This is the future promised by "wireless power", a means of broadcasting electricity through the air to laptops, iPods and other gadgets without the need for cables and sockets.

这是“无线输电”对未来的承诺，一种无需电线和插座就可在空气中传播电流到笔记本、iPods及其他电器的方式。

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Broadcasting is one of the most basic means of communication in wireless sensor networks, and its purpose is to send information from the source node sends to the rest node of network.

广播是无线传感器网络最基础的通信方式之一，它的目的是将信息从网络中的源节点发送给网络中其余的每一个节点。

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Cooperation with hierarchical modulation can employ broadcasting characteristics of wireless channel and location advantage of relay node to confront fading.

基于分级调制的中继协作技术可以很好地利用无线信道的广播特性和中继节点的位置优势来对抗信道衰落。

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Meanwhile, Sweden is soaking up body heat from public places to help heat buildings, China unveiled plans for a futuristic eco city, and several offices in Minnesota flipped on a set of souped-up ceiling lights capable of broadcasting wireless internet.

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In this instance, these bands have been reserved for digital terrestrial TV broadcasting and wireless microphones.

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CNN.com turned to Bob Schukai, the vice president of wireless and broadband technologies for Turner Broadcasting System -- of which CNN is a division -- for some advice.

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