Wireless networks - Types of wireless networks
Post by Jawad Ahmad Riaz
What is Wireless Networking?
The term refers to any kind of networking that does not involve cables. It is a technique that helps entrepreneurs and telecommunications networks to save the cost of cables for networking in specific premises in their installations. The transmission system is usually implemented and administrated via radio waves where the implementation takes place at physical level.
Notes: This is image to elaborate basic visual functionality of wireless networks
What are the Types of Wireless Connections?
The types of wireless networks are defined on the bases of their size (that is the number of machines), their range and the speed of data transfer.
- Wireless PAN - Personal area network Wireless Personal Area Networks
Such networks interconnect devices in small premises usually within the reach of a person for example invisible infra red light and Bluetooth radio interconnects a headphone to a laptop by the virtue of WPAN. With the installation of Wi-Fi into customer electronic devices the Wi-Fi PANs are commonly encountered.
Wireless LAN - Local Area Network
- Wireless MAN - Metropolitan Area Networks
The wireless network that is used to connect at high speed multiple wireless LANs that are geographically close (situates anywhere in a few dozen kilometers). The network allows two or more nodes to communicate with each other as if they belong to the same LAN. The set up makes use of routers or switches for connecting with high-speed links such as fiber optic cables. WiMAX described as 802.16 standard by the IEEE is a type of WMAN.
- Wireless WAN
WAN is the wireless network that usually covers large outdoor areas. The speed on such network depends on the cost of connection that increases with increasing distance. The technology could be used for interconnecting the branch offices of a business or public internet access system. Developed on 2.4GHz band these systems usually contain access points, base station gateways and wireless bridging relays. Their connectivity with renewable source of energy makes them stand alone systems. The most commonly available WAN is internet.
- Mobile devices networks
The advent of smart phones have added a new dimension in telecommunications , referred as "Mobile communication"; todayís telephones are not meant to converse only but to carry data.
- GSM - Global System for Mobile Communications Global System for Mobile Communications is categorized as the base station system, the operation and support system and the switching system. The mobile phone is initially connected to the base system station that establishes a connection with the operation and support station that later on connects to the switching station where the call is made to the specific user.
The simplest wireless distribution method that is used for interlinking two or more devices providing a connection to wider internet through an access point. OFDM or spread-spectrum technologies give clients freedom to move within a local coverage area while remaining connected to the LAN. LANís data transfer speed is typically 10 Mbps for Ethernet and 1 Gbps for Gigabit Ethernet. Such networks could accommodate as many as hundred or even one thousand users.
TAN - Tiny Area Network and CANs - Campus Area Networks are two other types of networks. TAN is similar to LAN but comparatively smaller (two to three machines) where CAN resembles MAN (with limited bandwidth between each LAN network).
PCS - Personal Communications Servic is a radio band that is employed in South Asia and North America; the first PCS service was triggered by Sprint.
D-AMPS Digital Advanced Mobile Phone Service is the upgraded version of AMPS that is faded away due to technological advancements.
The Utility of Wireless Networks
The development of wireless networks is still in progress as the usage is rapidly growing. Personal communications are made easy with the advent of cell phones where radio satellites are used for networking between continents. Whether small or big, businesses uses wireless networks for fast data sharing with economical means. Sometimes compatibility issues with new devices might arise in these extremely vulnerable networks but the technology has made the uploading and the downloading of huge data a piece of cake with least maintenance cost.
WEP - Wired Equivalent Privacy as well as firewalls could be used for securing the network. Wireless networks are the future of global village. For referring to security of wireless lan networks you can refer to related articles in section below
Notes: Useful video demonstration on how to install wireless networks at home
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