Networking of Mobile

Computer Networking is the engineering discipline concerned with communication between computer systems or devices. Networking, routers, routing protocols, and networking over the public Internet have their specifications defined in documents called RFCs. Computer networking is sometimes considered a sub-discipline of telecommunications, computer science, information technology and/or computer engineering. Computer networks rely heavily upon the theoretical and practical application of these scientific and engineering disciplines.
A computer network is a system in which computers are connected to share information and resources. The connection can be done as peer to peer or client/server. This website reviews the techniques you can use to set up and possibly manage a network for home or a small business.
Users and network administrators often have different views of their networks. Often, users who share printers and some servers form a workgroup, which usually means they are in the same geographic location and are on the same LAN. A community of interest has less of a connection of being in a local area, and should be thought of as a set of arbitrarily located users who share a set of servers, and possibly also communicate via peer-to-peer technologies.
Network administrators see networks from both physical and logical perspectives. The physical perspective involves geographic locations, physical cabling, and the network elements (e.g., routers, bridges and application layer gateways that interconnect the physical media. Logical networks, called, in the TCP/IP architecture, subnets, map onto one or more physical media. For example, common practice in a campus of buildings is to make a set of LAN cables in each building appear to be a common subnet, using virtual LAN (VLAN) technology.
Both users and administrators will be aware, to varying extents, of the trust and scope characteristics of a network. Aganin using TCP/IP architectural terminology, an intranet is a community of interest under private administration usually by an enterprise, and is only accessible by authorized users (e.g. employees). Intranets do not have to be connected to the Internet, but generally have a limited connection. An extranet is an extension of an intranet that allows secure communications to users outside of the intranet (e.g. business partners, customers).

The telephone was invented by Alexander Graham Bell in 1876, and wireless communication can trace its roots to the invention of radio by Nikolai Tesla in the 1880s (formally presented in 1894 by a young Italian named Guglielma Marconi). It was only natural that these two great technologies would eventually be combined.

Networking is the practical linking of computing devices together with hardware and software that supports data communications across this devices. In the world of computers, networking is the practice of linking computing devices together for the purpose of sharing data. Networks are built with a mix of computer hardware and computer software.

3G mobile is the collection of the standard mobiles which includes GSM EDGE, UMTS, and CDMA2000 as well as DECT and WiMAX. 3G is the kind of services which allows simultaneous use of speech and data services and higher data rates (upto 14 Mbit/s on the downlink). Thus, 3G networks enable network operators to offer users a wider range of more advanced services while achieving greater network capacity through improved spectral efficiency. 3G stands for third generation --this makes analog cellular technology generation one and digital/PCS generation two.3G technology is intended for the true multimedia cell phones.

Due to the help of wireless network, information could be sent overseas or behind enemies line easily efficiently and more reliably. Since then wireless network have continued to develop. From that time to till now cellular phones are the part of huge wireless networks system. we, people, use this cellular phone to communicate with each other. Sending information overseas is possible through wireless network system using satellites and other signals to communicate across the world.
To perform any task communication is essential. And for long distance communication wireless network is easy. In world war II wireless network played a vital role to transfer much more information from one place to another. World war II became a huge war between different countries. In this worls war II people use wireless network to transfer instant massage from one place to another. Before world war II it took long time for communication.

Wireless network is a type of computer network which is wireless. It is commonly associated with the telecommunication network which interconnect between different peoples. Wireless network includes electromagnetic waves, such as radio waves. There are different types of wireless networks. Some of them here below:
Wireless PAN: A network for interconnecting devices centered around an individual person's workspace is called wireless PAN (WPAN ). In this type of network the connection type is wireless.
Wireless MAN: This is a kind of wireless network which connects several wireless lans. The full form of MAN is Metropolitan area networks.
Wireless WAN: This is also a wireless network that typically covers large outdoor areas. WAN is Wide Area Networks.

