Cellular communication becomes the major mode of communication in present century. With the
development of this phase of communication the globalization process is also in its peak of speed. The
development of cellular communication is largely depending on the improvement and stability of Base
Transceiver Station (BTS) room. So for the purpose of the development of cellular communication a large
numbered BTS rooms are installed throughout the world. To ensure proper support from BTS rooms there
must be a security system to avoid any unnecessary vulnerability. Therefore multiple alarm system is
designed to secure the BTS rooms from any undesired circumstances. This system is designed with a PIC
Microcontroller as a main controller and a several sensors are interfaced with it to provide high
temperature alarm, smoke alarm, door alarm and water alarm. All these alarms are interfaced with the
alarm box in the BTS room which provides the current status directly to Network Management Centre
(NMC) of a Global System for Mobile (GSM) communication network.
Telecommunication is a very important part of its life. This technology is used in a very sophisticated area like safety and security purpose. Using the GSM technology, telecommunication is conducive to save its life as well as households from fire accidents which have shown in this paper. In this paper, the overall circuit is constructed with six sections. The first section is power supply. The second section is temperature sensor and smoke sensor. The third section is Arduino. The fourth section is LCD display. The fifth section is fan, buzzer and water pump. The sixth section is GSM module. Temperature sensor is connected to the digital input pin of the Arduino and smoke sensor is connected to the analog input pin of the Arduino. When the temperature sensor detects heat and the smoke detector detects smoke the detectable measurement of smoke can be configured regarding the size and surroundings of the room , there is a LCD display which shows temperature and smoke data. When the temperature reach above 40°C and the smoke sensor had reached over 200ppm, the buzzer is ON, spray automatically water and send SMS. Khin Thandar Tun | Aye Sandar Aung | May Lwin Thant "GSM Based Fire Security System" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-5 , August 2019, URL: https://www.ijtsrd.com/papers/ijtsrd26697.pdf Paper URL: https://www.ijtsrd.com/engineering/electronics-and-communication-engineering/26697/gsm-based-fire-security-system/khin-thandar-tun
Today Tsunami is the very wild natural disaster that threatens the mankind. An automated
warning system should be designed to measure the pressure variations under the sea. So in the
case of anyabnormal rise in the pressure level under the sea, an alarm is produced as well as
messages are sent to concerned persons using mobile computing. In this study a proximity capacitive sensor and embedded micro controller is designed to announce the oncoming of Tsunami to the authorized person
In this research, the design and simulation of an automatic system for temperature control using embedded system in order to automatically control of multi appliances depend on the temperature value. The appliances will be controlled are ventilation, cooling, heating and alert. this is an order to avoid or reduce to human intervention and increase system reliability. An important feature of this automation process is to reduce or eliminate the possibility of relying on the human factor operator for industries, warehouses and laboratories, and to improve working and performance environments. The system in this paper used the microcontroller PIC16F887 as the central control unit, LM35 temperature sensor as a temperature source,16x2 liquid crystal display (LCD) as indicator to display the different system working status an addition to some of drivers, relay and light emitting diodes (LED) as indicators to display the corresponding working appliance driver. The implementation and simulation of the system work has been achieved by using proteus professional software v8.0 and mikroc pro for pic v .6.6.1 software to write the equivalent program and generate .hex file for system working. The result shows in figures 5, 6, 7, and 8 that explain the system working cases.
Remote Monitoring System for Communication Base Based on Short MessageNooria Sukmaningtyas
The automatic monitoring system of communication base which is an important means to realize
modernization of mobile communication base station management. In this paper, we implement a
monitoring system for communication base with three essential functions which are telemetry, remote
control and communication. In this system, data acquisition unit, data transmit unit and monitoring centre
unit are combined to form this monitoring system. The system can check the communication base status
anytime through GSM SMS (short message service), and can send predefined command to perform
remote data collection and monitoring in the special conditions. It is suitable especially for the alarm of
unusual situation, the monitoring of environmental information and entrance guard information. The paper,
firstly, proposes the architecture of the monitoring system; secondly, proposes the terminal of monitoring
system. The data collection terminal is studied and designed, including hardware design based on
embedded system and software design. Finally, presents implmentation and results. The monitoring
system can improve the integrity, reliability, flexibility and intellectuality of monitoring system. The system
with modular structure, which is low-cost, fitter and easier to move and operate, can be expanded
according to practical need and is reliable and effective through field test.
