Contents promoted all the time using ‘theoretical’ speeds






Introduction. 2
802.11 for WiFi 2
IrDa for Infrared. 2
802.16 for WiMax. 2
SMS protocols. 2
Conclusion. 3
Bibliography. 3


P3 identify
the protocols used by mobile communication devices, giving examples of their

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I will be
speaking about the protocols which are used by mobile device and I will be
speaking about their uses. The protocols that I will be talking about are
801.11 for wifi, IrDa for Infrared, 802.16 for WiMax and SMS protocols


For Wi-Fi

WiFi is promoted all the time using ‘theoretical’ speeds and by this
standard 802.11ac is
capable of 1300 megabits per second (Mbps) which is the equal of 162.5
megabytes per second (MBps). This is 3x faster than the usual 450Mbps speed official
to 802.11n

Wi-Fi was first developed in 1997
by the IEEE. IEEE developed a standard and named it 802.11 Wi-Fi. All the communication
we do over Wi-Fi on any device works on radio waves. Wi-Fi can run at 2 GHz and
5 GHz speed. The bigger the frequency is the faster the speed of the internet
is but the range will be less as your using lot of power.

802.11 is a media access and physical layer for applying wireless local area
network. In 1999 2 protocols were released 802.11a and 802.11b. Both of them
offered high data rates. 802.11b was considered the first mainstream wireless
networking protocol in late 1990s.

Wi-Fi can
useful for sending text messages to your friends using social which requires
Wi-Fi connection. You can even use maps to navigate and help you find your
destination. You can browse website from anywhere as long as you have the Wi-Fi


for Infrared


IrDA stand for Infrared Data Association (IrDA) this is an interest group which was founded approximately by
50 companies. IrDA provides terms for a complete set of protocols for wireless
infrared communications.

The common reason for using IrDA had been wireless data
transfer over the “last one meter” using point-and-shoot principles. For
example TV remotes communicates to TV wireless which uses near- infrared in
order to transmit data.

Infrared enhances mobility via easy wireless
connection. This is good as you don’t need connection cables and use your
device anywhere inside the range. Low cost as its wireless and no electricity
bill will be asked for it.

802.16 for WiMax


WiMAX stands for Worldwide Interoperability for Microwave Access. The name of WIMAX was
create by WIMAX forum which was made in June 2001 to sponsor conformity and
interoperability of the standard. WIMAX is a domestic of wireless communication standards
based on the IEEE 802.16 set of standards, which provide multiple
physical layer and Media Access Control options.

WiMAX can offer Internet access at-home or mobile and across whole
cities or countries. WIMAX provides data, telecommunications
and IPTV services. Providing Internet connectivity as part of
a business continuity plan. Smart grids and metering.

WiMAX can’t send 70 Mbit/s over 50 km. Like
all wireless technologies, WiMAX can function at higher bitrates or over longer
distances but not both. Operating at the maximum range of 50 km
increases bit error rate which results in a much lower bitrate. You
can browse website faster. This is because it provides higher speed for the
users. It is cheaper than wired broadband devices.



SMS stands for Short Message
Service. It is a text messaging services. This is used for communication between cell phones, or from a PC or handheld to a cell phone even if
you are not talking on your phone, your phone is constantly sending and
receiving information. It uses standardized communication protocols to
enable mobile devices to exchange short text messages.

You are allowed to send a message which is up to 160
characters to another device. If the message is long it will automatically be
split up into several parts. Most cell phones support this type of text
messaging. You will also need credit in your sim card to send a message but it
will be free to receive a message.

This is useful as you can get reminder of your
appointments, parcel delivering timing for example if you ordered anything from
the cloth store they will send you reminders of when it will come to your house

The SMS function was added to mobiles in the early
1980s. The SMS concept was developed in Franco-German GSM cooperation in 1984
by Friedhelm Hillebrand and Bernard Ghillebaert.





I have
talked about the protocols which are used by mobile device and I will be
speaking about their uses. The protocols that I will be talking about are
801.11 for wifi, IrDa for Infrared, 802.16 for WiMax and SMS protocols



Provide a full detail of the all the
resources used in the report these include the information text and images.