移动设备上电小型MIMO天线系统的设计方法

2014 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2014-09-22 DOI:10.1109/APWC.2014.6905550

W. Schroeder, M. Bouezzeddine, A. Krewski

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引用次数: 1

摘要

概述了移动终端MIMO天线的设计目标和设计方法。基于LTE的下行-发射分集方案和闭环空间复用(CL-SM)方案的发射模式和接收模式，推导了多端口天线的性能因数。总多端口效率和不平衡系数被确定为最相关的fom。提出了一种由设备机箱的特征模式推导出多端口天线辐射模式的系统设计方法。示例说明了这种方法的某些方面。

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Design approaches for electrically small MIMO antenna systems on mobile devices

An overview of design goals and approaches to the design of MIMO antennas for mobile terminals is presented. Figures of Merit (FOMs) for multiport antennas are derived based on consideration of transmit mode and receive mode for the Downlink - Transmit Diversity scheme and the Closed-loop Spatial Multiplexing (CL-SM) scheme of LTE. Total multiport efficiency and imbalance figure are identified as the most relevant FOMs. A systematic design approach by which the radiation modes of a multiport antenna are derived from the characteristic modes of the device's chassis are presented. Some aspects of this approach are illustrated by example.

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2014 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)

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