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MIMO テスト

MIMO(マルチ入力マルチ出力)は、複雑なアンテナテクノロジーですが、スペクトラム効率(bit/s/Hz)、信号品質を向上させ、セルカバレージを拡大します。 MIMOは、LTE-Advanced、無線LANなどの複数のテクノロジーに使用されていますが、新しい5Gテクノロジーへの対応に向けて現在詳しい調査が進められています。 複雑なテクノロジーであり、複数のテクノロジーに対応するために規格が進化し続けているため、MIMOにはさまざまな課題があり、独自の測定スイートが必要です。 キーサイトのソリューションを使用すれば、規格の進化に応じた詳細な解析が可能です。 デザイン/テストでキーサイト製品を使用すれば、新しいテクノロジーと既存のテクノロジーの両方を革新し、アイデアを現実化することができます。

MIMO Test Insights

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並べ替え
MIMO Over-The-Air Research, Development, and Testing 
International Journal of Antennas and Propagation, May 2012 article provides information on the many challenges of identifying the optimal channel models and test method(s), for MIMO

記事 2012-05-09

 
Two-Stage Over-the-Air (OTA) Test Method for LTE MIMO Device Performance Evaluation 
International Journal of Antennas and Propagation, February, 2012, article introduces a novel, flexible, and cost-effective method for measuring MIMO OTA using a two-stage approach.

記事 2012-03-28

 
Tackling MIMO Design and Test Challenges for 802.11ac WLAN 
This article from Microwave Journal shows how the system engineer can use system simulation to help understand the design performance and design requirements needed to achieve transmitter system-level metrics such as EVM.

記事 2012-03-11

 
Caution: MIMO Test Challenges Ahead 
Article published by Wireless Design & Development on MIMO testing challenges and methods to achieve higher data rates such as two0 and four-channel MIMO.

記事 2010-09-20

PDF PDF 70 KB
What every engineer needs to know about MIMO operation and measurement 
Utilizing MIMO to its fullest potential requires the engineer to have basic knowledge of its operation and measurement. This EP&T article by Agilent boils this knowledge down into 9 fundamental facts.

記事 2010-09-15

 
The MIMO Antenna: Unseen, Unloved, Untested! 
Microwave Journal (August 2010) article (.pdf) written by Agilent’s Moray Rumney. With the shift of MIMO from theory to real world this article focuses on performance testing in real world conditions.

記事 2010-08-20

PDF PDF 693 KB
Measuring MIMO In LTE Tx And Rx Tests 
Find the right combination of LTE test instruments and techniques to evaluate the performance of Long Term Evolution (LTE) components and systems under real-world conditions. A link to the MWJ article by Agilent.

記事 2010-08-18

 
基地局エミュレータとMIMOチャネル・エミュレータを使用したMobile WiMAXデバイスの性能評価 

記事 2010-04-26

PDF PDF 1.16 MB
A primer on MIMO in LTE 
An article in Electronic Products, written by Agilent’s Jan Whitacre, exploring the special employment of multiple-input, multiple-output radios to utilize spectrum in Long Term Evolution (LTE) systems.

記事 2010-02-01

 
Dual Channel MIMO Measurements for WiMAX™ Wave 2 
In WiMAX Wave 2 systems, a variety of dual-channel measurements can provide essential insight into their operation and performance. Article written by Ben Zarlingo and linked with permission from Wireless Design and Development.

記事 2009-06-26

 
Understanding the Impact of Channel Effects on MIMO System Performance  
Link to article published in the March 2009 issue of Microwave Product Digest discusses unique test and measurement challenges of implementing MIMO in a wireless system

記事 2009-04-28

 
MIMO and the Battle Between LTE and WiMAX™ 
Link to April 10, 2009 Microwave Journal executive interview with Andy Botka and Carla Feldman regarding the PXB MIMO Receiver Test and the broader issue of LTE and WiMAX development.

記事 2009-04-10

 
Test solutions soup up for 4G 
Link to April 9, 2009 Microwave Journal editorial. Test equipment manufacturers are providing more capability by relying on the latest hardware and software for feature-rich and easy to use solutions with impressive raw performance.

記事 2009-04-09

 
Expert Advice: The Importance of Average vs. Peak Performance in Cellular Wireless 
The average efficiency of the cell remains much lower than the peaks. November 2008 article by Moray Rumney linked with permission by Microwave Journal.

記事 2008-11-17

 
Analyze Antenna Approaches for LTE Wireless Systems 
Multiple-antenna techniques are a large part of improved performance in LTE wireless systems, but they must be properly understood in order to be properly tested.

記事 2008-08-13

 
3GPP LTE:SC-FDMA の概要 
この記事では、LTE が移動体通信のエコシステムに何をもたらそうとしているのかを取り上げています。

記事 2008-03-21

PDF PDF 2.86 MB
First Pass Accuracy with Momentum GX for WiMAX Design 
Archived article at Microwave Product Digest discussing the challenges for designers in meeting cost and power consumption goals, using 3D-Planar electromagnetic (EM) simulation technology.

記事 2007-11-01

 
WiMAX™: Plotting A New Path To Global Broadband Mobility 
Archived article at Canadian Electronics identifying innovations in test and measurement to support the innovations in the industry.

記事 2007-09-01

 
Validating IEEE 802.16e Designs With The Mobile WiMAX MIMO Library 
The IEEE 802.16e standard, often referred to as mobile WiMAX, specifies air interfaces for broadband wireless access (BWA) systems.

記事 2007-05-08

PDF PDF 524 Bytes
Addressing the new challenges of MIMO in wireless LAN manufacturing test 
RF Design マガジンの許可の下で、この記事を掲載しています。

記事 2006-10-01

PDF PDF 1.18 MB
WiMAX™: The Next Generation of Broadband Wireless Access 
Article reprint from Electronics in Canada. This article provides anoverview of the 802.16 standard, theWiMAX forum, and key applications.

記事 2004-09-01

PDF PDF 428 KB