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M-Commerce

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M-Commerce

Introduction to wireless technology

Mobile wireless technology describes a wide range of telecommunications services and portable devices that send and receive data, text, voice and video. Cell phones and pagers are the most widely used mobile wireless products today, and many routine daily activities rely on the voice communications and messaging services supported by these devices. New technologies are emerging that will support wireless remote monitoring, wireless financial transactions, wireless Internet access, and wireless control of appliances and devices. Mobile wireless developments are evolving so rapidly, that it is difficult to keep up with the latest advances and to make purchasing decisions. This on-line tutorial strives to provide a brief background on the history of wireless development, a general overview of mobile wireless technologies that are available today, and some predictions for the future.

History of Wireless Technology

Marconi's radio: The origins of wireless communications date back to the 1890s with Marconi's work in radio and wireless telegraphy. Since then, advances have come through a sequence of discoveries and advancements. In 1898, Marconi produced the first commercial radio service (data only) linking a radio transmitter with a receiver over 7.5 miles away. In December of 1900, the first voice radio link was demonstrated. Radio communications were of natural interest to the shipping industry, and the government established ship to shore communications requirements in 1910. By 1918, 5700 ships had wireless telegraphy.

Advertisement for a Wireless Telegraph

(Scientific American, November 25, 1905)

Police radios to CBs: Another valuable wireless communications service was initiated when the Detroit Police institute issued the first radio dispatch in 1921, operating in 2 MHz band.

Detroit Police radio dispatch equipment in 1925

Pagers to Cell Phones: In the 1980s, the Regional Bell Operating Companies (RBOC) emerged after the breakup of the AT&T, and they began to offer low-data rate wireless text services for pagers. Cellular Digital Packet Data (CDPD) and Mobitex were data services that used a packet data network based upon cellular structure. During this period, a wave of new analog cell phones and service options became widely available and affordable.

Ericsson's first hand held mobile phone in 1987

In the 1990s, digital signal processing led wireless advances that supported more efficient used of bandwidth, new waveforms, and smaller devices that consumed less power.

Applications of Wireless Technology

Communication

Mobile wireless phones

Email, paging, messages

Information (Internet everywhere)

Education

school, health, financial

Access: news, weather, shopping, recreation

Control

Actions: open doors, elevators, lights, heat, …

Transactions: ATMs, vending, voting, shopping

Monitoring

Personal: medical devices, emergency alerts

Environmental: equipment maintenance, security

Location finding

Global Positioning System (satellite-based) GPS

Enhanced 911 (cell phone-based)

Along with this there is new and fast growing concept of M COMMERCE. It is a subset of e commerce and includes all above application in it.

Introduction to M COMMERCE

M-commerce is a subset of e-commerce that deals with electronic transactions using mobile communication equipment. It refers to electronic transactions and businesses such as financial services or shopping, the only difference with e-commerce being that the medium is wireless rather than wireline.

The increased mobility and reach of wireless transactions grants the opportunity to provide enhanced services to customers. It makes possible the concept

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