(Mar 22) NB-IoT: A Cellular Technology Connecting the Internet of Things
NB-IoT: A Cellular Technology Connecting the Internet of Things (Mar 22)Original air date: Mar 22/17
Manuel Blanco Solutions Planning Engineer Keysight Technologies, Inc.
While the LPWA( Low Power Wide Area) market has existed for some time, current implementations are fragmented and soft-standardized, leading to weaknesses in security and reliability, and very high operational costs due to incompatibility with existing infrastructure.
Narrowband-IoT (NB-IoT) is a new cellular Radio Access Technology defined by the 3GPP aimed to address this market and overcome these challenges, presented as an upgrade path to existing cellular networks. How does NB-IoT work and what are the test challenges?
This webcast will help engineers have insight into the motivational reasons, industry drivers and technical fundamentals of NB-IoT.
(Mar 29) Testing Microwave Backhaul Radio Systems
Testing Microwave Backhaul Radio Systems (Mar 29)Original air date: Mar 29/17
Rolland Zhang Senior Product ManagerKeysight Technologies, Inc.
Microwave radio provides the quickest and the most cost effective way to backhaul broadband radio access. In order to keep the microwave radio running at its peak performance, it is crucial to install its network elements properly, test each of them to make sure they meet design specifications before turning on the system; and site radio elements need to be tested during operation to assure network service quality.
(Apr 18) RF Fundamentals Part 4: RF and Microwave Power Measurements
RF Fundamentals Part 4: RF and Microwave Power Measurements (Apr 18)Original air date: Apr 18/17
Eric Breakenridge Aerospace/Defense/Government Solutions Manager Keysight Technologies, Inc.
Power measurements are fundamental to RF & microwave industries, but is the standalone power meter still relevant among the plethora of advanced instruments available today? During this one hour webcast, we will discuss standalone power measurement instruments, how they work, why they are important and where they fit within the RF test bench. We will describe the technologies and topologies applied to power measurements and explore how best to take advantage of the capabilities offered. Factors effecting accuracy and traceability will be presented along with detailed application examples.
(May 9) Wireless LAN Evolution
Wireless LAN Evolution (May 9)Original air date: May 9/17
Kimberly Cassacia Product Line Brand Manager Keysight Technologies, Inc.
With the demand for new usage models and more applications, dense Wi-Fi deployments and more outdoor and public access, extensive effort and work are in progress in IEEE on emerging standards, from 802.11ac to 802.11ax or from 802.11ad to 802.11ay. This webcast will discuss the evolution of WLAN technologies along with solutions addressing associated test challenges such as high order modulation, OFDMA and MIMO.
Who should attend:
Wireless system, subsystem and component design and test engineers and engineering managers interested in learning techniques for keeping up with latest standards pushing the limits of device bandwidth, adjacent channel and spurious performance, and complexity.
(Jul 12) Understanding Phase Noise and Why it Matters
Understanding Phase Noise and Why it MattersOriginal air date: July 12/17
Jim ClarkeProduct Line Brand ManagerKeysight Technologies
Why this webcast is important:
Engineers developing cutting edge radar and communications systems know that phase noise is a characteristic that can limit system performance. In radar systems, phase noise degrades the ability to process Doppler information. In digitally modulated communication systems, phase noise degrades error vector magnitude.
This webcast explains fundamental phase noise characteristics and tradeoffs including cost, switching speed and optimization of wide vs. narrow offsets in order to optimize performance. It also discusses related signal generation techniques such as frequency references, frequency converters, and frequency synthesis and their respective roles in transmitter and receiver test.
Who should attend:
Engineers developing RADAR, EW, Satellite, or digitally modulated communication system receivers and transmitters.
