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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 for television 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, personal digital assistants (PDAs), and wireless networking. Other examples of applications of radio wireless technology include GPS units, garage door openers, wireless computer mice, keyboards and headsets, headphones, radio receivers, satellite television, broadcast television and cordless telephones. Wireless communication has been developed with different standards to meet various requirements and demands. These methods can be classified into four individual categories based on range of network and different applications. They are Personal Area Network, Local Area Network, Metropolitan Area Network and Wireless Area Network. The different wireless communication standards have been developed to facilitate the movements
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La profesora Leong Wai Yie se doctoró en Ingeniería Eléctrica por la Universidad de Queensland (UQ), Australia. Wai Yie es actualmente Presidenta de la Sección de Mujeres Ingenieras de Malasia y Presidenta de Women Engineers-AFEO(WEAFEO). Está especializada en procesamiento de señales médicas y telecomunicaciones, y ha recibido el Premio de Investigación Richard Jago.
