Cooperative MAC for Cognitive Radio Network with Energy Harvesting and Randomized Service Policy
作者： Ahmed M. Bedewy , Amr A. El-Sherif , Karim G. Seddik , Tamer ElBatt
DOI: 10.1109/GLOCOMW.2015.7414177
关键词:
摘要: This paper studies the queues stability and delay in cooperative multiple access for cognitive radio systems which secondary user (SU) has finite energy sources. The SU two with a battery storage. One of SU's is used to store relayed packets from primary (PU) queue. While other one its own packets. Each transmission consumes fixed amount energy, replenished through harvesting. A PU's packet admitted relay queue an admission probability. Moreover, serves either data or PU certain service probabilities. finiteness effect on system throughput how it affected by varying analysis this non- trivial due interdependence between queues. results interacting To decouple interaction, characterize region, we resort dominant approach analysis. obtained region compared without constraints, losses are identified. Furthermore, average encountered both shown not be within region.
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