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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 ....

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.... signal that is digitally modulated to create a bit stream. This bit stream incorporates forward error correction, interleaving and other techniques to mitigate the 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 netwo ....