INDOOR POSITIONING SYSTEM
This project describe about the Indoor Positioning System is a system in which we can
locate the position of an object in an indoor environment utilizing ultrasonic waves generated by
narrow directional ultrasonic transmitter. To achieve the objective of position detection, we have
designed ultrasonic transmitter and receiver circuits, RF transmitter, and receiver for
synchronization purposes. An RFID reader is a device that is used to interrogate an RFID tag.
The reader has an antenna that emits radio waves; the tag responds by sending back its data.
An RFID tag is a microchip combined with an antenna in a compact package; the
packaging is structured to allow the RFID tag to be attached to an object to be tracked. "RFID"
stands for Radio Frequency Identification. The tag's antenna picks up signals from an RFID
reader or scanner and then returns the signal, usually with some additional data (like a unique
serial number or other customized information).
The Indoor positioning system which does not need GPS and it need satellite signal to
detect. The positioning system for indoor purpose is not designed. The method of design using
GPS is having limited intelligence. So we go to our proposed system.
This system involves the design of Robot design system which consists of ultrasonic
sensor, RFID reader and LCD. Here we are using ultrasonic sensor to detect the obstacle. The
RFID tag is fixed in the floor based on that the robot will read the tag number and show the
status in the LCD. The robot position will not be change if it change the ultrasonic will sense the
obstacle in environment and stop the movement.