Modulation techniques for biomedical implanted devices and their challenges

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

Implanted medical devices are very important electronic devices because of their usefulness in monitoring and diagnosis, safety and comfort for patients. Since 1950s, remarkable efforts have been undertaken for the development of bio-medical implanted and wireless telemetry bio-devices. Issues such as design of suitable modulation methods, use of power and monitoring devices, transfer energy from external to internal parts with high efficiency and high data rates and low power consumption all play an important role in the development of implantable devices. This paper provides a comprehensive survey on various modulation and demodulation techniques such as amplitude shift keying (ASK), frequency shift keying (FSK) and phase shift keying (PSK) of the existing wireless implanted devices. The details of specifications, including carrier frequency, CMOS size, data rate, power consumption and supply, chip area and application of the various modulation schemes of the implanted devices are investigated and summarized in the tables along with the corresponding key references. Current challenges and problems of the typical modulation applications of these technologies are illustrated with a brief suggestions and discussion for the progress of implanted device research in the future. It is observed that the prime requisites for the good quality of the implanted devices and their reliability are the energy transformation, data rate, CMOS size, power consumption and operation frequency. This review will hopefully lead to increasing efforts towards the development of low powered, high efficient, high data rate and reliable implanted devices.

Original languageEnglish
Pages (from-to)297-319
Number of pages23
JournalSensors
Volume12
Issue number1
DOIs
Publication statusPublished - Jan 2012

Fingerprint

Modulation
modulation
Equipment and Supplies
Electric power utilization
Frequency shift keying
Monitoring
Phase shift keying
Telemetering
Demodulation
Energy transfer
CMOS
Specifications
frequency shift keying
Electric Power Supplies
Telemetry
phase shift keying
comfort
telemetry
carrier frequencies
Energy Transfer

Keywords

  • Bio-medical/wireless implanted devices
  • Inductive coupling link
  • Modulation techniques
  • Power amplifiers

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Analytical Chemistry
  • Biochemistry

Cite this

Modulation techniques for biomedical implanted devices and their challenges. / M A, Hannan; Abbas, Saad M.; Abdul Samad, Salina; Hussain, Aini.

In: Sensors, Vol. 12, No. 1, 01.2012, p. 297-319.

Research output: Contribution to journalArticle

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