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MIMO 測試

MIMO(多路輸入/多路輸出)是一項具有挑戰性的天線技術,可提高頻譜效率(位元/秒/Hz)、信號品質和細胞覆蓋率。MIMO 可用於多種技術,包括 LTE-Advanced、WLAN 和現在正進行密集研究的新型 5G 技術。這項複雜技術,同時也是不斷演進的標準,MIMO 變成了開發過程中的瓶頸,而且需要使用特定的量測套件。是德科技解決方案旨在提供更深入的洞察力,並隨著標準演進而推動開發。當您進行設計和測試時,是德科技解決方案讓您能在新型和現有技術上進行創新,並可協助工程師落實其概念與創意。

MIMO Test Insights

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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

專文 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.

專文 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.

專文 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.

專文 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.

專文 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.

專文 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.

專文 2010-08-18

 
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.

專文 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.

專文 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

專文 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.

專文 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.

專文 2009-04-09

 
Using Base Station and MIMO Channel Emulators for Mobile WiMAX Devices 
This article describes how a channel emulator can be used to characterize the performance of a MIMO receiver. The testing was done in stages of increasing complexity, namely testing under AWGN conditions, MIMO testing with known static channels, and finally testing with channels chosen to represent “real world” behavior.

專文 2009-01-11

PDF PDF 1.37 MB
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.

專文 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.

專文 2008-08-13

 
3GPP LTE: Introducing Single-Carrier FDMA  
This article, published in issue 4 of the Agilent Measurement Journal, describes single-carrier FDMA for 3GPP LTE.

專文 2008-01-01

PDF PDF 491 KB
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.

專文 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.

專文 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.

專文 2007-05-08

PDF PDF 524 Bytes
Addressing the new challenges of MIMO wireless LAN manufacturing test 
Article reprint from RF Design. New test equipment and techniques can keep the testing costs within the range of that for 802.11a/g systems.

專文 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.

專文 2004-09-01

PDF PDF 428 KB