Secrecy performance of small-cell networks with transmitter selection and unreliable backhaul under spectrum sharing environment

J Zhang, C Kundu, OA Dobre… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
We investigate the secrecy performance of an underlay small-cell cognitive radio network
under unreliable backhaul connections. The small-cell network shares the same spectrum …

Secure cooperative single carrier systems under unreliable backhaul and dense networks impact

HT Nguyen, J Zhang, N Yang, TQ Duong… - IEEE …, 2017 - ieeexplore.ieee.org
In this paper, the impacts of unreliable backhaul links on the secrecy performance of
cooperative single carrier heterogeneous networks in the presence of eavesdroppers are …

Cooperative non-orthogonal multiple access for future wireless communications

S Lee - EAI Endorsed Transactions on Industrial Networks and …, 2018 - publications.eai.eu
There is a huge demand for increased connectivity and reliability of devices in the fifth
generation and beyond of wireless communications so as to ensure massive connectivity …

On cyclic delay diversity-based single-carrier scheme in spectrum sharing systems

N Iradukunda, HT Nguyen… - IEEE Communications …, 2019 - ieeexplore.ieee.org
The fact that cyclic delay diversity (CDD)-based single-carrier (SC) scheme increases the
frequency diversity without entailing the receiver to be aware of the transmission strategy …

Impact of wireless backhaul unreliability and imperfect channel estimation on opportunistic NOMA

S Lee, TQ Duong, R Woods - IEEE Transactions on Vehicular …, 2019 - ieeexplore.ieee.org
We propose a new opportunistic non-orthogonal multiple access (NOMA) scheme under
wireless backhaul unreliability and fronthaul channel uncertainty, where fronthaul …

Cognitive heterogeneous networks with multiple primary users and unreliable backhaul connections

C Yin, E Garcia-Palacios, NS Vo, TQ Duong - IEEE Access, 2018 - ieeexplore.ieee.org
Wireless backhaul has emerged as a suitable and flexible alternative to wired backhaul;
however, it is not as reliable as its wired counterpart. This paper presents, for the first time, a …

Secure cognitive radio networks with source selection and unreliable backhaul connections

TV Truong, MN Nguyen, C Kundu… - IET …, 2018 - Wiley Online Library
In this study, the secrecy performance of cooperative half‐duplex cognitive relay networks
(CRNs) comprised of multiple primary users (PUs) and multiple eavesdroppers under the …

Transmitter selection for secrecy in cognitive small-cell networks with backhaul knowledge

B Wafai, C Kundu, A Dubey, J Zhang… - 2021 IEEE 93rd …, 2021 - ieeexplore.ieee.org
A small-cell network with multiple transmitters and unreliable wireless backhaul is
considered for secrecy enhancement. The small-cell network is operating under a spectrum …

Outage probability analysis of spectrum sharing systems with distributed cyclic delay diversity

KJ Kim, H Liu, M Wen, M Di Renzo… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In this paper, a distributed cognitive underlay single carrier system is investigated. A
secondary users' network consists of a control unit (CU) and a group of secondary user …

Cooperative cognitive non-orthgonal multiple access under unreliable backhaul connections

DB Ha, SQ Nguyen, HT Nguyen - Mobile Networks and Applications, 2019 - Springer
In this paper, we investigate the performance of energy-harvesting communications with
decode-and-forward relay in the presence of non-orthogonal multiple access (NOMA) …