Please use this identifier to cite or link to this item: https://doi.org/10.1109/ICCS.2012.6406143
DC FieldValue
dc.titleCognitive energy harvesting and transmission from a network perspective
dc.contributor.authorLee, S.
dc.contributor.authorHuang, K.
dc.contributor.authorZhang, R.
dc.date.accessioned2014-06-19T03:02:52Z
dc.date.available2014-06-19T03:02:52Z
dc.date.issued2012
dc.identifier.citationLee, S., Huang, K., Zhang, R. (2012). Cognitive energy harvesting and transmission from a network perspective. 2012 IEEE International Conference on Communication Systems, ICCS 2012 : 225-229. ScholarBank@NUS Repository. https://doi.org/10.1109/ICCS.2012.6406143
dc.identifier.isbn9781467320542
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/69628
dc.description.abstractWireless networks can be self-sustaining by harvesting energy from radio-frequency (RF) signals. Building on classic cognitive radio networks, we propose a novel method for network coexisting where mobiles from a secondary network, called secondary transmitters (STs), either harvest energy from transmissions by nearby transmitters from a primary network, called primary transmitters (PTs), or transmit information if PTs are sufficiently far away; STs store harvested energy in rechargeable batteries with finite capacity and use all available energy for subsequent transmission when batteries are fully charged. In this model, each PT is centered at a guard zone and a harvesting zone that are disks with given radiuses; a ST harvests energy if it lies in some harvesting zone, transmits fixed-power signals if it is outside all guard zones or else idles. Based on this model, the spatial throughput of the secondary network is maximized using a stochastic-geometry model where PTs and STs are modeled as independent homogeneous Poisson point processes (HPPPs), under the outage constraints for coexisting networks and obtained in a simple closed-form. It is observed from the result that the maximum secondary throughput decreases linearly with the growing PT density, and the optimal ST density is inversely proportional to the derived transmission probability for STs. © 2012 IEEE.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1109/ICCS.2012.6406143
dc.sourceScopus
dc.typeConference Paper
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.doi10.1109/ICCS.2012.6406143
dc.description.sourcetitle2012 IEEE International Conference on Communication Systems, ICCS 2012
dc.description.page225-229
dc.identifier.isiutNOT_IN_WOS
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