… Authors in [1], showed that for DF and AF relaying … NOMA [2] has attracted much attention
in cooperative systems in recent years [3]. In [4], authors proposed a cooperative NOMA system …

… first present the DF relaying protocol in cooperative NOMA systems under untrusted users,
and then introduce the proposed DF protocol based optimal Relay Selection (DORS) scheme. …

… A decodable relay was selected to forward the far user’s signal and it was … that cooperative
NOMA with relay selection achieved higher system throughput than non-cooperative NOMA …

… NOMA and the traditional DF relaying schemes. Two DRS schemes for cooperative NOMA
… the CRS-STC-NOMA into general networks with multiple relays and multiple users, which …

… under the NOMA transmission conditions and the relay selection constraints. … of cooperative
NOMA relay selection while maintaining high performance, we propose a relay selection …

… Cooperative NOMA with an EH relaying network, with both AF … relay selection of antenna
selection to find out the best relay … ] investigated the relay selection in both cooperative systems …

… and the relay, provided that the interference induced by the base station and the relay on the
… Afterward, we describe the cooperative relaying cognitive radio-orthogonal multiple access …

… relay selection schemes for cooperative NOMA with fixed and adaptive power allocations at
the relay … Both works in [18, 19] focused on HD-based relaying scenarios. On the other hand, …

… NOMA … relay selection and power allocation as another benchmark strategy, where for both
the MABC and TDBC protocols, ZF beamforming is used at the users and the selected relay …

… access (NOMA) based transmission between two sources and two end users is examined,
where a single relay is selected from a set of full-duplex / half-duplex (FD / HD) multiple relays …