毕业论文外文翻-3G技术.doc

一：外文原文 3G TECHNOLOGY Although the technology behind 3G may seem complicated, the ways in which 3G will affect all of our lives are easy to imagine. Just imagine having a combined camera, videocamera, computer, stereo, and radio included in your mobile phone. Rich-media information and entertainment will be at your fingertips whenever you want anywhere there is a wireless network. Mobile communication is moving from simple voice to rich media, where we use more of our senses to intensify our experiences. But not all of this will happen at once. 3G is an evolution to a communications ideal that no one completely understands yet. What we do know is that mobile multimedia will hit the Japanese markets in 2001, and Europe and North America will follow soon after. 3G brings together high-speed radio access and IP-based services into one, powerful environment. The step towards IP is vital. IP is packet-based, which in simple terms, means users can be on line at all times, but without having to pay until we actually send or receive data. The connectionless nature of IP also makes access a lot faster: file downloads can take a few seconds and we can be connected to our corporate network with a single click. 3G introduces wideband radio communications, with access speeds of up to 2Mbit/s. Compared with todays mobile networks, 3G will significantly boost network capacity - so operators will be able to support more users, as well as offer more sophisticated services. 3G - At home3G is going to affect our home and social lives in many ways. The services that 3G enables will help us to manage our personal information, simplify tasks such as grocery shopping, make better use of our time and offer services that are just fun to use. Operators will be able to develop myriad new service opportunities to attract and retain new customers. Here are some examples: Youre sitting on a train and use this dead time to log on to your bank account, check your balance and pay a few bill