Wearable System-on-a-Chip Pulse Radar Sensors for the Health Care: System Overview

Zito, Domenico; Pepe, Domenico; Neri, Bruno; Rossi, Danilo De; Lanatà, Antonio

doi:10.1109/ainaw.2007.373

Cited by 11 publications

(7 citation statements)

References 7 publications

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“…The idea at the base of the work presented herein, which has been presented recently [ 3 ], consists of the realization of a novel wearable wireless interface for the monitoring of the heart beat and breath rates. This work is a part of the ProeTEX Project (FP6-2004-IST-4-026987), a European integrated project aimed at developing a new generation of equipments for the market of emergency operators, like fire-fighters and civil protection rescuers.…”

Section: Introductionmentioning

confidence: 99%

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Feasibility Study and Design of a Wearable System-on-a-Chip Pulse Radar for Contactless Cardiopulmonary Monitoring

Zito

Pepe

Neri

et al. 2008

International Journal of Telemedicine and Applications

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A new system-on-a-chip radar sensor for next-generation wearable wireless interface applied to the human health care and safeguard is presented. The system overview is provided and the feasibility study of the radar sensor is presented. In detail, the overall system consists of a radar sensor for detecting the heart and breath rates and a low-power IEEE 802.15.4 ZigBee radio interface, which provides a wireless data link with remote data acquisition and control units. In particular, the pulse radar exploits 3.1–10.6 GHz ultra-wideband signals which allow a significant reduction of the transceiver complexity and then of its power consumption. The operating principle of the radar for the cardiopulmonary monitoring is highlighted and the results of the system analysis are reported. Moreover, the results obtained from the building-blocks design, the channel measurement, and the ultra-wideband antenna realization are reported.

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Section: Introductionmentioning

confidence: 99%

“…With respect to the preliminary study reported in [ 3 ], several details concerning the system analysis have been dealt with and reported in this paper. Moreover, this paper reports the advances and the present status of this research.…”

Section: Introductionmentioning

confidence: 99%

Feasibility Study and Design of a Wearable System-on-a-Chip Pulse Radar for Contactless Cardiopulmonary Monitoring

Zito

Pepe

Neri

et al. 2008

International Journal of Telemedicine and Applications

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“…1) New electroactive materials: Novel fibers have been invented, which can be used to make sensors, actuators, speakers, durable wires, and batteries [8]- [11]. 2) Hardware integration: Miniaturized hardware integration of electronic modules and new packaging technologies for electronic circuits allow to manufacture electronic textiles that lead to practical applications [12]- [14].…”

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confidence: 99%

Infrastructure and Reliability Analysis of Electric Networks for E-Textiles

Zheng

Lin

et al. 2010

IEEE Trans. Syst., Man, Cybern. C

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Abstract-Electronic textiles (e-textiles), known as computational fabrics, offer an emerging platform for constructing ambient intelligent applications. Computational nodes in e-textiles are driven by batteries. Unlike wireless sensor networks, not each computational node in e-textiles has its own battery. Instead, many computational nodes in e-textiles share a battery. Existing e-textiles use one fixed battery to drive a fixed set of computation nodes (

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“…A growing application is automotive radars in the 60/70 GHz bands, where multiple single-chip solutions have been presented and some are commercially available [6], CMOS realizations in the literature include [7][8][9][10]. Several short-range radar systems are reported [11][12][13] indicating a number of potential sensing applications provided a compact, low-power, and highperformance radar is available; preferably in low-cost standard technology. Figure 1 shows the proposed generic, programable system-on-chip radar with a FMCW receiver.…”

Section: Introductionmentioning

confidence: 99%

Bitstream radar waveforms for generic single-chip radar

Bjorndal

Hamran

Lande

2017

Int. J. Microw. Wireless Technol.

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Bitstreams, square wave digital signals, enable flexible radar implementations in modern digital technology. By using bitstreams in place of analog sinusoidal waveforms, we can realize continuous-wave (CW), stepped-frequency CW, frequencymodulated CW, or even pseudo random noise-sequence and pulsed radars, all with a single bit of amplitude resolution. The building blocks are a programable waveform generator, a sweep threshold quantizer, digital delay, and a digital XOR gate as a mixer. This gives us a novel, almost fully digital (requiring only a comparator) system, as previously proposed and which is extended here. The flexibility of the transmitter allows for easy switching between waveforms and the bitstream signal can be processed with single-bit digital gates. Single-bit signals allows for exploration of novel continuous time non-clocked digital implementations to maximize speed and energy efficiency. Mixing frequencies with a digital XOR gate creates harmonics, which are explored for multiple solutions utilizing digital delay. Analytical as well as simulation results are presented. Initial measurements from a 90 nm CMOS chip is provided for the transmitter and the full system, proving the feasibility of a digital future in radar.Keywords: Radar architecture and systems, Si-based devices and IC technologies I . I N T R O D U C T I O NModern digital technology bring miniaturization, low-power consumption, substantial computational power, and integration of complex processing on a small piece of silicon (system-on-chip). For modern radar systems, the full advantage of modern technology has been difficult to utilize in spite of faster devices and higher computational speed. As indicated in [1] modern radar systems are still fairly large modules with substantial size and power consumption.The basic principles of radar have been known for more than a century, over the years several radar architectures have been explored; each with its own tradeoff in application and hardware complexity. Radar architectures differ mainly by the utilized waveform, example architectures contains, continuous-wave (CW) radar for velocity determination, pulsed ranging radar, frequency-modulated continuous-wave (FMCW) radar, stepped-frequency continuous-wave (SFCW) radar, and noise radar. The frequency-modulated architectures need a frequency source and a mixer, but require only a modest sampling rate of the mixer difference. The pulsed and noise radars are more amendable to digital implementation, but require a receiver that samples the entire transmitted bandwidth.Several integrated radar systems have appeared in the literature, some with commercial interest. The first single-chip complementary metal-oxide-semiconductor (CMOS) radar was published by Hjortland et al. [2] in 2006, featuring a pulsed radar system now commercially available from Novelda [3]. Later an integrated SFCW radar was reported in 65 nm CMOS by Caruso [4] for breast cancer detection. Sachs [5] has written extensively on a M-sequence radar using SiGe BiCMOS techn...

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Wearable System-on-a-Chip Pulse Radar Sensors for the Health Care: System Overview

Cited by 11 publications

References 7 publications

Feasibility Study and Design of a Wearable System-on-a-Chip Pulse Radar for Contactless Cardiopulmonary Monitoring

Feasibility Study and Design of a Wearable System-on-a-Chip Pulse Radar for Contactless Cardiopulmonary Monitoring

Infrastructure and Reliability Analysis of Electric Networks for E-Textiles

Bitstream radar waveforms for generic single-chip radar

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