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wivi seminar report
Post: #1

please send a seminar report on the topic wi vi technology to reshma.sindhoori[at]gmail.com
Post: #2

Wi-Fi is a popular technology that allows an electronic device to connect to the Internet wirelessly using radio waves. Wi-Fi signals are nothing more than the carriers of information between the transmitter and the receiver. Wireless Vision (Wi-Vi) is a new technology similar to the same concept of Wi-Fi that allows you to see through the walls with the help of Wi-Fi signals. Wi-Vi allows us to track human beings moving through walls as well as behind closed doors. The Wi-Vi operation does not require any access to any device on the other side of the wall.

There are recent advances in MIMO communications to build a device or system that can capture the movement of humans behind a wall or door and into a closed room. Law enforcement personnel can use this device to avoid entering a shoemaker and minimizing victims in hostage situations. Emergency responders can use it to see through collapsed structures or debris. The advantages of this for common users are the device for gaming, usurpation detection, privacy-enhanced monitoring of children, senior or personal safety when walking on dark lanes and unfamiliar places. The concept of this vision through opaque obstacles is similar to sonar and radar imaging. Wi-Fi signals are typically information carrying signals between a transmitter and a receiver. Now it is possible with Wi-Fi signals it can also extend our senses. They allow us to see objects moving through walls as well as behind closed doors. It is therefore possible with the help of such signals to identify the number of persons and their relative location in a closed room. We can also identify gestures made behind a wall and combine the sequence of gestures to communicate messages or commands to a wireless receiver without carrying any type of transmission device.

Wi-Vi means "Wi-Fi" and "Vision", which is nothing more than wireless vision. It's a promising new technology that lets you see through walls using Wi-Fi signals. It also allows us to track moving or human objects through enclosed rooms and behind the wall. Wi-Vi based capture the reflections of their own transmission signals outside moving objects behind a wall or a door in order to track them. The Wi-Vi operation does not require any access to any device on the other side of the wall. Specifically, when interacting with a non-metallic wall, some form of the RF signal would cross the wall; They reflect objects and human beings. Come back with a signature of what is inside a closed room. By capturing these reflections, it is possible to imagine objects behind a wall or door. Construction of a device or system that can capture such reflections is difficult because the signal strength after penetrating the wall twice (inside and outside the wall) is reduced by three to five times magnitude. Even the difficult challenge is the reflections of the wall itself, which is stronger than the reflections of objects within the room. Reflection of the wall in the analog to digital converter of the receiver, ie ADC, avoiding that it considers the variations of minutes due to the reflections of objects behind the wall. This behavior is called "Flash Effect" because it is similar to how it reflects a mirror in front of a camera in the camera flash and prevents it from capturing objects in the scene
 


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