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What are Remote Communications?
Remote communications is a field of science which allows two users or systems to communicate independent of the place they are located at. Radio wave is the basic concept of any remote communication. With several advancements in the field of cellular and satellite communications, it has become easier and simpler for humans to communicate.
Why Remote Communication?
With outsourcing being the mantra for organizations and communication being the soul of humans, the need for comfort and automation has increased tremendously in remote communication space.
The need for automation in the industrial sector has sparked an interest in the field of remote communication. Imagine you run a tyre manufacturing plant and want to automate the entire manufacturing process. When automation is done, it always has a risk of malfunctioning or the temperature exceeding the threshold limit. What would you do in this case?
Remote communication can send data to any mobile device and help in complete automation of the process. If you have a system connected to the plant, a simple SMS can de-activate the entire production process. This might be a very primitive example. But, consider the amount of flexibility an organization will have in the automated world.
How does Remote Communication Work?
Remote communication is primarily done with the two devices adhering to certain protocols during data transmission. Communication protocols are certain rules and regulations a device should follow when it transmits and receives the data in a particular format.
Remote communications can be done via different transmission media such as:
- Mobile
- Computer
- Radio devices (Repeaters etc)
Remote Communications Transmission
The above diagram gives an idea of how remote communication is done. When a GSM (Global Systems for Mobile) device transmits data at a particular frequency, the data is sent into the radio space.
The communication protocol helps the device to transmit the data with a particular encryption code which will help only certain devices to decrypt and receive the data. Mobile devices and radio modems operating on a particular frequency will be able to receive the data and process further. In mobiles, the data can be used to initiate voice and data communication. In modems, the data can be sent to the control center for further processing based on certain algorithms.
For simultaneous long range radio communications, the data has to travel a long distance and hence more attenuation before it is received by another device. In order to reduce attenuation of the data, repeaters are used to maintain the power level of the data. The repeaters in turn will send the data to radio receivers which will allow the communication to take place instantaneously. Repeaters do not reduce the noise to power ratio. Regenerators are used to reduce the noise and give a clear signal.
One major challenge in remote communications is to eliminate the noise picked up during transmission. A lot of study and research are continuously being done in the remote communications space for devices to interact in a much better way. This is just the beginning; we can expect a lot more advancements in this space.
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