Joint spectrum sensing and packet error rate optimization in cognitive IoT

L Zhang, YC Liang - IEEE Internet of Things Journal, 2019 - ieeexplore.ieee.org
Internet of Things (IoT) and will lead to a severe spectrum … cognitive radio technology into
the IoT, namely, cognitive IoT. … Besides, we consider block-fading channels, ie, each channel in …

Hardware-and interference-limited cognitive IoT relaying NOMA networks with imperfect SIC over generalized non-homogeneous fading channels

S Arzykulov, G Nauryzbayev, MS Hashmi… - IEEE …, 2020 - ieeexplore.ieee.org
IoT networks brings problems associated with spectral congestion. This issue can be solved
by applying cognitive … enabled IoT networks over a generalized α − µ fading channel model. …

[HTML][HTML] Unified channel management for cognitive radio sensor networks aided internet of things

S Aslam, JW Jang, KG Lee - Sensors, 2018 - mdpi.com
… amplified and forwarded to the cognitive center where different combining techniques are …
user (SU) utility over AWGN and Nakagami-m fading channels with the claim of improving all …

Spectrum assignment in hardware-constrained cognitive radio IoT networks under varying channel-quality conditions

HAB Salameh, S Al-Masri, E Benkhelifa, J Lloret - IEEE Access, 2019 - ieeexplore.ieee.org
… PU channel k ∈ M is computed as: fk = 900 + k MHz. We consider a Rayleigh fading channel
… CR-IoT devices over the different channels. We set the transmission power of each CR-…

NOMA-based cognitive spectrum access for 5G-enabled Internet of Things

X Liu, B Lin, M Zhou, M Jia - IEEE Network, 2021 - ieeexplore.ieee.org
… Fourth, cooperative NOMA is presented to improve the transmission performance of PU
and IoT in fading channels. Finally, some open research works and challenges are discussed. …

Age of Information for Short-Packet Relay Communications in Cognitive-Radio-Based Internet of Things with Outdated Channel State Information

Y Chen, Y Cai, G Ding, B Yu… - … Transactions on Cognitive …, 2023 - ieeexplore.ieee.org
… CRIoT. Since short-packet communications are sensitive to time delay, the influence of outdated
factors in the channel … CSI with Nakagami-m fading channels. Considering the impact of …

A new leakage-based precoding scheme in IoT oriented cognitive MIMO-OFDM systems

R Tian, Z Wang, X Tan - IEEE Access, 2018 - ieeexplore.ieee.org
… the IoT devices access to the licensed spectrum by cognitive … ensuring optimal QoS for all
the cognitive IoT devices, in this paper… identically distributed (iid) Rayleigh fading channels that …

[HTML][HTML] The cognitive internet of things: a unified perspective

A Afzal, SAR Zaidi, MZ Shakir, MA Imran… - Mobile Networks and …, 2015 - Springer
… a unified perspective on the cognitive internet of things (CIoT). It is noted that within the CIoT
design we observe the convergence of energy harvesting, cognitive spectrum access and …

Secrecy analysis of cognitive radio networks over generalized fading channels

J Sun, Z Bie, H Bie, P He, M Jin - Security and Communication …, 2020 - Wiley Online Library
… We first present a CRN for IoT, in which the subchannels undergo κ-μ shadowed fading. …
model for IoT over κ-μ shadowed fading channels, and the PDF and CDF of the channels with …

SWIPT cooperative spectrum sharing for 6G-enabled cognitive IoT network

W Lu, P Si, G Huang, H Han, L Qian… - … Internet of Things …, 2020 - ieeexplore.ieee.org
… in cognitive IoT networks, the primary and cognitive signals … for cognitive IoT network, in
which the DT of the cognitive IoTfading channels,” IEEE Internet Things J., vol. 7, no. 1, pp. …