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How Mobile Communication Works?

Mobile Communication Works

While talking, walking, or riding the train, people are always in contact – that’s how mobile phones have changed the geolocalisation way we live. A mobile phone is a device meant for mobile telecommunication. It works through a cellular network called cell sites. It offers Duplex Communication that transfers links from one mobile phone to the other.

In this article, we will tackle how mobile communication works.

Mobile Phone Features

A mobile phone is specially created for voice communication. Aside from voice communication, there are other features one can use through mobile phones such as text messaging or SMS, accessing the internet, email, Bluetooth, camera, gaming, and a lot more.

To communicate using your mobile phone is required that you receive the signal from the base station. This is indicated on the bars indicated above your mobile phone screen. Nowadays, the “bar” on your cellphone is accompanied by a sign such as 3G, 4G, or 5G.

Mobile Phone’s Signal Frequency

The cellular system is composed of divided small cells. These cells allowed the frequency reuse for a particular area so people in that area can use the mobile phone and other features. The cellular network comes with some advantages too. It provides a larger coverage area, increased capacity, reduced power usage, reduced interference in signals, and the like.

CDMA and FDMA Cellular System

Code Division Multiple Access (CDMA) and Frequency Division Multiple Access (FDMA) are used in distinguishing signals from various transmitters. The job of CDMA is more complex as the transceivers can choose a cell to listen to. On the other hand, the FDMA transmits and receives frequencies from a cell site different from the frequencies in another or neighboring cell.

Mobile Phone Codes

Mobile phones have codes, and each one of them has particular jobs. These are the following:

  • ESN / Electronic Serial Number – ESN comes with 32 unique numbers programmed in your mobile phone. This is different from other codes such as SID and MIN, which are only programmed in your phone when activated.
  • MIN / Mobile Identification Number – MIN is a 10-digit number derived from your mobile phone number.
  • SID / System Identification Code – SID is a 5 unique number which is designated by the FCC to each carrier.
  • SIM / Subscriber Identification Module – SIM or SIM card is a smart card to be used on your mobile phone. Without this, you can’t use the text messaging and voice call feature of your mobile device.

The first 3 digits in your SIM is the mobile country code; this is where you can determine if the digit is part of international phone numbers. The second two digits are your mobile network code. The 10 digit, however, is the MIN or Mobile identification number.

Conclusion

With more than a hundred millions subscriptions across the world, mobile phones have been a necessary and indispensable tool in this modern life and age. With this device, you can communicate with other people whenever and in whichever country he is situated. This article explains the basics of how mobile phones work. We must know them in this digitalized world.

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