Joint relay selection and power allocation for decode-and-forward cellular relay network with channel uncertainty

S Mallick, MM Rashid… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
… estimation error lies in some bounded uncertainty region assuming no … network while meeting
the data rate requirements of each user. For resource optimization with channel uncertainty

Robust beamforming for cognitive multi-antenna relay networks with bounded channel uncertainties

Q Li, Q Zhang, J Qin - IEEE Transactions on Communications, 2014 - ieeexplore.ieee.org
… In this paper, the bounded channel uncertainties are characterized by the worst-case model
as in [4], [5]. Our objective is to design a robust beamforming scheme which maximizes the …

Covert communication with the help of relay and channel uncertainty

J Wang, W Tang, Q Zhu, X Li, H Rao… - IEEE Wireless …, 2018 - ieeexplore.ieee.org
… paper, channel uncertainty is exploited to achieve covert communication in relay networks
The transmitter Alice sends messages to the legitimate receiver Bob with the help of a relay, …

Resource allocation under channel uncertainties for relay-aided device-to-device communication underlaying LTE-A cellular networks

M Hasan, E Hossain, DI Kim - IEEE Transactions on Wireless …, 2014 - ieeexplore.ieee.org
… traffic is carried through relay nodes. Considering a multi-user and multi-relay network, we
propose … network sumrate when the interference from other relay nodes and the link gains are …

Power allocation for beamforming relay networks under channel uncertainties

J Joung, AH Sayed - GLOBECOM 2009-2009 IEEE Global …, 2009 - ieeexplore.ieee.org
… In this paper, we focus on the beamforming relay networks as in [6] and propose power
allocation methods to minimize mean-square-error (MSE) under imperfect CSI conditions. In this …

Broadband jamming and channel uncertainty for noncooperative wireless relay networks under received power constraint

Y Ibdah, HM Kwon, K Lee, Z Wang… - 2011 Fifth Asia …, 2011 - ieeexplore.ieee.org
… However, both BNJ and channel uncertainty under the received power … and channel
uncertainties, instead of node geometry and BNJ, for a noncooperative distributed AF relay network

Deep learning-assisted secure UAV-relaying networks with channel uncertainties

X Tang, N Liu, R Zhang, Z Han - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
… For given jamming power PD, we consider a problem of maximizing the secrecy rate of the
UAV relay network by optimizing the deployment of the UAV. Based on the above discussion …

Noncooperative distributed wireless relay networks under channel uncertainty and power constraint

K Lee, HM Kwon, Z Wang - … Communications and Networks  …, 2011 - ieeexplore.ieee.org
… Abstract—This paper derives an optimum relay amplifying matrix for a wireless relay
network under channel uncertainty and received power constraints at the destination node. To …

Channel estimation for OFDM modulated two-way relay networks

F Gao, R Zhang, YC Liang - IEEE Transactions on signal …, 2009 - ieeexplore.ieee.org
… the channels from two sources to relay can be directly obtained at each source terminal, which
eliminates the need of the feedback from relay to … contains the channel uncertainty in each …

Relay precoder optimization in MIMO-relay networks with imperfect CSI

P Ubaidulla, A Chockalingam - IEEE Transactions on Signal …, 2011 - ieeexplore.ieee.org
… involves the computation of the worst-case channels, ie, those channel vectors that belong
to the uncertainty region and maximize the total relay transmit power and the MSEs at the …