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  • Simplify field testing of remote radio heads

    In combination with the R&S®FSH handheld spectrum analyzer, the R&S®EX-IQ-Box digital signal interface module significantly simplifies RRH installation and inspection in distributed network architectures.

  • Fast Scalar Network Analysis Using a Signal Generator and a Power Meter

    This document presents a simple procedure for network analysis that is more cost-effective than the use of scalar network analyzers. It allows the accurate measurement of the transmission characteristics of filters, amplifiers and frequency converters over a large frequency and dynamic range. In order to reach very high measurement speeds, Rohde & Schwarz signal generators are operated in 'List Mode', and Rohde & Schwarz power meters are operated in 'Buffered Mode.' The required programming for the signal gene­rator and the power meter is illustrated by excerpts from a Visual Basic program which is available, free of charge, upon request.

  • Testing Power Amplifiers for 3G Base Stations

    This application note describes essential test setups and test procedures for 3GPP power amplifiers especially for production lines.

  • CPRI RE Testing

    More and more mobile radio networks implement remote radio equipment (RE) that is connected to the base station main unit via a digital interface using standardized transmission protocols such as CPRI. For testing RE devices Rohde & Schwarz offers a complete test solution based on the R&S®EX-IQ-BOX [Model K04]. This key component is a configurable digital interface module that is used to connect Rohde & Schwarz test equipment to a RE under test using CPRI data transmission.This application note explains in detail the instrument setup and configuration needed to successfully test your remote radio head.

  • Guidelines for MIMO Test Setups – Part 2

    Multiple antenna systems, known as MIMO systems, form an essential part of today’s wireless communications standards. The multi-antenna technology efficiently boosts the data throughput without requiring additional bandwidth or transmit power and has thus become a key technology. Rohde & Schwarz offers compact and versatile MIMO test solutions with realtime fading including simulation of channel correlations.This application note explains how to set up Rohde & Schwarz signal generators for 2x2, 4x2 and 2x4 MIMO tests with a focus on signal routing, synchronization of the generators, and leveling.Please note that there is a successor application note available: 1GP97. It explains how to use the R&S®SMW200A vector signal generator for testing higher order MIMO systems such as 3x3 and 4x4.

  • Higher Order MIMO Testing with the R&S®SMW200A Vector Signal Generator

    Due to its outstanding performance the R&S®SMW200A vector signal generator is ideal for testing MIMO receivers in a vast variety of applications offering maximum usability at minimum form factor. It can generate up to eight antenna signals simultaneously in its digital baseband – all standard-compliant and with antenna-specific coding. In addition, it can simulate the complete MIMO transmission channel with up to 32 fading channels, sufficient to emulate higher-order MIMO configurations such as 3x3, 4x4, and 8x4.This application note explains how to use the SMW for testing higher order MIMO systems by presenting different key applications.

  • HSUPA RF Measurements with the R&S®CMW500 in line with 3GPP TS 34.121

    Most of the tests specified in the 3GPP standard TS 34.121 [1] Release 6 (Rel-6) can be performed with the R&S®CMW500. This document provides a step-by-step guide on how to use a stand-alone R&S®CMW500 to take Rel-6 measurements on transmitter characteristics and execute performance tests according to TS 34.121 V9.7.0, clauses 5 and 10. Test cases that require fading simulation can also be carried out with the aid of a standalone R&S®CMW500 that has been configured with a built-in fading simulator option. That greatly reduces test setup complexity. Furthermore, the R&S®CMW500's wizard enables easy configuration of the test setup for various HSUPA subtests as specified by TS34.121 [1]. The procedure detailing how the wizard is used is also explained for each test case. The test cases mentioned in this application note are carried out using Rel-6 user equipment (UE) that supports Operating Band I and Power Class 3.

  • Simplify your envelope tracking system

    The R&S®SMW200A vector signal generator combined with the R&S®FSW signal and spectrum analyzer offers fast and simple power amplifier testing including envelope tracking and digital predistortion, effectively replacing complex test setups.

  • R&S®SMW200A - Test Case Wizard for Base Station Conformance Tests

    Application Video

  • W-CDMA Base Station Transmitter Tests According to TS25.141 Rel. 10

    3GPP TS25.141 defines conformance tests for W-CDMA base stations (including HSPA+ features). This application note describes how transmitter (Tx) tests (TS25.141 Chapter 6) can be performed quickly and easily by using signal and spectrum analyzers from Rohde & Schwarz. A few tests additionally require vector signal generators from Rohde & Schwarz. Example illustrates manual operation. A free software program enables and demonstrates remote operation. The W-CDMA base station receiver (Rx) tests (TS25.141 Chapter 7) are described in Application Note 1MA114.

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