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IEEE JOURNAL ON EMERGING AND SELECTED MATTERS IN BRAKE LINES AND SYSTEMS, VOL. a couple of, NO . 1, MARCH 2012
Design Optimization and Implementation
for RF Energy Cropping Circuits
Prusayon Nintanavongsa, Student Member, IEEE, Ufuk Muncuk, David Richard Lewis, and Kaushik Roy Chowdhury, Member, IEEE
Abstract—A new style for an energy harvesting gadget is recommended in this newspaper, which enables scavenging strength from radiofrequency (RF) electromagnetic waves. When compared to common option energy sources just like solar and wind, RF harvesting gets the least energy density. The existing state-of-the-art alternatives are effective only over narrow frequency runs, are limited in efﬁciency response, and require bigger levels of input power. This kind of paper includes a twofold contribution. First, all of us propose a dual-stage strength harvesting routine composed of a seven-stage and ten-stage design and style, the former becoming more receptive in the low input electrical power regions, even though the latter is more suitable for bigger power range. Each level here is a modiﬁed voltage multiplier, arranged in series and our style provides rules on component choice and precise choice of the crossover operational level for these two stages between high (20 dBm) and low electric power ( twenty dBm) vulnerable parts. Second,
we fabricate the design on the printed routine board to show how these kinds of a routine can run a commercial Mica2 sensor terme, with associating simulations on both ideal and non-ideal conditions intended for identifying the top bound in achievable efﬁciency. With a simple yet optimal dual-stage design and style, experiments and characterization and building plots reveal about 100% improvement over different existing models in the electricity range of 20 to several dBm.
Index Terms—Optimization, electricity efﬁciency, radio-frequency (RF) energy harvesting signal, Schottky diode, sensor, volts multiplier, 915 MHz.
ITH the growing popularity and applications of largescale, sensor-based wireless sites (e. g., structural overall health monitoring, human health monitoring, to name a couple), the necessity to adopt economical, green marketing and sales communications strategies features paramount importance. One way is to deploy a network comprising automotive nodes, we. e., nodes that can harvesting ambient energy from a variety of natural and man-made resources for continual network operation . This can tool potentially bringing about signiﬁcant decrease in the costs connected with replacing battery packs periodically. Moreover, in some deployments, owing to the sensor location, battery substitute may be equally practically and economically infeasible, or may well involve signiﬁcant risks to human life. Thus, there is also a strong moti-
Manuscript received October 15, 2011; modified January doze, 2012; acknowledged January 35, 2012. Particular date of syndication February 28, 2012; date of current version Apr 11, 2012. This material relies upon job supported by the U. S. National Scientific research Foundation below Grant CNS-1143662.
The creators are with the Department of Electrical and Computer Anatomist, Northeastern University or college, Boston, MUM 02115 USA (e-mail: [email protected] neu. edu; um[email protected] neu. edu; [email protected] neu. edu; [email protected] neu. edu). Color versions of 1 or more with the ﬁgures in this paper can be obtained online at http://ieeexplore.ieee.org.
Digital Object Identiﬁer 10. 1109/JETCAS. 2012. 2187106
Fig. 1 ) Ambient RF energy collection.
vation to enable an off-the-shelf wireless messfuhler network (WSN) with energy harvesting ability that would allow a sensor to renew part or perhaps all of its operational costs, thereby taking the ﬁrst methods towards recognizing the vision of a perennially operating network.
The concept of wi-fi energy harvesting and transfer is certainly not new, somewhat it was shown over a century ago by Tesla
. Recently, RFID technology is a clear example of
wi-fi power transmission where this sort of a tag operates employing
the occurrence radio-frequency (RF) power provided by the transmission device . However , you will find...
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