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N7624B/N7625B Signal Studio for LTE/LTE-Advanced/LTE-Advanced Pro FDD/TDD

Technical Overviews

Technical Overview

- Create Keysight validated and performance optimized reference signals in compliance with 3GPP LTE, LTE-Advanced, and LTE-Advanced Pro (with NB-IoT/eMTC) specifications

- Use predefined setups for E-UTRA test models (E-TM) and fixed reference channels (FRC)

- Perform closed loop HARQ and timing adjustment testing with real-time signal generation

- ARB based multi-UE simulation for eNB capacity testing

- Perform multi-carrier, multi-format tests with multi-standard radio (MSR) signal generation

- Accelerate the signal creation process with a user interface based on parameterized and graphical signal configuration and tree-style navigation

Simplify LTE, LTE-Advanced, and LTE-Advanced Pro Signal Creation

Keysight Technologies, Inc. Signal Studio software is a flexible suite of signal-creation tools that will reduce the time you spend on signal simulation. Signal Studio’s performance-optimized reference signals — validated by Keysight — enhance the characterization and verification of your devices.

Through its application-specific user-interface you’ll create standards-based and custom test signals for component, transmitter, and receiver test.

Component and transmitter test

Signal Studio’s basic capabilities use waveform playback mode to create and customize waveform files needed to test components and transmitters.

Its user-friendly interface lets you configure signal parameters, calculate the resulting waveforms and download files for playback. The applications for these partially-coded, statistically correct signals include:

- Parametric test of components, such as amplifiers and filters

- Performance characterization and verification of RF sub-systems

Receiver test

Signal Studio’s advanced capabilities enable you to create fully channel-coded signals for receiver bit-error-rate (BER), block-error-rate (BLER), packet-error-rate (PER), or frame error rate (FER) analysis. Applications include:

- Performance verification and functional test of receivers, during RF/baseband integration and system verification

- Coding verification of baseband subsystems, including FPGAs, ASICs, and DSPs

More advanced capabilities operate in real-time mode, which is used to define the parameters of nonrepeating and dynamically changing signals needed for receiver testing. Its graphical interface provides a direct instrument connection for parameter transfer and closed-loop or interactive control during signal generation.

Apply your signals in real-world testing

Once you have setup your signals in Signal Studio, you can download them to a variety of Keysight instruments. Signal Studio software complements these platforms by providing a cost-effective way to tailor them to your test needs in design, development and production test.

- Vector signal generators

- MXG X-Series

- EXG X-Series

- ESG

- First-generation MXG

- M9381A PXIe VSG

- EXT wireless communication test set

- PXB baseband generator and channel emulator

- M9420A/M9421A VXT PXIe vector transceiver

- M8190A Wideband AWG

- SystemVue simulation software

Component and Transmitter Test

Signal Studio’s basic capabilities enable you to create and customize LTE, LTE-Advanced and LTE-Advanced Pro waveforms to characterize the power and modulation performance of your components and transmitters.

Easy manipulation of a variety of signal parameters, including transmission bandwidth, cyclic prefix, and modulation type, simplifies signal creation.

- Create spectrally-correct signals for ACLR, channel power, spectral mask, and spurious testing

- Set parameters such as channel power and data channel modulation type (BPSK, QPSK, 16QAM, 64QAM, 256QAM) for modulation verification and analysis, such as EVM tests

- Create NB-IoT (Cat-NB1) or eMTC (Cat-M1) uplink/downlink signals

- Use pre-defined E-UTRA test models (E-TM) for downlink, reference measurement channels (RMC) for uplink

- Configure multi-carrier waveforms to simulate multi-user, multi-cell signals

- View CCDF, spectrum, time domain, and power envelope graphs to investigate the effects of power ramps, modulation formats, power changes, clipping, and other effects on device performance

- Generate slot length-based waveforms to help make a fast PA tests with a waveform sequence

- Dynamic TDD (eIMTA) for uplink and downlink

- TDD-FDD carrier aggregation for downlink

- VoLTE: TTI bundling with enhanced HARQ (ARB/Real-time) for uplink

- Multi-UE simulation update (Excel import/export) for uplink

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