Joint design of a DS-UWB modulator and chaos-based spreading sequences for sensor networks

Luca Antonio De Michele, Giampaolo Cimatti, Riccardo Rovatti, Gianluca Setti

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations

Abstract

A chaos-based sequence generation method for reducing Multiple Access Interference (MAI) in Direct Sequence UWB Wireless-Sensor-Networks (WSNs) is presented, along with the schematic design in CMOS UMC130 1.2V technology of a modulator scheme, that takes into account both the transmitter and receiver antennas. Chaos-based spreading is numerically optimized to combine with the pulse profile (as obtained by extensive simulations) and maximizing the Bit-Rate (BR) at which each user may transmit given a certain link quality, measured as the Signal-to-Interference Ratio (SIR); when compared with traditional random sequences, the BR Increase is up to 30%. © 2007 IEEE.
Original languageEnglish (US)
Title of host publicationProceedings - IEEE International Symposium on Circuits and Systems
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1441-1444
Number of pages4
DOIs
StatePublished - Jan 1 2007
Externally publishedYes

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