Joint impacts of hardware impairments, imperfect CSIs, and interference constraints on underlay cooperative cognitive networks with reactive relay selection

PN Son - Telecommunication Systems, 2019 - Springer
… Contributions show performance degradation of the JIC protocol due to the hardware
impairments, the imperfect CSIs, and the interference constraints, and the significant performance …

Robust two-way cognitive relaying: Precoder designs under interference constraints and imperfect CSI

P Ubaidulla, S Aissa - IEEE Transactions on Wireless …, 2014 - ieeexplore.ieee.org
… cone (SOC) constraints. The MSEbalancing design, with perfect and imperfect CSI, is solved
via an … Next, we consider an MSE-constrained robust design applicable when the CSI errors …

Robust transmission design for RIS-aided communications with both transceiver hardware impairments and imperfect CSI

Z Peng, Z Chen, C Pan, G Zhou… - IEEE Wireless …, 2021 - ieeexplore.ieee.org
constraint and the unit-modulus constraints on the reflecting elements. By using Bernstein-type
inequality and semidefinite relaxation (SDR) to reformulate the constraints, … imperfect CSI. …

Adaptive modulation and coding for interference alignment with imperfect CSIT

M Taki, M Rezaee, M Guillaud - IEEE Transactions on Wireless …, 2014 - ieeexplore.ieee.org
… of the imperfect CSI and design an adaptive scheme based on the available imperfect CSI.
We … multiplexing under average BER constraints and imperfect CSI,” in Proc. IEEE Int. Conf. …

Resource allocation for interweave and underlay CRs under probability-of-interference constraints

AG Marques, LM Lopez-Ramos… - IEEE Journal on …, 2012 - ieeexplore.ieee.org
… with a longterm constraint on the probability of interfering with PUs in the underlay setup,
is to dualize it. Regardless of CSI imperfections, the interference constraints here render the …

Robust resource optimization for cooperative cognitive radio networks with imperfect CSI

S Mallick, R Devarajan, RA Loodaricheh… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
… and there are tight interference constraints on the PU bands. … have resulted from the imperfect
channel state information … the CRN while satisfying the interference constraints of the PU …

On the performance of spectrum sharing cognitive relay networks with imperfect CSI

J Chen, J Si, Z Li, H Huang - IEEE Communications Letters, 2012 - ieeexplore.ieee.org
… when the CSI of interference links is imperfect. The exact … interference probability with
imperfect CSI of the interference links. Then, under the PU’s interference probability constraints

Distributed beamforming in two-way relay networks with interference and imperfect CSI

S Salari, MZ Amirani, IM Kim, DI Kim… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
… consumed in the whole network subject to two constraints on the quality of service (QoS) at
… the second-order statistics of the CSI of the interfering links are available. Again we start with …

Coordinated multi-point transmission with imperfect CSI and other-cell interference

D Jaramillo-Ramirez, M Kountouris… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
… , despite the physical constraints of low received power and high interference at cell edges.
CSI) or with sufficient CSI quality/resolution, the more BSs cooperate the less interference is …

Interference alignment based on antenna selection with imperfect channel state information in cognitive radio networks

X Li, N Zhao, Y Sun, FR Yu - IEEE Transactions on Vehicular …, 2015 - ieeexplore.ieee.org
… In Section IV, we consider the imperfect CSIinterference constraint of the PU can be satisfied
definitely, but the desired signal will also be affected. Thus, we adopt an another constraint