Wireless communication is the innovative transfer of information over a distance without the assistance of wires, cables, or any other electrical conductors. Examples of wireless communication include Bluetooth and Wi-Fi. Wireless communication services encompass all the processes and methods used to connect and communicate between two or more devices by utilizing a wireless signal transmitted by wireless communication technologies and devices. Wireless communication is also referred to as radio frequency (RF) communication.
Because of wireless communication networks and systems technology, people can connect with one another despite their physical locations. To send and receive messages, being physically present at a location such as an office or a telephone booth is not essential. Because of their ease of use, wireless communication network devices such as mobile phones are available to be used by almost everyone, regardless of their location. Receiving or transmitting messages does not need physically connecting anything at any point in the process. Read on for your guide to wireless communications, which can be found further down below.
What is Wireless Communication?
The development of wireless technology has resulted in several useful advances thanks to the capabilities it now has.
- The distance that can be communicated may range from only a few meters (as in the case of a television’s remote control) all the way up to thousands of kilometers (for example, radio communication). It is possible to employ wireless communication for cellular telephone service, wireless access to the internet, wireless home networking, and many more applications.
- The following are some further examples of uses of radio wireless technology: GPS devices, garage door openers, wireless computer mice, keyboards, and headsets, headphones, radio receivers, satellite television, broadcast television, and cordless telephones.
- The utilization of connecting cables is required in order to engage in wired communication. Communication through wireless networks does not need the deployment of a complex physical infrastructure or labor-intensive maintenance procedures. As a result, the cost is decreased. For instance, a business that is in the business of providing wireless communication services does not have to worry about a significant amount of overhead, and as a consequence, it is able to price its customers very reasonable rates.
How Is Wireless Communication Established?
The History
- Wireless technology has a long history, and its beginnings can be traced back to around the time that it was theoretically predicted and then proved the existence of electromagnetic waves in the 1860s by James C. Maxwell and when Heinrich R. Hertz experimentally confirmed the actual existence of the electromagnetic wave in 1888. Wireless technology was first used to transmit data over long distances without the use of wires.
- In the year 1895, Guglielmo Marconi was able to successfully decipher Morse code using a radio wave that was sent from a spark-gap transmitter to a receiver that was located 2.4 kilometers distant. The fundamental principle and organizational structure of modern wireless communication were shown in this experiment. In wireless communication, the transmitter communicates information about the target by superimposing it on a carrier wave. The receiver acquires the information by separating the information that was overlaid from the carrier wave.
Development
- The advancement of research into wireless communication was primarily for the purpose of the military, and several wireless technologies were invented and improved. One of the most significant uses of wireless communication, broadcasting, also saw an expansion of wireless communication on a commercial basis. This was one of the most significant applications of wireless communication. The first transmissions of radio began in the first part of the 20th century, while the first broadcasts of television began in the second half of the same century.
- Since the late 1980s, wireless communication has seen widespread use by individuals on mobile phones and other mobile terminals. This is due to the rapid development of related technologies, primarily in the fields of semiconductors and software, which have occurred in tandem with the expansion of the internet’s new infrastructure. These are also paradigms of business and a social life that are undergoing change even. Technologies of wireless communication are now being developed and are rapidly expanding in a variety of business sectors.
Characteristics of Wireless Communication
Below is a list of the characteristics that are associated with wireless communication, as follows:
- Unrestricted movement without the need for wires; may be customized with the aid of any physical connection.
- Easy to extend and set up, a wireless network requires no technical expertise.
- Better or worldwide coverage: It offers better coverage or global reach by enabling networking in locations where wiring is not practicable, such as rural regions, battlefields, and other similar settings.
- When compared to a wired network, the flexibility and adaptability of a wireless network are far higher.
- Wireless networks are often less expensive than wired networks due to the fact that it is simpler to set up and does not need the use of wires.
- Wireless networks are both mobile and portable, making it simple to move them to new locations and set them up again.
- Mobility: It offers a high degree of mobility in its utilization.
Why is Wireless Communication Important Nowadays?
Wireless technologies are today relied upon in basic ways by almost every sector of the economy, from banking and agriculture industries to transportation and healthcare services. This includes the economy as a whole. And potent new technologies that depend on strong wireless communications networks, such as the Internet of Things, artificial intelligence, and 5G, offer immense potential to enhance people’s lives at an unprecedented rate and scale.
The innovation of wireless communication has the ability to speed up the process of accomplishing each of the United Nations’ 17 Sustainable Development Goals (SDGs). However, if there were no international norms and standards that were agreed upon globally, none of this would be feasible since they serve to guarantee that wireless communications across borders are not disrupted by interference.
Uses for a Wireless Communication System
Many current trends in small businesses use wireless communication in various capacities. Apps for mobile devices, services hosted in the cloud, and the Internet of Things are a few examples (IoT). As a result, we are aware that they are capable of having an effect on businesses and society in general.
