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White Papers

Strategies for Signals Intelligence from Antennas to Analysis

January 16, 2012
Signals intelligence describes a broad range of applications ranging from communications jamming to identification of interference or pirating signals. While this paper discusses many of the specific needs for each application, it primarily focuses on the techniques required to analyze intermittent or "bursty" RF signals.

Calibration Basics and Best Practices

January 16, 2012
Individuals who view calibration as a necessary evil are not taking into account the bigger picture. Calibration is essential to improving a company's bottom line, by minimizing risk to product defects and recalls, and enhancing a reputation for consistent quality.

An ideal RF Power Technology for ISM, Broadcast and Commercial Aerospace Applications

January 16, 2012
This paper will include device and design considerations that specifically target enhancing ruggedness performance. The features of the products using this platform will also be presented.

The Quest for a Rugged Transistor

January 13, 2012
Post webinar white paper for attendees

Noise Figure Measurement without a Noise Source on a Vector Network Analyzer

January 13, 2012
This application note describes the noise figure measurement using the R&S Vector Network Analyzers of the ZVA and ZVT series. It explains the concept of measuring noise figure without the need for a characterized noise source. Furthermore, it discusses different measurement applications and the respective setup and implications. Some examples guide through the instrument setups and show measurement results as well.

The Effective Number of Bits (ENOB) of my R&S Digital Oscilloscope

January 13, 2012
The effective number of bits (ENOB) is a way of quantifying the quality of an analog to digital conversion. A higher ENOB means that voltage levels recorded in an analog to digital conversion are more accurate. In an oscilloscope the ENOB is not just determined by the quality of the analog to digital converter but by the instrument as a whole. This application note explains how to measure the oscilloscope ENOB and shows results for the R&SâRTO for different settings.

TETRA Measurements

January 13, 2012
TETRA, the TErrestrial Trunked RAdio, is the professional mobile radio standard (PMR) used world wide by governmental safety and security authorities and organizations, as well as by private utilities from energy suppliers through to transport. Rohde & Schwarz provide test instruments idealy suited for both the development and production of TETRA base stations and user equipment, as well as for network planning, network coverage and quality of service, network monitoring and optimization, maintenance, and service. This Application Note shows examples for measurements with R&S instruments covering the entire range of TETRA test requirements.

Indoor Channel Measurement and Prediction for 802.11n System

January 13, 2012
Significant improvements in the quality and reliability of indoor WLAN communications are claimed for devices with MIMO technology applying 802.11n standards, which allow users to achieve a theoretical data rate up to 300-600 Mbps on a single transmission. This paper presents an analysis of a commercial 802.11n MIMO 2×3 dual band (2.4 and 5 GHz) system focusing on the operational throughput performance over an indoor environment for Line of Sight (LOS) and Non Line of Sight (NLOS) scenarios. Combined field strength distribution, throughput, and propagation-channel environments are examined, comparing physical measurements with simulation results generated in Remcom’s Wireless InSite.

Wireless InSite 2.6 - New Capabilities Overview

January 13, 2012
We have a presentation available on our website that highlights Wireless InSite’s new capabilities. This short slideshow provides a more detailed look at the features the new release has to offer.

Channel Sounding in White Space Spectrum

January 13, 2012
The aim of channel sounding is to characterize a radio channel by decomposing the radio propagation path into its individual multipath components. This application note provided by Neul describes how channel sounding can be performed using the R&S SMBV100A Vector Signal Generator and the R&S FSL Spectrum Analyzer. To illustrate the procedure reference is made to 8 MHz wide white space channels in the UK.

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