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Protocols And Interfaces - Papers

Protocols And Interfaces

are related topics, and are a key consideration when evaluating wireless networks.
Protocols
In many cases, the mobile computer functions as a remote node of the network you are accessing -- the Internet or a corporate intranet. If the wireless network uses the same networking protocols as the fixed-end network, connections are more streamlined, and routers can interconnect the wireless network to the fixed-end network. Otherwise, some form of gateway will be required to translate between different network protocols. For circuit-switched connections this is less of a concern because the wireless connection is essentially a Layer 1 (physical) connection, much like an existing landline ...

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effects of interference and weak signals that can produce high-bit-error rates.

Link layer Usually a specialized radio protocol that employs a form of medium access optimized for the radio environment. Most link protocols involve interactions between the wireless modem and a base station, and mobile units do not communicate directly with each other.

Network layer Some wireless WANs, such as RAM Mobile Data and ARDIS, use network-layer protocols designed specifically for that network, however the trend is toward using IP. This is the case with CDPD, as well as the packet services being developed for PCS networks (GSM, CDMA, TDMA).

Transport and higher layers These layers usually are not part of the wireless network, but implemented as part of the application solution. Some transports have been designed specifically for wireless networks. But it is also possible to use tried and proven transports such as TCP, though some optimization of TCP's timing parameters and ...

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Protocols And Interfaces. (2007, September 4). Retrieved April 19, 2024, from http://www.essayworld.com/essays/Protocols-And-Interfaces/70659

"Protocols And Interfaces." Essayworld.com. Essayworld.com, 4 Sep. 2007. Web. 19 Apr. 2024. <http://www.essayworld.com/essays/Protocols-And-Interfaces/70659>

"Protocols And Interfaces." Essayworld.com. September 4, 2007. Accessed April 19, 2024. http://www.essayworld.com/essays/Protocols-And-Interfaces/70659.

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PAPER DETAILS

Added: 9/4/2007 03:18:53 PM
Category: Computers
Type: Premium Paper
Words: 604
Pages: 3

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