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Mobile / Wireless / Cellular Service
Wireless communication is the transfer of information between two or more points that are not connected by an electrical conductor.
The most common wireless technologies use radio. With radio waves distances can be short, such as a few meters fortelevision or as far as thousands or even millions of kilometers for deep-space radio communications. It encompasses various types of fixed, mobile, and portable applications, including two-way radios, cellular telephones, personal digital assistants (PDAs), and wireless networking. Other examples of applications of radio wireless technology include GPSunits, garage door openers, wireless computer mice, keyboards and headsets, headphones, radio receivers, satellite television, broadcast television and cordless telephones.
Somewhat less common methods of achieving wireless communications include the use of other electromagneticwireless technologies, such as light, magnetic, or electric fields or the use of sound.
The term wireless has been used twice in communications history, with slightly different meaning. It was initially used from about 1890 for the first radio transmitting and receiving technology, as in wireless telegraphy, until the new wordradio replaced it around 1920. The term was revived in the 1980s and 1990s mainly to distinguish digital devices that communicate without wires, such as the examples listed in the previous paragraph, from those that require wires. This is its primary usage today.
LTE, LTE-Advanced, Wi-Fi, Bluetooth are some of the most common modern wireless technologies.
A mobile phone is a telephone that can make and receive calls over a radio frequency carrier while the user is moving within a telephone service area. The radio frequency link establishes a connection to the switching systems of a mobile phone operator, which provides access to the public switched telephone network (PSTN). Most modern mobile telephone services use a cellular network architecture, and therefore mobile telephones are often also called cellular telephones or cell phones. In addition totelephony, modern mobile phones support a variety of other services, such as text messaging, MMS, email, Internet access, short-range wireless communications (infrared, Bluetooth), business applications, gaming, and photography. Mobile phones which offer these and more general computing capabilities are referred to as smartphones.
The first handheld mobile phone was demonstrated by John F. Mitchell[1][2] and Martin Cooper of Motorola in 1973, using a handset weighing c. 4.4 lbs (2 kg).[3] In 1983, the DynaTAC 8000x was the first commercially available handheld mobile phone. From 1983 to 2014, worldwide mobile phone subscriptions grew to over seven billion, penetrating 100% of the global population and reaching the bottom of the economic pyramid.[4] In 2014, the top mobile phone manufacturers were Samsung, Nokia, Apple, and LG.[5]
Lafayette
Lafayette (/ˌlæfiˈjɛt/; French: [lafajɛt]) is a city located along the Vermilion River in southwestern Louisiana. The city of Lafayette is the fourth-largest in the state, with a population of 127,657 according to 2015 U.S. Census estimates.[2] It is the principal city of the Lafayette, Louisiana Metropolitan Statistical Area, with a 2015 estimated population of 490,488. The larger trade area or Combined Statistical Area of Lafayette-Opelousas-Morgan City CSA was 627,146 in 2015.[2] Lafayette is the parish seat of Lafayette Parish, Louisiana.[3] Its nickname is The Hub City.
The American city was founded as Vermilionville in 1821 by Jean Mouton, a French-speaking man of Acadian descent. In 1884, it was renamed for General Lafayette, who fought with and significantly aided the American Army during the American Revolutionary War.[4] The city’s economy was primarily based on agriculture until the 1940s, when the petroleum and natural gas industries became dominant.
Lafayette is considered the center of Acadiana, the area of Cajun and Creole culture in Louisiana and the United States. It developed following the relocation of Acadians after their expulsion by the British from eastern Canada in the late 18th century following France’s defeat in the Seven Years’ War. There is also a strong Louisiana Creole influence in the area.[5]