Wireless J2ME™ Platform Programming

Background, Terminology, and Concepts

The terms wireless Web and wireless Internet refer to an environment in which wireless devices can access the World Wide Web and the Internet. These terms are somewhat abstract in that they don't convey information about the architecture or physical nature of the medium. The wireless Internet, like the Internet, is an internetwork, an interconnection of networks. Unlike the Internet, however, it's an internetwork of both wireless and fixed networks.

Wireless networks are connected to fixed networks—and to the Internet—through a wireless Internet gateway (WIG), a gateway consisting of hardware and software that join a carrier's wireless network to its own fixed intranet. Wireless Internet gateways usually ...