The various types of cellular Advanced technology is termed as mobile technology. It is also a advanced technology that is portable. In this modern days people have discovered new things in mobile technology in present world. Mobile IT is developing rapidly. Some of the examples of mobile IT devices are:

• Laptop Computers
• Palmtop computers
• Mobile phones and smart phones
• Global Positioning System (GPS) devices
• wireless debit/credit card payment systems

Variety of communications technology is enabled by mobile devices such as:

• Wireless fidelity (WiFi)
• Bluetooth
• 3G (third generation), GSM (global system for mobile communications and GPRS (general packet radio service
• dial up services
• virtual private networks

There are many advanced technologies in this present world but among this present mobile technology is much more advance than other. In the present world there are many technologies establishing over the world. The present world is more competitive. All the people of this present world is fighting to step on the top of the world. Mobile technology is now the great technology in this present world. The people are feeling more comfortable because of the facilities presented by the present mobile technology.
Mobile computing can improve the service you offer your customers. For example, you could use your laptop computer to give a presentation. You could then transfer PDFs of your product literature to your client's computer. Or you could connect remotely to your diary to arrange a follow-up appointment. Alternatively, you can enable customers to pay for services or goods without having to go to the till. For example, by using a wireless payment terminal diners can for their meal without leaving their table.
More powerful solutions can link you directly into the office network while working off site, for instance to access your company's database or accounting systems. For example, you could:

• set up a new customer's account
• check prices and stock availability
• place an order online

This leads to great flexibility in working- for example, enabling home working, or working while traveling. Increasingly, networking 'hot spots' are being provided in public areas that allow connection back to the office network or the internet.
There are costs involved in setting up the equipment and training required to make use of mobile devices. Mobile IT devices can expose valuable data to unauthorised people if the proper precautions are not taken to ensure that the devices, and the data they can access, are kept safe.
Mobile computing allows people to use IT without being tied to a single location. Any business with staff that work away from the office can benefit from using it.
Whether you or your employees are traveling to meetings, out on sales calls, working from a client's site or from home, mobile devices- from laptops and personal organizers to 'third generation (3G) phones and virtual private networks (VPNs) - can help you keep in touch and make the most productive use or your time.
Mobile IT devices can also change the way you do business- new technologies lead to new ways of working, and new products and services that can be offered to your customers They can bringnew business opportunities- for example the spin- off businesses surrounding the mobile phone industry.

A mobile phone is also called cell phone or hand phone which is an electronic device used for communication, text messaging or data transmission. Beside the standard voice function, mobile supports many additional services, functions and accessories. In this mordern generation without using computer now we can use mobile for internet services, gaming, MP3 players, video, photos, etc. Bluetooth, camera, infrared ray are the extra function of mobile phone.
(Cellular Telephone) The first ubiquitous wireless telephone. Originally analog, all new cellular systems are digital, which has enabled the cellphone to turn into a smart phone that has access to the Internet. Digital cellphone systems are also offered in the PCS band, which is radio spectrum that was auctioned off by the U.S. government in the mid-1990s. Introduced in the mid- 1980s, cellphone sales exploded worldwide in the 1990s. By 2008, there were more than three billion in use, and many users have become addicted (nomophobia). A cellphone is also called a "mobile phone" or "mobile", especially outside of the US. In the US, the major cellualr carriers are AT and T (formerl Cingular), Verizon Wirless (formerly Bell Atlantic Mobile), Sprint Nextel (merger of sprint and Nextel), T-Mobile, Alltel and Virgin Mobile USA. The largest cellular company in the world is UK-based Vodafone, which includes Substantial ownership in Verizon Wireless. Geographic areas are divided into a number of slightly overlapping circular "cells", Each cell contains a base station, which is identifiable by its transmitting and receiving antenna located on a tower at the top of a hill or building. The base stations connect to the landline telephone system of the country.
The multiple cells combined with low power transmitters allow the same frequencies to be reused with different conversations in different cells within the same city or locale. The primary digital cellphone technologies are TDMA, CDMA and GSM.