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WIMAX THE FUTURE OF WIRELESS COMMUNICATION

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ABSTRACT

The new era of communication, currently
employed in some parts of the world, is
Worldwide Interoperability for Microwave
Access (WIMAX). It is the latest technology
which is approved by IEEE 802.16 group, which
is a standard for point-to-multipoint wireless
networking. Wimax vision is to deliver “last
mile” broadband connectivity to home or
business locations, also its data rates are
comparable with Cable and Digital Subscriber
line (DSL) rates. It has the capability which
connects to the ISP (Internet Service Provider)
even when you are roaming outside home or
office. The Wimax technology is becoming the
way to avert the impending crisis of rural
connectivity i.e. it will be accessible till the last
mile. This paper explains about the purpose of
Wimax, the study of Wimax systems, its
implications and applications and its wireless
capabilities.

KEYWORDS
1. INTRODUCTION -
WIMAX”

Imagine a technology that can reach even into
the remote areas or the suburbs where the access
to power plants is even difficult. This innovation
technology will provide transfer rates of multiple
Megabits to the users within a range of several
kilometers. As we know the demand for wireless
has raised rapidly from 5.7 million in 2002 to
200 million in 2006. The global Wimax market
is growing at the rate of 30% per year and is
expected to touch $2.8 billion by 2009 from the
present $ 600 million. The number of Wimax
users is forecasted to each 14.9 million in 2009.
Wimax based solutions are more flexible and
secured. They provide an outstanding service and
are very much cost effective. Topologies of
urban and suburban areas can be controlled by
this technology. Wimax technology is 30 times
faster than the third generation and 100 times
faster than the wireless data rates.[1]
In the context of this paper Wimax is a name
given to the IEE 802.16 standard, which was
developed to standardize the “last mile” wireless
distribution technology. It has several working
groups like 802.11a, 802.11d and 802.11e. This
technology will provide fixed, nomadic, portable
and mobile wireless broadband connectivity
without the need for a direct line - of - sight.
Wimax promises wireless broadband access at
31 miles in comparison to Wi Fi’s 300 feet.
The two main application of Wimax are Fixed
Wimax, which are point to multipoint enabling
broadband access to homes and offices, and
Mobile Wimax, which offers the full mobility of
cellular networks at true speeds. Also the
emergence of next generation wireless
technology is going to enhance the effectiveness
of the existing methods used by public safety.
Wimax has the potential or capability to provide
India with widespread and unimaginable Internet
access that can usher in economic growth. Better
education and health care, and improved
entertainment services. Wimax can provide
Internet access to residential customers in
suburban and “really” rural areas - the window
to a whole new world that the now - obsolete
cabled broadband could not offer. Everybody
who appreciates freedom from the shackles of
cables would love Wimax and what more when
the new wireless connection offers convenient
communication, cheap phone calls, fast
downloads and smooth video streaming.[1,2]

BACKGROUND

The demand for wireless in increasing day by
day. Presently, the networks are only available in
commercial buildings, homes etc. But people
want wireless internet access wherever they go
like shopping malls, airport, roaming around the
city etc. They want to have all the facilities that a
cable broadband provides like surfing the web,
downloading files, video conferencing etc. with
higher data rates. In the context Wimax is
positioned as an excellent option. Moreover, the
possibility of offering broadband services in
combination with voice services will gradually
lead to narrow band WLL substitution.