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A 5.8 GHz 54 Mb/s Backscatter Modulator for WLAN With Symbol Pre-Distortion and Transmit Pulse Shaping

Tang, Adrian and Kim, Yanghyo and Xu, Yinuo and Chang, Mau-Chung Frank (2016) A 5.8 GHz 54 Mb/s Backscatter Modulator for WLAN With Symbol Pre-Distortion and Transmit Pulse Shaping. IEEE Microwave and Wireless Components Letters, 26 (9). pp. 729-731. ISSN 1531-1309. http://resolver.caltech.edu/CaltechAUTHORS:20160830-070533260

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Abstract

This letter discusses the implementation of microwave backscatter links in CMOS technology which are similar to existing systems at mid-UHF for RFID, but intended for use at the 5.8 GHz ISM band for supporting future low-power WLAN applications. In order for backscatter links to operate in highly channelized environments we introduce a pulse-shaping technique to reduce out-of-band emissions as well as a symbol pre-distortion technique to improve the constellation spacing. Both techniques are introduced into a 65 nm prototype backscatter modulator chip and are shown to operate with QPSK modulation at 54 Mb/s (typical of WLAN standards). The backscatter modulator chip was shown to consume 1.61 mW of power.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1109/LMWC.2016.2597173DOIArticle
http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7551205PublisherArticle
Additional Information:© 2016 IEEE. Manuscript received April 25, 2016; accepted June 13, 2016. The authors are thankful to the Staff of TSMC for excellent 65 nm fabrication support.
Subject Keywords:CMOS backscatter link, pre-distortion, pulse shaping, reflector link
Record Number:CaltechAUTHORS:20160830-070533260
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20160830-070533260
Official Citation:A. Tang, Y. Kim, Y. Xu and M. C. F. Chang, "A 5.8 GHz 54 Mb/s Backscatter Modulator for WLAN With Symbol Pre-Distortion and Transmit Pulse Shaping," in IEEE Microwave and Wireless Components Letters, vol. 26, no. 9, pp. 729-731, Sept. 2016. doi: 10.1109/LMWC.2016.2597173 URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7551205&isnumber=7558152
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:70008
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:30 Aug 2016 23:36
Last Modified:05 Jun 2017 17:50

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