NDLI: NOMA inspired multicasting in cognitive radio networks

Content Provider	IET Digital Library
Author	Bhattacharjee, Sangeeta Acharya, Tamaghna Bhattacharya, Uma
Abstract	This study outlines a non-orthogonal multiple access (NOMA) scheme for cooperative multicasting in a cognitive radio network. The network consists of a common base station (BS), which serves a primary user multicast group (PU-MG) and a secondary user MG (SU-MG). The SU-MG is located in between the BS and the PU-MG. Their proposed spectrum sharing protocol comprises of three transmission phases. The first phase is utilised by the BS for multicasting both PUs' and SUs' signals, using NOMA transmission. In the second phase, to overcome fading impairments, the BS exploits spatial diversity among SUs, by seeking their cooperation to relay PUs' message signal. The BS, as an incentive, leases a time slot in the third phase, exclusively for supporting multicast to SU-MG over PUs' licenced spectrum. Analytical expressions for outage probabilities of both PU-MG and SU-MG are derived and validated using simulations. Furthermore, outage performance of PUs and ergodic capacity of SUs are compared with a prominent recent scheme.
Starting Page	1845
Ending Page	1853
Page Count	9
ISSN	17518628
Volume Number	12
e-ISSN	17518636
Issue Number	Issue 15, Sep (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/12/15
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2018.5335
Journal	IET Communications
Publisher Date	2018-08-16
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Base Station Cognitive Radio Cognitive Radio Network Cooperative Multicasting Diversity Reception Ergodic Capacity Multi-access System Multicast Protocol Multiple Access Communication NOMA Inspired Multicasting Nonorthogonal Multiple Access Scheme Outage Performance Outage Probabilities Primary User Multicast Group Probability Protocol PU Licenced Spectrum PU Signal Radio Link And Equipment Radio Network Radio Spectrum Management Reliability Secondary User MG Spatial Diversity Spectrum Sharing Protocol Statistics SU Signal SU-MG Telecommunication Network Reliability Transmission Phase
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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