014, pp. 1–5
A novel compact tri-band antenna design for WiMAX, WLAN and
Bluetooth applications
P. B. Nayak, S. Verma, Preetam Kumar
Twentieth National Conference on Communications (NCC), IEEE,
2014, pp. 1–6
Performance evaluation of modified OFDM for underwater
communications
P. Kumar, Preetam Kumar
IEEE International Conference on Communications Workshops
(ICC), IEEE, 2013, pp. 967–971
Multirate schemes for WH-spread-CI/MC-CDMA over correlated
frequency selective channel
M. Mukherjee, Preetam Kumar
National Conference on Communications (NCC), IEEE, 2013, pp.
1–5
The effect of carrier phase jitter on variable rate CI/MC-CDMA
performance
M. Mukherjee, Preetam Kumar
IEEE Wireless Communications and Networking Conference (WCNC),
IEEE, 2013, pp. 3884–3889
Compact Dual-Band Antenna for WLAN Applications
P. B. Nayak, R. Endluri, S. Verma, Preetam Kumar
IEEE 24th Annual International Symposium on Personal, Indoor,
and Mobile Radio Communications (PIMRC), IEEE, 2013, pp. 1381–1385
Multiband Fractal Antenna Design for Cognitive Radio
Applications
P. B. Nayak, S. Verma, Preetam Kumar
International Conference on Signal Processing and Communication
(ICSC), IEEE, 2013, pp. 115–120
Printed Egg Curved Monopole Antenna for Ultrawideband
Applications
S. Verma, Preetam Kumar
National Conference on Communications (NCC), IEEE, 2013, pp.
1–5
Spectral Agility of NC-OFDM Transmission for Dynamic Spectrum
Access
R. Kapoor, Preetam Kumar
5th International Conference on Computers and Devices for
Communication (CODEC), IEEE, 2012, pp. 1–4
DCT Based OFDM for Underwater Acoustic Communication
P. Kumar, Preetam Kumar
1st International Conference on Recent Advances in Information
Technology (RAIT), IEEE, 2012, pp. 170–176
Performance Evaluation of DFT-Spread OFDM and DCT-Spread OFDM
for Underwater Acoustic Communication
P. Kumar, Preetam Kumar
IEEE Vehicular Technology Conference (VTC Fall), IEEE, 2012,
pp. 1–5
WH-Spread OFDM for Underwater Acoustic Communication with
Transmit Diversity
P. Kumar, Preetam Kumar
4th International Conference on Underwater System Technology:
Theory and Applications (USYS’12), 2012, pp. 208–212
Underwater Acoustic Sensor Network for Early Warning
Generation
Preetam Kumar, P. Priyadarshini, et al.
OCEANS, IEEE, 2012, pp. 1–6
Ultrawideband (UWB) Antenna Design for Cognitive Radio
P. B. Nayak, S. Verma, Preetam Kumar
5th International Conference on Computers and Devices for
Communication (CODEC), IEEE, 2012, pp. 1–4
A New Code Allocation Algorithm for Multirate CI/MC-CDMA
System
M. Mukherjee, Preetam Kumar
Third International Conference on Communication Systems and
Networks (COMSNETS), IEEE, 2011, pp. 1–6
Convolutionally Coded CI/MC-CDMA for Wireless Broadband
Communications
M. Mukherjee, Preetam Kumar
Fifth IEEE International Conference on Advanced
Telecommunication Systems and Networks (ANTS), IEEE, 2011, pp. 1–6
An Accurate Analytical Model for Overloaded DS-CDMA under
Imperfect Synchronization
S. Jos, Preetam Kumar, S. Chakrabarti
IEEE 71st Vehicular Technology Conference (VTC), IEEE, 2010,
pp. 1–4
A New Iterative Soft Decision Subcarrier PIC Scheme for
CI/MC-CDMA System
M. Mukherjee, Preetam Kumar
21st Annual IEEE International Symposium on Personal, Indoor
and Mobile Radio Communications, IEEE, 2010, pp. 768–773
Error Free Despreading of Orthogonal Codes in
Quasi-Synchronous Cellular CDMA Communication
S. Jos, S. Chakrabarti, Preetam Kumar
10th International Conference on Advanced Communication
Technology (ICACT), IEEE, vol. 3, 2008, pp. 1785–1789
A Code Selection Criterion Based on Autocorrelation Properties
for Quasi-Synchronous CDMA Communication System
S. Jos, Preetam Kumar, S. Chakrabarti
IEEE 10th International Symposium on Spread Spectrum Techniques
and Applications, IEEE, 2008, pp. 156–160
Performance comparison of orthogonal and quasi-orthogonal
codes in quasi-synchronous cellular CDMA communication
S. Jos, Preetam Kumar, S. Chakrabarti
International Conference on Access Networks, Springer, 2008,
pp. 78–88
A new overloading scheme for cellular DS-CDMA using orthogonal
gold codes
Preetam Kumar, S. Chakrabarti
VTC Spring 2008 - IEEE Vehicular Technology Conference, IEEE,
2008, pp. 1042–1046
BER performance evaluation of overloaded DS-CDMA system with
timing synchronization error
Preetam Kumar, S. Chakrabarti
2008 IEEE Sarnoff Symposium, IEEE, 2008, pp. 1–5
Performance evaluation of a new overloading scheme for
cellular DS-CDMA with iterative multistage interference cancellation receiver
Preetam Kumar, S. Chakrabarti
2008 3rd International Conference on Communication Systems
Software and Middleware and Workshops (COMSWARE’08), IEEE, 2008, pp. 25–30
Overloading performance of OCDMA/OCDMA scheme for cellular
DS-CDMA system on Rayleigh fading channel
Preetam Kumar, S. Jos, S. Chakrabarti
2008 IEEE 10th International Symposium on Spread Spectrum
Techniques and Applications, IEEE, 2008, pp. 539–543
A new overloading scheme for DS-CDMA system
Preetam Kumar, S. Chakrabarti
National Conference on Communication, 2007, pp. 285–288
Performance evaluation of orthogonal/scrambled-orthogonal
overloaded DS-CDMA system
Preetam Kumar, M. Ramesh, S. Chakrabarti
2007 IFIP International Conference on Wireless and Optical
Communications Networks, IEEE, 2007, pp. 1–5
