3 papers
math.CO2025
On the Codebook Design for NOMA Schemes from Bent Functions
Chunlei Li, Constanza Riera, Palash Sarkar +1
Uplink grant-free non-orthogonal multiple access (NOMA) is a promising technology for massive connectivity with low latency and high energy efficiency. In code-domain NOMA schemes,…
cs.CR2025
The Grain Family of Stream Ciphers: an Abstraction, Strengthening of Components and New Concrete Instantiations
Palash Sarkar
The first contribution of the paper is to put forward an abstract definition of the Grain family of stream ciphers which formalises the different components that are required to sp…
math.CO2024
A Further Investigation on Complete Complementary Codes from -ary Functions
Palash Sarkar, Chunlei Li, Sudhan Majhi +1
This research focuses on constructing -ary functions for complete complementary codes (CCCs) with flexible parameters. Most existing work has primarily identified sufficient con…