Mobility Applications

Some of the applications of mobility devices are listed below:

1. Vehicles.

2. Emergencies.

3. Business.

4. Replacement of wired networks.

5. Infotainment of more.

6. Location dependent services such as :

* Follow on services.

* Location aware services.

* Privacy.

* Information services.

7. Mobile and wireless devices such as:

* Sensors.

* Embedded controllers.

* Pagers.

* Cell phones.

* Personal digital assistant (PDA)

* Pocket computer.

* Note book/Laptop/Tablet PC.

1. Vehicles

The cars of future would comprise of many wireless communication systems such as:

1) DAB (Digital Audio Broad casting): with 1.5 megabits per second (MbPS) to receive music, news, road conditions, weather reports and other information.

2) UMTS (Universal mobile telecommunication system): With 384 Kbps to offer voice and data connectivity.

3) GPS (Global Positioning Systems): To determine the current position of a car. Information can also be exchanged between the vehicles in the same area and other offices such as police station, hospital etc, that constitute a local adhoc network (wireless lan). The information exchanged can include reporting about an accident to a nearby police station or a hospital or fire station present in that area etc.

2. Emergencies

In case of emergencies, an ambulance with a wireless adhoc network can communicate with the hospital about the condition of the injured persons and get information about the necessary first aid service to be provided to them.

Wireless network would be the only means of communication during natural disasters such as flood, earthquakes, etc.

3.  Business

A travelling sales person would be working for an MNC would have to report the current status of the business he has achieved throughout his journey so that the company can update its data base with the most recent information.

In such a case, the sales executive throughout this journey, till he reaches his office should be connected to his office. He can carry a laptop through which he can communicate using WLAN or DSL (Digital subscriber loop) while he is at a restaurant or house.

Once he is out of the restaurant, he would require an enhanced version of GSM (group speciate. Mobile or global system for mobile communication).

   While he is traveling by fast electric trains, he can use UMTS or DECT (Digital enhanced cordless telecommunication) etc. But with these technologies he cannot achieve high data transfer rates.

So at much gas station, (Petrol Bunk) we can provide hot spots with WLAN facility to offer high data transfer rates.

4.  Replacement of wired networks

Wiring remove sensors for weather forecast, earthquake detection or to provide environmental information is highly impossible. Rather, wireless connections through a satellite would be the better option.

Wireless connections are also required in historical buildings because wiring would destroy walls, floods etc of the building.

5.  Infotainment and more

Wireless networks can be used in entertainment and games to mobile the players of different places to play together.

6.  Location dependent services

It is important for an application to know something about location or the user might like to know about it for few reasons. The different services that depend on location are.

*     Follow on services:

Call forwarding services could be used when a person is away from his location, to another member.

*     Location aware services:

When a person is away from his place and currently ways in a hotel, if he urgently wants to print a document on his laptop, he can find out about the availability of a printer at the hotel. This kind of services provided by a hotel for a fixed charge can be considered as location aware services.

*     Privacy:

Sometimes, it would be necessary to exclude certain services while requiring only few services as certain places and or times. For e.g. you might not want calls to disturb you during sleep while requiring the emails forwarded to you.

*     Information service:

 It would be necessary for a person who is new to a particular place to know about something. He can do that using information services. For Example, He would like to know how far the metro railway station is. Etc.

7.  Mobile and Wireless Devices

There are a number of mobile and wireless devices such as:

*     Sensors:

It is a simple wireless device in transmit the state information.

*     Embedded controllers:

Many electronic devices such as keyboards, washing machines etc. would contains controllers using which they can be configured according to user specific needs.

*     Pagers:

Pagers are simple wireless devices used to receive short plan text messages.

*     Cell phones:

Earlier, we had simple cell phones with black and white display that would send or receive short voice messages. Today they are slightly migrating towards PDA. Now they are available with color graphic display, polyphonic tones, touch screens browsers etc.

*     Personal Digital Assistant (PDA):

They accompany a user and offer simple version of office software such as calendar, notepad, mail etc.

The input device to a PDA is typically a pen with built in character recognition that translates the hand writing into characters.

*     Pocket Computer:

The steps toward fully mobile and portable computers are packet computers offering thin keypads, color displays and simple versions of application software such as text editors, spread sheets etc.

*     Notebook/Laptop/Tablet PC

A laptop can offer the same services as that of a desktop computer. The only difference between them would be size, weight, and the ability to run on a battery.

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