ADM 2372 Lecture Notes - Lecture 24: Global Positioning System, Local Area Network, Wimax
5 Jan 2018
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Document Summary
> a large, expensive, microwave repeater in the sky. > cost-e ective for transmitting large quantities of data. > uses the atmosphere (or outer space) as a transmission medium to send signals to a microwave receiver. > applications that use the geographic location of the device to provide location- speci c data to the mobile user. > customer"s knowledge of another"s location may lead to embarrassing situations. > location data can be used for harassment or attacks. > a constellation of 24 well-spaced satellites that orbit the. Earth and make it possible for people with ground receivers to pinpoint their geographical location. > a gis consists of hardware, software, and data that provide location information for display on a multidimensional map. > locating businesses or points of interest in a speci c area. Wireless lan (wlan) - a local area network that uses radio signals to transmit and receive data over distances of a few hundred feet.