Real-Time Monitoring and Control System for Industryijsrd.com
Industrial automation and control systems become an integral part of industries and hence the project Real-Time Monitoring and Control System is an important system. Real-Time Monitoring and Controlling System aims to monitor the environmental parameters like Temperature, Humidity, Pressure statistics in any factory and controlling peripheral systems also transmit parameter wireless to the Monitoring room using Zigbee Technology. It uses ARM 7 based embedded technologies from NXP which is sister company of Philips and made for used in highly sensitive and critical Real Time systems.
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
Design and Implementation of Real Time Remote Supervisory SystemIJERA Editor
In today’s fast growing communication environment and rapid exchange of data in networking field has triggered us to develop a home based remote supervisory monitoring system. In the present paper the physiological parameters of the patient such as body temperature, ECG, Pulse rate and Oxygen Saturation is displayed in MATLAB graphical user interface which is processed using ARM7 LPC2138. In case any emergency persist and parameters goes abnormal over the optimum level then a buzzer will ring to alert the caretaker. And the vital parameters will be displayed on the patient side computer and an automatic SMS will be sent to the doctor using GSM interface.
Telecommunication is a very important part of its life. This technology is used in a very sophisticated area like safety and security purpose. Using the GSM technology, telecommunication is conducive to save its life as well as households from fire accidents which have shown in this paper. In this paper, the overall circuit is constructed with six sections. The first section is power supply. The second section is temperature sensor and smoke sensor. The third section is Arduino. The fourth section is LCD display. The fifth section is fan, buzzer and water pump. The sixth section is GSM module. Temperature sensor is connected to the digital input pin of the Arduino and smoke sensor is connected to the analog input pin of the Arduino. When the temperature sensor detects heat and the smoke detector detects smoke the detectable measurement of smoke can be configured regarding the size and surroundings of the room , there is a LCD display which shows temperature and smoke data. When the temperature reach above 40°C and the smoke sensor had reached over 200ppm, the buzzer is ON, spray automatically water and send SMS. Khin Thandar Tun | Aye Sandar Aung | May Lwin Thant "GSM Based Fire Security System" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-5 , August 2019, URL: https://www.ijtsrd.com/papers/ijtsrd26697.pdf Paper URL: https://www.ijtsrd.com/engineering/electronics-and-communication-engineering/26697/gsm-based-fire-security-system/khin-thandar-tun
Today Tsunami is the very wild natural disaster that threatens the mankind. An automated
warning system should be designed to measure the pressure variations under the sea. So in the
case of anyabnormal rise in the pressure level under the sea, an alarm is produced as well as
messages are sent to concerned persons using mobile computing. In this study a proximity capacitive sensor and embedded micro controller is designed to announce the oncoming of Tsunami to the authorized person
In this research, the design and simulation of an automatic system for temperature control using embedded system in order to automatically control of multi appliances depend on the temperature value. The appliances will be controlled are ventilation, cooling, heating and alert. this is an order to avoid or reduce to human intervention and increase system reliability. An important feature of this automation process is to reduce or eliminate the possibility of relying on the human factor operator for industries, warehouses and laboratories, and to improve working and performance environments. The system in this paper used the microcontroller PIC16F887 as the central control unit, LM35 temperature sensor as a temperature source,16x2 liquid crystal display (LCD) as indicator to display the different system working status an addition to some of drivers, relay and light emitting diodes (LED) as indicators to display the corresponding working appliance driver. The implementation and simulation of the system work has been achieved by using proteus professional software v8.0 and mikroc pro for pic v .6.6.1 software to write the equivalent program and generate .hex file for system working. The result shows in figures 5, 6, 7, and 8 that explain the system working cases.
