Why going wireless


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Home and Office Wireless Networks

A home and office wireless network can be setthe  switch,  hub  or  LAN  router.
up using wireless local area network (WLAN)
devices. A wireless LANhas a wirelessUnlike cellular networks with fixed
platform to enable wireless communicationfrequencies, users in Wireless Local Area
amongst the computers/laptops and peripheralNetworks have to share frequencies,that
devices partof the LAN. A wireless LAN hassometimes can lead to collisions. The choice
limited range and is usually best suited forof frequency depends on whether microwave,
local environment such as a building,officespread spectrum, orinfrared communication is
complex or home. The number one advantage isused.
the flexibility and mobility provided by a
wireless  LAN.The primary WLAN standards include the
IEEE-802.11 series and HiperLAN. The
A wireless home and office network can easilyIEEE-802.11  (Wi-Fi)  standards  supports
be installed by connecting a wireless router
to the network. Therouter must be placed in a1 Mbps data rate and several selection of
high and central position within the home orphysical medium like: spread spectrum and
the office. Computers which are placedcloseinfrared. One of the extrafeature of this
to the router, or in the same room as thestandard is the battery conservation for
router, receive better network speed. Mostinactive or idle wireless users. Faster 54
wireless routers supportbroadband modemsMbit/s  802.11a
while others support telephone lines
connections. Each computer connected to the(5 GHz) and 802.11g (2.4 GHz) standards are
wireless LAN needto have a wireless LAN cardnow available. New criteria beyond the 802.11
installed.specifications,  such  as
It is compulsery and important to name the802.16(WiMAX), are currently being developed
wireless network and to ensure that all theand provide enhancements such as longer range
computers on the WLAN sharethe same networkand  faster  transferspeeds.
name. Despite the fact that a wireless router
contains a built in access point, one mayThe HiperLAN standard may be used to support
need touse a wireless access point if an23.5 Mbps channel rates. However, it allows
existing Ethernet home/office network isuse of only spread spectrumphysical medium
extended. You must cable your accesspoint toand is not very popular.



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