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5G/Massive MIMO Channel

Embracing Complexity: MIMO Over-the-Air Testing with the Reverberation Chamber

Derek Skousen, MI Technologies; Charlie Orlenius, Bluetest
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This article describes a repeatable reference environment for over-the-air (OTA) testing of multiple input multiple output (MIMO) devices and why the reverberation chamber is uniquely suited to provide insight into MIMO device performance. The importance of reference environments and the characteristics of the reverberation chamber in the context of...
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Dynamic Correlation in Virtual Drive Testing

Madhu Gurumurthy, Spirent Communications
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One of the least-understood aspects of the real-world RF environment is the effect of real-time motion on radio receivers. This becomes especially interesting in modern radio technologies, which are quickly converging on Multiple-In Multiple-Out (MIMO) antenna techniques as a means of increasing data rates without sacrificing temporal or spectral...
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The MIMO Antenna: Unseen, Unloved, Untested!

Moray Rumney, Agilent Technologies Inc.
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Multiple input/multiple output (MIMO) systems have shifted from theory through design to development and are now entering the testing and deployment phases. The MIMO articles in this issue are focused on performance testing in real world conditions, which is the validation of MIMO performance that the industry has long...
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EB Launches MIMO OTA Emulator

EB
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EB (Elektrobit) has announced what is claimed to be the industry's first commercially available Multiple-Input-Multiple-Output (MIMO) Over-the-Air (OTA) emulator to increase the performance and data rate of MIMO mobile terminals. Previously, the company delivered a custom solution for LG Electronics and now is making it commercially available for other...
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Developing Strategies for MIMO Testing

Ron Rausch and Mark Buffo, Keithley Instruments Inc., Cleveland, OH
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Increased data throughput is critical to the success of future mobile wireless services that promise reliable voice, data and video access. Although the data throughput of a communications channel can be increased by increasing the channel’s bandwidth, bandwidth is generally licensed and limited. A more practical approach lies in...


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