Remote Monitoring System for Communication Base Based on Short MessageNooria Sukmaningtyas
The automatic monitoring system of communication base which is an important means to realize
modernization of mobile communication base station management. In this paper, we implement a
monitoring system for communication base with three essential functions which are telemetry, remote
control and communication. In this system, data acquisition unit, data transmit unit and monitoring centre
unit are combined to form this monitoring system. The system can check the communication base status
anytime through GSM SMS (short message service), and can send predefined command to perform
remote data collection and monitoring in the special conditions. It is suitable especially for the alarm of
unusual situation, the monitoring of environmental information and entrance guard information. The paper,
firstly, proposes the architecture of the monitoring system; secondly, proposes the terminal of monitoring
system. The data collection terminal is studied and designed, including hardware design based on
embedded system and software design. Finally, presents implmentation and results. The monitoring
system can improve the integrity, reliability, flexibility and intellectuality of monitoring system. The system
with modular structure, which is low-cost, fitter and easier to move and operate, can be expanded
according to practical need and is reliable and effective through field test.
Real-Time Monitoring and Control System for Industryijsrd.com
Industrial automation and control systems become an integral part of industries and hence the project Real-Time Monitoring and Control System is an important system. Real-Time Monitoring and Controlling System aims to monitor the environmental parameters like Temperature, Humidity, Pressure statistics in any factory and controlling peripheral systems also transmit parameter wireless to the Monitoring room using Zigbee Technology. It uses ARM 7 based embedded technologies from NXP which is sister company of Philips and made for used in highly sensitive and critical Real Time systems.
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
Design and Implementation of Real Time Remote Supervisory SystemIJERA Editor
In today’s fast growing communication environment and rapid exchange of data in networking field has triggered us to develop a home based remote supervisory monitoring system. In the present paper the physiological parameters of the patient such as body temperature, ECG, Pulse rate and Oxygen Saturation is displayed in MATLAB graphical user interface which is processed using ARM7 LPC2138. In case any emergency persist and parameters goes abnormal over the optimum level then a buzzer will ring to alert the caretaker. And the vital parameters will be displayed on the patient side computer and an automatic SMS will be sent to the doctor using GSM interface.
Major Project Report on overheat and smoke detection with GSM module in final year of Undergraduate course in Electronics and Communication Engineering
Study and Development of Temperature & Humidity monitoring system through Wir...IJERA Editor
Wireless sensor networks have become an integral part of any developing country as it is being used nowadays as the primary monitoring system in various applications. The wireless sensor networks eliminate the hazards associated with the wiring systems and make data measurement and monitoring process much easier and cost effective. The decentralized architecture of the wireless sensor network and its flexibility of deployment make wireless networks most suitable for various process plants, industries and remote & rural communication. In this work, applications of wireless sensor network is carried out on online measurement and monitoring of reaction chamber, furnace etc, which is to be measured in the industries.
Health Monitoring System of Elderly using Wireless Sensor NetworkIjcatr04031005Editor IJCATR
Wireless-sensor-network-based home monitoring system for elderly activity behaviour involves functional assessment of daily activities. In this paper, we report a mechanism for estimation of elderly well-being condition based on usage of house-hold appliances connected through various sensing units. We define a two new wellness functions to determine the status of the elderly on performing essential daily activities. The modernized system for monitoring and evaluating the essential daily activities was tested at homes for four different elderly persons living alone and the results are encouraging in determining wellness of the elderly.
