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5G & Wireless Testing

Complete test solutions for next-generation wireless technologies

Overview

Comprehensive test and measurement solutions for 5G NR, LTE, Wi-Fi 6/7, and emerging wireless standards. From R&D to manufacturing, we provide the instruments and expertise to accelerate your wireless development.

Industry Challenges

1

Testing across wide frequency ranges up to mmWave bands

2

Complex modulation schemes and beamforming verification

3

High-speed data throughput measurement

4

OTA (Over-the-Air) testing requirements

5

Regulatory compliance and certification testing

Standards & Specifications

StandardDescriptionNotes
3GPP TS 38.101-1NR; UE radio transmission and reception (FR1)5G NR UE RF requirements for FR1
3GPP TS 38.101-2NR; UE radio transmission and reception (FR2)5G NR UE RF requirements for FR2 (mmWave)
3GPP TS 38.104NR; Base Station radio transmission and reception5G NR base station RF requirements
3GPP TS 38.141-1/2/3NR; BS conformance specification5G NR base station conformance (FR1/FR2)
3GPP TS 38.521-1/4NR; UE conformance specification5G NR UE conformance and OTA testing
ETSI EN 301 908-13Harmonised Standard for NREU market compliance for 5G NR
ETSI EN 301 489EMC standard for radio equipmentEMC requirements for radio equipment
MIIT/SRRCRadio Type ApprovalChina market radio type approval requirements

Core Principles

EVM (Error Vector Magnitude)

EVM (%) = (P_error / P_reference)^0.5 × 100% EVM (dB) = 10·log₁₀(P_error / P_reference) EVM quantifies the deviation between measured and ideal constellation points. 5G NR requirements vary by modulation order (e.g., QPSK: <17.5%, 256QAM: <3.5% per 3GPP TS 38.101). Ref: 3GPP TS 38.101-1 §6.4.2

ACLR (Adjacent Channel Leakage Ratio)

ACLR (dB) = 10·log₁₀(P_main / P_adjacent) Measures power leakage into adjacent channels. 5G NR typically requires ACLR > 45 dB for UE. Lower ACLR causes interference to neighboring channels. Ref: 3GPP TS 38.101-1 §6.5.2

Phase Noise

L(f) = 10·log₁₀(P_sideband / P_carrier) [dBc/Hz] Phase noise at offset f from carrier degrades EVM and limits demodulation of high-order modulation (256QAM/1024QAM). Integrated phase noise directly impacts constellation spreading. Ref: 3GPP TS 38.104 §9.6

S-Parameters & Matching

Return Loss (dB) = -20·log₁₀|S11| Insertion Loss (dB) = -20·log₁₀|S21| VSWR = (1 + |Γ|) / (1 - |Γ|) S11 (input reflection) indicates impedance match; S21 (forward transmission) indicates gain/loss. Poor matching causes power loss and signal distortion. Ref: IEEE Std 1785.1-2012

Typical Test Tasks

Modulation Quality

  • EVM MeasurementQuantify modulation accuracy and error distribution
  • ACPR/ACLRVerify adjacent-channel leakage
  • Constellation AnalysisVisualize modulation state and distortion

Signal Purity

  • Phase NoiseEvaluate LO stability and noise floor
  • Spurious EmissionsAssess harmonics and intermodulation
  • Emission MaskCheck in-band/out-of-band emissions

Link Characteristics

  • S-parametersS11/S21/S22/isolation
  • Gain FlatnessFrequency response consistency
  • Return LossInput/output matching assessment

Recommended Configuration

Vector Signal Generator

  • Frequency coverage for FR1 (recommended up to 7.125 GHz depending on target band plan)
  • Modulation bandwidth aligned with NR carrier (200 MHz+ recommended)
  • 5G NR waveform generation and playback support
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Spectrum / Signal Analyzer

  • Frequency range covering target bands
  • Analysis bandwidth aligned with NR carrier
  • 5G NR demodulation and phase-noise evaluation
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Vector Network Analyzer (VNA)

  • Frequency range covering target bands
  • Dynamic range meeting link measurement needs
  • 2/4 ports based on test requirements
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Accessories

  • Low-loss RF cables and adapters
  • VNA calibration kits (SOLT/TRL)
  • Power sensors and attenuators

Software

  • 5G NR waveform generation software
  • 5G NR demodulation analysis software
  • Automated test and reporting tools

Our Services

Solution Consultation

System-level configuration guidance aligned with requirements and budget

On-site Support

Assist with setup, calibration flow, and measurement procedures

Rental / Pre-owned Options

Reduce test costs for time-bound projects

Calibration Assistance

Coordinate third-party calibration and documentation

Multi-brand support: Keysight / R&S / TekEngineer-focused, scenario-based guidanceRental and pre-owned options available

Our Capabilities

Signal Analysis

Spectrum analyzers and signal analyzers with wide bandwidth and deep dynamic range for 5G NR signal analysis

Signal Generation

Vector signal generators for creating complex 5G, LTE, and Wi-Fi test signals

Network Analysis

Vector network analyzers for antenna, filter, and component characterization

Protocol Testing

Protocol analyzers and conformance test systems for standards compliance

Recommended Products

Signal

Signal & Spectrum Analyzers

Wide bandwidth for EVM/ACPR, phase noise, and spurious measurements

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Vector

Vector Signal Generators

5G NR waveform generation and modulation analysis support

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Vector

Vector Network Analyzers

S-parameter, gain flatness, and matching verification

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High-Bandwidth

High-Bandwidth Oscilloscopes

Supplementary signal integrity and timing analysis

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Key Applications

✓5G NR Sub-6 GHz and mmWave testing
✓Massive MIMO and beamforming verification
✓Wi-Fi 6/6E/7 development and compliance
✓IoT and LPWAN device testing
✓Satellite communication systems

Need a 5G RF test setup?

Our application engineers will propose a configuration based on your band, bandwidth, and budget.

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