城北回龙观交易市场:急问谁能给我一份winter写的通信系统的概述，问过一次了没人理！

先寒一个楼上的
楼主说的Winter不认识，到知道有个Winters是Motia的首席科学家，写过篇天线的概述，贴一下摘要吧
In this article we discuss current and future antenna technology for wireless systems and the improvement that smart and adaptive antenna arrays can provide. We describe standard cellular antennas, smart antennas using fixed beams, and adaptive antennas for base stations, as well as antenna technologies for handsets. We show the potential improvement that these antennas can provide, including range extension, multipath diversity, interference suppression, capacity increase, and data rate increase. The issues involved in incorporating these antennas into wireless systems using CDMA, GSM, and IS-136 in different environments, such as rural, suburban, and urban areas, as well as indoors, are described. Theoretical, computer simulation, experimental, and field trial results are also discussed that demonstrate the potential of this technology.
本文讨论了当前与未来无线系统的天线技术以及智能和自适应天线阵列带来的进步。我们描述了标准蜂窝单元天线，固定波束的智能天线，基站的自适应天线，以及电话的天线技术。我们展示了这些天线带来的潜在的进步，这里包括范围的扩大，多径的分集，干扰的抑制，容量的扩展，和数据率的提高。我们还描述了这些天线在CDMA，GSM，和IS-136等无线系统中，在乡村，市郊，城区，以及室内等不同环境下的使用中出现的问题。我们讨论了理论，仿真，实验室测试和实地测试的所有结果来证明这种技术的潜力。

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