Millimeter-wave Challenges (On Demand)Original air date: Feb 23/17
Pete CainMillimeter-wave Solution Planner Keysight Technologies
While the frequency of “mmWave” systems can vary from 10-100 GHz, there are aspects of system design and the impact of hardware limitations that are common. A combination of high frequency and wide bandwidth require close attention to broadband noise, phase noise, linearity, frequency response and power dissipation. The use of directional antennas introduces another dimension to the problem of maintaining an effective link, since beam steering is required. This webcast discusses these issues and some solutions using a number of examples from 802.11ad and OFDM signals
RF Fundamentals Part 3 - Signal Generation, Modulation and Vector Signal Analysis
RF Fundamentals Part 3 - Signal Generation, Modulation and Vector Signal Analysis (On Demand)Original air date: Jan 18/17
Kimberly Cassacia Product Line Brand ManagerKeysight Technologies
In Part 3 of RF Fundamentals, we will focus on the challenges related to the need to generate and demodulate analog and digitally modulated signals in the RF signal chain. We’ll review CW signal generation and characteristics, including phase-noise and signal synthesis using VCOs and phase-locked-loops. You will learn about analog and digital modulation generation and measurement techniques.
IoT: LoRa® Technology Introduction and Solution Testing
IoT: LoRa® Technology Introduction and Solution Testing (On Demand)Original air date: Jan 27/17
Vivek MohanDirector of Marketing for Wireless Connectivity ProductsSemtech
Ian ReadingIndustry Segment PlannerKeysight Technologies, Inc.
Kevin Ashton coined the phrase “The Internet of Things” in 1999 when discussing applications for RFID tags. From the simple tracking and counting of RFID objects, the Internet of Things has taken off with Machine-to-Machine (M2M), Big Data and Machine Learning, enabling applications such as the smart building, smart grid and intelligent transport systems. LoRaWAN™ is a Low Power Wide Area Network (LPWAN) specification intended for wireless battery operated Things in regional, national or global networks. LoRaWAN targets key IoT requirements such as secure bi-directional communication, mobility and localization. LoRa is well accepted for its long range, excellent sensitivity, battery life, and low cost. In this webcast, we invite Semtech, the key chipset supplier and driver of LoRaWAN, to introduce their understanding of this market. Keysight, as a leading Test & Measurement company will introduce LoRa Transmitter, Receiver and power consumption test methods.
RF Fundamentals Part 2 - Spectral Analysis
RF Fundamentals Part 2 - Spectral Analysis (On Demand)Original air date: Dec 8/16
Kevin Nguyen RF & Microwave Applications EngineerKeysight Technologies
In Part 2 of RF Fundamentals, we will continue our discussion of measurement challenges associated with the RF signal chain. We will discuss swept tuned and FFT receiver techniques and optimization of spectral search techniques, including RBW, VBW and dynamic range criteria for the most accurate measurements. You will also learn about distortion and noise contributions.
Improve the Efficiency of Analyzing RF / MW Interference with RTSA
Improve the Efficiency of Analyzing RF / MW Interference with RTSA (On Demand)Original air date: Nov 29/16
Rolland Zhang Senior Product ManagerKeysight Technologies
A/D communication systems are moving to higher frequency, deploying much narrower RADAR pulses and implementing highly encrypted digital wireless systems for communication. In order to detect and troubleshoot these challenging signals, real-time signal analysis (RTSA) capability is needed for field test. We will explore RADAR, EW and interference issues utilizing the RTSA technology of Keysight’s FieldFox RF/MW analyzers.
RF Fundamentals Part 1: The RF Signal Chain and Network Analysis
RF Fundamentals Part 1: The RF Signal Chain and Network Analysis (On-Demand)Original air date: Nov 10/16
Riadh Said Platform Planning EngineerComponent Analysis Center of ExcellenceKeysight Technologies, Inc.
During this 1-hour webcast, you will learn about the RF transmit/receive signal chain*. We will review the role of network analysis in characterizing the key components of these systems, covering transmission line theory, S-parameters, Smith Charts, impedance measurements/matching and calibration and error correction. You will learn about transmit/receive and directivity paths and how to optimize dynamic range and accuracy.
*In RF/Microwave communications systems, data is transmitted using modulation, up-conversion and amplification and is detected or received through amplification, down-conversion and demodulation. We will refer to this as the RF signal chain.
