B5G Research Group | Prof. Rakhesh Singh Kshetrimayum

Rakhesh S. Kshetrimayum

FIET (UK), FIETE, SMIEEE

Dept. of EEE, IIT Guwahati, Assam 781039

rakhesh@ieee.org | rakhesh@comsoc.org

+91-361-2582514

🎉 IEEE RFM 2025 Best Student Paper Award & Student Travel Grant for B. B. Pathak @ Penang, Malaysia | Young Scientist Award by URSI AP-RASC for S. K. Sahu @ Sydney, Australia

📡 Beyond 5G Group

Our group currently focusses on solving technological challenges facing beyond 5G. We are a part of both Microelectronics, Photonics and RF Engineering and Communication Engineering clusters at IIT Guwahati.

In B5G research group, presently, 4 PhD students, 2 MTech students and 1 IPDF are working under supervision of Prof. Rakhesh Singh Kshetrimayum.

👥 Current Members

Dr. Amit Baran Dey
IPDF
PhD, NIT Silchar
Utpal Kumar Sarma
PhD Research Scholar (Part-time)
MTech, Tezpur University
Abhishek Maganbhai Sonagara
PhD Research Scholar
MTech (RF & Microwave), IIT Kharagpur
Bhushan Ballav Pathak
MS+PhD Research Scholar
BTech, IIIT Guwahati
Sidhartha Kumar Sahu
PhD Research Scholar (Co-supervised)
MTech, NIT Rourkela
Pranav Agrawal
MTech Scholar
BTech, Graphic Era University
Lieutenant Colonel Tero Keyang
MTech Scholar (Co-supervised)
BTech, NERIST

Our group has strong alumni presence in India and abroad both in academia and industries.

🎓 B5G Group Alumni

2

IPDF

10

PhD

47

MTP

55

BTP

2

JRF

Dr. S. Mondal — Postdoctoral fellow @National Sun Yat Sen University, Taiwan (Hybrid RF/FSO communication, 2021-23)
Dr. S. Borah — FDTD analysis of Printed Monopole Antennas (2014-15)

Dr. M. Mishra — NPDF @IITK, Research Scientist @NUS, now Asst. Prof. @IIT Mandi (COMSNETS Fellow, 2023)
Dr. S. Chaudhuri — Asst. Prof. @GSV Vadodara (Dual Circularly Polarized Antennas, 2020)
Dr. R. S. Sangam — Asst. Prof. @IIEST Shibpur (Microwave Passive Devices, 2020)
Dr. A. Bhowal — Postdoc @INRS Canada, Asst. Prof. @NIT Rourkela (Best Thesis Award, 2020)
Dr. A. Agrawal — Asst. Prof. @IIIT Kota (UWB/mm-Wave, Best Poster Award, 2018)
Dr. S. Bhattacharjee — Asst. Prof. @IIIT Dharwad (Printed Monopole Antennas, 2016)
Dr. B. Kumbhani — Asst. Prof. @IIT Ropar (MIMO Systems, 2015)
Dr. M. Manohar — Assoc. Prof. @MITS (Super Wideband Antennas, 2015)
Dr. J. R. Panda — Assoc. Prof. @KIIT (RFID/WLAN Antennas, 2012)
Dr. S. S. Karthikeyan — Assoc. Prof. @NIT Trichy (Metamaterial Resonators, 2011)

