… user multi-channel NOMA based CR system. We propose an efficient user pairing, channel
assignment … for the secondary users while the performance of primary users is guaranteed …

… in which the TX users, the RX users, and the subchannels are … We formulate a joint user
pairing, subchannel and power … RSI and co-channel interference between UL and DL users. To …

… that there is at least one pairing scheme after deleting K − 1 channel gains. From Lemma
1, it is ensured that there is at least one pairing scheme after deleting K − 1 channel gains. …

… joint user pairing and subchannel assignment algorithm. At any time, all the available
users … Li, “Sub-channel assignment, power allocation, and user scheduling for non-orthogonal …

… networks, aim to optimize the sub-channel assignment and power allocation problem. In the
… the user pairing in the CR inspired NOMA networks, where two users within a user pair are …

… To describe the mathematical model of NOMA system more intuitively, Fig.2 shows the
channel assignment modes of orthogonal and non-orthogonal system respectively. …

… grouping users to pairs and assigning frequency channels to … of user uplink/downlink frequency
channel pairing and power … by a novel joint fairness assignment maximization algorithm. …

… channel assignment in uplink multi-cell non-orthogonal multiple-access (NOMA) networks.
Particularly, the goal is to assign D2D groups to cellular user channels … by pairing a user with …

… We show that there is an efficient method to jointly optimize channel pairing, channel-user
assignment, and … We define indicator functions φmnk for channel assignment as follows: …

… In general, most of the proposed channel assignment and power allocation schemes have …
user pairing scheme for the NOMA system to maximize the total sum-rate of all cellular users (…