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你的朋友"shenjun"（shenjun.pku@gmail.com）从
抓虾网（http://www.zhuaxia.com/）给你推荐了一篇文章，内容如下：
Use of multiple antennas at both ends of wireless links is the result of the natural progression of more than four decades of evolution of adaptive antenna technology. Recent advances have demonstrated that multipleinput-multiple-output (MIMO) wireless systems can achieve impressive increases in overall system performance. The potential to provide the next major leap forward for wireless communications has led this technology to becoming the next frontier of wireless communications. As a result, it has received the attention not only of the international R&D community, but also of the wireless communications industry. This is evidenced from the international standardization efforts in the context of UMTS (e.g., 3GPP) and IEEE 802.11 (for wireless LANs) and also in the context of proposals for next generation (4G and beyond) wireless systems.
This book, MIMO System Technology for Wireless Communications, is a compilation of the work of several authors. The goal is not only to provide a complete reference source for readers interested in MIMO systems, but also to provide up-to-date information on several key issues related to the technology. For this reason, considerable effort was made to cover most of the elements of the technology and the related issues, some of which are not currently treated in the available textbooks.
