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Uploaded on

09 Aug 2022

What Is A Wireless Network? A Complete Guide

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Skill-Lync

difference between wired and wireless networking

 

Over the last few decades, the world has shifted to digitization because of the advent of networks and connectivity. The usual methods of networking used around the world have proven inadequate for dealing with the problems brought on by our contemporary collective way of life. Users' mobility is severely restricted when they are tethered to a network by physical wires.

 

What Exactly Is a Wireless Network, and What Does It Mean?

Computer networks that don't need cables are known as wireless networks. As a result, businesses can avoid expenses and save the time required for installation. Wireless networks are built on top of radio waves implemented in the network's physical infrastructure.

Wireless networks allow connectivity between different devices. When laptops connect to public WiFi hotspots, they join that business's wireless network.

 

Wireless Networks Can be Divided into Two Categories:

 

  • Multiple wireless networks can be linked together in a wireless metropolitan area network (MAN). As the name suggests, this network connects two or more devices via a wireless distribution mechanism to the Internet via access points. This type of network covers large areas such as neighboring towns and cities.

 

  • WiFi PAN (Personal Area Network): This type of network connects devices only a few feet away from the user.

 

What is the Difference Between a Wired and Wireless Network?

 

wired vs wireless network

 

A wireless network allows devices to remain linked to a network while still allowing them to roam freely, irrespective of the constraints of wires and cables. Besides computers, scanners and POS machines can also be added to the list.

LAN wired networks can send and receive packets in both directions simultaneously and most current wired networks are "full-duplex."

A packet is a structure that holds a piece of information. Depending on the type of network, the size of the packet varies.

Full-duplex data transmission means that data can be sent in both directions at the same time on the same signal carrier.

WiFi operates in what are known as "shared" bands, where many different electronic devices are permitted to work.

As opposed to wired networks, wireless networks are "half-duplex," meaning that no one may talk and listen simultaneously. All traffic is audible to everyone. To preserve the confidentiality of information transmitted wirelessly, WiFi networks have included a variety of security mechanisms over time.Advantages of Wireless Network

  • The lack of wires and cables allows for more organized workstations.
  • Devices connected to the system are more mobile because they don't need to be physically linked.
  • The lack of need to run wires allows users to connect to network devices from virtually anywhere within range of the network or WiFi hotspot.
  • Wireless networks are more convenient to set up and maintain.
  • New devices can be quickly added because they don't need to be plugged into the existing system. Because the cable capacity isn't a constraint, the system's equipment count can grow or shrink at will. Wireless networks are incredibly scalable because of this.
  • There are no or very few wires required for wireless networks. Thus, the setup and equipment expenditures are reduced.

 

Connectivity Options for WiFi

The personal-area network (PAN), metropolitan-area network (MAN), and wide-area network (WAN) are all variations of the local area network (LAN). The PG in wireless network course helps you understand this concept in a better manner. 

 

LAN

It is a computer network that only exists at one location, such as an office building or a local area network. It can link a wide range of devices, including computers, printers, and data storage units. Switches, access points, routers, firewalls, and Ethernet cables connect the various parts of a local area network (LAN). WiFi is the most widely used wireless LAN technology.

 

PAN

In a personal-area network, the gadgets of one person in one place are the focus of the network's resources. Computers, mobile phones, gaming consoles, and other ancillary devices are all examples of PANs. Bluetooth is the most widely used wireless PAN in the industry today.

 

MAN

Metropolitan area networks cover an entire city or small area, such as the campus of an educational institution. A MAN's size is one way to tell it apart from a LAN. There is usually only one building or region in a LAN. On occasion, a MAN may be required to cover several square kilometers.

 

If you have a large campus and need to control important components like HVAC and electrical systems, a MAN may be a good option.

 

WAN

You'll find wide-area networks in significant cities, states and countries. The Internet is a vast area network. Like the Internet, LANs and MANs can be part of a WAN. Most people are familiar with cellular services, which are wireless WANs. 

 

Set of Requirements for Wireless Networks

 

requirements of wireless networking

 

Over time, wireless technology and the technology linked with it have progressed. Before investing in any of these technologies, it's always best to have your research thoroughly

 

The following are the most widely used wireless technologies today:

 

  • Up to 11Mbps of transmission speed is possible with IEEE 802.11b-1999 (802.11b), which is backwards compatible.

 

  • It is possible to transmit data at 54Mbps over a distance of 150 feet using IEEE 802.11g-2003(IEEE 802.11g).

 

  • Wireless LAN Standard IEEE 802.11n-2009 The frequency spectrum between 2.4GHz and 5GHz is the target of this technology, which intends to increase throughput. It employs many antennas, which boosts data rates.

 

In this article, we've examined wireless networks, their operation, and a few established standards. Wireless Networks and how they interact with each other have also been discussed. Wi-Fi management and security help keep unwanted users and data from harming devices that are connected to your network. Wireless routers or access points should be set up so that they have the best range and speed. The area of coverage is usually called the "coverage cell." Most of the time, more than one access point is needed to cover a large area. You can also improve the range of your wireless router by adding an access point.

 

In a survey conducted by Open Gear, 92% of their respondents reported that their financial loss was due to network outage. A network engineer is responsible for setting up wired and wireless connections inside an organization and must ensure a smooth performance of it. The role of network engineer is so vital whose salary may reach upto INR 7 LPA.

Learning PG in wireless network courses will make you eligible to pursue a career as a network engineer. Skill-Lync provides one of the best network certification courses that would equip you with the right skill set. The Post Graduate Wireless Network course would teach you cutting edge tools like MATLAB, WireShark, TShark, Dumpcap, TCPdump, LTE-Sim, Open 5GS and VirtualBox. Explore the wireless network course which is a 100% online certification program to kickstart your career as a network engineer.


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