NDLI: A comprehensive energy model and energy-quality evaluation of wireless transceiver front-ends

Content Provider	IEEE Xplore Digital Library
Author	Li, Y. Bakkaloglu, B. Chakrabarti, C.
Copyright Year	2005
Description	Author affiliation: Dept. of Electr. Eng., Arizona State Univ., Tempe, AZ, USA (Li, Y.; Bakkaloglu, B.; Chakrabarti, C.)
Abstract	As CMOS technology scales down, digital supply voltage and digital power consumption goes down. However due to dynamic range limitations, power supply and power consumption of the RF front-ends and analog sections do not scale in the same fashion. In fact, in scaled systems, the RF section of a wireless transceiver consumes more energy than the digital part. For better understanding of the design trade offs, we first develop an accurate and comprehensive energy model for the analog front-end of wireless transceivers. Next, we evaluate a single user point-to-point wireless data communication system and a multi-user CDMA based system with respect to RF front end energy consumption and communication quality. We demonstrate the effect of occupied signal bandwidth, peak-to-average ratio (PAR), symbol rate, constellation size, and pulse-shaping roll-off factor on single user system, and the effect of number of users and multiple access interference (MAI) on CDMA based multi-user system. For a given quality specification, we show how the energy consumption can be reduced by adjusting one or more of these parameters.
Starting Page	262
Ending Page	267
File Size	349965
Page Count	6
File Format	PDF
ISBN	0780393333
ISSN	15206130
DOI	10.1109/SIPS.2005.1579876
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-11-02
Publisher Place	Greece
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transceivers Energy consumption Radio frequency CMOS technology Multiaccess communication Peak to average power ratio Multiple access interference Semiconductor device modeling Dynamic voltage scaling Dynamic range
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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