SAW RFID spread spectrum OFC and TDM technology

Pavlina, J.; Santos, B.; Malocha, D.C.

doi:10.1109/rfid.2009.4911213

Cited by 13 publications

(6 citation statements)

References 14 publications

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“…One of the most critical aspect of implementing WSNs is the need of simultaneous interrogation of multiple sensors by the same reader, avoiding both interference and collisions [3], [4], [6]. The reader must be able to associate a unique tag to each sensor and the discrimination techniques can be derived from communication theory, according to the following classification: frequency division multiple access (FDMA), time division multiple access (TDMA), code division multiple access (CDMA), space division multiple access (SDMA), and different combinations of them [10]- [12].…”

Section: Multiple Sensor Discriminationmentioning

confidence: 99%

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Wireless Passive Sensors for Remote Sensing of Temperature on Aerospace Platforms

et al. 2014

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This paper is devoted to the feasibility study of a wireless sensing system, mainly based on passive surface acoustic wave sensors, for remote measurement of temperature aboard space platforms. The use of passive sensors is particularly attractive since they need no battery and are robust in extreme environments, as they contain no active electronic circuits. The main objective of this paper is the complete characterization of the wireless system environment, in order to determine the main fundamental limits of this technology from a communication theory point of view. Preliminary experimental measurements are used for defining the main environment parameters, validating some of the theoretical limit computations, and proving the space application feasibility

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Section: Multiple Sensor Discriminationmentioning

confidence: 99%

“…Surface acoustic wave (SAW) sensors could be the enabling technology for wireless space applications as they are passive, radiation-hardened, operable over wide temperature ranges, small, rugged, inexpensive, and identifiable [3]- [5].…”

Section: Introductionmentioning

confidence: 99%

Wireless Passive Sensors for Remote Sensing of Temperature on Aerospace Platforms

et al. 2014

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“…One of the most critical aspect of implementing WSNs is the need of simultaneous interrogation of multiple sensors by the same reader, avoiding both interference and collisions [2], [3], [6]. The reader must be able to associate a unique tag to each sensor and the discrimination techniques can be derived from communication theory, according to the following classification: frequency division multiple access (FDMA), time division multiple access (TDMA), code division multiple access (CDMA), space division multiple access (SDMA), and different combinations of them [7].…”

Section: Multiple Sensor Discriminationmentioning

confidence: 99%

“…Surface acoustic wave (SAW) sensors could be the enabling technology for wireless space applications as they are passive, radiation hard, operable over wide temperature ranges, small, rugged, inexpensive, and identifiable [2], [3]. Key aspect in system applications of SAW sensors is the ability for simultaneous multiple access, i.e.…”

Section: Introductionmentioning

confidence: 99%

Wireless passive sensors for remote sensing of temperature on aerospace platforms

Gamba

Goldoni

Savazzi

et al. 2013

IEEE International Conference on Wireless for Space and Extreme Environments

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This work is devoted to the feasibility study of a wireless sensing system, mainly based on passive surface acoustic wave (SAW) sensors, for remote measurement of temperature aboard space platforms. The use of passive sensors is particularly attractive since they need no battery and are robust in extreme environments, as they contain no active electronic circuits. The main objective of this study is the complete characterization of the wireless system environment, in order to determine the main fundamental limits of this technology from a communication theory point of view. Preliminary experimental measurements are used for both defining the main environment parameters, validating some of the theoretical limit computations and proving the space application feasibility. WiSEE 2013 1569816775

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“…The SAW device uses orthogonal frequency coding (OFC) in a spread spectrum technology manner [8]. The sensor that has been developed has two reflector banks.…”

Section: Device Designmentioning

confidence: 99%