Hierarchical reinforcement learning for relay selection and power optimization in two-hop cooperative relay network

Y Geng, E Liu, R Wang, Y Liu - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this paper, we study the outage probability minimizing problem in a two-hop cooperative
relay network. To reduce outage probability, existing studies propose many schemes for …

Impact of channel estimation errors and power allocation on analog network coding and routing in two-way relaying

FS Tabataba, P Sadeghi, C Hucher… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
In this paper, we study two important transmission strategies in full-duplex two-way relaying
in the presence of channel estimation errors. In analog network coding (ANC), the relay …

Relay selection scheme for AF system with partial CSI and optimal stop** theory

R Zhu, T Li, J Guo, Y Huang - Tsinghua Science and …, 2019 - ieeexplore.ieee.org
Relay selection for Relay Assisted (RA) networks is an economical and effective method to
improve the spectrum efficiency. Relay selection performs especially well when the source …

Full duplex AF and DF relaying under channel estimation errors for V2V communications

S Wang, D Wang, C Li, W Xu - IEEE Access, 2018 - ieeexplore.ieee.org
In this paper, we investigate the outage performance of full-duplex (FD) and half-duplex
(HD) vehicle to vehicle (V2V) networks. We consider two vehicular communication scenarios …

BER and optimal power allocation for amplify-and-forward relaying using pilot-aided maximum likelihood estimation

K Wang, Y Chen, MS Alouini… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Bit error rate (BER) and outage probability for amplify-and-forward (AF) relaying systems
with two different channel estimation methods, disintegrated channel estimation and …

Power allocation and relay selection for AF cooperative relay systems with imperfect channel estimation

CL Wang, JY Chen - IEEE Transactions on Vehicular …, 2015 - ieeexplore.ieee.org
In this paper, we investigate power-allocation and relay-selection algorithms for amplify-and-
forward (AF) cooperative relay systems under imperfect channel estimation. Based on …

Performance analysis of bidirectional multiuser multirelay transmission systems with channel estimation error and hardware impairment

AK Mishra, SK Tiwari, SCM Gowda… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
This paper presents a comparative performance analysis of multiuser multirelay two-way
and one-way amplify-and-forward relaying systems employing opportunistic transmission in …

Power allocation for a hybrid decode–amplify–forward cooperative communication system with two source–destination Pairs under outage probability constraint

H **ao, S Ouyang - IEEE Systems Journal, 2014 - ieeexplore.ieee.org
We develop a two-source-destination-pair cooperative communication scheme that can
achieve multiuser diversity and cooperative diversity. In this scheme, we use hybrid decode …

Dynamic energy efficient resource allocation in multi-user multi-IRS mmWave 6G networks

AG Khorasgani, FS Tabataba, MS Fazel… - Physical …, 2025 - Elsevier
This study introduces a novel approach for energy-efficient resource allocation in millimeter-
wave networks, assisted by multiple intelligent reflecting surfaces (IRS). The proposed …

Outage probability and power allocation of two-way amplify-and-forward relaying with channel estimation errors

Y Jia, A Vosoughi - IEEE Transactions on Wireless …, 2012 - ieeexplore.ieee.org
We consider a two-way amplify-and-forward (AF) relaying system consisting of two source
nodes and a half-duplex relay. We assume that the source nodes are equipped with the …