Microcontroller Based Temperature Monitoring and Controlling System using XBe...ijtsrd
Temperature controlling is one of the most important process variables in the process control. In this paper describes the design and implementation of a Wireless Sensor Networks WSN based on XBee technology to monitor the history and current temperature information of remote locations. In this work, the microcontroller is used to compute and compare the value of current temperature and the set point values. LCD is used to display the result data. This result data is also sent to the microcontroller where the operator controls the whole process. Then, the signal passes to the relays to On Off case of the fan for maintaining the correct temperature. Mon Mon Aye | Aye Myat Myat Myo | Zar Chi Soe "Microcontroller Based Temperature Monitoring and Controlling System using XBee Network" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-5 , August 2019, URL: https://www.ijtsrd.com/papers/ijtsrd27842.pdf Paper URL: https://www.ijtsrd.com/engineering/electronics-and-communication-engineering/27842/microcontroller-based-temperature-monitoring-and-controlling-system-using-xbee-network/mon-mon-aye
In this paper we have designed and implemented simple wireless patient monitoring system. This system can be implemented in hospitals or ICU’s as well as at patient’s home. The system monitors the vital health parameter: pulse and temperature. These parameters are automatically monitored and stored by the system. If these parameters deviate from their nominal values, the alert message is sent to the concerned doctor on his system or mobile. The system is cost effective, ease of implementation, automatic and continuous monitoring of pulse & temperature of the patient.
A Wireless Physiological Monitoring System for Hyperbaric Oxygen ChamberIJRES Journal
This paper introduces a system which can monitor multi-physiological parameters in the hyperbaric oxygen chamber. The monitoring system was designed as a star wireless sensor network and the system’s transmission protocol based on the IEEE802.15.4 were programmed. The signals can be collected with the sensor network working under network synchronization. The system can be used to monitor physiological parameters such as blood pressure, pulse rate and temperature. A prototype of the monitoring system has been fabricated and extensively tested with very good results.
Microcontroller Based Room Temperature and Humidity Measurement Systemijtsrd
The objective of this paper is to achieve a functional system in terms of hardware and software, to measure temperature and humidity. In this paper, we use a microcontroller based DHT11 sensor was designed developed to measure the value of temperature and humidity at room temperature. A microcontroller PIC16F877A was used to control the developed system's function. The system was measuring the temperature from 0ºC to 50ºCand the humidity RH from 20 to 90.the reading was displayed in a liquid Crystal Display. MikroC language program was developed to control the microcontroller. Ya Min Thaw Dar Aung | Cho Cho Myint "Microcontroller Based Room Temperature and Humidity Measurement System" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-5 , August 2019, URL: https://www.ijtsrd.com/papers/ijtsrd26438.pdfPaper URL: https://www.ijtsrd.com/physics/engineering-physics/26438/microcontroller-based-room-temperature-and-humidity-measurement-system/ya-min-thaw-dar-aung
Major Project Report on overheat and smoke detection with GSM module in final year of Undergraduate course in Electronics and Communication Engineering
Study and Development of Temperature & Humidity monitoring system through Wir...IJERA Editor
Wireless sensor networks have become an integral part of any developing country as it is being used nowadays as the primary monitoring system in various applications. The wireless sensor networks eliminate the hazards associated with the wiring systems and make data measurement and monitoring process much easier and cost effective. The decentralized architecture of the wireless sensor network and its flexibility of deployment make wireless networks most suitable for various process plants, industries and remote & rural communication. In this work, applications of wireless sensor network is carried out on online measurement and monitoring of reaction chamber, furnace etc, which is to be measured in the industries.
Health Monitoring System of Elderly using Wireless Sensor NetworkIjcatr04031005Editor IJCATR
Wireless-sensor-network-based home monitoring system for elderly activity behaviour involves functional assessment of daily activities. In this paper, we report a mechanism for estimation of elderly well-being condition based on usage of house-hold appliances connected through various sensing units. We define a two new wellness functions to determine the status of the elderly on performing essential daily activities. The modernized system for monitoring and evaluating the essential daily activities was tested at homes for four different elderly persons living alone and the results are encouraging in determining wellness of the elderly.
