NDLI: Collaborative Multi-Layer Network Coding in Hybrid Cellular Cognitive Radio Networks

Content Provider	IEEE Xplore Digital Library
Author	Moubayed, A. Sorour, S. Al-Naffouri, T. Alouini, M.-S.
Copyright Year	2015
Description	Author affiliation: Electr. & Math. Sci. & Eng. Dept., KAUST, Thuwal, Saudi Arabia (Moubayed, A.; Al-Naffouri, T.; Alouini, M.-S.) \|\| Electr. Eng. Dept., KFUPM, Dhahran, Saudi Arabia (Sorour, S.)
Abstract	In this paper, as an extension to [1], we propose a prioritized multi-layer network coding scheme for collaborative packet recovery in hybrid (interweave and underlay) cellular cognitive radio networks. This scheme allows the uncoordinated collaboration between the collocated primary and cognitive radio base-stations in order to minimize their own as well as each other's packet recovery overheads, thus by improving their throughput. The proposed scheme ensures that each network's performance is not degraded by its help to the other network. Moreover, it guarantees that the primary network's interference threshold is not violated in the same and adjacent cells. Yet, the scheme allows the reduction of the recovery overhead in the collocated primary and cognitive radio networks. The reduction in the cognitive radio network is further amplified due to the perfect detection of spectrum holes which allows the cognitive radio base station to transmit at higher power without fear of violating the interference threshold of the primary network. For the secondary network, simulation results show reductions of 20% and 34% in the packet recovery overhead, compared to the non-collaborative scheme, for low and high probabilities of primary packet arrivals, respectively. For the primary network, this reduction was found to be 12%.
Starting Page	1
Ending Page	6
File Size	224137
Page Count	6
File Format	PDF
ISBN	9781479980888
DOI	10.1109/VTCSpring.2015.7145750
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-11
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Collaboration Cognitive radio Base stations Network coding Interference Automatic repeat request Simulation
Content Type	Text
Resource Type	Article

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