Generating Wideband, Multi-Channel RADAR Signals Using High-Speed AWGs
Generating Wideband, Multi-Channel RADAR Signals Using High-Speed AWGs (On-Demand)Original air date: Nov 3/16
Thomas DipponStrategic Product PlannerKeysight Technologies, Inc.
This presentation was developed to give an overview of why you should consider using a high-speed arbitrary waveform generator (AWG) not just for I/Q baseband generation, but for direct RF signal generation – in particular, for pulsed RADAR applications. After looking at the basic high-speed AWG architecture, you’ll understand the capabilities and limitations of using an AWG relative to a traditional signal generator. Finally, we’ll look at a number of example measurements that will show some of the unique benefits of using an AWG in this application.
Unlocking Insights with Improved Sensitivity and Noise Measurements
Unlocking Insights with Improved Sensitivity and Noise Measurements (On Demand)Original air date: Jan 13/16
Cherisa KmetoviczProduct Marketing EngineerKeysight Technologies, Inc.
Why this Webcast is Important:
Noise is a characteristic of all electronic circuits, and is a fundamental parameter to be considered in transmitter and receiver component design, as it typically limits the overall performance of any wireless system. Because signal analyzers are high-performance broadband receivers, their ability to measure very low amplitude signals while maintaining high accuracy and fast sweep speed is impacted by internal noise. Along with traditional methods for optimizing instrument sensitivity, modern signal and spectrum analyzers include automatic noise cancellation and advanced processing to further improve the displayed average noise level (DANL) of the instrument
During this webcast, we will discuss techniques and show measurement comparisons for improving signal analyzer noise floor using traditional methods as well as modern methods such as Noise Floor Extension (NFE) and utilization of smart preamplifiers. We will also describe techniques for optimizing dynamic range and measurement speed during low-amplitude spurious and harmonics testing. Lastly, we will discuss one-button noise figure measurements, including the use of smart noise sources, and one-button phase noise measurements, where, in both cases, measurement accuracy is greatly improved using modern noise cancellation techniques.
Meeting Measurement Challenges of Agile Complex Wireless Signals
Meeting Measurement Challenges of Agile Complex Wireless Signals (On Demand)Original air date: Jun 29/16
Scott LeithemApplication Development Engineer
Keysight Technologies, Inc.
Why this Webcast is Important:
The design process of wireless systems, subsystems and components necessitates a comprehensive test strategy that includes both optimization and validation. The most productive approach that is cost efficient and will minimize the time-to-market must combine quick and easy standard-compliance tests with more thorough analysis and troubleshooting. With the latest standards pushing the limits of device bandwidth, adjacent channel and spurious performance, and complexity, choosing the right test instruments has become essential for the current project as well as future ones.
During this webcast, we will outline some of the challenges that wireless device and system designers face, and how this affects the signal analyzer used to test these devices. Techniques to test the limits of a device will be discussed, including how to optimize the analyzer for harmonics, intermodulation, spectrum emissions mask, spurious and adjacent channel measurements. Additionally, we will show some advanced tools for troubleshooting and design optimization. Finally, throughout the webcast, we will use modern enhancements and techniques to demonstrate that a mid-range analyzer can be used for high performance wireless applications.
Simplifying LTE-A eNB Measurements
Simplifying LTE-A eNB Measurements (On Demand)Original air date: Jul 26/16
Sonali SarpotdarBusiness Development EngineerKeysight Technologies, Inc.
Why this Webcast is Important:
LTE-Advanced is an emerging standard that promises to deliver true 4G speeds and support bigger wireless data payloads. In order to do so, a number of new technologies like Carrier Aggregation (CA) and higher-order MIMO are utilized. These introduce new challenges to test the e-nodeB as new test conditions have been added to the standard to accommodate the new technologies. The one that is perhaps the most challenging is Carrier Aggregation—the mechanism by which the standard is able to achieve the wider transmission bandwidths needed to meet higher data rates.
During this webcast, we will look in detail at new configurations used to simplify testing of base stations with carrier aggregation. We will also examine the ACLR & SEM measurements which have been modified to reflect the changes brought in by carrier aggregation.
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