WIRELESS NETWORKS AND MOBILE IP
WIRELESS NETWORKS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Code-Division Multiple Access
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Carrier Division Multiple Access
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Compact Digital Multiplex Arrangement
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none of the above
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Detailed explanation-1: -CDMA (Code-Division Multiple Access) refers to any of several protocols used in second-generation (2G) and third-generation (3G) wireless communications. As the term implies, CDMA is a form of multiplexing, which allows numerous signals to occupy a single transmission channel, optimizing the use of available bandwidth.
Detailed explanation-2: -CDMA stands for “Code Division Multiple Access.” GSM stands for “Global System for Mobiles.” They are 2 radio networks used by wireless carriers.
Detailed explanation-3: -Code Division Multiple Access 2000 (CDMA2000) is a third generation (3G) standard developed by the International Telecommunication Union (ITU). This protocol uses CDMA access to send voice and data and signals between mobile phones and cell sites.
Detailed explanation-4: -CDMA uses spread spectrum technology to transmit data. This technology permits several phones to send and receive through a single channel. Each part of these separate conversations is labeled with a specific digital code. The carriers that use CDMA technology include Sprint, Verizon, Alltel, and NEXTEL.