Scheduling Quantum Annealing for Active User Detection in a NOMA Network - Archive ouverte HAL
Communication Dans Un Congrès Année : 2024

Scheduling Quantum Annealing for Active User Detection in a NOMA Network

Résumé

Active user detection in a non-orthogonal multiple access (NOMA) network is a major challenge for 5G/6G applications. However, classical algorithms that can perform this task suffer either from complexity or reduced performances. This work aims at proposing a quantum annealing approach to overcome this trade-off. Firstly, we show that the maximum a posteriori decoder of the activity pattern of the network can be seen as the ground state of an Ising Hamiltonian. For N users in a network with perfect channels, we propose a universal control function to schedule the annealing process. Our approach avoids to continuously compute the optimal control function but still ensures high success probability while demanding a lower annealing time than a linear control function. This advantage holds even in the presence of imperfections in the network.
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Dates et versions

hal-04664779 , version 1 (30-07-2024)

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  • HAL Id : hal-04664779 , version 1

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Romain Piron, Claire Goursaud. Scheduling Quantum Annealing for Active User Detection in a NOMA Network. Fifth IEEE International Conference on Quantum Computing and Engineering (QCE 2024), IEEE, Sep 2024, Montréal (Québec), Canada. ⟨hal-04664779⟩
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