Results 11 to 20 of about 87,779 (141)
Secrecy Performance Analysis of Heterogeneous Networks With Unreliable Wireless Backhaul and Imperfect Channel Estimation [PDF]
IEEE Transactions on Vehicular Technology, 2023 Wireless backhaul is an economical and flexible alternative to wired backhaul, however, it experiences impairments. This research proposes a new secure heterogeneous system model with unreliable wireless backhaul and imperfect channel estimation over Nakagami- m fading channel.
Cheng Yin +5 more
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Opportunistic Non-Orthogonal Multiple Access Scheme with Unreliable Wireless Backhauls [PDF]
2018 IEEE 29th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), 2018 The demand for increased connectivity and reliability of devices in the fifth generation (5G) of wireless communications requires new technology for ensuring massive connectivity and high spectral efficiency. In addition, wireless backhauls with guaranteed reliability are being considered to improve the overall system performance.
Sunyoung Lee +2 more
openaire +5 more sources
Secrecy Outage Probability of Cognitive Small-Cell Network with Unreliable Backhaul Connections [PDF]
, 2019 In this paper, we investigate the secrecy performance of underlay cognitive small-cell radio network with unreliable backhaul connections. The secondary cognitive small-cell transmitters are connected to macro base station by wireless backhaul links. The small-cell network is sharing the same spectrum with the primary network ensuring that a desired ...
Jinghua Zhang +2 more
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Performance Analysis for Secure Cooperative Systems Under Unreliable Backhaul Over Nakagami-m Channels [PDF]
Mobile Networks and Applications, 2018 In this paper, the secrecy performance of cooperative heterogeneous networks with unreliable backhaul over Nakagami-m fading channels is investigated. To secure the proposed system, a friendly jammer is considered to confuse eavesdroppers. To transmit the signals from the source to the destination, a two-phase transmitter/relay selection scheme is ...
Cheng Yin, Emiliano Garcia-Palacios
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Impact of Wireless Backhaul Unreliability and Imperfect Channel Estimation on Opportunistic NOMA [PDF]
IEEE Transactions on Vehicular Technology, 2019 We propose a new opportunistic non-orthogonal multiple access (NOMA) scheme under wireless backhaul unreliability and fronthaul channel uncertainty, where fronthaul represents regular radio access link. In particular, we propose two opportunistic methods for the proposed NOMA, which allow the best transmitter selection approaches based on either a near
Sunyoung Lee +2 more
openaire +4 more sources
, 2019 A cognitive heterogeneous network with unreliable backhaul connections is studied in this paper. In this system, a macro-base station connected to cloud transmits information to multiple small cells via backhaul links. In addition, multiple small cells acting as secondary transmitters send information to a receiver by sharing the same spectrum with ...
Yin, Cheng +3 more
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Secrecy performance of finite-sized cooperative full-duplex relay systems with unreliable backhauls
IEEE Transactions on Signal Processing, 2017 This paper investigates secrecy performance of finite-sized cooperative full-duplex relay (FDR) systems with unreliable wireless backhaul connections across multiple transmitters under Nakagami- $m$ fading. Closed-form expressions for the secrecy outage probability and probability of nonzero achievable secrecy rate are derived in terms of self ...
Hongwu Liu +4 more
openaire +2 more sources
, 2019 This paper introduces for the first time a relay-assisted heterogeneous vehicular model including numerous stationary small cells, a mobile relay and a mobile receiver with unreliable backhaul. In this proposed system model, a macro-base station connected to the cloud communicates to numerous small cells through wireless backhaul links.
Cheng Yin +3 more
openaire +3 more sources
Transmitter Selection for Secrecy in a Frequency Selective Fading Channel with Unreliable Backhaul [PDF]
2021 IEEE 93rd Vehicular Technology Conference (VTC2021-Spring), 2021 In this paper, a communication network using single carrier with cyclic prefix modulation over frequency selective channels is considered, where an access point provides connectivity to a legitimate destination through multiple transmitters with unreliable backhaul links in the presence of an eavesdropper.
Shashi Bhushan Kotwal +4 more
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Ergodic Secrecy Rate of Optimal Source Selection in a Multi-Source System With Unreliable Backhaul [PDF]
IEEE Wireless Communications Letters, 2021 The use of multiple source nodes with wireless backhaul is considered for secrecy enhancement through source node selection in future wireless networks. The ergodic secrecy rate (ESR) of {optimal source node selection in the presence of multiple eavesdroppers} over independent non-identically distributed (INID) Rayleigh fading channels is evaluated in ...
Chinmoy Kundu, Mark F. Flanagan
openaire +3 more sources