Microcontroller Based Temperature Monitoring and Controlling System using XBe...ijtsrd
Temperature controlling is one of the most important process variables in the process control. In this paper describes the design and implementation of a Wireless Sensor Networks WSN based on XBee technology to monitor the history and current temperature information of remote locations. In this work, the microcontroller is used to compute and compare the value of current temperature and the set point values. LCD is used to display the result data. This result data is also sent to the microcontroller where the operator controls the whole process. Then, the signal passes to the relays to On Off case of the fan for maintaining the correct temperature. Mon Mon Aye | Aye Myat Myat Myo | Zar Chi Soe "Microcontroller Based Temperature Monitoring and Controlling System using XBee Network" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-5 , August 2019, URL: https://www.ijtsrd.com/papers/ijtsrd27842.pdf Paper URL: https://www.ijtsrd.com/engineering/electronics-and-communication-engineering/27842/microcontroller-based-temperature-monitoring-and-controlling-system-using-xbee-network/mon-mon-aye
In this paper we have designed and implemented simple wireless patient monitoring system. This system can be implemented in hospitals or ICU’s as well as at patient’s home. The system monitors the vital health parameter: pulse and temperature. These parameters are automatically monitored and stored by the system. If these parameters deviate from their nominal values, the alert message is sent to the concerned doctor on his system or mobile. The system is cost effective, ease of implementation, automatic and continuous monitoring of pulse & temperature of the patient.
A Wireless Physiological Monitoring System for Hyperbaric Oxygen ChamberIJRES Journal
This paper introduces a system which can monitor multi-physiological parameters in the hyperbaric oxygen chamber. The monitoring system was designed as a star wireless sensor network and the system’s transmission protocol based on the IEEE802.15.4 were programmed. The signals can be collected with the sensor network working under network synchronization. The system can be used to monitor physiological parameters such as blood pressure, pulse rate and temperature. A prototype of the monitoring system has been fabricated and extensively tested with very good results.
Microcontroller Based Room Temperature and Humidity Measurement Systemijtsrd
The objective of this paper is to achieve a functional system in terms of hardware and software, to measure temperature and humidity. In this paper, we use a microcontroller based DHT11 sensor was designed developed to measure the value of temperature and humidity at room temperature. A microcontroller PIC16F877A was used to control the developed system's function. The system was measuring the temperature from 0ºC to 50ºCand the humidity RH from 20 to 90.the reading was displayed in a liquid Crystal Display. MikroC language program was developed to control the microcontroller. Ya Min Thaw Dar Aung | Cho Cho Myint "Microcontroller Based Room Temperature and Humidity Measurement System" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-5 , August 2019, URL: https://www.ijtsrd.com/papers/ijtsrd26438.pdfPaper URL: https://www.ijtsrd.com/physics/engineering-physics/26438/microcontroller-based-room-temperature-and-humidity-measurement-system/ya-min-thaw-dar-aung
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Hardware and Logic Implementation of Multiple Alarm System for GSM BTS Rooms
1. International Journal of Information Technology, Modeling and Computing (IJITMC) Vol.1,No.4,November 2013
DOI : 10.5121/ijitmc.2013.1406 53
HARDWARE AND LOGIC IMPLEMENTATION OF
MULTIPLE ALARM SYSTEM FOR GSM BTS
ROOMS
Arifa Ferdousi1
and Sadeque Reza Khan2
1
Dept. of Computer Science and Engineering, Varendra University, Rajshahi, Bangladesh
2
Dept. of Electronic and Communication Engineering, NITK, India
ABSTRACT
Cellular communication becomes the major mode of communication in present century. With the
development of this phase of communication the globalization process is also in its peak of speed. The
development of cellular communication is largely depending on the improvement and stability of Base
Transceiver Station (BTS) room. So for the purpose of the development of cellular communication a large
numbered BTS rooms are installed throughout the world. To ensure proper support from BTS rooms there
must be a security system to avoid any unnecessary vulnerability. Therefore multiple alarm system is
designed to secure the BTS rooms from any undesired circumstances. This system is designed with a PIC
Microcontroller as a main controller and a several sensors are interfaced with it to provide high
temperature alarm, smoke alarm, door alarm and water alarm. All these alarms are interfaced with the
alarm box in the BTS room which provides the current status directly to Network Management Centre
(NMC) of a Global System for Mobile (GSM) communication network.
