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—In this paper, we investigate the cognitive radio (CR) network, in which the secondary link works as a helper node to improve the physical layer secrecy rate of primary user. Depending upon the operation of secondary link, we consider two operation modes: (i) Spectrum-spatial leasing (SSL), which is introduced in the previous work, and (ii) Spectrum-time(More)
In this paper, we investigate the total delivery latency across the fronthaul and wireless segments of a Fog Radio Access Network (F-RAN) under the assumption that cloud processor and edge nodes (ENs) are connected by a multicast fronthaul link. The total delivery latency is assessed via the Normalized Delivery Time (NDT) metric which provides a high(More)
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