Title :
Multiple access to SAW sensors using matched filter properties
Author :
Ostermayer, Gerald ; Pohl, A. ; Reindl, L. ; Seifert, F.
Author_Institution :
Appl. Electron. Lab., Vienna Univ. of Technol., Austria
Abstract :
In this paper we present a method of solving the problem of access to more than one passive surface acoustic wave (SAW) sensor in the range of a single interrogation system. The sensor informations of the SAW sensors are evaluated almost simultaneously by use of the correlation property of BPSK-coded sensors. We show the principal concept, mathematical simulations, numerical estimations and finally an overview of the design of such a SAW sensor system
Keywords :
surface acoustic wave sensors; BPSK coding; correlation; matched filter; multiple access; passive SAW sensor; Acoustic sensors; Capacitive sensors; Capacitors; Matched filters; Mechanical sensors; Sensor systems; Substrates; Surface acoustic waves; Temperature sensors; Wireless sensor networks;
Conference_Titel :
Ultrasonics Symposium, 1997. Proceedings., 1997 IEEE
Conference_Location :
Toronto, Ont.
Print_ISBN :
0-7803-4153-8
DOI :
10.1109/ULTSYM.1997.663035
