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A passive circuit based RF optimization methodology for wireless sensor network nodes
Zheng, Liqiang; Mathewson, Alan; O'Flynn, Brendan; Hayes, Michael; Ó Mathúna, S. Cian
Return loss of wireless sensor network (WSN) node indicates the impedance matching between signal ports of the RF chip and the antenna, and thus shows the transmission efficiency in the signal path. All circuit components, including capacitors, inductors, PCB tracks, packaging parasitic and RF ports were modeled as equivalent passives, to achieve accurate simulation result of return loss of the WSN node. An optimization methodology of return loss was proposed based on the parameter sweep of the equivalent passive network simulation. With the help of the methodology, some critical components' values were changed to obtain optimized RF performance for the wireless node. Measurements matched the analysis and simulation well and showed great improvement.
Keyword(s): Passive; Optimization methodology; Return loss; Wireless node; RF performance; Wireless sensor networks; Electronic circuits
Publication Date:
2011
Type: Journal article
Peer-Reviewed: Yes
Language(s): English
Institution: University College Cork
Funder(s): Science Foundation Ireland
Citation(s): Zheng, L.Q., Mathewson, A., O’Flynn, B., Hayes, M, Ó Mathúna, S.C., 2011. A Passive Circuit Based RF Optimization Methodology for Wireless Sensor Network Nodes. Advanced Materials Research, 267, pp.1059-1064. doi: 10.4028/www.scientific.net/AMR.267.1059
Publisher(s): Trans Tech Publications
File Format(s): application/pdf
Related Link(s): http://www.scientific.net/AMR.267.1059
First Indexed: 2012-02-02 05:31:36 Last Updated: 2019-05-21 06:44:23