2022
DOI: 10.3390/s22093262
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DDPG-Based Throughput Optimization with AoI Constraint in Ambient Backscatter-Assisted Overlay CRN

Abstract: The combination of ambient backscatter (AB) communications (ABCs) and RF-powered cognitive radio networks (CRNs) deals with challenges of both energy supply and spectrum shortage, and improves the network performances. With the expansion of wireless networks, many applications raise requirements for both high-throughput and timely data. Driven by these facts, we study the long-term throughput optimization of the secondary network in the AB-assisted overlay CRN (ABO-CRN), ABCs, and CRNs with the age of informat… Show more

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Cited by 3 publications
(1 citation statement)
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“…For a WPCRN, the average AoI minimization problem was formulated as partially observable markov decision process and solved by dynamic programming in [44]. In [45], the network throughput maximization problem with AoI constraint was studied for a WPCRN with backscatter communication, and the DDPG algorithm was proposed. To the best of our knowledge, few research works have investigated the AoI-oriented resource allocation for NOMA-based WPCRN.…”
Section: Introductionmentioning
confidence: 99%
“…For a WPCRN, the average AoI minimization problem was formulated as partially observable markov decision process and solved by dynamic programming in [44]. In [45], the network throughput maximization problem with AoI constraint was studied for a WPCRN with backscatter communication, and the DDPG algorithm was proposed. To the best of our knowledge, few research works have investigated the AoI-oriented resource allocation for NOMA-based WPCRN.…”
Section: Introductionmentioning
confidence: 99%