2 citations · 3 across the 9 of their papers we have counts for
14 papers
Error Performance Analysis of CFO-Impaired OFDM-Based Rate-Splitting SCMA
Minerva Priyadarsini, Kuntal Deka, Zilong Liu +1
Rate-splitting sparse code multiple access (RS-SCMA) superimposes QAM-modulated common messages and SCMA-encoded private messages over the same resource elements. This paper analyz…
Performance Analysis of AFDM Transceiver Under Practical IQ Imbalance
Rishikesh Bharti, Tonmoy Rajkhowa, Sanjeev Sharma +2
This paper investigates the impact of in-phase/quadrature (IQ) imbalance on signal detection in affine frequency-division multiplexing (AFDM) systems over doubly dispersive Rayleig…
Tertiary-Mode STAR-RIS for Secure NOMA: Integrating Transmission, Reflection, and Jamming
Mansi Nema, Kuntal Deka, Sanjeev Sharma +1
This paper investigates the physical layer security of a non-orthogonal multiple access (NOMA) system assisted by a tertiary-mode simultaneously transmitting and reflecting reconfi…
Comprehensive Review of Deep Unfolding Techniques for Next-Generation Wireless Communication Systems
Sukanya Deka, Kuntal Deka, Nhan Thanh Nguyen +3
The application of machine learning in wireless communications has been extensively explored, with deep unfolding emerging as a powerful model-based technique. Deep unfolding enhan…
Hybrid Rate-Splitting and Sparse Code Multiple Access (RS-SCMA): Design and Performance
Minerva Priyadarsini, Zilong Liu, Kuntal Deka +2
This paper proposes, for the first time, a hybrid multiple access framework that integrates the principles of rate-splitting (RS) and sparse code multiple access (SCMA) in an SISO…
Prior Information-Aided ADMM for Multi-User Detection in Codebook-Based Grant-Free NOMA: Dynamic Scenarios
Vinjamoori Vikas, Kuntal Deka, A. Rajesh
Code-domain non-orthogonal multiple access (CD-NOMA) systems offer key benefits such as high spectral efficiency, low latency, high reliability, and massive connectivity. NOMA's ab…
IRS-Assisted OTFS: Beamforming Design and Signal Detection
Sushmita Singh, Kuntal Deka, Sanjeev Sharma +1
Intelligent reflecting surface (IRS) technology has become a crucial enabler for creating cost effective, innovative, and adaptable wireless communication environments. This study…
Sparse Code Multiple Access (SCMA) Technique
Sanjeev Sharma, Kuntal Deka
Next-generation wireless networks require higher spectral efficiency and lower latency to meet the demands of various upcoming applications. Recently, non-orthogonal multiple acces…
ADMM-based Detector for Large-scale MIMO Code-domain NOMA Systems
Vinjamoori Vikas, Kuntal Deka, Sanjeev Sharma +1
Large-scale multi-input multi-output (MIMO) code domain non-orthogonal multiple access (CD-NOMA) techniques are one of the potential candidates to address the next-generation wirel…
Convolutional Sparse Coding based Channel Estimation for OTFS-SCMA in Uplink
Anna Thomas, Kuntal Deka, P. Raviteja +1
Orthogonal time frequency space (OTFS) has emerged as the most sought-after modulation technique in a high mobility scenario. Sparse code multiple access (SCMA) is an attractive co…
Hybrid NOMA for Future Radio Access: Design, Potentials and Limitations
Kuntal Deka, Sanjeev Sharma
Next-generation internet of things (IoT) applications need trillions of low-powered wireless mobile devices to connect with each other having ultra-reliability and low-latency. Non…
Design of Puncturing for Length-Compatible Polar Codes Using Differential Evolution
Kuntal Deka, Sanjeev Sharma
This paper presents a puncturing technique to design length-compatible polar codes. The punctured bits are identified with the help of differential evolution (DE). A DE-based optim…
OTFS-NOMA based on SCMA
Kuntal Deka, Anna Thomas, Sanjeev Sharma
Orthogonal Time Frequency Space (OTFS) is a modulation technique that has the potential to overcome the challenges faced by orthogonal frequency division multiplexing…
Design of SCMA Codebooks Using Differential Evolution
Kuntal Deka, Minerva Priyadarsini, Sanjeev Sharma +1
Non-orthogonal multiple access (NOMA) is a promising technology which meets the demands of massive connectivity in future wireless networks. Sparse code multiple access (SCMA) is a…