The following is a list of five applications for a wireless communication system:
Making Calls
Billions of individuals around the globe are subscribed to some kind of cellular communication service. Radio waves are sent from one cell tower to another for this system to function properly. These towers come together to create a network that guides the waves. Therefore, the waves will be triangulated to the call recipients’ phone antennas to locate them. Even though the internet is readily available, it is still necessary for firms to do business by telephone. It is beneficial to customer service as well as sales.
-
Putting Devices Together
- The technology known as Bluetooth enables users to connect a variety of gadgets. This is accomplished by using radio waves with a short range and low energy. These waves are used by enabled devices to join up with other connected devices and access them.
- People often link their cellphones to Bluetooth headphones, for instance. Those who are driving and need to make or take calls may do so in a risk-free manner with this choice. In addition, Bluetooth makes it possible to move data from one device to another. It may come from a computer, a tablet, or a smartphone. People who work in offices often have access to this equipment, which allows them to print papers.
- Bluetooth technology is required for the Internet of Things to connect electrical gadgets in the house. You can link various devices, including cameras, phones, laptops, and thermostats. TVs and speakers may also be connected to one another.
- This technology is used by those interested in health and fitness to link fitness gadgets. In addition to this, doctors may use it to get data from linked medical equipment such as pacemakers.
-
Being able to connect to the Internet
There are a lot of individuals who use Wi-Fi, but many never stop to think about how the connections are really made. The solution lies in the use of wireless network systems. In these networks, the radio frequency (RF) signals that are sent to other devices are handled by routers. In order to pick up the signals and connect to the internet, the devices in question need to be equipped with wireless adapters. Because of this, businesses can now share internet access inside their offices.
-
Make the Security Tighter
The various forms of wireless communication can make the system more secure. Walkie-talkies are a good example since they both send and receive radio signals. As a result, companies may hand them on to the security guards they employ. Additionally, workers may utilize them to interact with one another inside the building. The use of Bluetooth may be used to unlock doors that have been locked.
-
To assist in Localization and Tracking
Using a technology that facilitates communication through satellite enables satellites to establish connections with equipment on earth. As a result, individuals can communicate through the telephone and even connect to the internet. Most people are familiar with it because of its use in the Global Positioning System (GPS). This enables companies to pinpoint their staff and cars and keep track of their movements.
Types of Wireless Communication
There are many different kinds of wireless communication technologies, including the following:
-
Infrared (IR) wireless communication
It is used for security control and short- and medium-range communications. Most IR systems work in line-of-sight mode, which means that there can’t be anything between the source (transmitter) and the receiver (receiver) (destination).
Infrared is used in security systems and remote controls for TVs.
Infrared radiation is between microwaves and visible light on the electromagnetic spectrum.
-
Broadcast Radio
Radio is a service that sends sound through the air as radio waves. It uses a transmitter to send radio waves to an antenna that can receive them. Stations are connected to the radio networks to play the same shows. AM/FM Radio can send up to 2 megabits per second of data over long distances (across countries).
-
Microwave Radio
Voice and data are sent through the air as microwaves, high-frequency radio waves with very short wavelengths. Most of the time, microwave transmission sends messages between stations on the ground and communications systems in space.
-
Communications Satellites
A communication satellite is an artificial device in space that is used to send and receive communications. It works like a radio relay station high above the earth. It can pick up, boost, and reroute analog and digital signals on a certain radio frequency. A signal path transponder is used to send data through a satellite. Most satellites have between 24 and 72 transponders, and each can send and receive up to 155 million bits of data per second. Communication satellites are the best way to send and receive content, including audio and video because they can do so much.
Advantages and disadvantages of Wireless Communication
Indicated below are the advantages and disadvantages of wireless communication technology, as follows:
Advantages
- It costs less to set up and maintain wireless networks;
- A lot of data is sent quickly and at high speed;
- Compared to other types of networks, they are easier to maintain and cost less to set up;
- Anyone, anywhere, can connect to a wireless network at any time;
- Professionals can now connect to the Internet anywhere and at any time without having to carry cables or wires. This also makes it possible for professionals to do their jobs from far away;
- Wireless communication makes it possible for medical workers in remote areas to talk to medical centers in other places; and
- Through wireless communication, people in emergencies can get help and support right away.
Disadvantages
Wireless communication has both good and bad things about it. If it isn’t secured well, it can lead to security risks and the misuse of data. A person can misuse and easily pick up wireless signals in the air and use the information that is sent over the wireless network for their own purposes. Strong security protocols are required to be used to protect wireless signals like WPA and WPA2. To protect the wireless network, you can also use a wireless intrusion prevention system.
Wireless communications have made it possible to link billions of people to the Internet, allowing these individuals to participate in the advantages offered by the digital economy of today. In a similar vein, the widespread adoption of standardized protocols for mobile phones has made it possible for users to use their phones in any part of the globe. And if you want to know more about the innovation and advancement of wireless communication technology, you may refer to https://www.thepractical.co.th/ for further elaboration.
