Search Results for author: Ti Ti Nguyen

Found 2 papers, 0 papers with code

A Hybrid Optimization and Deep RL Approach for Resource Allocation in Semi-GF NOMA Networks

no code implementations18 Jul 2023 Duc-Dung Tran, Vu Nguyen Ha, Symeon Chatzinotas, Ti Ti Nguyen

In this design, a multi-agent deep Q network (MADQN) approach is employed to conduct the subchannel assignment (SA) among users.

Management

GEO Payload Power Minimization: Joint Precoding and Beam Hopping Design

no code implementations22 Aug 2022 Vu Nguyen Ha, Ti Ti Nguyen, Eva Lagunas, Juan Carlos Merlano Duncan, Symeon Chatzinotas

Regarding constraint on the maximum number of illuminated beams per time slot, the technical requirement is formulated as a sparse optimization problem in which the hardware-related beam illumination energy is modeled in a sparsity form of the LP vectors.

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