6 papers
A fully parallel densely connected probabilistic Ising machine with inertia for real-time applications
Ruomin Zhu, Abhishek Kumar Singh, Jérémie Laydevant +5
Ising machines -- special-purpose hardware for heuristically solving Ising optimization problems -- based on probabilistic bits (p-bits) have been established as a promising altern…
MMGaP: Multi-User MIMO Detection and Precoding using GPU-assisted Physics-inspired Computation
Abhishek Kumar Singh, Kyle Jamieson
Physics-inspired and quantum compute based methods for processing in the physical layer of next-generation cellular radio access networks have demonstrated theoretical advances in…
Multi Digit Ising Mapping for Low Precision Ising Solvers
Abhishek Kumar Singh, Kyle Jamieson
The last couple of years have seen an ever-increasing interest in using different Ising solvers, like Quantum annealers, Coherent Ising machines, and Oscillator-based Ising machine…
Optimizing Reconfigurable Antenna MIMO Systems with Coherent Ising Machines
Ioannis Krikidis, Abhishek Kumar Singh, Kyle Jamieson
Reconfigurable antenna multiple-input multiple-output (MIMO) is a promising technology for upcoming 6G communication systems. In this paper, we deal with the problem of configurati…
X-ResQ: Reverse Annealing for Quantum MIMO Detection with Flexible Parallelism
Minsung Kim, Abhishek Kumar Singh, Davide Venturelli +2
Quantum Annealing (QA)-accelerated MIMO detection is an emerging research approach in the context of NextG wireless networks. The opportunity is to enable large MIMO systems and th…
Physics-Inspired Discrete-Phase Optimization for 3D Beamforming with PIN-Diode Extra-Large Antenna Arrays
Minsung Kim, Annalise Stockley, Keith Briggs +1
Large antenna arrays can steer narrow beams towards a target area, and thus improve the communications capacity of wireless channels and the fidelity of radio sensing. Hardware tha…