no code implementations • 28 Oct 2018 • Hao-Hsuan Chang, Hao Song, Yang Yi, Jianzhong Zhang, Haibo He, Lingjia Liu
To be specific, we apply the powerful machine learning tool, deep reinforcement learning (DRL), for SUs to learn "appropriate" spectrum access strategies in a distributed fashion assuming NO knowledge of the underlying system statistics.
no code implementations • 25 Jun 2019 • Zhou Zhou, Lingjia Liu, Hao-Hsuan Chang
Reservoir computing (RC) is a special recurrent neural network which consists of a fixed high dimensional feature mapping and trained readout weights.
no code implementations • 12 Oct 2020 • Hao-Hsuan Chang, Lingjia Liu, Yang Yi
However, training of both DRL and RNNs is known to be challenging requiring a large amount of training data to achieve convergence.
no code implementations • 28 Jun 2021 • Yifei Song, Hao-Hsuan Chang, Zhou Zhou, Shashank Jere, Lingjia Liu
In this article, we introduce a Federated Learning (FL) based framework for the task of DSA, where FL is a distributive machine learning framework that can reserve the privacy of network terminals under heterogeneous data distributions.
no code implementations • 18 May 2023 • Ramin Safavinejad, Hao-Hsuan Chang, Lingjia Liu
In dynamic spectrum access (DSA) networks, secondary users (SUs) need to opportunistically access primary users' (PUs) radio spectrum without causing significant interference.