… Abstract—The aim of this paper is to exploit cognitive-radio inspired NOMA (CR-NOMA)
transmission to reduce the age of information in wireless networks. In particular, two CR-NOMA …

… NOMA) has been anticipated to offer diverse real-time applications, wherein the crux is to
guarantee the age of information … characterize the AoI performance in NOMA-IoT networks with …

… (NOMA) on the age of information (AoI) of grant-free transmission. In particular, a low-complexity
form of NOMA, termed NOMA-… to illustrate the two benefits of NOMA for AoI reduction, …

… Then, concerning diverse data generation models, the achieved AoI of CR-NOMA transmission
… , the analytical AoI of ageindependent and age-dependent NOMA-based random access …

… non-orthogonal multiple access (CR-NOMA) to reduce age of information (AoI) for uplink …
time slot to transmit its status update information. The CRNOMA is implemented as an add-on to …

… and storage resources while keeping the information freshness in S-IoT… Then, we formulate
a long-term age of information (AoI) … optimization algorithm to derive the NOMA long-term AoI …

… (NOMA) system to analyze its transmission performance by harnessing a novel metric called
age of incorrect information (… expressions for the packets’ age of information (AoI) relying on …

… -orthogonal multiple access (CR-NOMA) transmission to reduce the age of information (AoI)
in … AoI achieved by CR-NOMA are developed to demonstrate two benefits of using NOMA to …

… freshness of information delivery, we investigate the age of information (… metric to characterize
information freshness, which may … To this end, we incorporates the CR, NOMA, and RF-EH …

… the performance of a cooperative CR-NOMA network in the … by accounting for channel state
information (CSI), hardware … bit/s/Hz, NOMA users obtain better outage performance than …