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蜂窝测试

是德科技公司是全球领先的测试与测量公司,可以提供全方位的设计、测试和管理解决方案。这些解决方案覆盖整个蜂窝技术领域――从传统1G系统到3G系统(例如HSPA),再到3GPP 长期演进技术(LTE)和1xEV-DO。是德的产品适用于从早期设计与开发、批量制造到网络部署和服务保障的全过程。推动蜂窝技术的创新与发展,是德为您披荆斩棘!

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Flexible Testbed for 5G Waveform Generation and Analysis 
While LTE and LTE-Advanced are still being deployed, research into next generation wireless networks is already in high gear.

文章 2015-11-13

 
5G air interfaces need channel measurements 
EDN, Oct 31, 2015 article by Sheri DeTomasi discusses characterizing the radio channel to understand how the new 5G signals will propagate and describes a system that will provide the needed insights.

文章 2015-10-31

 
5G set to dramatically impact test and measurement 
Canadian electronics, Oct 19, 2015 article by Roger Nichols discusses the challenges of testing in the investigations of the different 5G technologies.

文章 2015-10-19

 
Modular Tester Performs 5G Channel Sounding 
The 5G Channel Sounding Reference Solution test system features compact instrument modules and multiple software packages to generate and analyze complex waveforms for characterizing 5G wireless communications channels.

文章 2015-08-04

 
The key to early 5G investigation – test tools for new network paradigms 
Electronic Products and Technology, May 2015 article discusses the needs of 5G, areas of investigations and available test tools to make it happen

文章 2015-05-19

 
mmWave MIMO Channel Sounding for 5G: Technical Challenges and Prototype System 
In this paper, ww focus on how to setup mmWave MIMO channel sounding system with commercial instruments to fulfill the major technical challenges.

文章 2014-12-18

 
Simulation and Measurement-based X-parameter Models for Power Amplifiers with Envelope Tracking 
An investigation of envelope tracking power amplifiers using simulation-based and measurement-based frequency domain static XP models.

文章 2013-06-30

PDF PDF 544 KB
Incremental Redundancy in EGPRS 
Incremental redundancy is implemented in EGPRS systems to achieve maximum efficiency in over-the-air interface... WirelessDesignMagazine.com article by Paul Mercy. Feb 2005. Acrobat PDF.

文章 2013-04-02

 
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

文章 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.

文章 2012-03-28

 
Defining the 4G PHY Architecture Design Challenges 
EE Times design article (Part 1) on defining the 4G PHY architecture design challenges.

期刊 2011-12-05

 
Using SystemVue to Overcome 4G Challenges 
EE Times design article (Part 2) on using SystemVue to overcome 4G challenges.

期刊 2011-12-04

 
High-Speed Data Throughput Test 
Ensure a quality user experience by fully testing the packet data performance of your wireless device early in the design cycle. The 8960 offers the highest 2G/3G/3.5G data rates and real-world testing to find issues sooner and resolve them faster!

专访 2011-11-29

 
LTE-Advanced…Already? 
Article reprint from OSP magazine detailing the additional changes LTE-Advanced brings to the Network already working to implement 3GPP LTE.

文章 2011-09-01

PDF PDF 695 KB
Don't worry, be happy: Design, test, verification support for LTE-Advanced is here 
Link to Agilent product review in the February 2011 EETimes.

文章 2011-02-14

 
8PSK Modulation Accuracy Measurement Graphics 

专访 2010-10-12

 
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.

文章 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.

文章 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.

文章 2010-02-01

 
Using a design-to-test capability for LTE MIMO  
Article written for RF DesignLine by Keysight experts explains how system-level simulation helps engineers gain valuable insight into design sensitivities of LTE MIMO systems.

案例分析 2009-07-10

 
TD-LTE Technology And Its Measurements 

专访 2009-05-14

PDF PDF 447 KB
GPS: making a play for femtocells 
This article from Microwave Engineering Europe Jan/Feb 2009 discusses the issues that arise when integrating GPS into femtocells and outlines the test and verification requirements that this introduces.

文章 2009-04-16

 
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.

文章 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.

文章 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.

文章 2008-11-17

 

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