Jonnalagadda Tharun Kumar (2025) — Sum-Rate Improvement in IRS-aided Cell-Free Network
Sourav Sarkar (2025) — Liquid/Solid DRA for Beyond 5G
Varsha Raghav (2024) — Active IRS-aided Cell-Free Network
Korada Maneesh Kumar (2024) — Power Divider for B5G Radio Stripe
Swrjima Rani Boro (2024) — Active RIS Based Wireless Energy Transfer
Pooja Rawan Dhangar (2023) — Novel Metasurface Design
Kongari Saikiran (2022) — Circularly Polarized MIMO DRA
K. S. V. N. Sai Kumar (2022) — IRS aided MIMO Spatial Modulation
L. Sunanda (2021) — Ultra-thin Printed Microwave Filters
S. Kumar (2021) — DRA with SSPP (now PhD @NTU Singapore)
S. Dash (2020) — Microstrip Filters (Best MTech Thesis, now PhD @University College Dublin)
A. Sundrani (2020) — Characteristic mode analysis for SSPP
A. S. Sapre (2019) — Enhanced Spatial Modulation
R. Lalani (2019) — SMBM for B2B Applications
S. Mog (2018) — Massive MIMO over Generalized Fading
P. Gorakhiya (2018) — Two-Way Relay with Spatial Modulation
P. Ramkumar (2017) — Dual-polarized printed antennas
B. N. V. S. Sai Kalyan (2017) — SIW Antennas
A. Polkam (2016) — Distributed Space-time Codes (now MS @SUNY Buffalo)
G. Singh (2016) — FDTD methods
V. P. Vani (2015) — BeamSpace MIMO
G. Joseph (2015) — Large MIMO Systems
R. Uikey (2015) — UWB Microstrip Filters
V. K. Mohandas (2014) — STBC Spatial Modulation
N. Kumar (2014) — Cooperative MIMO over κ-μ fading (PhD @IITG)
P. Bharadwaj (2014) — MoM for printed antennas
A. Kumar (2014) — Spectral domain MoM
S. Sunani (2014) — MIMO with Antenna Selection
L. N. B. Reddy (2014) — Cooperative Communication over κ-μ/η-μ fading
A. Singh Chauhan (2013) — QAM under fading
S. Anil Kumbhar (2013) — MIMO Detection
R. Pravin Kumar (2013) — LDPC concatenation
Rajkumar Jogi (2012) — Space Time Codes
Srinivas Ramavath (2012) — PAPR reduction for OFDM
V. Kumar Veludandi (2012) — UWB interference mitigation (PhD @IITK)
Prasadu Kakumanu (2011) — UWB filter design
U. Kiran Nemani (2011) — UWB antenna characteristics
A. Sriram Saladi (2010) — RFID tag antennas
S. Reddy Mallipeddy (2010) — UWB coexistence
Sunil Bojanapally (2010) — UWB beamforming
M. Babu Manapati (2009) — SAR reduction using metamaterials
A. Rao Putla (2008) — Sub-wavelength resonators
Ramu Pillalamarri (2008) — Broadband/UWB patch antennas
V. Krishna Meduru (2008) — Neural Networks for RF design
Shivakumar Manusani (2007) — OFDM receiver for WLAN
Dipto Dey (2007) — EBG patch antenna (Motorola Award)
Sridhar Kallapudi (2007) — Size miniaturized filters

Junior Research Fellows:

Muhim Kuli (2024-25) — Liquid Antennas (now PhD @Gauhati University)
Prajwalita Borah (2024) — Filters (now PhD @IIT Delhi)

BTech Alumni (select list):

A. Singh & N. Rautela (2021) — Quantum Spatial Modulation
R. Nayan & P. Sharma (2020) — Spatial-Correlation Antenna Grouping
A. Choudhary & A. Mathur (2020) — MIMO for Indoor Visible Light Communications
U. Singh & A. Raj (2020) — MIMO in Free-space Optical Communications
S. Jhunjhunwala & R. Dash (2019) — Metamaterial MIMO antenna
S. Raushan & S. Parasar (2019) — Space-Time Channel Modulation
K. Ahirwar & L. K. Bansla (2019) — Media Based Modulation
P. S. Aditya & S. K. V. Kodavati (2018) — Free Space Optical Wireless Communication
M. Gupta & S. R. Mirzan (2017) — Low Complexity Large MIMO Detection (MS/PhD @UT Austin)
S. Burugupalli & P. Meena (2017) — Game Theory for Cognitive Radio
S. Alam & V. Viswanath (2016) — MIMO Cognitive Radio (Institute Silver Medal, MS @UCSD)
M. Chaudhury & N. K. Meena (2016) — Low complexity large MIMO
A. K. Saxena & S. Goyal (2015) — MIMO cooperative communication (MS @UC Irvine, PhD @UT Austin)
S. Gupta & J. Yadav (2015) — Large MIMO systems
M. Kulkarni & L. Choudhary (2013) — MIMO cognitive radio (President of India Gold Medal, MS/PhD @UT Austin)
R. P. Singh & S. Kabra (2013) — Spatial Modulation (First Prize, Challenge Yourself India; MS @UCSD/VT)
N. Abhilash & K. Keerthi Vishal (2013) — Unitary/Differential Space Time Codes
K. Pegu & M. Basumatary (2012) — Equalization for MIMO
E. Abhinav & M. Chaitanya (2012) — SAR Calculation using FDTD
M. S. Charan Reddy & C. Sri Santosh (2012) — Spectral domain analysis
P. Joshi & S. S. Naik (2012) — Coplanar waveguide structures
P. Jain & P. K. Mili (2011) — UWB multiple access
M. P. B. Rao & P. Anil (2011) — Simple space-time codes
K. S. Sastry & T. S. Reddy (2010) — Narrowband interference in UWB (MS @VT)
A. Kumar & H. Deepak (2009) — Interference issues with UWB
S. Sriom & M. Khurana (2009) — PAPR reduction in OFDM
M. Sandeep Reddy (2008) — RFID + capacitive pressure sensor (MS @CMU)
A. Bunchal & C. V. K. Reddy (2007) — Microstrip bandpass filters (MS @TAMU)