A 60-GHz rectenna for monolithic wireless sensor tags

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Abstract

This paper presents the design of a 60-GHz rectenna with an on-chip antenna and rectifier in 65nm CMOS technology. The rectenna is often the bottleneck in realizing a fully-integrated monolithic wireless sensor tag. In this paper, problems of the mm-wave rectifier are discussed, and the self-threshold voltage modulation method is proposed for better sensitivity and efficiency. Based on this discussion, the design of a 60 GHz rectenna is provided. The designed on-chip antenna has 2 dBi gain at 60 GHz. The designed rectifier reaches 4.4% efficiency with 7 dBm input power with a 1.5 k¿ load in simulation.
Original languageEnglish
Title of host publicationProceedings of the IEEE International Symposium on Circuits and Systems (ISCAS), 19-23 May 2013, Bejing, China
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages2796-2799
DOIs
Publication statusPublished - 2013
Event2013 IEEE International Symposium on Circuits and Systems (ISCAS 2013) - Bejing, China
Duration: 19 May 201323 May 2013

Conference

Conference2013 IEEE International Symposium on Circuits and Systems (ISCAS 2013)
Abbreviated titleISCAS 2013
CountryChina
CityBejing
Period19/05/1323/05/13

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