KEYWORDS
BTS, ADC, LM35DZ, Photoelectric Sensor, Reed Switch, Seven Segment Display, Opto-coupler.
1. INTRODUCTION
BTS rooms are generally sealed with sophisticated and obviously costly electrical and electronics
devices which need constant inspection to ensure that those devices are safe and operational [1].
Studying the location of these rooms it can be found that these rooms are located in such a
position where rain water, illegal human intrusion, fire and many other unexpected incidents can
occur. So remote monitoring is a must needed service for these rooms. An intelligent alarm
system can easily assist in this phenomenon by studying all the factors of keeping the room safe
from the unexpected situations. The system should be such that it can monitor room temperature
all the time and generates alarm when the temperature goes above the set temperature as the
ambient temperature requirement is -5˚C ~ +45˚C and is recommended to be always kept
between 15˚C ~ 30˚C [2]. It also can detect if any kind of smoke, hence a fire event occurs in the
room and ultimately generates an alarm. System is also equipped with sensors which can detect
any kind water seepage in the room. Any kind of human intrusion through the door can also be
easily tracked by this system. So in this project an intelligent alarm system is developed with 8-bit
40 pin PIC microcontroller IC 16F877A and combination of some sensors which generates alarms
for any unexpected intrusions and sends the alarms to the Network Management Centre (NMC)
[3] which is under Operation and Support Subsystem (OSS) [4] through an alarm box positioned
in BTS room.
2. International Journal of Information Technology, Modeling and Computing (IJITMC) Vol.1,No.4,November 2013
54
2. PROJECTED SYSTEM
Proposed system is built with a main controller that is PIC microcontroller 16F877A and some
combination of sensors. This alarm system is designed such that illegal Human Intrusion can be
detected, water seepage be monitored, smoke/Fire alarm can be generated and room temperature
can be monitored via different sensors.
Figure 1. Proposed System.
3.Hardware Design
3.1. Control Module
The control module is built with a microcontroller IC. The central controller is Microchip
PIC16F877A. It consists of 40 I/O (Bi directional lines) with 25mA current in per pin and
operating voltage range of 2.0V to 5.5V [5], [6]. It also has eight channel built-in A/D converter,
serial communication and data EEPROM.
3.2. Temperature Sensor
The LM35 is an integrated circuit sensor that can be used to measure temperature with an
electrical output proportional to the Celsius (Centigrade) temperature [7]. Temperature is directly
measured by the AN0 pin of microcontroller IC. The value of temperature from the sensor is
calculated from the given equation 1. If the temperature value is less than the value preset is
EEPROM0 then it is assumed as normal temperature. Again the temperature is greater than the
value of EEPROM0 then it is alert temperature and for the temperature that is greater than the
value in EEPROM1 the status is danger temperature.
