A wireless network enables people to communicate and access applications and information without wires. This provides freedom of movement and the ability to extend applications to different parts of a building, city, or nearly anywhere in the world. Wireless networks allow people to interact with e-mail or browse the Internet from a location that they prefer.
Many types of wireless communication systems exist, but a distinguishing attribute of a wireless network is that communication takes place between computer devices. These devices include personal digital assistants (PDAs), laptops, personal computers (PCs), servers, and printers. Computer devices have processors, memory, and a means of interfacing with a particular type of network. Traditional cell phones don't fall within the definition of a computer device; however, newer phones and even audio headsets are beginning to incorporate computing power and network adapters. Eventually, most electronics will offer wireless network connections.
Wireless networks make use of wireless data connections to fetch and transmit data through radio waves. This type of network is extremely convenient since it eliminates the need to have connected wires to support any device or system. Due to its digital and adaptive modulation, and access multiplexing, a wireless network becomes extremely portable.
Wireless networks are flexible with low costs and provide high standards of services. There are various types of wireless networks where each kind is made to serve a different function. Some wireless networks are built to serve a household while others are made to function in well-developed communities.
Types of Wireless Network:
WLANS: Wireless Local Area Networks
WLANS allow users in a local area, such as a university campus or library, to form a network or gain access to the internet. A temporary network can be formed by a small number of users without the need of an access point; given that they do not need access to network resources.
WPANS: Wireless Personal Area Networks
The two current technologies for wireless personal area networks are Infra Red (IR) and Bluetooth (IEEE 802.15). These will allow the connectivity of personal devices within an area of about 30 feet. However, IR requires a direct line of site and the range is less.
WMANS: Wireless Metropolitan Area Networks
This technology allows the connection of multiple networks in a metropolitan area such as different buildings in a city, which can be an alternative or backup to laying copper or fiber cabling.
WWANS: Wireless Wide Area Networks
These types of networks can be maintained over large areas, such as cities or countries, via multiple satellite systems or antenna sites looked after by an ISP. These types of systems are referred to as 2G (2nd Generation) systems.
WAHN: Wireless Ad Hoc Network
In a literal sense, Ad hoc means something improvised or a makeshift device. So, when it comes to defining it in terms of wireless technology, the wireless Ad Hoc network is a kind of impromptu, on-demand network that works from device to device. In this network setting, one can wirelessly connect one device to another without first connecting to a wireless router or Access Point. Since Ad Hoc wireless network can sustain itself without any existing infrastructure, it is decentralized and regarded as a peer-to-peer network.
It does not rely on a wireless router or central Access Point to transmit data from one point to another. Instead, each of its nodes sends and receives data that is circulated evenly through the existing structure. In other words, the nodes are free to communicate with each other without any barrier. A node in this setting can be defined as a single device that receives or transfers data to nearby devices.
New devices in the market cannot cater to a wireless Ad hoc environment. However, there are still a few good reasons as to why one should invest in this networking technology. Since Ad hoc networks can be created in any environment and under any circumstances, this quality makes them ideal for larger organizations, SMEs, or ordinary personal usage.
WHN: Wireless Hybrid Network
In a wired network, all the devices must be connected with each other through a physical cable. On the other hand, a wireless network needs to create a wireless connection where all the devices are connected and respond to one another with the help of a main wireless Access Point.
In a standard Hybrid Network, there is a hybrid AP that relies on wireless as well as wired signals. A usual hybrid router transmits a Wi-Fi signal but it also contains ports that can be connected to any DSL modem or cable through Ethernet cables. When it comes to Hybrid Network, there are various network configurations. However, the most common one is where every wired device is plugged into the hybrid router’s Ethernet ports.
Hybrid Network is popular due to its accessibility and cost-saving factors. For instance, if you have an Ethernet connection in your home and buy a wireless device, you do not have to bin your entire connection system to set up a wireless network. You just simply have to add a wireless router to your current network and your wireless devices are good to go. The same goes for a business network as well.
Hybrid Network is a great option for individuals to introduce new network technologies and combine them with the existing ones to create a strong connection. Security is the biggest concern with Hybrid Networks; otherwise, it offers a lot of connectivity opportunities.
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