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WIRELESS SENSOR NETWORKS FOR MONITORING
PHYSIOLOGICAL SIGNALS OF MULTIPLE PATIENTS
This paper presents the design of a nov...
Proposed system:
Each module of patient home consists of ECG sensors, microcontroller and wireless
module. the ECG values ...
Power Supply

UART
ECG Sensor

PIC
MCU
LCD

Patient 2:
Transmitter Section:
Power Supply

UART
ECG Sensor

PIC
MCU
LCD
Receiver Section:
Power Supply

UART
PIC
MCU

Hardware Requirements:
 PIC16F877A Microcontroller.
 ECG Sensor
 Zigbee m...
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Wireless sensor networks for monitoring physiological signals of multiple patients

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Transcript of "Wireless sensor networks for monitoring physiological signals of multiple patients"

  1. 1. WIRELESS SENSOR NETWORKS FOR MONITORING PHYSIOLOGICAL SIGNALS OF MULTIPLE PATIENTS This paper presents the design of a novel wireless sensor network structure to monitor patients with chronic diseases in their own homes through a remote monitoring system of physiological signals. Currently, most of the monitoring systems send patients’ data to a hospital with the aid of personal computers (PC) located in the patients’ home. The proposed remote monitoring system is a wireless sensor network with the nodes of the network installed in the patients’ homes. These nodes are then connected to a central node located at a hospital through an Internet connection. The nodes of the proposed wireless sensor network are created by using a combination of ECG sensors, microcontrollers and a zigbee low-power wireless radio. ECG signals are first sampled by a small portable device which each patient carries. The captured signals are then wirelessly transmitted to Pc located within the patients’ home. This connectivity is based on wireless data transmission at 2.4-GHz frequency. Afterwards, the data are sent to the hospital via the Internet in real time for analysis and/or storage. The benefits of this remote monitoring are wide ranging: the patients can continue their normal lives, their risk of infection is reduced, costs significantly decrease for the hospital, and clinicians can check data in a short time. Existing system: In the existing system, even though we are using ECG sensor we require manpower for observing the graphical representation of heart condition and abnormality indication whenever the abnormality condition is detected. Due to this we require the individual person for every patient. This is the disadvantage of existing system. Hence we propose new system.
  2. 2. Proposed system: Each module of patient home consists of ECG sensors, microcontroller and wireless module. the ECG values are sensed by ECG sensor of each patient and fed to PIC microcontroller , the PIC microcontroller converts the analog sensor signal to digital form of signal. The digital ECG values are transmitted to PC through Zigbee wireless protocol. In PC receives ECG value and upload to internet using .net application. In the hospital, signals are received and monitored via internet. We consider the monitoring system which has two main sections in the system. The first section is patient using ECG sensor to monitoring the signals continuously are detected, digitized, and to be transmitted to PC via a wireless channel. One more patient using ECG sensor to transmit the data to updated home in PC. In PC data’s are merged all of them together and sends them via Internet to the hospital, which is the next part of the system. In the hospital section, signals are received and monitored in internet. The patient home is connected to the hospital through the Internet. Block Diagram: Patient 1: Transmitter Section:
  3. 3. Power Supply UART ECG Sensor PIC MCU LCD Patient 2: Transmitter Section: Power Supply UART ECG Sensor PIC MCU LCD
  4. 4. Receiver Section: Power Supply UART PIC MCU Hardware Requirements:  PIC16F877A Microcontroller.  ECG Sensor  Zigbee module.  LCD  MAX 232.  PC Software Requirements:  Embedded C  CCS or MPLAB Compiler  VB .NET MAX 232

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