3. International Journal of Information Technology, Modeling and Computing (IJITMC) Vol.1,No.4,November 2013
55
Temperature = (ADC0 (AN0) * 4 /8) o
C................................ Eqn.1
If Temperature < Temperature (EEPROM0): Normal Temperature
If Temperature > Temperature (EEPROM0): Alert Temperature
If Temperature > Temperature (EEPROM2): Danger Temperature
Figure 2. Pin Configuration and Connection diagram of LM35DZ
3.3. Water Alarm Section
Water alarm is necessary in a BTS room to keep it away from flood. As water is harmful for the
sophisticated electronics components in BTS room so whenever water inserts in the floor of BTS
room it is necessary to be informed to the authority to take essential steps. A water alarm section
can be easily designed by using a transistor [8] shown in figure 3. Only two wires will come out
from the controller to the floor of BTS room to give a sense of presence of water to the main
controller. This section can also be designed with an Ultrasound Sensor [9] but the sensor is
costly enough to implement in this controller.
Figure 3. Water Alarm Circuit
Figure 4. Placement of Wires Coming from Controller to Floor of BTS
4. International Journal of Information Technology, Modeling and Computing (IJITMC) Vol.1,No.4,November 2013
56
3.4. Smoke/ Fire Alarm Section
Fire detection systems available currently are primarily smoke detectors [10]. The combination of
the rates of rise of smoke and either carbon monoxide or carbon dioxide concentration provides a
potential fire alarm algorithm to increase the reliability of smoke detectors, and to reduce the time
to alarm. Photoelectric sensors are mostly used in smoke detectors as a precise means of sensing.
Photoelectric sensor technology relies on an electric current that produces a beam of light [11].
When the beam of light is interrupted, an alarm sounds. Photoelectric sensors detect slow,
smouldering, smoky fires more quickly than other technologies. These detectors contain a light
source and a light-sensitive electric cell. Smoke particles in the detector deflect the light onto the
photoelectric cell, thus generating a current and triggering the alarm. For this project a smoke
detector of renowned company is used where the sensing is taken directly from the sensor and
interfaced into the controller.
Figure 5. Internal structure of smoke alarm device and wall mounted sensor device
3.5. Door Alarm Section
Door alarm is developed with a Reed switch [12] and a permanent magnet. Permanent magnet is
installed in the moving part of the door and Reed switch is in the fixed part of the door. So when
ever door is opened a sense will go to the controller to generate alarm. The sense is taken by the
controller through an opto-coupler.
Figure 6. Reed Switch and circuit for taking the sense from reed switch to PIC
5. International Journal of Information Technology, Modeling and Computing (IJITMC) Vol.1,No.4,November 2013
57
Figure 7. Implementation of door sensor
4. LOGIC DEVELOPMENT
“Flowcode Ver. 5”, advanced simulation software is used to develop this project. It is a kind of
software which has made the programming easy and more accurate rather than other old
PICmicro chip software’s by using the highest level of programming [13], [14]. For this project
the component macros Analog to Digital Converter, Seven Segment Display, Switch, LED and
EEPROM are used in the following software which is shown in figure 8. The software Flowcode
Ver. 5 provides a real time simulation which helps a lot in developing this project before going to
practical hardware.
Figure 8. Simulation Pannel
4.1 LOGIC FLOW CHART
Initially declare variables for all the sensors and read preset values from EEPROM to those
variables. If the set switch is pressed then enter in to the settings micro and change the necessary
entities and store those data in to the EEPROM. Now check ADC0 pin for any change in the
Temperature and other sensor connected ports as well. If there is any unexpected occurrence
identified then controller will send alarm to the relevant port of the alarm box.
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Figure 9. Logical flowchart
5. CIRCUIT DIAGRAM
PIC16F877A is used as the main controller where Seven Segment is connected in the PORT B
and its common pins are controlled by PORT D. Sensors are connected in RC5, RC6, RC7 and
the only ADC is used for temperature sensor and that is connected in AN0. Setting switches are
connected in PORT D and Port C. Here some pins of port D and Port C are used to control the
relays which are providing the sense to the alarm box. The program is inserted into the PIC by
using a software and programmer called USBurn.
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Figure 10. Implemented Circuit Diagram.
6. RESULT
Figure 11. Alarm Controller and Its Connection Ports.
