Pappas 1Alex PappasMs. SinghEnglish 10428 March 2008                                         Wireless Communications      ...
Pappas 2        A global positioning system (GPS) is a navigation system that consists of one or more earth-based receiver...
Pappas 3                                               Works CitedDavies, Habika. "Text Messages, Instant Messages, and Pi...
Pappas 4
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Wireless communications paper (Ej Guevarra)

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Wireless communications paper (Ej Guevarra)

  1. 1. Pappas 1Alex PappasMs. SinghEnglish 10428 March 2008 Wireless Communications Wireless communications are everywhere. People around the world regularly send and receivemessages wirelessly, that is, transmitted through the air. Three types of wireless communicationsinclude wireless messaging services, wireless Internet access points, and global positioning systems. People use mobile phones, PDAs, and other mobile devices to access text messaging, instantmessaging, and picture messaging services (Davies 34-42). Through text messaging services, users sendand receive short text messages, which usually consist of fewer than 300 characters. Wireless instantmessaging is an Internet communications service that allows a wireless mobile device to exchangeinstant messages with one or more mobile devices or online personal computers. Users send graphics,pictures, video clips, sound files, and short text messages with picture messaging services. 1 In many public locations, people connect to the Internet through a wireless Internet access pointusing mobile computers and devices. Two types of wireless Internet access points are hot spots and 3Gnetworks. A hot spot is a wireless network that allows mobile users to check e-mail, browse the Web,and access any Internet service – as long as their computers or devices have the appropriate wirelesscapability. A 3G network, which uses cellular radio technology, enables users to connect to the Internetthrough a mobile phone or computer equipped with an appropriate PC Card. 1 Podpora and Ruiz indicate that some messaging services use the term, video messaging, torefer separately to the capability of sending video clips (79-82).
  2. 2. Pappas 2 A global positioning system (GPS) is a navigation system that consists of one or more earth-based receivers that accept and analyze signals sent by satellites in order to determine the receiver’sgeographic location, according to Shelly and Cashman (How a GPS Works). A GPS receiver is a handheld, mountable, or embedded device that contains an antenna, a radioreceiver, and a processor. Many mobile devices, such as mobile phones and PDAs, have GPS capabilitybuilt into the device. Mobile users communicate wirelessly through wireless messaging services, wireless Internetaccess points, and global positioning systems. Anyone can take advantage of wireless communicationsusing mobile computers and devices.
  3. 3. Pappas 3 Works CitedDavies, Habika. "Text Messages, Instant Messages, and Picture Messages." Computing on Todays World January 2008: 34-42.Podpora, Maxine C., and Adelbert D. Ruiz. Advances in Wireless Internet Acces Point Technology. Dalllas: Wells Publishing, 2008.Shelly, Gary B., and Thomas J. Cashman. How a GPS Works. Course Technology. 21 March 2008 <www.scsite.com/wd2007/pr2/wc.htm>.
  4. 4. Pappas 4

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