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Technology Essay

3289 words - 14 pages

International Journal of Next-Generation Networks (IJNGN) Vol.6, No.3, September 2014

THE FUTURE DIRECTIONS IN EVOLVING WI-FI:
TECHNOLOGIES, APPLICATIONS AND SERVICES
Sumant Ku Mohapatra, Ramya Ranjan Choudhury, Pravanjan Das
Department of Electronics & Telecommunication Engineering, Trident Academy of
Technology, Bhubaneswar, Odisha, India

ABSTRACT
New research directions will lead to fundamental changes in the design of future WiFi networks. However,
with an explosion of wireless mobile applications and services, there are still some challenges on the
spectrum crisis and high energy consumption. Wireless system designers have been facing the continuously
increasing demand for high data ...view middle of the document...

11ad or
WiGig standard.

Recent LiFi over WiFi
The new technology Light Fi (LiFi) is LED switching on/of technique which transfers data at
high speed. The speed of the on and of switching of the LED is converted in terms of data rates.
The speed is 1Gbits/sec. which is 10 times faster than WiFi.
DOI : 10.5121/ijngn.2014.6302

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International Journal of Next-Generation Networks (IJNGN) Vol.6, No.3, September 2014

Advanced Enterprise WiFi
The new wireless technologies for enterprise environments in 2014 will change the trends of
enterprise employees. The different ways will advance in coming years such as:



Adoption of 802.11ad which represents the upcoming change in the IEEE 802.11
protocol and increases the data speed into the Gigabit world.
Expansion of cloud for small and medium sized enterprises.
WiFi- based location analytics will help for different organization to improve the
customers and user WiFi experience, to increase business intelligence and to improving
the security policy.
BY using advance Hot Spot 2.0 and pass point open services.
To allow user to log in to the WiFi network by using their social credentials.

WiFi CERTIFIEDTM AC



The WiFi CERTIFIED 802.11ac can deliver data rate which is more than double of a
802.11n network.
It supports only the 5 GHz frequency, means signal has less range.
It supports multiple antennas that is MIMO(multiple input multiple output).
The important feature 802.11ac is beam forming that gets around the general 5 GHz
range problem. It States with 802.11ac the signal is propagate for broadcast directly from
the access point(AP) to a certain device and back towards the AP.

Conventional Wifi Technology

Future Beam-forming
Technology

Figure 1.802.11ac Beam-forming technique compared with past conventional Wi-Fi

This future technique shown in Figure 1 as compared to conventional WiFi.WiFi certified
equipments meets the security requirement of essential corporate networks and applications and
allows residential users to protect their networks [7].

Wi- FI CERTIFIED PasspointTM
Wi- Fi Certified PasspointTM has given the layout for foundation for latest type of Wi-Fi
experience in public locations. Online sign-up for mobile devices without SIM card is the current
passport release for this policy control.Wi- Fi Certified PasspointTM ac builds up the collaboration
of the passport, thereby attaining higher capacity of network and improving performance for
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International Journal of Next-Generation Networks (IJNGN) Vol.6, No.3, September 2014

multi-media content. The new streams of value addition for existing services of end-users is
achieved through inter carrier WiFi roaming [2].

Future WiFi speeds
From global research [1] , in 2017 (20.3Mbps) the WiFi connection speeds generated from dual
mode devices will increase 3 times to speeds in 2012(7.7Mbps). The Table-1 shows the projected
WiFi network connection speeds in Kbps by Global region and different countries. The Figure-2
and 3...

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