Download Citation on ResearchGate | Easy-to-Swallow Wireless Telemetry | Many countries will experience the effects of an aging population, resulting in a. Download Citation on ResearchGate | Wireless Telemetry for Electronic Pill Antenna Design for Impulse Radio Based Wireless Capsule Endoscope Communication Systems. Article .. Easy-to-Swallow Wireless Telemetry. An important feature of the electronic pill technology is the wireless system utilized. This article reviews recent attempts in the design of the wireless telemetry.

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As given in Table 4. As the induction changes, the amount of the frequency change was dependent on the pressure change. Moreover, a wearable receiver operating at high frequency could be easily incorporated in a hospital environment without causing any interference to other wireleess medical devices since higher-frequency links are in less crowded and rarely used frequency bands.

Thus, in order to provide good wireless communication performance, the receiver should be placed very close to the human body i.

This capsule uses image compressing techniques with an application specific integrated circuit ASIC to enable a higher transmission rate of images for low— data rate systems. Moreover, wireless power can substantially reduce overall the device size and weight. However due to the penetration loss, the signal can only be received when the receiver is close to skin.

Easy to Swallow Wireless Telemetry

Federal Communications Commission [28]. As a result, a high-frequency telemetry link is required for better resolution and a miniaturized system. Comparison of commercial electronic pills, www. The batteryless pills in [2] and iwreless operate based on passive telemetry. Another important area for study is reduction of the pill size and associated antennas.

Easy-to-swallow wireless telemetry

A receiver antenna was placed very close to the set-up container for receiving data from the phantom solution. This batteryImage Digital Data from Camera free capsule contains three rotor coils for posture conFigure 3.

It easy-ot-swallow a transmitter based on a Colpitts oscillator consisting of a small number of components and consuming little power. Considering the advantages of high-frequency transmission such as small electronic components and high data rate capability, a high-frequency link can provide a number of advantages.


The same group later developed a different version of their device that uses an electric stimulation technique to move the wirelews up and down inside the small intestines.

Wirelessly energizing electronic pills was studied early in the development of the first electronic pills [2], [11], [35]. This system has a different wireless transmission compared to other capsule technologies. Wirelessly energizing electronic pills was studied early eay-to-swallow the development of the first electronic pills. Another high frequency link has been presented using the new unlicensed UWB wireless technology band 3. Currently, the battery, one of the essential components in electronic pills, provides the power source to the active electronic components in the device.

The electronic pill by SmartPill is designed to measure pressure, pH, and temperature as it passes through the gastrointestinal GI tract. The communication distance is 38 cm with wireles receiving coil diameter of 20 cm for the carrier frequency of 20 MHz and the bit rate of 2. Electrocardiogram ECG and temperature recording have been used for more than 50 years in medical diagnosis to understand various biological activities [1], [2].

Easy to Swallow Wireless Telemetry

The device size is quite large when compared with other proposed systems because of this locomotion function. This capsule operates in a similar fashion as current reflective RFID technology.

It is difficult to assign enough data rate for the high-quality video easyto-swallow at the moment for real-time monitoring. Wireless power can substantially reduce the overall size and weight since the need for batteries is removed.

As high-definition cameras continue to be developed, they will become more attractive for use in electronic pills. As the feature size of integrated circuit technology is further reduced and functionality increased, future electronic pills designers will use these new technology and techniques, leading to completely self autonomous micro-robots that will contain sufficient functionality to go to designated areas within the patient. At these frequencies, the wireless telemetry systems should be based on antenna-transmission telemetyr than inductive links.

Another type of capsule is the robotic endoscope, which has features such as locomotion telemstry the energy transmission using electromagnetic EM coupling. Electronics pills with wireless power sources are generally smaller in size than a battery-powered capsule, with the further advantage of the virtually unlimited device life they provide.


It is designed with a mixer and an oscillator circuit together with a CMOS image sensor and loop antenna to form a capsule-shaped telemetry device. A wideband, high-frequency technology would be useful for high-definition images exceeding 2 Megapixels i. A small antenna is also possible with a wideband high-frequency technology. As given in Table 4, current electronic pills have limited operational time as a result of the battery technology used.

Although the design of electronic pills has a long history, current designs show the technology is still in its infancy, mainly due to the small size requirement, which prevents designers from including complex design techniques.

The autonomous robotic electronic pi supply, which successfully provided. These early attempts were based on low-frequency transmission and with simple structures. It is not available for in body communication. A small miniaturized electronic pill can reach areas such as the small intestine and can deliver real time videos images wirelessly to an external console.

Alternatively, a completely wireless power system could also be used. It is designed with a mixer and an oscillator circuit together with a CMOS image sensor and loop antenna to form a capsule-shaped telemetry device. Wireless Sensor Networks are becoming a relevant tool for the High data rate transmission, as commonly known, is not the only unique property of an UWB-based monitoring system.

The only section of the body that the device will stay is the stomach, a watery environment, full of acidic material that can reduce the effect of localized heating. Despite their simplicity, early systems were bulky because of the physically large electronic components and batteries at the time, in addition to the targeting of several diagnostic measures such as temperature, pH, and pressure.

The packet collisions occur when more than one user transmits information at the same time; as a result, the required information from each user may be lost.