Figure 12: Alarm Circuit testing using LCD and PIC 16F876A
In figure 11 a complete controller is shown which is installed in a BTS site and also its port
diagram. In figure 12 a complete alarm circuit is shown where a LCD interface is used and here
16F876A is used for testing different alarms.
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7. CONCLUSION
Safety of the BTS room is a serious issue over the years as most of the BTS rooms are located in
remote places and all of them contain costly and sophisticated equipments. So this designed
controller offers a robust safety feature for the BTS room. The 10 bit ADC can give an accurate
temperature value which can secure the BTS room from any kind of fire oriented disaster along
with the smoke alarm system. For smoke alarm highly sensitive photoelectric sensor based
system is used which can give alarm for any kind of sudden smoke sense. For water and door
alarm section locally developed sensors are used but their performance is satisfactory and reliable
as well. This whole system is low cost so can be affordable as well.
REFERENCES
[1] Alarm System,http://www.pilabsbd.com/index.php/products/telecommunication/alarm-system
[2] ZXG10-BTS(V1A)Base Trasnceiver Station Maintanance
Manual,http://www.scribd.com/doc/6568188/ZXG10-BTSV1AMaintenance-Manual
[3] Network Management Center,http://tutorials.telecomseva.com/index.php/2012/01/network-
management-centre-nmc/
[4] GSM:Network Architecture,http://www0.cs.ucl.ac.uk/staff/t.pagtzis/wireless/gsm/arch.html
[5] PIC16F877A,February 2012
[Online].Available:http://www.microchip.com/wwwproducts/Devices.aspx
[6] PIC 40 Pin 20MHz 8K 8 A/D-16F877A,https://www.sparkfun.com/products/226
[7] LM35,“Precision Centigrade Temperature Sensors”,Natinal Semiconductor, November 2000.
[8] Kavita Jindal,Kavita Singh,“Hardware and Software based Water level controller system using
Microcontroller” International Journal of Science Technology & Management, Vol.2,Issue 2,April
2011.
[9] S.JATMIKO,A.B.MUTIARA,M.INDRIATI“PROTOTYPE OF WATER LEVEL DETECTION
SYSTEM WITH WIRELESS” Journal of Theoretical and Applied Information Technology,15th
March 2012. Vol. 37 No.1.
[10] Shin-Juh Chen,Chris Hovde1,Kristen A.Peterson1,André Marshall“Fire detection using smoke and
gas sensors” Fire Safety Journal,Paper No.1298,Manuscript No. U161.
[11] How smoke detector works,http://www.epa.gov/rpdweb00/sources/smoke_howdo.html
[12] Reed switches,https://www.comus-intl.com/productpages/reed_switches_us.asp
[13] Bart Huyskens,“AN INTRODUCTION TO MICROCONTROLLER PROGRAMMING V1.0”.
[14] Flowcode 4 ,11 January,2012,[online],Available:http://www.matrixmultimedia.com/flowcode4a-
x.php.
Authors
Arifa Ferdousi
Arifa Ferdousi received B.Sc. and M.Sc. degree in ICE from University of Rajshahi,
Bangladesh, in the year of 2007 and 2009 respectively. Currently she is working as a
lecturer in the department of CSE in Varendra University, Rajshahi, Bangladesh. Her
research interest includes electronics system designing, OFDM, Advanced LTE Wi-Max
and Bangla speech recognition system using Neural Network. She is the member of
Bangladesh Electronic Society(BES).
Sadeque Reza Khan
Sadeque Reza Khan received B.Sc. degree in Electronics and Telecommunication
Engineering from University of Liberal Arts Bangladesh and continuing his M.Tech in
VLSI from National Institute of Technology Karnataka (NITK), India. Currently he is in
study leave from his Institution where he was working as a lecturer in the department of
Electrical and Electronic Engineering in Prime University, Bangladesh. His research
interest includes VLSI, Microelectronics, Control System Designing and Embedded
System Designing.